diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/arm/include/asm/cp15.h linux-libre-5.1.6-gnu/arch/arm/include/asm/cp15.h
--- linux-libre-5.1.5-gnu/arch/arm/include/asm/cp15.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/arm/include/asm/cp15.h	2019-05-31 09:43:59.000000000 -0400
@@ -68,6 +68,8 @@
 #define BPIALL				__ACCESS_CP15(c7, 0, c5, 6)
 #define ICIALLU				__ACCESS_CP15(c7, 0, c5, 0)
 
+#define CNTVCT				__ACCESS_CP15_64(1, c14)
+
 extern unsigned long cr_alignment;	/* defined in entry-armv.S */
 
 static inline unsigned long get_cr(void)
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/arm/vdso/vgettimeofday.c linux-libre-5.1.6-gnu/arch/arm/vdso/vgettimeofday.c
--- linux-libre-5.1.5-gnu/arch/arm/vdso/vgettimeofday.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/arm/vdso/vgettimeofday.c	2019-05-31 09:43:59.000000000 -0400
@@ -18,9 +18,9 @@
 #include <linux/compiler.h>
 #include <linux/hrtimer.h>
 #include <linux/time.h>
-#include <asm/arch_timer.h>
 #include <asm/barrier.h>
 #include <asm/bug.h>
+#include <asm/cp15.h>
 #include <asm/page.h>
 #include <asm/unistd.h>
 #include <asm/vdso_datapage.h>
@@ -123,7 +123,8 @@ static notrace u64 get_ns(struct vdso_da
 	u64 cycle_now;
 	u64 nsec;
 
-	cycle_now = arch_counter_get_cntvct();
+	isb();
+	cycle_now = read_sysreg(CNTVCT);
 
 	cycle_delta = (cycle_now - vdata->cs_cycle_last) & vdata->cs_mask;
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/arm64/include/asm/cpucaps.h linux-libre-5.1.6-gnu/arch/arm64/include/asm/cpucaps.h
--- linux-libre-5.1.5-gnu/arch/arm64/include/asm/cpucaps.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/arm64/include/asm/cpucaps.h	2019-05-31 09:43:59.000000000 -0400
@@ -61,7 +61,8 @@
 #define ARM64_HAS_GENERIC_AUTH_ARCH		40
 #define ARM64_HAS_GENERIC_AUTH_IMP_DEF		41
 #define ARM64_HAS_IRQ_PRIO_MASKING		42
+#define ARM64_WORKAROUND_1463225		43
 
-#define ARM64_NCAPS				43
+#define ARM64_NCAPS				44
 
 #endif /* __ASM_CPUCAPS_H */
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/arm64/include/asm/futex.h linux-libre-5.1.6-gnu/arch/arm64/include/asm/futex.h
--- linux-libre-5.1.5-gnu/arch/arm64/include/asm/futex.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/arm64/include/asm/futex.h	2019-05-31 09:43:59.000000000 -0400
@@ -58,7 +58,7 @@ do {									\
 static inline int
 arch_futex_atomic_op_inuser(int op, int oparg, int *oval, u32 __user *_uaddr)
 {
-	int oldval = 0, ret, tmp;
+	int oldval, ret, tmp;
 	u32 __user *uaddr = __uaccess_mask_ptr(_uaddr);
 
 	pagefault_disable();
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/arm64/include/asm/pgtable.h linux-libre-5.1.6-gnu/arch/arm64/include/asm/pgtable.h
--- linux-libre-5.1.5-gnu/arch/arm64/include/asm/pgtable.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/arm64/include/asm/pgtable.h	2019-05-31 09:43:59.000000000 -0400
@@ -478,6 +478,8 @@ static inline phys_addr_t pmd_page_paddr
 	return __pmd_to_phys(pmd);
 }
 
+static inline void pte_unmap(pte_t *pte) { }
+
 /* Find an entry in the third-level page table. */
 #define pte_index(addr)		(((addr) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
 
@@ -486,7 +488,6 @@ static inline phys_addr_t pmd_page_paddr
 
 #define pte_offset_map(dir,addr)	pte_offset_kernel((dir), (addr))
 #define pte_offset_map_nested(dir,addr)	pte_offset_kernel((dir), (addr))
-#define pte_unmap(pte)			do { } while (0)
 #define pte_unmap_nested(pte)		do { } while (0)
 
 #define pte_set_fixmap(addr)		((pte_t *)set_fixmap_offset(FIX_PTE, addr))
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/arm64/include/asm/vdso_datapage.h linux-libre-5.1.6-gnu/arch/arm64/include/asm/vdso_datapage.h
--- linux-libre-5.1.5-gnu/arch/arm64/include/asm/vdso_datapage.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/arm64/include/asm/vdso_datapage.h	2019-05-31 09:43:59.000000000 -0400
@@ -38,6 +38,7 @@ struct vdso_data {
 	__u32 tz_minuteswest;	/* Whacky timezone stuff */
 	__u32 tz_dsttime;
 	__u32 use_syscall;
+	__u32 hrtimer_res;
 };
 
 #endif /* !__ASSEMBLY__ */
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/arm64/Kconfig linux-libre-5.1.6-gnu/arch/arm64/Kconfig
--- linux-libre-5.1.5-gnu/arch/arm64/Kconfig	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/arm64/Kconfig	2019-05-31 09:43:59.000000000 -0400
@@ -517,6 +517,24 @@ config ARM64_ERRATUM_1286807
 
 	  If unsure, say Y.
 
+config ARM64_ERRATUM_1463225
+	bool "Cortex-A76: Software Step might prevent interrupt recognition"
+	default y
+	help
+	  This option adds a workaround for Arm Cortex-A76 erratum 1463225.
+
+	  On the affected Cortex-A76 cores (r0p0 to r3p1), software stepping
+	  of a system call instruction (SVC) can prevent recognition of
+	  subsequent interrupts when software stepping is disabled in the
+	  exception handler of the system call and either kernel debugging
+	  is enabled or VHE is in use.
+
+	  Work around the erratum by triggering a dummy step exception
+	  when handling a system call from a task that is being stepped
+	  in a VHE configuration of the kernel.
+
+	  If unsure, say Y.
+
 config CAVIUM_ERRATUM_22375
 	bool "Cavium erratum 22375, 24313"
 	default y
@@ -1347,6 +1365,7 @@ config ARM64_MODULE_PLTS
 
 config ARM64_PSEUDO_NMI
 	bool "Support for NMI-like interrupts"
+	depends on BROKEN # 1556553607-46531-1-git-send-email-julien.thierry@arm.com
 	select CONFIG_ARM_GIC_V3
 	help
 	  Adds support for mimicking Non-Maskable Interrupts through the use of
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/arm64/kernel/asm-offsets.c linux-libre-5.1.6-gnu/arch/arm64/kernel/asm-offsets.c
--- linux-libre-5.1.5-gnu/arch/arm64/kernel/asm-offsets.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/arm64/kernel/asm-offsets.c	2019-05-31 09:43:59.000000000 -0400
@@ -94,7 +94,7 @@ int main(void)
   DEFINE(CLOCK_REALTIME,	CLOCK_REALTIME);
   DEFINE(CLOCK_MONOTONIC,	CLOCK_MONOTONIC);
   DEFINE(CLOCK_MONOTONIC_RAW,	CLOCK_MONOTONIC_RAW);
-  DEFINE(CLOCK_REALTIME_RES,	MONOTONIC_RES_NSEC);
+  DEFINE(CLOCK_REALTIME_RES,	offsetof(struct vdso_data, hrtimer_res));
   DEFINE(CLOCK_REALTIME_COARSE,	CLOCK_REALTIME_COARSE);
   DEFINE(CLOCK_MONOTONIC_COARSE,CLOCK_MONOTONIC_COARSE);
   DEFINE(CLOCK_COARSE_RES,	LOW_RES_NSEC);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/arm64/kernel/cpu_errata.c linux-libre-5.1.6-gnu/arch/arm64/kernel/cpu_errata.c
--- linux-libre-5.1.5-gnu/arch/arm64/kernel/cpu_errata.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/arm64/kernel/cpu_errata.c	2019-05-31 09:43:59.000000000 -0400
@@ -464,6 +464,22 @@ out_printmsg:
 }
 #endif	/* CONFIG_ARM64_SSBD */
 
+#ifdef CONFIG_ARM64_ERRATUM_1463225
+DEFINE_PER_CPU(int, __in_cortex_a76_erratum_1463225_wa);
+
+static bool
+has_cortex_a76_erratum_1463225(const struct arm64_cpu_capabilities *entry,
+			       int scope)
+{
+	u32 midr = read_cpuid_id();
+	/* Cortex-A76 r0p0 - r3p1 */
+	struct midr_range range = MIDR_RANGE(MIDR_CORTEX_A76, 0, 0, 3, 1);
+
+	WARN_ON(scope != SCOPE_LOCAL_CPU || preemptible());
+	return is_midr_in_range(midr, &range) && is_kernel_in_hyp_mode();
+}
+#endif
+
 static void __maybe_unused
 cpu_enable_cache_maint_trap(const struct arm64_cpu_capabilities *__unused)
 {
@@ -739,6 +755,14 @@ const struct arm64_cpu_capabilities arm6
 		ERRATA_MIDR_RANGE(MIDR_CORTEX_A76, 0, 0, 2, 0),
 	},
 #endif
+#ifdef CONFIG_ARM64_ERRATUM_1463225
+	{
+		.desc = "ARM erratum 1463225",
+		.capability = ARM64_WORKAROUND_1463225,
+		.type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM,
+		.matches = has_cortex_a76_erratum_1463225,
+	},
+#endif
 	{
 	}
 };
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/arm64/kernel/cpu_ops.c linux-libre-5.1.6-gnu/arch/arm64/kernel/cpu_ops.c
--- linux-libre-5.1.5-gnu/arch/arm64/kernel/cpu_ops.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/arm64/kernel/cpu_ops.c	2019-05-31 09:43:59.000000000 -0400
@@ -85,6 +85,7 @@ static const char *__init cpu_read_enabl
 				pr_err("%pOF: missing enable-method property\n",
 					dn);
 		}
+		of_node_put(dn);
 	} else {
 		enable_method = acpi_get_enable_method(cpu);
 		if (!enable_method) {
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/arm64/kernel/kaslr.c linux-libre-5.1.6-gnu/arch/arm64/kernel/kaslr.c
--- linux-libre-5.1.5-gnu/arch/arm64/kernel/kaslr.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/arm64/kernel/kaslr.c	2019-05-31 09:43:59.000000000 -0400
@@ -145,15 +145,15 @@ u64 __init kaslr_early_init(u64 dt_phys)
 
 	if (IS_ENABLED(CONFIG_RANDOMIZE_MODULE_REGION_FULL)) {
 		/*
-		 * Randomize the module region over a 4 GB window covering the
+		 * Randomize the module region over a 2 GB window covering the
 		 * kernel. This reduces the risk of modules leaking information
 		 * about the address of the kernel itself, but results in
 		 * branches between modules and the core kernel that are
 		 * resolved via PLTs. (Branches between modules will be
 		 * resolved normally.)
 		 */
-		module_range = SZ_4G - (u64)(_end - _stext);
-		module_alloc_base = max((u64)_end + offset - SZ_4G,
+		module_range = SZ_2G - (u64)(_end - _stext);
+		module_alloc_base = max((u64)_end + offset - SZ_2G,
 					(u64)MODULES_VADDR);
 	} else {
 		/*
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/arm64/kernel/module.c linux-libre-5.1.6-gnu/arch/arm64/kernel/module.c
--- linux-libre-5.1.5-gnu/arch/arm64/kernel/module.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/arm64/kernel/module.c	2019-05-31 09:43:59.000000000 -0400
@@ -56,7 +56,7 @@ void *module_alloc(unsigned long size)
 		 * can simply omit this fallback in that case.
 		 */
 		p = __vmalloc_node_range(size, MODULE_ALIGN, module_alloc_base,
-				module_alloc_base + SZ_4G, GFP_KERNEL,
+				module_alloc_base + SZ_2G, GFP_KERNEL,
 				PAGE_KERNEL_EXEC, 0, NUMA_NO_NODE,
 				__builtin_return_address(0));
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/arm64/kernel/syscall.c linux-libre-5.1.6-gnu/arch/arm64/kernel/syscall.c
--- linux-libre-5.1.5-gnu/arch/arm64/kernel/syscall.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/arm64/kernel/syscall.c	2019-05-31 09:43:59.000000000 -0400
@@ -8,6 +8,7 @@
 #include <linux/syscalls.h>
 
 #include <asm/daifflags.h>
+#include <asm/debug-monitors.h>
 #include <asm/fpsimd.h>
 #include <asm/syscall.h>
 #include <asm/thread_info.h>
@@ -60,6 +61,35 @@ static inline bool has_syscall_work(unsi
 int syscall_trace_enter(struct pt_regs *regs);
 void syscall_trace_exit(struct pt_regs *regs);
 
+#ifdef CONFIG_ARM64_ERRATUM_1463225
+DECLARE_PER_CPU(int, __in_cortex_a76_erratum_1463225_wa);
+
+static void cortex_a76_erratum_1463225_svc_handler(void)
+{
+	u32 reg, val;
+
+	if (!unlikely(test_thread_flag(TIF_SINGLESTEP)))
+		return;
+
+	if (!unlikely(this_cpu_has_cap(ARM64_WORKAROUND_1463225)))
+		return;
+
+	__this_cpu_write(__in_cortex_a76_erratum_1463225_wa, 1);
+	reg = read_sysreg(mdscr_el1);
+	val = reg | DBG_MDSCR_SS | DBG_MDSCR_KDE;
+	write_sysreg(val, mdscr_el1);
+	asm volatile("msr daifclr, #8");
+	isb();
+
+	/* We will have taken a single-step exception by this point */
+
+	write_sysreg(reg, mdscr_el1);
+	__this_cpu_write(__in_cortex_a76_erratum_1463225_wa, 0);
+}
+#else
+static void cortex_a76_erratum_1463225_svc_handler(void) { }
+#endif /* CONFIG_ARM64_ERRATUM_1463225 */
+
 static void el0_svc_common(struct pt_regs *regs, int scno, int sc_nr,
 			   const syscall_fn_t syscall_table[])
 {
@@ -68,6 +98,7 @@ static void el0_svc_common(struct pt_reg
 	regs->orig_x0 = regs->regs[0];
 	regs->syscallno = scno;
 
+	cortex_a76_erratum_1463225_svc_handler();
 	local_daif_restore(DAIF_PROCCTX);
 	user_exit();
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/arm64/kernel/vdso/gettimeofday.S linux-libre-5.1.6-gnu/arch/arm64/kernel/vdso/gettimeofday.S
--- linux-libre-5.1.5-gnu/arch/arm64/kernel/vdso/gettimeofday.S	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/arm64/kernel/vdso/gettimeofday.S	2019-05-31 09:43:59.000000000 -0400
@@ -308,13 +308,14 @@ ENTRY(__kernel_clock_getres)
 	ccmp	w0, #CLOCK_MONOTONIC_RAW, #0x4, ne
 	b.ne	1f
 
-	ldr	x2, 5f
+	adr	vdso_data, _vdso_data
+	ldr	w2, [vdso_data, #CLOCK_REALTIME_RES]
 	b	2f
 1:
 	cmp	w0, #CLOCK_REALTIME_COARSE
 	ccmp	w0, #CLOCK_MONOTONIC_COARSE, #0x4, ne
 	b.ne	4f
-	ldr	x2, 6f
+	ldr	x2, 5f
 2:
 	cbz	x1, 3f
 	stp	xzr, x2, [x1]
@@ -328,8 +329,6 @@ ENTRY(__kernel_clock_getres)
 	svc	#0
 	ret
 5:
-	.quad	CLOCK_REALTIME_RES
-6:
 	.quad	CLOCK_COARSE_RES
 	.cfi_endproc
 ENDPROC(__kernel_clock_getres)
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/arm64/kernel/vdso.c linux-libre-5.1.6-gnu/arch/arm64/kernel/vdso.c
--- linux-libre-5.1.5-gnu/arch/arm64/kernel/vdso.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/arm64/kernel/vdso.c	2019-05-31 09:43:59.000000000 -0400
@@ -232,6 +232,9 @@ void update_vsyscall(struct timekeeper *
 	vdso_data->wtm_clock_sec		= tk->wall_to_monotonic.tv_sec;
 	vdso_data->wtm_clock_nsec		= tk->wall_to_monotonic.tv_nsec;
 
+	/* Read without the seqlock held by clock_getres() */
+	WRITE_ONCE(vdso_data->hrtimer_res, hrtimer_resolution);
+
 	if (!use_syscall) {
 		/* tkr_mono.cycle_last == tkr_raw.cycle_last */
 		vdso_data->cs_cycle_last	= tk->tkr_mono.cycle_last;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/arm64/mm/dma-mapping.c linux-libre-5.1.6-gnu/arch/arm64/mm/dma-mapping.c
--- linux-libre-5.1.5-gnu/arch/arm64/mm/dma-mapping.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/arm64/mm/dma-mapping.c	2019-05-31 09:43:59.000000000 -0400
@@ -249,6 +249,11 @@ static int __iommu_mmap_attrs(struct dev
 	if (dma_mmap_from_dev_coherent(dev, vma, cpu_addr, size, &ret))
 		return ret;
 
+	if (!is_vmalloc_addr(cpu_addr)) {
+		unsigned long pfn = page_to_pfn(virt_to_page(cpu_addr));
+		return __swiotlb_mmap_pfn(vma, pfn, size);
+	}
+
 	if (attrs & DMA_ATTR_FORCE_CONTIGUOUS) {
 		/*
 		 * DMA_ATTR_FORCE_CONTIGUOUS allocations are always remapped,
@@ -272,6 +277,11 @@ static int __iommu_get_sgtable(struct de
 	unsigned int count = PAGE_ALIGN(size) >> PAGE_SHIFT;
 	struct vm_struct *area = find_vm_area(cpu_addr);
 
+	if (!is_vmalloc_addr(cpu_addr)) {
+		struct page *page = virt_to_page(cpu_addr);
+		return __swiotlb_get_sgtable_page(sgt, page, size);
+	}
+
 	if (attrs & DMA_ATTR_FORCE_CONTIGUOUS) {
 		/*
 		 * DMA_ATTR_FORCE_CONTIGUOUS allocations are always remapped,
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/arm64/mm/fault.c linux-libre-5.1.6-gnu/arch/arm64/mm/fault.c
--- linux-libre-5.1.5-gnu/arch/arm64/mm/fault.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/arm64/mm/fault.c	2019-05-31 09:43:59.000000000 -0400
@@ -810,14 +810,47 @@ void __init hook_debug_fault_code(int nr
 	debug_fault_info[nr].name	= name;
 }
 
+#ifdef CONFIG_ARM64_ERRATUM_1463225
+DECLARE_PER_CPU(int, __in_cortex_a76_erratum_1463225_wa);
+
+static int __exception
+cortex_a76_erratum_1463225_debug_handler(struct pt_regs *regs)
+{
+	if (user_mode(regs))
+		return 0;
+
+	if (!__this_cpu_read(__in_cortex_a76_erratum_1463225_wa))
+		return 0;
+
+	/*
+	 * We've taken a dummy step exception from the kernel to ensure
+	 * that interrupts are re-enabled on the syscall path. Return back
+	 * to cortex_a76_erratum_1463225_svc_handler() with debug exceptions
+	 * masked so that we can safely restore the mdscr and get on with
+	 * handling the syscall.
+	 */
+	regs->pstate |= PSR_D_BIT;
+	return 1;
+}
+#else
+static int __exception
+cortex_a76_erratum_1463225_debug_handler(struct pt_regs *regs)
+{
+	return 0;
+}
+#endif /* CONFIG_ARM64_ERRATUM_1463225 */
+
 asmlinkage int __exception do_debug_exception(unsigned long addr_if_watchpoint,
-					      unsigned int esr,
-					      struct pt_regs *regs)
+					       unsigned int esr,
+					       struct pt_regs *regs)
 {
 	const struct fault_info *inf = esr_to_debug_fault_info(esr);
 	unsigned long pc = instruction_pointer(regs);
 	int rv;
 
+	if (cortex_a76_erratum_1463225_debug_handler(regs))
+		return 0;
+
 	/*
 	 * Tell lockdep we disabled irqs in entry.S. Do nothing if they were
 	 * already disabled to preserve the last enabled/disabled addresses.
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/powerpc/boot/addnote.c linux-libre-5.1.6-gnu/arch/powerpc/boot/addnote.c
--- linux-libre-5.1.5-gnu/arch/powerpc/boot/addnote.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/powerpc/boot/addnote.c	2019-05-31 09:43:59.000000000 -0400
@@ -223,7 +223,11 @@ main(int ac, char **av)
 	PUT_16(E_PHNUM, np + 2);
 
 	/* write back */
-	lseek(fd, (long) 0, SEEK_SET);
+	i = lseek(fd, (long) 0, SEEK_SET);
+	if (i < 0) {
+		perror("lseek");
+		exit(1);
+	}
 	i = write(fd, buf, n);
 	if (i < 0) {
 		perror("write");
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/powerpc/kernel/head_64.S linux-libre-5.1.6-gnu/arch/powerpc/kernel/head_64.S
--- linux-libre-5.1.5-gnu/arch/powerpc/kernel/head_64.S	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/powerpc/kernel/head_64.S	2019-05-31 09:43:59.000000000 -0400
@@ -968,7 +968,9 @@ start_here_multiplatform:
 
 	/* Restore parameters passed from prom_init/kexec */
 	mr	r3,r31
-	bl	early_setup		/* also sets r13 and SPRG_PACA */
+	LOAD_REG_ADDR(r12, DOTSYM(early_setup))
+	mtctr	r12
+	bctrl		/* also sets r13 and SPRG_PACA */
 
 	LOAD_REG_ADDR(r3, start_here_common)
 	ld	r4,PACAKMSR(r13)
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/powerpc/kernel/watchdog.c linux-libre-5.1.6-gnu/arch/powerpc/kernel/watchdog.c
--- linux-libre-5.1.5-gnu/arch/powerpc/kernel/watchdog.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/powerpc/kernel/watchdog.c	2019-05-31 09:43:59.000000000 -0400
@@ -77,7 +77,7 @@ static u64 wd_smp_panic_timeout_tb __rea
 
 static u64 wd_timer_period_ms __read_mostly;  /* interval between heartbeat */
 
-static DEFINE_PER_CPU(struct timer_list, wd_timer);
+static DEFINE_PER_CPU(struct hrtimer, wd_hrtimer);
 static DEFINE_PER_CPU(u64, wd_timer_tb);
 
 /* SMP checker bits */
@@ -293,21 +293,21 @@ out:
 	nmi_exit();
 }
 
-static void wd_timer_reset(unsigned int cpu, struct timer_list *t)
-{
-	t->expires = jiffies + msecs_to_jiffies(wd_timer_period_ms);
-	if (wd_timer_period_ms > 1000)
-		t->expires = __round_jiffies_up(t->expires, cpu);
-	add_timer_on(t, cpu);
-}
-
-static void wd_timer_fn(struct timer_list *t)
+static enum hrtimer_restart watchdog_timer_fn(struct hrtimer *hrtimer)
 {
 	int cpu = smp_processor_id();
 
+	if (!(watchdog_enabled & NMI_WATCHDOG_ENABLED))
+		return HRTIMER_NORESTART;
+
+	if (!cpumask_test_cpu(cpu, &watchdog_cpumask))
+		return HRTIMER_NORESTART;
+
 	watchdog_timer_interrupt(cpu);
 
-	wd_timer_reset(cpu, t);
+	hrtimer_forward_now(hrtimer, ms_to_ktime(wd_timer_period_ms));
+
+	return HRTIMER_RESTART;
 }
 
 void arch_touch_nmi_watchdog(void)
@@ -323,37 +323,22 @@ void arch_touch_nmi_watchdog(void)
 }
 EXPORT_SYMBOL(arch_touch_nmi_watchdog);
 
-static void start_watchdog_timer_on(unsigned int cpu)
-{
-	struct timer_list *t = per_cpu_ptr(&wd_timer, cpu);
-
-	per_cpu(wd_timer_tb, cpu) = get_tb();
-
-	timer_setup(t, wd_timer_fn, TIMER_PINNED);
-	wd_timer_reset(cpu, t);
-}
-
-static void stop_watchdog_timer_on(unsigned int cpu)
-{
-	struct timer_list *t = per_cpu_ptr(&wd_timer, cpu);
-
-	del_timer_sync(t);
-}
-
-static int start_wd_on_cpu(unsigned int cpu)
+static void start_watchdog(void *arg)
 {
+	struct hrtimer *hrtimer = this_cpu_ptr(&wd_hrtimer);
+	int cpu = smp_processor_id();
 	unsigned long flags;
 
 	if (cpumask_test_cpu(cpu, &wd_cpus_enabled)) {
 		WARN_ON(1);
-		return 0;
+		return;
 	}
 
 	if (!(watchdog_enabled & NMI_WATCHDOG_ENABLED))
-		return 0;
+		return;
 
 	if (!cpumask_test_cpu(cpu, &watchdog_cpumask))
-		return 0;
+		return;
 
 	wd_smp_lock(&flags);
 	cpumask_set_cpu(cpu, &wd_cpus_enabled);
@@ -363,27 +348,40 @@ static int start_wd_on_cpu(unsigned int
 	}
 	wd_smp_unlock(&flags);
 
-	start_watchdog_timer_on(cpu);
+	*this_cpu_ptr(&wd_timer_tb) = get_tb();
 
-	return 0;
+	hrtimer_init(hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
+	hrtimer->function = watchdog_timer_fn;
+	hrtimer_start(hrtimer, ms_to_ktime(wd_timer_period_ms),
+		      HRTIMER_MODE_REL_PINNED);
 }
 
-static int stop_wd_on_cpu(unsigned int cpu)
+static int start_watchdog_on_cpu(unsigned int cpu)
+{
+	return smp_call_function_single(cpu, start_watchdog, NULL, true);
+}
+
+static void stop_watchdog(void *arg)
 {
+	struct hrtimer *hrtimer = this_cpu_ptr(&wd_hrtimer);
+	int cpu = smp_processor_id();
 	unsigned long flags;
 
 	if (!cpumask_test_cpu(cpu, &wd_cpus_enabled))
-		return 0; /* Can happen in CPU unplug case */
+		return; /* Can happen in CPU unplug case */
 
-	stop_watchdog_timer_on(cpu);
+	hrtimer_cancel(hrtimer);
 
 	wd_smp_lock(&flags);
 	cpumask_clear_cpu(cpu, &wd_cpus_enabled);
 	wd_smp_unlock(&flags);
 
 	wd_smp_clear_cpu_pending(cpu, get_tb());
+}
 
-	return 0;
+static int stop_watchdog_on_cpu(unsigned int cpu)
+{
+	return smp_call_function_single(cpu, stop_watchdog, NULL, true);
 }
 
 static void watchdog_calc_timeouts(void)
@@ -402,7 +400,7 @@ void watchdog_nmi_stop(void)
 	int cpu;
 
 	for_each_cpu(cpu, &wd_cpus_enabled)
-		stop_wd_on_cpu(cpu);
+		stop_watchdog_on_cpu(cpu);
 }
 
 void watchdog_nmi_start(void)
@@ -411,7 +409,7 @@ void watchdog_nmi_start(void)
 
 	watchdog_calc_timeouts();
 	for_each_cpu_and(cpu, cpu_online_mask, &watchdog_cpumask)
-		start_wd_on_cpu(cpu);
+		start_watchdog_on_cpu(cpu);
 }
 
 /*
@@ -423,7 +421,8 @@ int __init watchdog_nmi_probe(void)
 
 	err = cpuhp_setup_state_nocalls(CPUHP_AP_ONLINE_DYN,
 					"powerpc/watchdog:online",
-					start_wd_on_cpu, stop_wd_on_cpu);
+					start_watchdog_on_cpu,
+					stop_watchdog_on_cpu);
 	if (err < 0) {
 		pr_warn("could not be initialized");
 		return err;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/powerpc/mm/numa.c linux-libre-5.1.6-gnu/arch/powerpc/mm/numa.c
--- linux-libre-5.1.5-gnu/arch/powerpc/mm/numa.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/powerpc/mm/numa.c	2019-05-31 09:43:59.000000000 -0400
@@ -1498,6 +1498,9 @@ int start_topology_update(void)
 {
 	int rc = 0;
 
+	if (!topology_updates_enabled)
+		return 0;
+
 	if (firmware_has_feature(FW_FEATURE_PRRN)) {
 		if (!prrn_enabled) {
 			prrn_enabled = 1;
@@ -1531,6 +1534,9 @@ int stop_topology_update(void)
 {
 	int rc = 0;
 
+	if (!topology_updates_enabled)
+		return 0;
+
 	if (prrn_enabled) {
 		prrn_enabled = 0;
 #ifdef CONFIG_SMP
@@ -1588,11 +1594,13 @@ static ssize_t topology_write(struct fil
 
 	kbuf[read_len] = '\0';
 
-	if (!strncmp(kbuf, "on", 2))
+	if (!strncmp(kbuf, "on", 2)) {
+		topology_updates_enabled = true;
 		start_topology_update();
-	else if (!strncmp(kbuf, "off", 3))
+	} else if (!strncmp(kbuf, "off", 3)) {
 		stop_topology_update();
-	else
+		topology_updates_enabled = false;
+	} else
 		return -EINVAL;
 
 	return count;
@@ -1607,9 +1615,7 @@ static const struct file_operations topo
 
 static int topology_update_init(void)
 {
-	/* Do not poll for changes if disabled at boot */
-	if (topology_updates_enabled)
-		start_topology_update();
+	start_topology_update();
 
 	if (vphn_enabled)
 		topology_schedule_update();
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/powerpc/perf/imc-pmu.c linux-libre-5.1.6-gnu/arch/powerpc/perf/imc-pmu.c
--- linux-libre-5.1.5-gnu/arch/powerpc/perf/imc-pmu.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/powerpc/perf/imc-pmu.c	2019-05-31 09:43:59.000000000 -0400
@@ -487,6 +487,11 @@ static int nest_imc_event_init(struct pe
 	 * Get the base memory addresss for this cpu.
 	 */
 	chip_id = cpu_to_chip_id(event->cpu);
+
+	/* Return, if chip_id is not valid */
+	if (chip_id < 0)
+		return -ENODEV;
+
 	pcni = pmu->mem_info;
 	do {
 		if (pcni->id == chip_id) {
@@ -494,7 +499,7 @@ static int nest_imc_event_init(struct pe
 			break;
 		}
 		pcni++;
-	} while (pcni);
+	} while (pcni->vbase != 0);
 
 	if (!flag)
 		return -ENODEV;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/powerpc/platforms/powernv/opal-imc.c linux-libre-5.1.6-gnu/arch/powerpc/platforms/powernv/opal-imc.c
--- linux-libre-5.1.5-gnu/arch/powerpc/platforms/powernv/opal-imc.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/powerpc/platforms/powernv/opal-imc.c	2019-05-31 09:43:59.000000000 -0400
@@ -127,7 +127,7 @@ static int imc_get_mem_addr_nest(struct
 								nr_chips))
 		goto error;
 
-	pmu_ptr->mem_info = kcalloc(nr_chips, sizeof(*pmu_ptr->mem_info),
+	pmu_ptr->mem_info = kcalloc(nr_chips + 1, sizeof(*pmu_ptr->mem_info),
 				    GFP_KERNEL);
 	if (!pmu_ptr->mem_info)
 		goto error;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/s390/kernel/kexec_elf.c linux-libre-5.1.6-gnu/arch/s390/kernel/kexec_elf.c
--- linux-libre-5.1.5-gnu/arch/s390/kernel/kexec_elf.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/s390/kernel/kexec_elf.c	2019-05-31 09:43:59.000000000 -0400
@@ -19,10 +19,15 @@ static int kexec_file_add_elf_kernel(str
 	struct kexec_buf buf;
 	const Elf_Ehdr *ehdr;
 	const Elf_Phdr *phdr;
+	Elf_Addr entry;
 	int i, ret;
 
 	ehdr = (Elf_Ehdr *)kernel;
 	buf.image = image;
+	if (image->type == KEXEC_TYPE_CRASH)
+		entry = STARTUP_KDUMP_OFFSET;
+	else
+		entry = ehdr->e_entry;
 
 	phdr = (void *)ehdr + ehdr->e_phoff;
 	for (i = 0; i < ehdr->e_phnum; i++, phdr++) {
@@ -35,7 +40,7 @@ static int kexec_file_add_elf_kernel(str
 		buf.mem = ALIGN(phdr->p_paddr, phdr->p_align);
 		buf.memsz = phdr->p_memsz;
 
-		if (phdr->p_paddr == 0) {
+		if (entry - phdr->p_paddr < phdr->p_memsz) {
 			data->kernel_buf = buf.buffer;
 			data->memsz += STARTUP_NORMAL_OFFSET;
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/s390/mm/pgtable.c linux-libre-5.1.6-gnu/arch/s390/mm/pgtable.c
--- linux-libre-5.1.5-gnu/arch/s390/mm/pgtable.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/s390/mm/pgtable.c	2019-05-31 09:43:59.000000000 -0400
@@ -410,6 +410,7 @@ static inline pmd_t pmdp_flush_lazy(stru
 	return old;
 }
 
+#ifdef CONFIG_PGSTE
 static pmd_t *pmd_alloc_map(struct mm_struct *mm, unsigned long addr)
 {
 	pgd_t *pgd;
@@ -427,6 +428,7 @@ static pmd_t *pmd_alloc_map(struct mm_st
 	pmd = pmd_alloc(mm, pud, addr);
 	return pmd;
 }
+#endif
 
 pmd_t pmdp_xchg_direct(struct mm_struct *mm, unsigned long addr,
 		       pmd_t *pmdp, pmd_t new)
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/sh/include/cpu-sh4/cpu/sh7786.h linux-libre-5.1.6-gnu/arch/sh/include/cpu-sh4/cpu/sh7786.h
--- linux-libre-5.1.5-gnu/arch/sh/include/cpu-sh4/cpu/sh7786.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/sh/include/cpu-sh4/cpu/sh7786.h	2019-05-31 09:43:59.000000000 -0400
@@ -132,7 +132,7 @@ enum {
 
 static inline u32 sh7786_mm_sel(void)
 {
-	return __raw_readl(0xFC400020) & 0x7;
+	return __raw_readl((const volatile void __iomem *)0xFC400020) & 0x7;
 }
 
 #endif /* __CPU_SH7786_H__ */
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/x86/events/intel/cstate.c linux-libre-5.1.6-gnu/arch/x86/events/intel/cstate.c
--- linux-libre-5.1.5-gnu/arch/x86/events/intel/cstate.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/x86/events/intel/cstate.c	2019-05-31 09:43:59.000000000 -0400
@@ -578,6 +578,8 @@ static const struct x86_cpu_id intel_cst
 	X86_CSTATES_MODEL(INTEL_FAM6_ATOM_GOLDMONT_X, glm_cstates),
 
 	X86_CSTATES_MODEL(INTEL_FAM6_ATOM_GOLDMONT_PLUS, glm_cstates),
+
+	X86_CSTATES_MODEL(INTEL_FAM6_ICELAKE_MOBILE, snb_cstates),
 	{ },
 };
 MODULE_DEVICE_TABLE(x86cpu, intel_cstates_match);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/x86/events/intel/rapl.c linux-libre-5.1.6-gnu/arch/x86/events/intel/rapl.c
--- linux-libre-5.1.5-gnu/arch/x86/events/intel/rapl.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/x86/events/intel/rapl.c	2019-05-31 09:43:59.000000000 -0400
@@ -775,6 +775,8 @@ static const struct x86_cpu_id rapl_cpu_
 	X86_RAPL_MODEL_MATCH(INTEL_FAM6_ATOM_GOLDMONT_X, hsw_rapl_init),
 
 	X86_RAPL_MODEL_MATCH(INTEL_FAM6_ATOM_GOLDMONT_PLUS, hsw_rapl_init),
+
+	X86_RAPL_MODEL_MATCH(INTEL_FAM6_ICELAKE_MOBILE,  skl_rapl_init),
 	{},
 };
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/x86/events/msr.c linux-libre-5.1.6-gnu/arch/x86/events/msr.c
--- linux-libre-5.1.5-gnu/arch/x86/events/msr.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/x86/events/msr.c	2019-05-31 09:43:59.000000000 -0400
@@ -89,6 +89,7 @@ static bool test_intel(int idx)
 	case INTEL_FAM6_SKYLAKE_X:
 	case INTEL_FAM6_KABYLAKE_MOBILE:
 	case INTEL_FAM6_KABYLAKE_DESKTOP:
+	case INTEL_FAM6_ICELAKE_MOBILE:
 		if (idx == PERF_MSR_SMI || idx == PERF_MSR_PPERF)
 			return true;
 		break;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/x86/ia32/ia32_signal.c linux-libre-5.1.6-gnu/arch/x86/ia32/ia32_signal.c
--- linux-libre-5.1.5-gnu/arch/x86/ia32/ia32_signal.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/x86/ia32/ia32_signal.c	2019-05-31 09:43:59.000000000 -0400
@@ -61,9 +61,8 @@
 } while (0)
 
 #define RELOAD_SEG(seg)		{		\
-	unsigned int pre = GET_SEG(seg);	\
+	unsigned int pre = (seg) | 3;		\
 	unsigned int cur = get_user_seg(seg);	\
-	pre |= 3;				\
 	if (pre != cur)				\
 		set_user_seg(seg, pre);		\
 }
@@ -72,6 +71,7 @@ static int ia32_restore_sigcontext(struc
 				   struct sigcontext_32 __user *sc)
 {
 	unsigned int tmpflags, err = 0;
+	u16 gs, fs, es, ds;
 	void __user *buf;
 	u32 tmp;
 
@@ -79,16 +79,10 @@ static int ia32_restore_sigcontext(struc
 	current->restart_block.fn = do_no_restart_syscall;
 
 	get_user_try {
-		/*
-		 * Reload fs and gs if they have changed in the signal
-		 * handler.  This does not handle long fs/gs base changes in
-		 * the handler, but does not clobber them at least in the
-		 * normal case.
-		 */
-		RELOAD_SEG(gs);
-		RELOAD_SEG(fs);
-		RELOAD_SEG(ds);
-		RELOAD_SEG(es);
+		gs = GET_SEG(gs);
+		fs = GET_SEG(fs);
+		ds = GET_SEG(ds);
+		es = GET_SEG(es);
 
 		COPY(di); COPY(si); COPY(bp); COPY(sp); COPY(bx);
 		COPY(dx); COPY(cx); COPY(ip); COPY(ax);
@@ -106,6 +100,17 @@ static int ia32_restore_sigcontext(struc
 		buf = compat_ptr(tmp);
 	} get_user_catch(err);
 
+	/*
+	 * Reload fs and gs if they have changed in the signal
+	 * handler.  This does not handle long fs/gs base changes in
+	 * the handler, but does not clobber them at least in the
+	 * normal case.
+	 */
+	RELOAD_SEG(gs);
+	RELOAD_SEG(fs);
+	RELOAD_SEG(ds);
+	RELOAD_SEG(es);
+
 	err |= fpu__restore_sig(buf, 1);
 
 	force_iret();
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/x86/include/asm/text-patching.h linux-libre-5.1.6-gnu/arch/x86/include/asm/text-patching.h
--- linux-libre-5.1.5-gnu/arch/x86/include/asm/text-patching.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/x86/include/asm/text-patching.h	2019-05-31 09:43:59.000000000 -0400
@@ -39,6 +39,7 @@ extern int poke_int3_handler(struct pt_r
 extern void *text_poke_bp(void *addr, const void *opcode, size_t len, void *handler);
 extern int after_bootmem;
 
+#ifndef CONFIG_UML_X86
 static inline void int3_emulate_jmp(struct pt_regs *regs, unsigned long ip)
 {
 	regs->ip = ip;
@@ -65,6 +66,7 @@ static inline void int3_emulate_call(str
 	int3_emulate_push(regs, regs->ip - INT3_INSN_SIZE + CALL_INSN_SIZE);
 	int3_emulate_jmp(regs, func);
 }
-#endif
+#endif /* CONFIG_X86_64 */
+#endif /* !CONFIG_UML_X86 */
 
 #endif /* _ASM_X86_TEXT_PATCHING_H */
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/x86/include/asm/uaccess.h linux-libre-5.1.6-gnu/arch/x86/include/asm/uaccess.h
--- linux-libre-5.1.5-gnu/arch/x86/include/asm/uaccess.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/x86/include/asm/uaccess.h	2019-05-31 09:43:59.000000000 -0400
@@ -427,10 +427,11 @@ do {									\
 ({								\
 	__label__ __pu_label;					\
 	int __pu_err = -EFAULT;					\
-	__typeof__(*(ptr)) __pu_val;				\
-	__pu_val = x;						\
+	__typeof__(*(ptr)) __pu_val = (x);			\
+	__typeof__(ptr) __pu_ptr = (ptr);			\
+	__typeof__(size) __pu_size = (size);			\
 	__uaccess_begin();					\
-	__put_user_size(__pu_val, (ptr), (size), __pu_label);	\
+	__put_user_size(__pu_val, __pu_ptr, __pu_size, __pu_label);	\
 	__pu_err = 0;						\
 __pu_label:							\
 	__uaccess_end();					\
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/x86/kernel/alternative.c linux-libre-5.1.6-gnu/arch/x86/kernel/alternative.c
--- linux-libre-5.1.5-gnu/arch/x86/kernel/alternative.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/x86/kernel/alternative.c	2019-05-31 09:43:59.000000000 -0400
@@ -667,15 +667,29 @@ void __init alternative_instructions(voi
  * handlers seeing an inconsistent instruction while you patch.
  */
 void *__init_or_module text_poke_early(void *addr, const void *opcode,
-					      size_t len)
+				       size_t len)
 {
 	unsigned long flags;
-	local_irq_save(flags);
-	memcpy(addr, opcode, len);
-	local_irq_restore(flags);
-	sync_core();
-	/* Could also do a CLFLUSH here to speed up CPU recovery; but
-	   that causes hangs on some VIA CPUs. */
+
+	if (boot_cpu_has(X86_FEATURE_NX) &&
+	    is_module_text_address((unsigned long)addr)) {
+		/*
+		 * Modules text is marked initially as non-executable, so the
+		 * code cannot be running and speculative code-fetches are
+		 * prevented. Just change the code.
+		 */
+		memcpy(addr, opcode, len);
+	} else {
+		local_irq_save(flags);
+		memcpy(addr, opcode, len);
+		local_irq_restore(flags);
+		sync_core();
+
+		/*
+		 * Could also do a CLFLUSH here to speed up CPU recovery; but
+		 * that causes hangs on some VIA CPUs.
+		 */
+	}
 	return addr;
 }
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/x86/kernel/cpu/hygon.c linux-libre-5.1.6-gnu/arch/x86/kernel/cpu/hygon.c
--- linux-libre-5.1.5-gnu/arch/x86/kernel/cpu/hygon.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/x86/kernel/cpu/hygon.c	2019-05-31 09:43:59.000000000 -0400
@@ -19,6 +19,8 @@
 
 #include "cpu.h"
 
+#define APICID_SOCKET_ID_BIT 6
+
 /*
  * nodes_per_socket: Stores the number of nodes per socket.
  * Refer to CPUID Fn8000_001E_ECX Node Identifiers[10:8]
@@ -87,6 +89,9 @@ static void hygon_get_topology(struct cp
 		if (!err)
 			c->x86_coreid_bits = get_count_order(c->x86_max_cores);
 
+		/* Socket ID is ApicId[6] for these processors. */
+		c->phys_proc_id = c->apicid >> APICID_SOCKET_ID_BIT;
+
 		cacheinfo_hygon_init_llc_id(c, cpu, node_id);
 	} else if (cpu_has(c, X86_FEATURE_NODEID_MSR)) {
 		u64 value;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/x86/kernel/cpu/mce/core.c linux-libre-5.1.6-gnu/arch/x86/kernel/cpu/mce/core.c
--- linux-libre-5.1.5-gnu/arch/x86/kernel/cpu/mce/core.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/x86/kernel/cpu/mce/core.c	2019-05-31 09:43:59.000000000 -0400
@@ -712,19 +712,49 @@ bool machine_check_poll(enum mcp_flags f
 
 		barrier();
 		m.status = mce_rdmsrl(msr_ops.status(i));
+
+		/* If this entry is not valid, ignore it */
 		if (!(m.status & MCI_STATUS_VAL))
 			continue;
 
 		/*
-		 * Uncorrected or signalled events are handled by the exception
-		 * handler when it is enabled, so don't process those here.
-		 *
-		 * TBD do the same check for MCI_STATUS_EN here?
+		 * If we are logging everything (at CPU online) or this
+		 * is a corrected error, then we must log it.
 		 */
-		if (!(flags & MCP_UC) &&
-		    (m.status & (mca_cfg.ser ? MCI_STATUS_S : MCI_STATUS_UC)))
-			continue;
+		if ((flags & MCP_UC) || !(m.status & MCI_STATUS_UC))
+			goto log_it;
+
+		/*
+		 * Newer Intel systems that support software error
+		 * recovery need to make additional checks. Other
+		 * CPUs should skip over uncorrected errors, but log
+		 * everything else.
+		 */
+		if (!mca_cfg.ser) {
+			if (m.status & MCI_STATUS_UC)
+				continue;
+			goto log_it;
+		}
+
+		/* Log "not enabled" (speculative) errors */
+		if (!(m.status & MCI_STATUS_EN))
+			goto log_it;
+
+		/*
+		 * Log UCNA (SDM: 15.6.3 "UCR Error Classification")
+		 * UC == 1 && PCC == 0 && S == 0
+		 */
+		if (!(m.status & MCI_STATUS_PCC) && !(m.status & MCI_STATUS_S))
+			goto log_it;
 
+		/*
+		 * Skip anything else. Presumption is that our read of this
+		 * bank is racing with a machine check. Leave the log alone
+		 * for do_machine_check() to deal with it.
+		 */
+		continue;
+
+log_it:
 		error_seen = true;
 
 		mce_read_aux(&m, i);
@@ -1451,13 +1481,12 @@ EXPORT_SYMBOL_GPL(mce_notify_irq);
 static int __mcheck_cpu_mce_banks_init(void)
 {
 	int i;
-	u8 num_banks = mca_cfg.banks;
 
-	mce_banks = kcalloc(num_banks, sizeof(struct mce_bank), GFP_KERNEL);
+	mce_banks = kcalloc(MAX_NR_BANKS, sizeof(struct mce_bank), GFP_KERNEL);
 	if (!mce_banks)
 		return -ENOMEM;
 
-	for (i = 0; i < num_banks; i++) {
+	for (i = 0; i < MAX_NR_BANKS; i++) {
 		struct mce_bank *b = &mce_banks[i];
 
 		b->ctl = -1ULL;
@@ -1471,28 +1500,19 @@ static int __mcheck_cpu_mce_banks_init(v
  */
 static int __mcheck_cpu_cap_init(void)
 {
-	unsigned b;
 	u64 cap;
+	u8 b;
 
 	rdmsrl(MSR_IA32_MCG_CAP, cap);
 
 	b = cap & MCG_BANKCNT_MASK;
-	if (!mca_cfg.banks)
-		pr_info("CPU supports %d MCE banks\n", b);
-
-	if (b > MAX_NR_BANKS) {
-		pr_warn("Using only %u machine check banks out of %u\n",
-			MAX_NR_BANKS, b);
+	if (WARN_ON_ONCE(b > MAX_NR_BANKS))
 		b = MAX_NR_BANKS;
-	}
 
-	/* Don't support asymmetric configurations today */
-	WARN_ON(mca_cfg.banks != 0 && b != mca_cfg.banks);
-	mca_cfg.banks = b;
+	mca_cfg.banks = max(mca_cfg.banks, b);
 
 	if (!mce_banks) {
 		int err = __mcheck_cpu_mce_banks_init();
-
 		if (err)
 			return err;
 	}
@@ -2459,6 +2479,8 @@ EXPORT_SYMBOL_GPL(mcsafe_key);
 
 static int __init mcheck_late_init(void)
 {
+	pr_info("Using %d MCE banks\n", mca_cfg.banks);
+
 	if (mca_cfg.recovery)
 		static_branch_inc(&mcsafe_key);
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/x86/kernel/cpu/mce/inject.c linux-libre-5.1.6-gnu/arch/x86/kernel/cpu/mce/inject.c
--- linux-libre-5.1.5-gnu/arch/x86/kernel/cpu/mce/inject.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/x86/kernel/cpu/mce/inject.c	2019-05-31 09:43:59.000000000 -0400
@@ -46,8 +46,6 @@
 static struct mce i_mce;
 static struct dentry *dfs_inj;
 
-static u8 n_banks;
-
 #define MAX_FLAG_OPT_SIZE	4
 #define NBCFG			0x44
 
@@ -570,9 +568,15 @@ err:
 static int inj_bank_set(void *data, u64 val)
 {
 	struct mce *m = (struct mce *)data;
+	u8 n_banks;
+	u64 cap;
+
+	/* Get bank count on target CPU so we can handle non-uniform values. */
+	rdmsrl_on_cpu(m->extcpu, MSR_IA32_MCG_CAP, &cap);
+	n_banks = cap & MCG_BANKCNT_MASK;
 
 	if (val >= n_banks) {
-		pr_err("Non-existent MCE bank: %llu\n", val);
+		pr_err("MCA bank %llu non-existent on CPU%d\n", val, m->extcpu);
 		return -EINVAL;
 	}
 
@@ -665,10 +669,6 @@ static struct dfs_node {
 static int __init debugfs_init(void)
 {
 	unsigned int i;
-	u64 cap;
-
-	rdmsrl(MSR_IA32_MCG_CAP, cap);
-	n_banks = cap & MCG_BANKCNT_MASK;
 
 	dfs_inj = debugfs_create_dir("mce-inject", NULL);
 	if (!dfs_inj)
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/x86/kernel/cpu/microcode/core.c linux-libre-5.1.6-gnu/arch/x86/kernel/cpu/microcode/core.c
--- linux-libre-5.1.5-gnu/arch/x86/kernel/cpu/microcode/core.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/x86/kernel/cpu/microcode/core.c	2019-05-31 09:43:59.000000000 -0400
@@ -418,8 +418,9 @@ static int do_microcode_update(const voi
 		if (ustate == UCODE_ERROR) {
 			error = -1;
 			break;
-		} else if (ustate == UCODE_OK)
+		} else if (ustate == UCODE_NEW) {
 			apply_microcode_on_target(cpu);
+		}
 	}
 
 	return error;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/x86/kernel/ftrace.c linux-libre-5.1.6-gnu/arch/x86/kernel/ftrace.c
--- linux-libre-5.1.5-gnu/arch/x86/kernel/ftrace.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/x86/kernel/ftrace.c	2019-05-31 09:43:59.000000000 -0400
@@ -749,6 +749,7 @@ create_trampoline(struct ftrace_ops *ops
 	unsigned long end_offset;
 	unsigned long op_offset;
 	unsigned long offset;
+	unsigned long npages;
 	unsigned long size;
 	unsigned long retq;
 	unsigned long *ptr;
@@ -781,6 +782,7 @@ create_trampoline(struct ftrace_ops *ops
 		return 0;
 
 	*tramp_size = size + RET_SIZE + sizeof(void *);
+	npages = DIV_ROUND_UP(*tramp_size, PAGE_SIZE);
 
 	/* Copy ftrace_caller onto the trampoline memory */
 	ret = probe_kernel_read(trampoline, (void *)start_offset, size);
@@ -825,6 +827,12 @@ create_trampoline(struct ftrace_ops *ops
 	/* ALLOC_TRAMP flags lets us know we created it */
 	ops->flags |= FTRACE_OPS_FL_ALLOC_TRAMP;
 
+	/*
+	 * Module allocation needs to be completed by making the page
+	 * executable. The page is still writable, which is a security hazard,
+	 * but anyhow ftrace breaks W^X completely.
+	 */
+	set_memory_x((unsigned long)trampoline, npages);
 	return (unsigned long)trampoline;
 fail:
 	tramp_free(trampoline, *tramp_size);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/x86/kernel/irq_64.c linux-libre-5.1.6-gnu/arch/x86/kernel/irq_64.c
--- linux-libre-5.1.5-gnu/arch/x86/kernel/irq_64.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/x86/kernel/irq_64.c	2019-05-31 09:43:59.000000000 -0400
@@ -26,9 +26,18 @@ int sysctl_panic_on_stackoverflow;
 /*
  * Probabilistic stack overflow check:
  *
- * Only check the stack in process context, because everything else
- * runs on the big interrupt stacks. Checking reliably is too expensive,
- * so we just check from interrupts.
+ * Regular device interrupts can enter on the following stacks:
+ *
+ * - User stack
+ *
+ * - Kernel task stack
+ *
+ * - Interrupt stack if a device driver reenables interrupts
+ *   which should only happen in really old drivers.
+ *
+ * - Debug IST stack
+ *
+ * All other contexts are invalid.
  */
 static inline void stack_overflow_check(struct pt_regs *regs)
 {
@@ -53,8 +62,8 @@ static inline void stack_overflow_check(
 		return;
 
 	oist = this_cpu_ptr(&orig_ist);
-	estack_top = (u64)oist->ist[0] - EXCEPTION_STKSZ + STACK_TOP_MARGIN;
-	estack_bottom = (u64)oist->ist[N_EXCEPTION_STACKS - 1];
+	estack_bottom = (u64)oist->ist[DEBUG_STACK];
+	estack_top = estack_bottom - DEBUG_STKSZ + STACK_TOP_MARGIN;
 	if (regs->sp >= estack_top && regs->sp <= estack_bottom)
 		return;
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/x86/kernel/module.c linux-libre-5.1.6-gnu/arch/x86/kernel/module.c
--- linux-libre-5.1.5-gnu/arch/x86/kernel/module.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/x86/kernel/module.c	2019-05-31 09:43:59.000000000 -0400
@@ -87,7 +87,7 @@ void *module_alloc(unsigned long size)
 	p = __vmalloc_node_range(size, MODULE_ALIGN,
 				    MODULES_VADDR + get_module_load_offset(),
 				    MODULES_END, GFP_KERNEL,
-				    PAGE_KERNEL_EXEC, 0, NUMA_NO_NODE,
+				    PAGE_KERNEL, 0, NUMA_NO_NODE,
 				    __builtin_return_address(0));
 	if (p && (kasan_module_alloc(p, size) < 0)) {
 		vfree(p);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/x86/kernel/signal.c linux-libre-5.1.6-gnu/arch/x86/kernel/signal.c
--- linux-libre-5.1.5-gnu/arch/x86/kernel/signal.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/x86/kernel/signal.c	2019-05-31 09:43:59.000000000 -0400
@@ -132,16 +132,6 @@ static int restore_sigcontext(struct pt_
 		COPY_SEG_CPL3(cs);
 		COPY_SEG_CPL3(ss);
 
-#ifdef CONFIG_X86_64
-		/*
-		 * Fix up SS if needed for the benefit of old DOSEMU and
-		 * CRIU.
-		 */
-		if (unlikely(!(uc_flags & UC_STRICT_RESTORE_SS) &&
-			     user_64bit_mode(regs)))
-			force_valid_ss(regs);
-#endif
-
 		get_user_ex(tmpflags, &sc->flags);
 		regs->flags = (regs->flags & ~FIX_EFLAGS) | (tmpflags & FIX_EFLAGS);
 		regs->orig_ax = -1;		/* disable syscall checks */
@@ -150,6 +140,15 @@ static int restore_sigcontext(struct pt_
 		buf = (void __user *)buf_val;
 	} get_user_catch(err);
 
+#ifdef CONFIG_X86_64
+	/*
+	 * Fix up SS if needed for the benefit of old DOSEMU and
+	 * CRIU.
+	 */
+	if (unlikely(!(uc_flags & UC_STRICT_RESTORE_SS) && user_64bit_mode(regs)))
+		force_valid_ss(regs);
+#endif
+
 	err |= fpu__restore_sig(buf, IS_ENABLED(CONFIG_X86_32));
 
 	force_iret();
@@ -461,6 +460,7 @@ static int __setup_rt_frame(int sig, str
 {
 	struct rt_sigframe __user *frame;
 	void __user *fp = NULL;
+	unsigned long uc_flags;
 	int err = 0;
 
 	frame = get_sigframe(&ksig->ka, regs, sizeof(struct rt_sigframe), &fp);
@@ -473,9 +473,11 @@ static int __setup_rt_frame(int sig, str
 			return -EFAULT;
 	}
 
+	uc_flags = frame_uc_flags(regs);
+
 	put_user_try {
 		/* Create the ucontext.  */
-		put_user_ex(frame_uc_flags(regs), &frame->uc.uc_flags);
+		put_user_ex(uc_flags, &frame->uc.uc_flags);
 		put_user_ex(0, &frame->uc.uc_link);
 		save_altstack_ex(&frame->uc.uc_stack, regs->sp);
 
@@ -541,6 +543,7 @@ static int x32_setup_rt_frame(struct ksi
 {
 #ifdef CONFIG_X86_X32_ABI
 	struct rt_sigframe_x32 __user *frame;
+	unsigned long uc_flags;
 	void __user *restorer;
 	int err = 0;
 	void __user *fpstate = NULL;
@@ -555,9 +558,11 @@ static int x32_setup_rt_frame(struct ksi
 			return -EFAULT;
 	}
 
+	uc_flags = frame_uc_flags(regs);
+
 	put_user_try {
 		/* Create the ucontext.  */
-		put_user_ex(frame_uc_flags(regs), &frame->uc.uc_flags);
+		put_user_ex(uc_flags, &frame->uc.uc_flags);
 		put_user_ex(0, &frame->uc.uc_link);
 		compat_save_altstack_ex(&frame->uc.uc_stack, regs->sp);
 		put_user_ex(0, &frame->uc.uc__pad0);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/x86/kernel/vmlinux.lds.S linux-libre-5.1.6-gnu/arch/x86/kernel/vmlinux.lds.S
--- linux-libre-5.1.5-gnu/arch/x86/kernel/vmlinux.lds.S	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/x86/kernel/vmlinux.lds.S	2019-05-31 09:43:59.000000000 -0400
@@ -141,11 +141,11 @@ SECTIONS
 		*(.text.__x86.indirect_thunk)
 		__indirect_thunk_end = .;
 #endif
-
-		/* End of text section */
-		_etext = .;
 	} :text = 0x9090
 
+	/* End of text section */
+	_etext = .;
+
 	NOTES :text :note
 
 	EXCEPTION_TABLE(16) :text = 0x9090
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/x86/kvm/irq.c linux-libre-5.1.6-gnu/arch/x86/kvm/irq.c
--- linux-libre-5.1.5-gnu/arch/x86/kvm/irq.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/x86/kvm/irq.c	2019-05-31 09:43:59.000000000 -0400
@@ -172,3 +172,10 @@ void __kvm_migrate_timers(struct kvm_vcp
 	__kvm_migrate_apic_timer(vcpu);
 	__kvm_migrate_pit_timer(vcpu);
 }
+
+bool kvm_arch_irqfd_allowed(struct kvm *kvm, struct kvm_irqfd *args)
+{
+	bool resample = args->flags & KVM_IRQFD_FLAG_RESAMPLE;
+
+	return resample ? irqchip_kernel(kvm) : irqchip_in_kernel(kvm);
+}
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/x86/kvm/irq.h linux-libre-5.1.6-gnu/arch/x86/kvm/irq.h
--- linux-libre-5.1.5-gnu/arch/x86/kvm/irq.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/x86/kvm/irq.h	2019-05-31 09:43:59.000000000 -0400
@@ -114,6 +114,7 @@ static inline int irqchip_in_kernel(stru
 	return mode != KVM_IRQCHIP_NONE;
 }
 
+bool kvm_arch_irqfd_allowed(struct kvm *kvm, struct kvm_irqfd *args);
 void kvm_inject_pending_timer_irqs(struct kvm_vcpu *vcpu);
 void kvm_inject_apic_timer_irqs(struct kvm_vcpu *vcpu);
 void kvm_apic_nmi_wd_deliver(struct kvm_vcpu *vcpu);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/x86/kvm/pmu_amd.c linux-libre-5.1.6-gnu/arch/x86/kvm/pmu_amd.c
--- linux-libre-5.1.5-gnu/arch/x86/kvm/pmu_amd.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/x86/kvm/pmu_amd.c	2019-05-31 09:43:59.000000000 -0400
@@ -269,10 +269,10 @@ static void amd_pmu_refresh(struct kvm_v
 
 	pmu->counter_bitmask[KVM_PMC_GP] = ((u64)1 << 48) - 1;
 	pmu->reserved_bits = 0xffffffff00200000ull;
+	pmu->version = 1;
 	/* not applicable to AMD; but clean them to prevent any fall out */
 	pmu->counter_bitmask[KVM_PMC_FIXED] = 0;
 	pmu->nr_arch_fixed_counters = 0;
-	pmu->version = 0;
 	pmu->global_status = 0;
 }
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/x86/kvm/svm.c linux-libre-5.1.6-gnu/arch/x86/kvm/svm.c
--- linux-libre-5.1.5-gnu/arch/x86/kvm/svm.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/x86/kvm/svm.c	2019-05-31 09:43:59.000000000 -0400
@@ -2024,7 +2024,11 @@ static void avic_vcpu_load(struct kvm_vc
 	if (!kvm_vcpu_apicv_active(vcpu))
 		return;
 
-	if (WARN_ON(h_physical_id >= AVIC_MAX_PHYSICAL_ID_COUNT))
+	/*
+	 * Since the host physical APIC id is 8 bits,
+	 * we can support host APIC ID upto 255.
+	 */
+	if (WARN_ON(h_physical_id > AVIC_PHYSICAL_ID_ENTRY_HOST_PHYSICAL_ID_MASK))
 		return;
 
 	entry = READ_ONCE(*(svm->avic_physical_id_cache));
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/x86/kvm/vmx/nested.c linux-libre-5.1.6-gnu/arch/x86/kvm/vmx/nested.c
--- linux-libre-5.1.5-gnu/arch/x86/kvm/vmx/nested.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/x86/kvm/vmx/nested.c	2019-05-31 09:43:59.000000000 -0400
@@ -2792,14 +2792,13 @@ static int nested_vmx_check_vmentry_hw(s
 	      : "cc", "memory"
 	);
 
-	preempt_enable();
-
 	if (vmx->msr_autoload.host.nr)
 		vmcs_write32(VM_EXIT_MSR_LOAD_COUNT, vmx->msr_autoload.host.nr);
 	if (vmx->msr_autoload.guest.nr)
 		vmcs_write32(VM_ENTRY_MSR_LOAD_COUNT, vmx->msr_autoload.guest.nr);
 
 	if (vm_fail) {
+		preempt_enable();
 		WARN_ON_ONCE(vmcs_read32(VM_INSTRUCTION_ERROR) !=
 			     VMXERR_ENTRY_INVALID_CONTROL_FIELD);
 		return 1;
@@ -2811,6 +2810,7 @@ static int nested_vmx_check_vmentry_hw(s
 	local_irq_enable();
 	if (hw_breakpoint_active())
 		set_debugreg(__this_cpu_read(cpu_dr7), 7);
+	preempt_enable();
 
 	/*
 	 * A non-failing VMEntry means we somehow entered guest mode with
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/x86/kvm/x86.c linux-libre-5.1.6-gnu/arch/x86/kvm/x86.c
--- linux-libre-5.1.5-gnu/arch/x86/kvm/x86.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/x86/kvm/x86.c	2019-05-31 09:43:59.000000000 -0400
@@ -1288,7 +1288,7 @@ static int set_efer(struct kvm_vcpu *vcp
 	u64 efer = msr_info->data;
 
 	if (efer & efer_reserved_bits)
-		return false;
+		return 1;
 
 	if (!msr_info->host_initiated) {
 		if (!__kvm_valid_efer(vcpu, efer))
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/x86/lib/memcpy_64.S linux-libre-5.1.6-gnu/arch/x86/lib/memcpy_64.S
--- linux-libre-5.1.5-gnu/arch/x86/lib/memcpy_64.S	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/x86/lib/memcpy_64.S	2019-05-31 09:43:59.000000000 -0400
@@ -257,6 +257,7 @@ ENTRY(__memcpy_mcsafe)
 	/* Copy successful. Return zero */
 .L_done_memcpy_trap:
 	xorl %eax, %eax
+.L_done:
 	ret
 ENDPROC(__memcpy_mcsafe)
 EXPORT_SYMBOL_GPL(__memcpy_mcsafe)
@@ -273,7 +274,7 @@ EXPORT_SYMBOL_GPL(__memcpy_mcsafe)
 	addl	%edx, %ecx
 .E_trailing_bytes:
 	mov	%ecx, %eax
-	ret
+	jmp	.L_done
 
 	/*
 	 * For write fault handling, given the destination is unaligned,
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/x86/Makefile linux-libre-5.1.6-gnu/arch/x86/Makefile
--- linux-libre-5.1.5-gnu/arch/x86/Makefile	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/x86/Makefile	2019-05-31 09:43:59.000000000 -0400
@@ -47,7 +47,7 @@ export REALMODE_CFLAGS
 export BITS
 
 ifdef CONFIG_X86_NEED_RELOCS
-        LDFLAGS_vmlinux := --emit-relocs
+        LDFLAGS_vmlinux := --emit-relocs --discard-none
 endif
 
 #
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/x86/mm/fault.c linux-libre-5.1.6-gnu/arch/x86/mm/fault.c
--- linux-libre-5.1.5-gnu/arch/x86/mm/fault.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/x86/mm/fault.c	2019-05-31 09:43:59.000000000 -0400
@@ -359,8 +359,6 @@ static noinline int vmalloc_fault(unsign
 	if (!(address >= VMALLOC_START && address < VMALLOC_END))
 		return -1;
 
-	WARN_ON_ONCE(in_nmi());
-
 	/*
 	 * Copy kernel mappings over when needed. This can also
 	 * happen within a race in page table update. In the later
diff -druNp --no-dereference linux-libre-5.1.5-gnu/arch/x86/platform/uv/tlb_uv.c linux-libre-5.1.6-gnu/arch/x86/platform/uv/tlb_uv.c
--- linux-libre-5.1.5-gnu/arch/x86/platform/uv/tlb_uv.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/arch/x86/platform/uv/tlb_uv.c	2019-05-31 09:43:59.000000000 -0400
@@ -2133,14 +2133,19 @@ static int __init summarize_uvhub_socket
  */
 static int __init init_per_cpu(int nuvhubs, int base_part_pnode)
 {
-	unsigned char *uvhub_mask;
 	struct uvhub_desc *uvhub_descs;
+	unsigned char *uvhub_mask = NULL;
 
 	if (is_uv3_hub() || is_uv2_hub() || is_uv1_hub())
 		timeout_us = calculate_destination_timeout();
 
 	uvhub_descs = kcalloc(nuvhubs, sizeof(struct uvhub_desc), GFP_KERNEL);
+	if (!uvhub_descs)
+		goto fail;
+
 	uvhub_mask = kzalloc((nuvhubs+7)/8, GFP_KERNEL);
+	if (!uvhub_mask)
+		goto fail;
 
 	if (get_cpu_topology(base_part_pnode, uvhub_descs, uvhub_mask))
 		goto fail;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/block/bio.c linux-libre-5.1.6-gnu/block/bio.c
--- linux-libre-5.1.5-gnu/block/bio.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/block/bio.c	2019-05-31 09:43:59.000000000 -0400
@@ -776,6 +776,8 @@ bool __bio_try_merge_page(struct bio *bi
 
 		if (vec_end_addr + 1 != page_addr + off)
 			return false;
+		if (xen_domain() && !xen_biovec_phys_mergeable(bv, page))
+			return false;
 		if (same_page && (vec_end_addr & PAGE_MASK) != page_addr)
 			return false;
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/block/blk.h linux-libre-5.1.6-gnu/block/blk.h
--- linux-libre-5.1.5-gnu/block/blk.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/block/blk.h	2019-05-31 09:43:59.000000000 -0400
@@ -75,7 +75,7 @@ static inline bool biovec_phys_mergeable
 
 	if (addr1 + vec1->bv_len != addr2)
 		return false;
-	if (xen_domain() && !xen_biovec_phys_mergeable(vec1, vec2))
+	if (xen_domain() && !xen_biovec_phys_mergeable(vec1, vec2->bv_page))
 		return false;
 	if ((addr1 | mask) != ((addr2 + vec2->bv_len - 1) | mask))
 		return false;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/block/blk-mq.c linux-libre-5.1.6-gnu/block/blk-mq.c
--- linux-libre-5.1.5-gnu/block/blk-mq.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/block/blk-mq.c	2019-05-31 09:43:59.000000000 -0400
@@ -2284,15 +2284,65 @@ static void blk_mq_exit_hw_queues(struct
 	}
 }
 
+static int blk_mq_hw_ctx_size(struct blk_mq_tag_set *tag_set)
+{
+	int hw_ctx_size = sizeof(struct blk_mq_hw_ctx);
+
+	BUILD_BUG_ON(ALIGN(offsetof(struct blk_mq_hw_ctx, srcu),
+			   __alignof__(struct blk_mq_hw_ctx)) !=
+		     sizeof(struct blk_mq_hw_ctx));
+
+	if (tag_set->flags & BLK_MQ_F_BLOCKING)
+		hw_ctx_size += sizeof(struct srcu_struct);
+
+	return hw_ctx_size;
+}
+
 static int blk_mq_init_hctx(struct request_queue *q,
 		struct blk_mq_tag_set *set,
 		struct blk_mq_hw_ctx *hctx, unsigned hctx_idx)
 {
-	int node;
+	hctx->queue_num = hctx_idx;
 
-	node = hctx->numa_node;
+	cpuhp_state_add_instance_nocalls(CPUHP_BLK_MQ_DEAD, &hctx->cpuhp_dead);
+
+	hctx->tags = set->tags[hctx_idx];
+
+	if (set->ops->init_hctx &&
+	    set->ops->init_hctx(hctx, set->driver_data, hctx_idx))
+		goto unregister_cpu_notifier;
+
+	if (blk_mq_init_request(set, hctx->fq->flush_rq, hctx_idx,
+				hctx->numa_node))
+		goto exit_hctx;
+	return 0;
+
+ exit_hctx:
+	if (set->ops->exit_hctx)
+		set->ops->exit_hctx(hctx, hctx_idx);
+ unregister_cpu_notifier:
+	blk_mq_remove_cpuhp(hctx);
+	return -1;
+}
+
+static struct blk_mq_hw_ctx *
+blk_mq_alloc_hctx(struct request_queue *q, struct blk_mq_tag_set *set,
+		int node)
+{
+	struct blk_mq_hw_ctx *hctx;
+	gfp_t gfp = GFP_NOIO | __GFP_NOWARN | __GFP_NORETRY;
+
+	hctx = kzalloc_node(blk_mq_hw_ctx_size(set), gfp, node);
+	if (!hctx)
+		goto fail_alloc_hctx;
+
+	if (!zalloc_cpumask_var_node(&hctx->cpumask, gfp, node))
+		goto free_hctx;
+
+	atomic_set(&hctx->nr_active, 0);
 	if (node == NUMA_NO_NODE)
-		node = hctx->numa_node = set->numa_node;
+		node = set->numa_node;
+	hctx->numa_node = node;
 
 	INIT_DELAYED_WORK(&hctx->run_work, blk_mq_run_work_fn);
 	spin_lock_init(&hctx->lock);
@@ -2300,58 +2350,45 @@ static int blk_mq_init_hctx(struct reque
 	hctx->queue = q;
 	hctx->flags = set->flags & ~BLK_MQ_F_TAG_SHARED;
 
-	cpuhp_state_add_instance_nocalls(CPUHP_BLK_MQ_DEAD, &hctx->cpuhp_dead);
-
-	hctx->tags = set->tags[hctx_idx];
-
 	/*
 	 * Allocate space for all possible cpus to avoid allocation at
 	 * runtime
 	 */
 	hctx->ctxs = kmalloc_array_node(nr_cpu_ids, sizeof(void *),
-			GFP_NOIO | __GFP_NOWARN | __GFP_NORETRY, node);
+			gfp, node);
 	if (!hctx->ctxs)
-		goto unregister_cpu_notifier;
+		goto free_cpumask;
 
 	if (sbitmap_init_node(&hctx->ctx_map, nr_cpu_ids, ilog2(8),
-				GFP_NOIO | __GFP_NOWARN | __GFP_NORETRY, node))
+				gfp, node))
 		goto free_ctxs;
-
 	hctx->nr_ctx = 0;
 
 	spin_lock_init(&hctx->dispatch_wait_lock);
 	init_waitqueue_func_entry(&hctx->dispatch_wait, blk_mq_dispatch_wake);
 	INIT_LIST_HEAD(&hctx->dispatch_wait.entry);
 
-	if (set->ops->init_hctx &&
-	    set->ops->init_hctx(hctx, set->driver_data, hctx_idx))
-		goto free_bitmap;
-
 	hctx->fq = blk_alloc_flush_queue(q, hctx->numa_node, set->cmd_size,
-			GFP_NOIO | __GFP_NOWARN | __GFP_NORETRY);
+			gfp);
 	if (!hctx->fq)
-		goto exit_hctx;
-
-	if (blk_mq_init_request(set, hctx->fq->flush_rq, hctx_idx, node))
-		goto free_fq;
+		goto free_bitmap;
 
 	if (hctx->flags & BLK_MQ_F_BLOCKING)
 		init_srcu_struct(hctx->srcu);
+	blk_mq_hctx_kobj_init(hctx);
 
-	return 0;
+	return hctx;
 
- free_fq:
-	blk_free_flush_queue(hctx->fq);
- exit_hctx:
-	if (set->ops->exit_hctx)
-		set->ops->exit_hctx(hctx, hctx_idx);
  free_bitmap:
 	sbitmap_free(&hctx->ctx_map);
  free_ctxs:
 	kfree(hctx->ctxs);
- unregister_cpu_notifier:
-	blk_mq_remove_cpuhp(hctx);
-	return -1;
+ free_cpumask:
+	free_cpumask_var(hctx->cpumask);
+ free_hctx:
+	kfree(hctx);
+ fail_alloc_hctx:
+	return NULL;
 }
 
 static void blk_mq_init_cpu_queues(struct request_queue *q,
@@ -2695,51 +2732,25 @@ struct request_queue *blk_mq_init_sq_que
 }
 EXPORT_SYMBOL(blk_mq_init_sq_queue);
 
-static int blk_mq_hw_ctx_size(struct blk_mq_tag_set *tag_set)
-{
-	int hw_ctx_size = sizeof(struct blk_mq_hw_ctx);
-
-	BUILD_BUG_ON(ALIGN(offsetof(struct blk_mq_hw_ctx, srcu),
-			   __alignof__(struct blk_mq_hw_ctx)) !=
-		     sizeof(struct blk_mq_hw_ctx));
-
-	if (tag_set->flags & BLK_MQ_F_BLOCKING)
-		hw_ctx_size += sizeof(struct srcu_struct);
-
-	return hw_ctx_size;
-}
-
 static struct blk_mq_hw_ctx *blk_mq_alloc_and_init_hctx(
 		struct blk_mq_tag_set *set, struct request_queue *q,
 		int hctx_idx, int node)
 {
 	struct blk_mq_hw_ctx *hctx;
 
-	hctx = kzalloc_node(blk_mq_hw_ctx_size(set),
-			GFP_NOIO | __GFP_NOWARN | __GFP_NORETRY,
-			node);
+	hctx = blk_mq_alloc_hctx(q, set, node);
 	if (!hctx)
-		return NULL;
-
-	if (!zalloc_cpumask_var_node(&hctx->cpumask,
-				GFP_NOIO | __GFP_NOWARN | __GFP_NORETRY,
-				node)) {
-		kfree(hctx);
-		return NULL;
-	}
-
-	atomic_set(&hctx->nr_active, 0);
-	hctx->numa_node = node;
-	hctx->queue_num = hctx_idx;
+		goto fail;
 
-	if (blk_mq_init_hctx(q, set, hctx, hctx_idx)) {
-		free_cpumask_var(hctx->cpumask);
-		kfree(hctx);
-		return NULL;
-	}
-	blk_mq_hctx_kobj_init(hctx);
+	if (blk_mq_init_hctx(q, set, hctx, hctx_idx))
+		goto free_hctx;
 
 	return hctx;
+
+ free_hctx:
+	kobject_put(&hctx->kobj);
+ fail:
+	return NULL;
 }
 
 static void blk_mq_realloc_hw_ctxs(struct blk_mq_tag_set *set,
diff -druNp --no-dereference linux-libre-5.1.5-gnu/block/blk-mq-sched.c linux-libre-5.1.6-gnu/block/blk-mq-sched.c
--- linux-libre-5.1.5-gnu/block/blk-mq-sched.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/block/blk-mq-sched.c	2019-05-31 09:43:59.000000000 -0400
@@ -413,6 +413,14 @@ void blk_mq_sched_insert_requests(struct
 				  struct list_head *list, bool run_queue_async)
 {
 	struct elevator_queue *e;
+	struct request_queue *q = hctx->queue;
+
+	/*
+	 * blk_mq_sched_insert_requests() is called from flush plug
+	 * context only, and hold one usage counter to prevent queue
+	 * from being released.
+	 */
+	percpu_ref_get(&q->q_usage_counter);
 
 	e = hctx->queue->elevator;
 	if (e && e->type->ops.insert_requests)
@@ -426,12 +434,14 @@ void blk_mq_sched_insert_requests(struct
 		if (!hctx->dispatch_busy && !e && !run_queue_async) {
 			blk_mq_try_issue_list_directly(hctx, list);
 			if (list_empty(list))
-				return;
+				goto out;
 		}
 		blk_mq_insert_requests(hctx, ctx, list);
 	}
 
 	blk_mq_run_hw_queue(hctx, run_queue_async);
+ out:
+	percpu_ref_put(&q->q_usage_counter);
 }
 
 static void blk_mq_sched_free_tags(struct blk_mq_tag_set *set,
diff -druNp --no-dereference linux-libre-5.1.5-gnu/block/genhd.c linux-libre-5.1.6-gnu/block/genhd.c
--- linux-libre-5.1.5-gnu/block/genhd.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/block/genhd.c	2019-05-31 09:43:59.000000000 -0400
@@ -531,6 +531,18 @@ void blk_free_devt(dev_t devt)
 	}
 }
 
+/**
+ *	We invalidate devt by assigning NULL pointer for devt in idr.
+ */
+void blk_invalidate_devt(dev_t devt)
+{
+	if (MAJOR(devt) == BLOCK_EXT_MAJOR) {
+		spin_lock_bh(&ext_devt_lock);
+		idr_replace(&ext_devt_idr, NULL, blk_mangle_minor(MINOR(devt)));
+		spin_unlock_bh(&ext_devt_lock);
+	}
+}
+
 static char *bdevt_str(dev_t devt, char *buf)
 {
 	if (MAJOR(devt) <= 0xff && MINOR(devt) <= 0xff) {
@@ -793,6 +805,13 @@ void del_gendisk(struct gendisk *disk)
 
 	if (!(disk->flags & GENHD_FL_HIDDEN))
 		blk_unregister_region(disk_devt(disk), disk->minors);
+	/*
+	 * Remove gendisk pointer from idr so that it cannot be looked up
+	 * while RCU period before freeing gendisk is running to prevent
+	 * use-after-free issues. Note that the device number stays
+	 * "in-use" until we really free the gendisk.
+	 */
+	blk_invalidate_devt(disk_devt(disk));
 
 	kobject_put(disk->part0.holder_dir);
 	kobject_put(disk->slave_dir);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/block/partition-generic.c linux-libre-5.1.6-gnu/block/partition-generic.c
--- linux-libre-5.1.5-gnu/block/partition-generic.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/block/partition-generic.c	2019-05-31 09:43:59.000000000 -0400
@@ -285,6 +285,13 @@ void delete_partition(struct gendisk *di
 	kobject_put(part->holder_dir);
 	device_del(part_to_dev(part));
 
+	/*
+	 * Remove gendisk pointer from idr so that it cannot be looked up
+	 * while RCU period before freeing gendisk is running to prevent
+	 * use-after-free issues. Note that the device number stays
+	 * "in-use" until we really free the gendisk.
+	 */
+	blk_invalidate_devt(part_devt(part));
 	hd_struct_kill(part);
 }
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/block/sed-opal.c linux-libre-5.1.6-gnu/block/sed-opal.c
--- linux-libre-5.1.5-gnu/block/sed-opal.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/block/sed-opal.c	2019-05-31 09:43:59.000000000 -0400
@@ -2095,13 +2095,16 @@ static int opal_erase_locking_range(stru
 static int opal_enable_disable_shadow_mbr(struct opal_dev *dev,
 					  struct opal_mbr_data *opal_mbr)
 {
+	u8 enable_disable = opal_mbr->enable_disable == OPAL_MBR_ENABLE ?
+		OPAL_TRUE : OPAL_FALSE;
+
 	const struct opal_step mbr_steps[] = {
 		{ opal_discovery0, },
 		{ start_admin1LSP_opal_session, &opal_mbr->key },
-		{ set_mbr_done, &opal_mbr->enable_disable },
+		{ set_mbr_done, &enable_disable },
 		{ end_opal_session, },
 		{ start_admin1LSP_opal_session, &opal_mbr->key },
-		{ set_mbr_enable_disable, &opal_mbr->enable_disable },
+		{ set_mbr_enable_disable, &enable_disable },
 		{ end_opal_session, },
 		{ NULL, }
 	};
@@ -2221,7 +2224,7 @@ static int __opal_lock_unlock(struct opa
 
 static int __opal_set_mbr_done(struct opal_dev *dev, struct opal_key *key)
 {
-	u8 mbr_done_tf = 1;
+	u8 mbr_done_tf = OPAL_TRUE;
 	const struct opal_step mbrdone_step [] = {
 		{ opal_discovery0, },
 		{ start_admin1LSP_opal_session, key },
diff -druNp --no-dereference linux-libre-5.1.5-gnu/crypto/hmac.c linux-libre-5.1.6-gnu/crypto/hmac.c
--- linux-libre-5.1.5-gnu/crypto/hmac.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/crypto/hmac.c	2019-05-31 09:43:59.000000000 -0400
@@ -168,6 +168,8 @@ static int hmac_init_tfm(struct crypto_t
 
 	parent->descsize = sizeof(struct shash_desc) +
 			   crypto_shash_descsize(hash);
+	if (WARN_ON(parent->descsize > HASH_MAX_DESCSIZE))
+		return -EINVAL;
 
 	ctx->hash = hash;
 	return 0;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/Documentation/arm64/silicon-errata.txt linux-libre-5.1.6-gnu/Documentation/arm64/silicon-errata.txt
--- linux-libre-5.1.5-gnu/Documentation/arm64/silicon-errata.txt	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/Documentation/arm64/silicon-errata.txt	2019-05-31 09:43:59.000000000 -0400
@@ -61,6 +61,7 @@ stable kernels.
 | ARM            | Cortex-A76      | #1188873        | ARM64_ERRATUM_1188873       |
 | ARM            | Cortex-A76      | #1165522        | ARM64_ERRATUM_1165522       |
 | ARM            | Cortex-A76      | #1286807        | ARM64_ERRATUM_1286807       |
+| ARM            | Cortex-A76      | #1463225        | ARM64_ERRATUM_1463225       |
 | ARM            | MMU-500         | #841119,#826419 | N/A                         |
 |                |                 |                 |                             |
 | Cavium         | ThunderX ITS    | #22375, #24313  | CAVIUM_ERRATUM_22375        |
diff -druNp --no-dereference linux-libre-5.1.5-gnu/Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt linux-libre-5.1.6-gnu/Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt
--- linux-libre-5.1.5-gnu/Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt	2019-05-31 09:43:59.000000000 -0400
@@ -59,7 +59,8 @@ Required properties:
 	   one for each entry in reset-names.
  - reset-names: "phy" for reset of phy block,
 		"common" for phy common block reset,
-		"cfg" for phy's ahb cfg block reset.
+		"cfg" for phy's ahb cfg block reset,
+		"ufsphy" for the PHY reset in the UFS controller.
 
 		For "qcom,ipq8074-qmp-pcie-phy" must contain:
 			"phy", "common".
@@ -74,7 +75,8 @@ Required properties:
 			"phy", "common".
 		For "qcom,sdm845-qmp-usb3-uni-phy" must contain:
 			"phy", "common".
-		For "qcom,sdm845-qmp-ufs-phy": no resets are listed.
+		For "qcom,sdm845-qmp-ufs-phy": must contain:
+			"ufsphy".
 
  - vdda-phy-supply: Phandle to a regulator supply to PHY core block.
  - vdda-pll-supply: Phandle to 1.8V regulator supply to PHY refclk pll block.
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/acpi/arm64/iort.c linux-libre-5.1.6-gnu/drivers/acpi/arm64/iort.c
--- linux-libre-5.1.5-gnu/drivers/acpi/arm64/iort.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/acpi/arm64/iort.c	2019-05-31 09:43:59.000000000 -0400
@@ -1232,18 +1232,24 @@ static bool __init arm_smmu_v3_is_cohere
 /*
  * set numa proximity domain for smmuv3 device
  */
-static void  __init arm_smmu_v3_set_proximity(struct device *dev,
+static int  __init arm_smmu_v3_set_proximity(struct device *dev,
 					      struct acpi_iort_node *node)
 {
 	struct acpi_iort_smmu_v3 *smmu;
 
 	smmu = (struct acpi_iort_smmu_v3 *)node->node_data;
 	if (smmu->flags & ACPI_IORT_SMMU_V3_PXM_VALID) {
-		set_dev_node(dev, acpi_map_pxm_to_node(smmu->pxm));
+		int node = acpi_map_pxm_to_node(smmu->pxm);
+
+		if (node != NUMA_NO_NODE && !node_online(node))
+			return -EINVAL;
+
+		set_dev_node(dev, node);
 		pr_info("SMMU-v3[%llx] Mapped to Proximity domain %d\n",
 			smmu->base_address,
 			smmu->pxm);
 	}
+	return 0;
 }
 #else
 #define arm_smmu_v3_set_proximity NULL
@@ -1318,7 +1324,7 @@ struct iort_dev_config {
 	int (*dev_count_resources)(struct acpi_iort_node *node);
 	void (*dev_init_resources)(struct resource *res,
 				     struct acpi_iort_node *node);
-	void (*dev_set_proximity)(struct device *dev,
+	int (*dev_set_proximity)(struct device *dev,
 				    struct acpi_iort_node *node);
 };
 
@@ -1369,8 +1375,11 @@ static int __init iort_add_platform_devi
 	if (!pdev)
 		return -ENOMEM;
 
-	if (ops->dev_set_proximity)
-		ops->dev_set_proximity(&pdev->dev, node);
+	if (ops->dev_set_proximity) {
+		ret = ops->dev_set_proximity(&pdev->dev, node);
+		if (ret)
+			goto dev_put;
+	}
 
 	count = ops->dev_count_resources(node);
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/acpi/property.c linux-libre-5.1.6-gnu/drivers/acpi/property.c
--- linux-libre-5.1.5-gnu/drivers/acpi/property.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/acpi/property.c	2019-05-31 09:43:59.000000000 -0400
@@ -1031,6 +1031,14 @@ struct fwnode_handle *acpi_get_next_subn
 		const struct acpi_data_node *data = to_acpi_data_node(fwnode);
 		struct acpi_data_node *dn;
 
+		/*
+		 * We can have a combination of device and data nodes, e.g. with
+		 * hierarchical _DSD properties. Make sure the adev pointer is
+		 * restored before going through data nodes, otherwise we will
+		 * be looking for data_nodes below the last device found instead
+		 * of the common fwnode shared by device_nodes and data_nodes.
+		 */
+		adev = to_acpi_device_node(fwnode);
 		if (adev)
 			head = &adev->data.subnodes;
 		else if (data)
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/base/power/main.c linux-libre-5.1.6-gnu/drivers/base/power/main.c
--- linux-libre-5.1.5-gnu/drivers/base/power/main.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/base/power/main.c	2019-05-31 09:43:59.000000000 -0400
@@ -1747,6 +1747,10 @@ static int __device_suspend(struct devic
 	if (dev->power.syscore)
 		goto Complete;
 
+	/* Avoid direct_complete to let wakeup_path propagate. */
+	if (device_may_wakeup(dev) || dev->power.wakeup_path)
+		dev->power.direct_complete = false;
+
 	if (dev->power.direct_complete) {
 		if (pm_runtime_status_suspended(dev)) {
 			pm_runtime_disable(dev);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/bluetooth/btbcm.c linux-libre-5.1.6-gnu/drivers/bluetooth/btbcm.c
--- linux-libre-5.1.5-gnu/drivers/bluetooth/btbcm.c	2019-05-25 21:33:19.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/bluetooth/btbcm.c	2019-05-31 15:25:08.000000000 -0400
@@ -37,6 +37,7 @@
 #define BDADDR_BCM43430A0 (&(bdaddr_t) {{0xac, 0x1f, 0x12, 0xa0, 0x43, 0x43}})
 #define BDADDR_BCM4324B3 (&(bdaddr_t) {{0x00, 0x00, 0x00, 0xb3, 0x24, 0x43}})
 #define BDADDR_BCM4330B1 (&(bdaddr_t) {{0x00, 0x00, 0x00, 0xb1, 0x30, 0x43}})
+#define BDADDR_BCM43341B (&(bdaddr_t) {{0xac, 0x1f, 0x00, 0x1b, 0x34, 0x43}})
 
 int btbcm_check_bdaddr(struct hci_dev *hdev)
 {
@@ -82,7 +83,8 @@ int btbcm_check_bdaddr(struct hci_dev *h
 	    !bacmp(&bda->bdaddr, BDADDR_BCM20702A1) ||
 	    !bacmp(&bda->bdaddr, BDADDR_BCM4324B3) ||
 	    !bacmp(&bda->bdaddr, BDADDR_BCM4330B1) ||
-	    !bacmp(&bda->bdaddr, BDADDR_BCM43430A0)) {
+	    !bacmp(&bda->bdaddr, BDADDR_BCM43430A0) ||
+	    !bacmp(&bda->bdaddr, BDADDR_BCM43341B)) {
 		bt_dev_info(hdev, "BCM: Using default device address (%pMR)",
 			    &bda->bdaddr);
 		set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/bluetooth/btmtkuart.c linux-libre-5.1.6-gnu/drivers/bluetooth/btmtkuart.c
--- linux-libre-5.1.5-gnu/drivers/bluetooth/btmtkuart.c	2019-05-25 21:34:00.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/bluetooth/btmtkuart.c	2019-05-31 15:25:50.000000000 -0400
@@ -661,7 +661,7 @@ static int btmtkuart_change_baudrate(str
 {
 	struct btmtkuart_dev *bdev = hci_get_drvdata(hdev);
 	struct btmtk_hci_wmt_params wmt_params;
-	u32 baudrate;
+	__le32 baudrate;
 	u8 param;
 	int err;
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/bluetooth/hci_qca.c linux-libre-5.1.6-gnu/drivers/bluetooth/hci_qca.c
--- linux-libre-5.1.5-gnu/drivers/bluetooth/hci_qca.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/bluetooth/hci_qca.c	2019-05-31 09:43:59.000000000 -0400
@@ -508,6 +508,8 @@ static int qca_open(struct hci_uart *hu)
 		qcadev = serdev_device_get_drvdata(hu->serdev);
 		if (qcadev->btsoc_type != QCA_WCN3990) {
 			gpiod_set_value_cansleep(qcadev->bt_en, 1);
+			/* Controller needs time to bootup. */
+			msleep(150);
 		} else {
 			hu->init_speed = qcadev->init_speed;
 			hu->oper_speed = qcadev->oper_speed;
@@ -992,7 +994,8 @@ static int qca_set_baudrate(struct hci_d
 	while (!skb_queue_empty(&qca->txq))
 		usleep_range(100, 200);
 
-	serdev_device_wait_until_sent(hu->serdev,
+	if (hu->serdev)
+		serdev_device_wait_until_sent(hu->serdev,
 		      msecs_to_jiffies(CMD_TRANS_TIMEOUT_MS));
 
 	/* Give the controller time to process the request */
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/char/hw_random/omap-rng.c linux-libre-5.1.6-gnu/drivers/char/hw_random/omap-rng.c
--- linux-libre-5.1.5-gnu/drivers/char/hw_random/omap-rng.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/char/hw_random/omap-rng.c	2019-05-31 09:43:59.000000000 -0400
@@ -443,6 +443,7 @@ static int omap_rng_probe(struct platfor
 	priv->rng.read = omap_rng_do_read;
 	priv->rng.init = omap_rng_init;
 	priv->rng.cleanup = omap_rng_cleanup;
+	priv->rng.quality = 900;
 
 	priv->rng.priv = (unsigned long)priv;
 	platform_set_drvdata(pdev, priv);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/char/random.c linux-libre-5.1.6-gnu/drivers/char/random.c
--- linux-libre-5.1.5-gnu/drivers/char/random.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/char/random.c	2019-05-31 09:43:59.000000000 -0400
@@ -777,6 +777,7 @@ static struct crng_state **crng_node_poo
 #endif
 
 static void invalidate_batched_entropy(void);
+static void numa_crng_init(void);
 
 static bool trust_cpu __ro_after_init = IS_ENABLED(CONFIG_RANDOM_TRUST_CPU);
 static int __init parse_trust_cpu(char *arg)
@@ -805,7 +806,9 @@ static void crng_initialize(struct crng_
 		}
 		crng->state[i] ^= rv;
 	}
-	if (trust_cpu && arch_init) {
+	if (trust_cpu && arch_init && crng == &primary_crng) {
+		invalidate_batched_entropy();
+		numa_crng_init();
 		crng_init = 2;
 		pr_notice("random: crng done (trusting CPU's manufacturer)\n");
 	}
@@ -2211,8 +2214,8 @@ struct batched_entropy {
 		u32 entropy_u32[CHACHA_BLOCK_SIZE / sizeof(u32)];
 	};
 	unsigned int position;
+	spinlock_t batch_lock;
 };
-static rwlock_t batched_entropy_reset_lock = __RW_LOCK_UNLOCKED(batched_entropy_reset_lock);
 
 /*
  * Get a random word for internal kernel use only. The quality of the random
@@ -2222,12 +2225,14 @@ static rwlock_t batched_entropy_reset_lo
  * wait_for_random_bytes() should be called and return 0 at least once
  * at any point prior.
  */
-static DEFINE_PER_CPU(struct batched_entropy, batched_entropy_u64);
+static DEFINE_PER_CPU(struct batched_entropy, batched_entropy_u64) = {
+	.batch_lock	= __SPIN_LOCK_UNLOCKED(batched_entropy_u64.lock),
+};
+
 u64 get_random_u64(void)
 {
 	u64 ret;
-	bool use_lock;
-	unsigned long flags = 0;
+	unsigned long flags;
 	struct batched_entropy *batch;
 	static void *previous;
 
@@ -2242,28 +2247,25 @@ u64 get_random_u64(void)
 
 	warn_unseeded_randomness(&previous);
 
-	use_lock = READ_ONCE(crng_init) < 2;
-	batch = &get_cpu_var(batched_entropy_u64);
-	if (use_lock)
-		read_lock_irqsave(&batched_entropy_reset_lock, flags);
+	batch = raw_cpu_ptr(&batched_entropy_u64);
+	spin_lock_irqsave(&batch->batch_lock, flags);
 	if (batch->position % ARRAY_SIZE(batch->entropy_u64) == 0) {
 		extract_crng((u8 *)batch->entropy_u64);
 		batch->position = 0;
 	}
 	ret = batch->entropy_u64[batch->position++];
-	if (use_lock)
-		read_unlock_irqrestore(&batched_entropy_reset_lock, flags);
-	put_cpu_var(batched_entropy_u64);
+	spin_unlock_irqrestore(&batch->batch_lock, flags);
 	return ret;
 }
 EXPORT_SYMBOL(get_random_u64);
 
-static DEFINE_PER_CPU(struct batched_entropy, batched_entropy_u32);
+static DEFINE_PER_CPU(struct batched_entropy, batched_entropy_u32) = {
+	.batch_lock	= __SPIN_LOCK_UNLOCKED(batched_entropy_u32.lock),
+};
 u32 get_random_u32(void)
 {
 	u32 ret;
-	bool use_lock;
-	unsigned long flags = 0;
+	unsigned long flags;
 	struct batched_entropy *batch;
 	static void *previous;
 
@@ -2272,18 +2274,14 @@ u32 get_random_u32(void)
 
 	warn_unseeded_randomness(&previous);
 
-	use_lock = READ_ONCE(crng_init) < 2;
-	batch = &get_cpu_var(batched_entropy_u32);
-	if (use_lock)
-		read_lock_irqsave(&batched_entropy_reset_lock, flags);
+	batch = raw_cpu_ptr(&batched_entropy_u32);
+	spin_lock_irqsave(&batch->batch_lock, flags);
 	if (batch->position % ARRAY_SIZE(batch->entropy_u32) == 0) {
 		extract_crng((u8 *)batch->entropy_u32);
 		batch->position = 0;
 	}
 	ret = batch->entropy_u32[batch->position++];
-	if (use_lock)
-		read_unlock_irqrestore(&batched_entropy_reset_lock, flags);
-	put_cpu_var(batched_entropy_u32);
+	spin_unlock_irqrestore(&batch->batch_lock, flags);
 	return ret;
 }
 EXPORT_SYMBOL(get_random_u32);
@@ -2297,12 +2295,19 @@ static void invalidate_batched_entropy(v
 	int cpu;
 	unsigned long flags;
 
-	write_lock_irqsave(&batched_entropy_reset_lock, flags);
 	for_each_possible_cpu (cpu) {
-		per_cpu_ptr(&batched_entropy_u32, cpu)->position = 0;
-		per_cpu_ptr(&batched_entropy_u64, cpu)->position = 0;
+		struct batched_entropy *batched_entropy;
+
+		batched_entropy = per_cpu_ptr(&batched_entropy_u32, cpu);
+		spin_lock_irqsave(&batched_entropy->batch_lock, flags);
+		batched_entropy->position = 0;
+		spin_unlock(&batched_entropy->batch_lock);
+
+		batched_entropy = per_cpu_ptr(&batched_entropy_u64, cpu);
+		spin_lock(&batched_entropy->batch_lock);
+		batched_entropy->position = 0;
+		spin_unlock_irqrestore(&batched_entropy->batch_lock, flags);
 	}
-	write_unlock_irqrestore(&batched_entropy_reset_lock, flags);
 }
 
 /**
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/char/virtio_console.c linux-libre-5.1.6-gnu/drivers/char/virtio_console.c
--- linux-libre-5.1.5-gnu/drivers/char/virtio_console.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/char/virtio_console.c	2019-05-31 09:43:59.000000000 -0400
@@ -75,7 +75,7 @@ struct ports_driver_data {
 	/* All the console devices handled by this driver */
 	struct list_head consoles;
 };
-static struct ports_driver_data pdrvdata;
+static struct ports_driver_data pdrvdata = { .next_vtermno = 1};
 
 static DEFINE_SPINLOCK(pdrvdata_lock);
 static DECLARE_COMPLETION(early_console_added);
@@ -1394,6 +1394,7 @@ static int add_port(struct ports_device
 	port->async_queue = NULL;
 
 	port->cons.ws.ws_row = port->cons.ws.ws_col = 0;
+	port->cons.vtermno = 0;
 
 	port->host_connected = port->guest_connected = false;
 	port->stats = (struct port_stats) { 0 };
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/clk/renesas/r8a774a1-cpg-mssr.c linux-libre-5.1.6-gnu/drivers/clk/renesas/r8a774a1-cpg-mssr.c
--- linux-libre-5.1.5-gnu/drivers/clk/renesas/r8a774a1-cpg-mssr.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/clk/renesas/r8a774a1-cpg-mssr.c	2019-05-31 09:43:59.000000000 -0400
@@ -123,8 +123,8 @@ static const struct mssr_mod_clk r8a774a
 	DEF_MOD("msiof2",		 209,	R8A774A1_CLK_MSO),
 	DEF_MOD("msiof1",		 210,	R8A774A1_CLK_MSO),
 	DEF_MOD("msiof0",		 211,	R8A774A1_CLK_MSO),
-	DEF_MOD("sys-dmac2",		 217,	R8A774A1_CLK_S0D3),
-	DEF_MOD("sys-dmac1",		 218,	R8A774A1_CLK_S0D3),
+	DEF_MOD("sys-dmac2",		 217,	R8A774A1_CLK_S3D1),
+	DEF_MOD("sys-dmac1",		 218,	R8A774A1_CLK_S3D1),
 	DEF_MOD("sys-dmac0",		 219,	R8A774A1_CLK_S0D3),
 	DEF_MOD("cmt3",			 300,	R8A774A1_CLK_R),
 	DEF_MOD("cmt2",			 301,	R8A774A1_CLK_R),
@@ -143,8 +143,8 @@ static const struct mssr_mod_clk r8a774a
 	DEF_MOD("rwdt",			 402,	R8A774A1_CLK_R),
 	DEF_MOD("intc-ex",		 407,	R8A774A1_CLK_CP),
 	DEF_MOD("intc-ap",		 408,	R8A774A1_CLK_S0D3),
-	DEF_MOD("audmac1",		 501,	R8A774A1_CLK_S0D3),
-	DEF_MOD("audmac0",		 502,	R8A774A1_CLK_S0D3),
+	DEF_MOD("audmac1",		 501,	R8A774A1_CLK_S1D2),
+	DEF_MOD("audmac0",		 502,	R8A774A1_CLK_S1D2),
 	DEF_MOD("hscif4",		 516,	R8A774A1_CLK_S3D1),
 	DEF_MOD("hscif3",		 517,	R8A774A1_CLK_S3D1),
 	DEF_MOD("hscif2",		 518,	R8A774A1_CLK_S3D1),
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/clk/renesas/r8a774c0-cpg-mssr.c linux-libre-5.1.6-gnu/drivers/clk/renesas/r8a774c0-cpg-mssr.c
--- linux-libre-5.1.5-gnu/drivers/clk/renesas/r8a774c0-cpg-mssr.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/clk/renesas/r8a774c0-cpg-mssr.c	2019-05-31 09:43:59.000000000 -0400
@@ -157,7 +157,7 @@ static const struct mssr_mod_clk r8a774c
 	DEF_MOD("intc-ex",		 407,	R8A774C0_CLK_CP),
 	DEF_MOD("intc-ap",		 408,	R8A774C0_CLK_S0D3),
 
-	DEF_MOD("audmac0",		 502,	R8A774C0_CLK_S3D4),
+	DEF_MOD("audmac0",		 502,	R8A774C0_CLK_S1D2),
 	DEF_MOD("hscif4",		 516,	R8A774C0_CLK_S3D1C),
 	DEF_MOD("hscif3",		 517,	R8A774C0_CLK_S3D1C),
 	DEF_MOD("hscif2",		 518,	R8A774C0_CLK_S3D1C),
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/clk/renesas/r8a7795-cpg-mssr.c linux-libre-5.1.6-gnu/drivers/clk/renesas/r8a7795-cpg-mssr.c
--- linux-libre-5.1.5-gnu/drivers/clk/renesas/r8a7795-cpg-mssr.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/clk/renesas/r8a7795-cpg-mssr.c	2019-05-31 09:43:59.000000000 -0400
@@ -129,8 +129,8 @@ static struct mssr_mod_clk r8a7795_mod_c
 	DEF_MOD("msiof2",		 209,	R8A7795_CLK_MSO),
 	DEF_MOD("msiof1",		 210,	R8A7795_CLK_MSO),
 	DEF_MOD("msiof0",		 211,	R8A7795_CLK_MSO),
-	DEF_MOD("sys-dmac2",		 217,	R8A7795_CLK_S0D3),
-	DEF_MOD("sys-dmac1",		 218,	R8A7795_CLK_S0D3),
+	DEF_MOD("sys-dmac2",		 217,	R8A7795_CLK_S3D1),
+	DEF_MOD("sys-dmac1",		 218,	R8A7795_CLK_S3D1),
 	DEF_MOD("sys-dmac0",		 219,	R8A7795_CLK_S0D3),
 	DEF_MOD("sceg-pub",		 229,	R8A7795_CLK_CR),
 	DEF_MOD("cmt3",			 300,	R8A7795_CLK_R),
@@ -153,8 +153,8 @@ static struct mssr_mod_clk r8a7795_mod_c
 	DEF_MOD("rwdt",			 402,	R8A7795_CLK_R),
 	DEF_MOD("intc-ex",		 407,	R8A7795_CLK_CP),
 	DEF_MOD("intc-ap",		 408,	R8A7795_CLK_S0D3),
-	DEF_MOD("audmac1",		 501,	R8A7795_CLK_S0D3),
-	DEF_MOD("audmac0",		 502,	R8A7795_CLK_S0D3),
+	DEF_MOD("audmac1",		 501,	R8A7795_CLK_S1D2),
+	DEF_MOD("audmac0",		 502,	R8A7795_CLK_S1D2),
 	DEF_MOD("drif7",		 508,	R8A7795_CLK_S3D2),
 	DEF_MOD("drif6",		 509,	R8A7795_CLK_S3D2),
 	DEF_MOD("drif5",		 510,	R8A7795_CLK_S3D2),
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/clk/renesas/r8a77965-cpg-mssr.c linux-libre-5.1.6-gnu/drivers/clk/renesas/r8a77965-cpg-mssr.c
--- linux-libre-5.1.5-gnu/drivers/clk/renesas/r8a77965-cpg-mssr.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/clk/renesas/r8a77965-cpg-mssr.c	2019-05-31 09:43:59.000000000 -0400
@@ -123,8 +123,8 @@ static const struct mssr_mod_clk r8a7796
 	DEF_MOD("msiof2",		209,	R8A77965_CLK_MSO),
 	DEF_MOD("msiof1",		210,	R8A77965_CLK_MSO),
 	DEF_MOD("msiof0",		211,	R8A77965_CLK_MSO),
-	DEF_MOD("sys-dmac2",		217,	R8A77965_CLK_S0D3),
-	DEF_MOD("sys-dmac1",		218,	R8A77965_CLK_S0D3),
+	DEF_MOD("sys-dmac2",		217,	R8A77965_CLK_S3D1),
+	DEF_MOD("sys-dmac1",		218,	R8A77965_CLK_S3D1),
 	DEF_MOD("sys-dmac0",		219,	R8A77965_CLK_S0D3),
 
 	DEF_MOD("cmt3",			300,	R8A77965_CLK_R),
@@ -146,8 +146,8 @@ static const struct mssr_mod_clk r8a7796
 	DEF_MOD("intc-ex",		407,	R8A77965_CLK_CP),
 	DEF_MOD("intc-ap",		408,	R8A77965_CLK_S0D3),
 
-	DEF_MOD("audmac1",		501,	R8A77965_CLK_S0D3),
-	DEF_MOD("audmac0",		502,	R8A77965_CLK_S0D3),
+	DEF_MOD("audmac1",		501,	R8A77965_CLK_S1D2),
+	DEF_MOD("audmac0",		502,	R8A77965_CLK_S1D2),
 	DEF_MOD("drif7",		508,	R8A77965_CLK_S3D2),
 	DEF_MOD("drif6",		509,	R8A77965_CLK_S3D2),
 	DEF_MOD("drif5",		510,	R8A77965_CLK_S3D2),
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/clk/renesas/r8a7796-cpg-mssr.c linux-libre-5.1.6-gnu/drivers/clk/renesas/r8a7796-cpg-mssr.c
--- linux-libre-5.1.5-gnu/drivers/clk/renesas/r8a7796-cpg-mssr.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/clk/renesas/r8a7796-cpg-mssr.c	2019-05-31 09:43:59.000000000 -0400
@@ -126,8 +126,8 @@ static const struct mssr_mod_clk r8a7796
 	DEF_MOD("msiof2",		 209,	R8A7796_CLK_MSO),
 	DEF_MOD("msiof1",		 210,	R8A7796_CLK_MSO),
 	DEF_MOD("msiof0",		 211,	R8A7796_CLK_MSO),
-	DEF_MOD("sys-dmac2",		 217,	R8A7796_CLK_S0D3),
-	DEF_MOD("sys-dmac1",		 218,	R8A7796_CLK_S0D3),
+	DEF_MOD("sys-dmac2",		 217,	R8A7796_CLK_S3D1),
+	DEF_MOD("sys-dmac1",		 218,	R8A7796_CLK_S3D1),
 	DEF_MOD("sys-dmac0",		 219,	R8A7796_CLK_S0D3),
 	DEF_MOD("cmt3",			 300,	R8A7796_CLK_R),
 	DEF_MOD("cmt2",			 301,	R8A7796_CLK_R),
@@ -146,8 +146,8 @@ static const struct mssr_mod_clk r8a7796
 	DEF_MOD("rwdt",			 402,	R8A7796_CLK_R),
 	DEF_MOD("intc-ex",		 407,	R8A7796_CLK_CP),
 	DEF_MOD("intc-ap",		 408,	R8A7796_CLK_S0D3),
-	DEF_MOD("audmac1",		 501,	R8A7796_CLK_S0D3),
-	DEF_MOD("audmac0",		 502,	R8A7796_CLK_S0D3),
+	DEF_MOD("audmac1",		 501,	R8A7796_CLK_S1D2),
+	DEF_MOD("audmac0",		 502,	R8A7796_CLK_S1D2),
 	DEF_MOD("drif7",		 508,	R8A7796_CLK_S3D2),
 	DEF_MOD("drif6",		 509,	R8A7796_CLK_S3D2),
 	DEF_MOD("drif5",		 510,	R8A7796_CLK_S3D2),
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/clk/renesas/r8a77990-cpg-mssr.c linux-libre-5.1.6-gnu/drivers/clk/renesas/r8a77990-cpg-mssr.c
--- linux-libre-5.1.5-gnu/drivers/clk/renesas/r8a77990-cpg-mssr.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/clk/renesas/r8a77990-cpg-mssr.c	2019-05-31 09:43:59.000000000 -0400
@@ -152,7 +152,7 @@ static const struct mssr_mod_clk r8a7799
 	DEF_MOD("intc-ex",		 407,	R8A77990_CLK_CP),
 	DEF_MOD("intc-ap",		 408,	R8A77990_CLK_S0D3),
 
-	DEF_MOD("audmac0",		 502,	R8A77990_CLK_S3D4),
+	DEF_MOD("audmac0",		 502,	R8A77990_CLK_S1D2),
 	DEF_MOD("drif7",		 508,	R8A77990_CLK_S3D2),
 	DEF_MOD("drif6",		 509,	R8A77990_CLK_S3D2),
 	DEF_MOD("drif5",		 510,	R8A77990_CLK_S3D2),
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/clk/renesas/r8a77995-cpg-mssr.c linux-libre-5.1.6-gnu/drivers/clk/renesas/r8a77995-cpg-mssr.c
--- linux-libre-5.1.5-gnu/drivers/clk/renesas/r8a77995-cpg-mssr.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/clk/renesas/r8a77995-cpg-mssr.c	2019-05-31 09:43:59.000000000 -0400
@@ -133,7 +133,7 @@ static const struct mssr_mod_clk r8a7799
 	DEF_MOD("rwdt",			 402,	R8A77995_CLK_R),
 	DEF_MOD("intc-ex",		 407,	R8A77995_CLK_CP),
 	DEF_MOD("intc-ap",		 408,	R8A77995_CLK_S1D2),
-	DEF_MOD("audmac0",		 502,	R8A77995_CLK_S3D1),
+	DEF_MOD("audmac0",		 502,	R8A77995_CLK_S1D2),
 	DEF_MOD("hscif3",		 517,	R8A77995_CLK_S3D1C),
 	DEF_MOD("hscif0",		 520,	R8A77995_CLK_S3D1C),
 	DEF_MOD("thermal",		 522,	R8A77995_CLK_CP),
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/clk/rockchip/clk-rk3288.c linux-libre-5.1.6-gnu/drivers/clk/rockchip/clk-rk3288.c
--- linux-libre-5.1.5-gnu/drivers/clk/rockchip/clk-rk3288.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/clk/rockchip/clk-rk3288.c	2019-05-31 09:43:59.000000000 -0400
@@ -219,7 +219,7 @@ PNAME(mux_hsadcout_p)	= { "hsadc_src", "
 PNAME(mux_edp_24m_p)	= { "ext_edp_24m", "xin24m" };
 PNAME(mux_tspout_p)	= { "cpll", "gpll", "npll", "xin27m" };
 
-PNAME(mux_aclk_vcodec_pre_p)	= { "aclk_vepu", "aclk_vdpu" };
+PNAME(mux_aclk_vcodec_pre_p)	= { "aclk_vdpu", "aclk_vepu" };
 PNAME(mux_usbphy480m_p)		= { "sclk_otgphy1_480m", "sclk_otgphy2_480m",
 				    "sclk_otgphy0_480m" };
 PNAME(mux_hsicphy480m_p)	= { "cpll", "gpll", "usbphy480m_src" };
@@ -313,13 +313,13 @@ static struct rockchip_clk_branch rk3288
 	COMPOSITE_NOMUX(0, "aclk_core_mp", "armclk", CLK_IGNORE_UNUSED,
 			RK3288_CLKSEL_CON(0), 4, 4, DFLAGS | CLK_DIVIDER_READ_ONLY,
 			RK3288_CLKGATE_CON(12), 6, GFLAGS),
-	COMPOSITE_NOMUX(0, "atclk", "armclk", CLK_IGNORE_UNUSED,
+	COMPOSITE_NOMUX(0, "atclk", "armclk", 0,
 			RK3288_CLKSEL_CON(37), 4, 5, DFLAGS | CLK_DIVIDER_READ_ONLY,
 			RK3288_CLKGATE_CON(12), 7, GFLAGS),
 	COMPOSITE_NOMUX(0, "pclk_dbg_pre", "armclk", CLK_IGNORE_UNUSED,
 			RK3288_CLKSEL_CON(37), 9, 5, DFLAGS | CLK_DIVIDER_READ_ONLY,
 			RK3288_CLKGATE_CON(12), 8, GFLAGS),
-	GATE(0, "pclk_dbg", "pclk_dbg_pre", CLK_IGNORE_UNUSED,
+	GATE(0, "pclk_dbg", "pclk_dbg_pre", 0,
 			RK3288_CLKGATE_CON(12), 9, GFLAGS),
 	GATE(0, "cs_dbg", "pclk_dbg_pre", CLK_IGNORE_UNUSED,
 			RK3288_CLKGATE_CON(12), 10, GFLAGS),
@@ -420,7 +420,7 @@ static struct rockchip_clk_branch rk3288
 	COMPOSITE(0, "aclk_vdpu", mux_pll_src_cpll_gpll_usb480m_p, 0,
 			RK3288_CLKSEL_CON(32), 14, 2, MFLAGS, 8, 5, DFLAGS,
 			RK3288_CLKGATE_CON(3), 11, GFLAGS),
-	MUXGRF(0, "aclk_vcodec_pre", mux_aclk_vcodec_pre_p, 0,
+	MUXGRF(0, "aclk_vcodec_pre", mux_aclk_vcodec_pre_p, CLK_SET_RATE_PARENT,
 			RK3288_GRF_SOC_CON(0), 7, 1, MFLAGS),
 	GATE(ACLK_VCODEC, "aclk_vcodec", "aclk_vcodec_pre", 0,
 		RK3288_CLKGATE_CON(9), 0, GFLAGS),
@@ -647,7 +647,7 @@ static struct rockchip_clk_branch rk3288
 	INVERTER(SCLK_HSADC, "sclk_hsadc", "sclk_hsadc_out",
 			RK3288_CLKSEL_CON(22), 7, IFLAGS),
 
-	GATE(0, "jtag", "ext_jtag", CLK_IGNORE_UNUSED,
+	GATE(0, "jtag", "ext_jtag", 0,
 			RK3288_CLKGATE_CON(4), 14, GFLAGS),
 
 	COMPOSITE_NODIV(SCLK_USBPHY480M_SRC, "usbphy480m_src", mux_usbphy480m_p, 0,
@@ -656,7 +656,7 @@ static struct rockchip_clk_branch rk3288
 	COMPOSITE_NODIV(SCLK_HSICPHY480M, "sclk_hsicphy480m", mux_hsicphy480m_p, 0,
 			RK3288_CLKSEL_CON(29), 0, 2, MFLAGS,
 			RK3288_CLKGATE_CON(3), 6, GFLAGS),
-	GATE(0, "hsicphy12m_xin12m", "xin12m", CLK_IGNORE_UNUSED,
+	GATE(0, "hsicphy12m_xin12m", "xin12m", 0,
 			RK3288_CLKGATE_CON(13), 9, GFLAGS),
 	DIV(0, "hsicphy12m_usbphy", "sclk_hsicphy480m", 0,
 			RK3288_CLKSEL_CON(11), 8, 6, DFLAGS),
@@ -697,7 +697,7 @@ static struct rockchip_clk_branch rk3288
 	GATE(PCLK_TZPC, "pclk_tzpc", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 3, GFLAGS),
 	GATE(PCLK_UART2, "pclk_uart2", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 9, GFLAGS),
 	GATE(PCLK_EFUSE256, "pclk_efuse_256", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 10, GFLAGS),
-	GATE(PCLK_RKPWM, "pclk_rkpwm", "pclk_cpu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(11), 11, GFLAGS),
+	GATE(PCLK_RKPWM, "pclk_rkpwm", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 11, GFLAGS),
 
 	/* ddrctrl [DDR Controller PHY clock] gates */
 	GATE(0, "nclk_ddrupctl0", "ddrphy", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(11), 4, GFLAGS),
@@ -837,12 +837,9 @@ static const char *const rk3288_critical
 	"pclk_alive_niu",
 	"pclk_pd_pmu",
 	"pclk_pmu_niu",
-	"pclk_core_niu",
-	"pclk_ddrupctl0",
-	"pclk_publ0",
-	"pclk_ddrupctl1",
-	"pclk_publ1",
 	"pmu_hclk_otg0",
+	/* pwm-regulators on some boards, so handoff-critical later */
+	"pclk_rkpwm",
 };
 
 static void __iomem *rk3288_cru_base;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/clk/zynqmp/divider.c linux-libre-5.1.6-gnu/drivers/clk/zynqmp/divider.c
--- linux-libre-5.1.5-gnu/drivers/clk/zynqmp/divider.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/clk/zynqmp/divider.c	2019-05-31 09:43:59.000000000 -0400
@@ -31,12 +31,14 @@
  * struct zynqmp_clk_divider - adjustable divider clock
  * @hw:		handle between common and hardware-specific interfaces
  * @flags:	Hardware specific flags
+ * @is_frac:	The divider is a fractional divider
  * @clk_id:	Id of clock
  * @div_type:	divisor type (TYPE_DIV1 or TYPE_DIV2)
  */
 struct zynqmp_clk_divider {
 	struct clk_hw hw;
 	u8 flags;
+	bool is_frac;
 	u32 clk_id;
 	u32 div_type;
 };
@@ -116,8 +118,7 @@ static long zynqmp_clk_divider_round_rat
 
 	bestdiv = zynqmp_divider_get_val(*prate, rate);
 
-	if ((clk_hw_get_flags(hw) & CLK_SET_RATE_PARENT) &&
-	    (divider->flags & CLK_FRAC))
+	if ((clk_hw_get_flags(hw) & CLK_SET_RATE_PARENT) && divider->is_frac)
 		bestdiv = rate % *prate ? 1 : bestdiv;
 	*prate = rate * bestdiv;
 
@@ -195,11 +196,13 @@ struct clk_hw *zynqmp_clk_register_divid
 
 	init.name = name;
 	init.ops = &zynqmp_clk_divider_ops;
-	init.flags = nodes->flag;
+	/* CLK_FRAC is not defined in the common clk framework */
+	init.flags = nodes->flag & ~CLK_FRAC;
 	init.parent_names = parents;
 	init.num_parents = 1;
 
 	/* struct clk_divider assignments */
+	div->is_frac = !!(nodes->flag & CLK_FRAC);
 	div->flags = nodes->type_flag;
 	div->hw.init = &init;
 	div->clk_id = clk_id;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/cpufreq/armada-8k-cpufreq.c linux-libre-5.1.6-gnu/drivers/cpufreq/armada-8k-cpufreq.c
--- linux-libre-5.1.5-gnu/drivers/cpufreq/armada-8k-cpufreq.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/cpufreq/armada-8k-cpufreq.c	2019-05-31 09:43:59.000000000 -0400
@@ -132,6 +132,7 @@ static int __init armada_8k_cpufreq_init
 		of_node_put(node);
 		return -ENODEV;
 	}
+	of_node_put(node);
 
 	nb_cpus = num_possible_cpus();
 	freq_tables = kcalloc(nb_cpus, sizeof(*freq_tables), GFP_KERNEL);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/cpufreq/cpufreq.c linux-libre-5.1.6-gnu/drivers/cpufreq/cpufreq.c
--- linux-libre-5.1.5-gnu/drivers/cpufreq/cpufreq.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/cpufreq/cpufreq.c	2019-05-31 09:43:59.000000000 -0400
@@ -1098,6 +1098,7 @@ static struct cpufreq_policy *cpufreq_po
 				   cpufreq_global_kobject, "policy%u", cpu);
 	if (ret) {
 		pr_err("%s: failed to init policy->kobj: %d\n", __func__, ret);
+		kobject_put(&policy->kobj);
 		goto err_free_real_cpus;
 	}
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/cpufreq/cpufreq_governor.c linux-libre-5.1.6-gnu/drivers/cpufreq/cpufreq_governor.c
--- linux-libre-5.1.5-gnu/drivers/cpufreq/cpufreq_governor.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/cpufreq/cpufreq_governor.c	2019-05-31 09:43:59.000000000 -0400
@@ -459,6 +459,8 @@ int cpufreq_dbs_governor_init(struct cpu
 	/* Failure, so roll back. */
 	pr_err("initialization failed (dbs_data kobject init error %d)\n", ret);
 
+	kobject_put(&dbs_data->attr_set.kobj);
+
 	policy->governor_data = NULL;
 
 	if (!have_governor_per_policy())
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/cpufreq/imx6q-cpufreq.c linux-libre-5.1.6-gnu/drivers/cpufreq/imx6q-cpufreq.c
--- linux-libre-5.1.5-gnu/drivers/cpufreq/imx6q-cpufreq.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/cpufreq/imx6q-cpufreq.c	2019-05-31 09:43:59.000000000 -0400
@@ -388,11 +388,11 @@ static int imx6q_cpufreq_probe(struct pl
 		ret = imx6ul_opp_check_speed_grading(cpu_dev);
 		if (ret) {
 			if (ret == -EPROBE_DEFER)
-				return ret;
+				goto put_node;
 
 			dev_err(cpu_dev, "failed to read ocotp: %d\n",
 				ret);
-			return ret;
+			goto put_node;
 		}
 	} else {
 		imx6q_opp_check_speed_grading(cpu_dev);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/cpufreq/kirkwood-cpufreq.c linux-libre-5.1.6-gnu/drivers/cpufreq/kirkwood-cpufreq.c
--- linux-libre-5.1.5-gnu/drivers/cpufreq/kirkwood-cpufreq.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/cpufreq/kirkwood-cpufreq.c	2019-05-31 09:43:59.000000000 -0400
@@ -124,13 +124,14 @@ static int kirkwood_cpufreq_probe(struct
 	priv.cpu_clk = of_clk_get_by_name(np, "cpu_clk");
 	if (IS_ERR(priv.cpu_clk)) {
 		dev_err(priv.dev, "Unable to get cpuclk\n");
-		return PTR_ERR(priv.cpu_clk);
+		err = PTR_ERR(priv.cpu_clk);
+		goto out_node;
 	}
 
 	err = clk_prepare_enable(priv.cpu_clk);
 	if (err) {
 		dev_err(priv.dev, "Unable to prepare cpuclk\n");
-		return err;
+		goto out_node;
 	}
 
 	kirkwood_freq_table[0].frequency = clk_get_rate(priv.cpu_clk) / 1000;
@@ -161,20 +162,22 @@ static int kirkwood_cpufreq_probe(struct
 		goto out_ddr;
 	}
 
-	of_node_put(np);
-	np = NULL;
-
 	err = cpufreq_register_driver(&kirkwood_cpufreq_driver);
-	if (!err)
-		return 0;
+	if (err) {
+		dev_err(priv.dev, "Failed to register cpufreq driver\n");
+		goto out_powersave;
+	}
 
-	dev_err(priv.dev, "Failed to register cpufreq driver\n");
+	of_node_put(np);
+	return 0;
 
+out_powersave:
 	clk_disable_unprepare(priv.powersave_clk);
 out_ddr:
 	clk_disable_unprepare(priv.ddr_clk);
 out_cpu:
 	clk_disable_unprepare(priv.cpu_clk);
+out_node:
 	of_node_put(np);
 
 	return err;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/cpufreq/pasemi-cpufreq.c linux-libre-5.1.6-gnu/drivers/cpufreq/pasemi-cpufreq.c
--- linux-libre-5.1.5-gnu/drivers/cpufreq/pasemi-cpufreq.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/cpufreq/pasemi-cpufreq.c	2019-05-31 09:43:59.000000000 -0400
@@ -146,6 +146,7 @@ static int pas_cpufreq_cpu_init(struct c
 
 	cpu = of_get_cpu_node(policy->cpu, NULL);
 
+	of_node_put(cpu);
 	if (!cpu)
 		goto out;
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/cpufreq/pmac32-cpufreq.c linux-libre-5.1.6-gnu/drivers/cpufreq/pmac32-cpufreq.c
--- linux-libre-5.1.5-gnu/drivers/cpufreq/pmac32-cpufreq.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/cpufreq/pmac32-cpufreq.c	2019-05-31 09:43:59.000000000 -0400
@@ -552,6 +552,7 @@ static int pmac_cpufreq_init_7447A(struc
 	volt_gpio_np = of_find_node_by_name(NULL, "cpu-vcore-select");
 	if (volt_gpio_np)
 		voltage_gpio = read_gpio(volt_gpio_np);
+	of_node_put(volt_gpio_np);
 	if (!voltage_gpio){
 		pr_err("missing cpu-vcore-select gpio\n");
 		return 1;
@@ -588,6 +589,7 @@ static int pmac_cpufreq_init_750FX(struc
 	if (volt_gpio_np)
 		voltage_gpio = read_gpio(volt_gpio_np);
 
+	of_node_put(volt_gpio_np);
 	pvr = mfspr(SPRN_PVR);
 	has_cpu_l2lve = !((pvr & 0xf00) == 0x100);
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/cpufreq/ppc_cbe_cpufreq.c linux-libre-5.1.6-gnu/drivers/cpufreq/ppc_cbe_cpufreq.c
--- linux-libre-5.1.5-gnu/drivers/cpufreq/ppc_cbe_cpufreq.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/cpufreq/ppc_cbe_cpufreq.c	2019-05-31 09:43:59.000000000 -0400
@@ -86,6 +86,7 @@ static int cbe_cpufreq_cpu_init(struct c
 	if (!cbe_get_cpu_pmd_regs(policy->cpu) ||
 	    !cbe_get_cpu_mic_tm_regs(policy->cpu)) {
 		pr_info("invalid CBE regs pointers for cpufreq\n");
+		of_node_put(cpu);
 		return -EINVAL;
 	}
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/crypto/sunxi-ss/sun4i-ss-hash.c linux-libre-5.1.6-gnu/drivers/crypto/sunxi-ss/sun4i-ss-hash.c
--- linux-libre-5.1.5-gnu/drivers/crypto/sunxi-ss/sun4i-ss-hash.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/crypto/sunxi-ss/sun4i-ss-hash.c	2019-05-31 09:43:59.000000000 -0400
@@ -240,7 +240,10 @@ static int sun4i_hash(struct ahash_reque
 		}
 	} else {
 		/* Since we have the flag final, we can go up to modulo 4 */
-		end = ((areq->nbytes + op->len) / 4) * 4 - op->len;
+		if (areq->nbytes < 4)
+			end = 0;
+		else
+			end = ((areq->nbytes + op->len) / 4) * 4 - op->len;
 	}
 
 	/* TODO if SGlen % 4 and !op->len then DMA */
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/crypto/vmx/aesp8-ppc.pl linux-libre-5.1.6-gnu/drivers/crypto/vmx/aesp8-ppc.pl
--- linux-libre-5.1.5-gnu/drivers/crypto/vmx/aesp8-ppc.pl	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/crypto/vmx/aesp8-ppc.pl	2019-05-31 09:43:59.000000000 -0400
@@ -1357,7 +1357,7 @@ Loop_ctr32_enc:
 	addi		$idx,$idx,16
 	bdnz		Loop_ctr32_enc
 
-	vadduwm		$ivec,$ivec,$one
+	vadduqm		$ivec,$ivec,$one
 	 vmr		$dat,$inptail
 	 lvx		$inptail,0,$inp
 	 addi		$inp,$inp,16
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/dax/super.c linux-libre-5.1.6-gnu/drivers/dax/super.c
--- linux-libre-5.1.5-gnu/drivers/dax/super.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/dax/super.c	2019-05-31 09:43:59.000000000 -0400
@@ -73,22 +73,12 @@ struct dax_device *fs_dax_get_by_bdev(st
 EXPORT_SYMBOL_GPL(fs_dax_get_by_bdev);
 #endif
 
-/**
- * __bdev_dax_supported() - Check if the device supports dax for filesystem
- * @bdev: block device to check
- * @blocksize: The block size of the device
- *
- * This is a library function for filesystems to check if the block device
- * can be mounted with dax option.
- *
- * Return: true if supported, false if unsupported
- */
-bool __bdev_dax_supported(struct block_device *bdev, int blocksize)
+bool __generic_fsdax_supported(struct dax_device *dax_dev,
+		struct block_device *bdev, int blocksize, sector_t start,
+		sector_t sectors)
 {
-	struct dax_device *dax_dev;
 	bool dax_enabled = false;
 	pgoff_t pgoff, pgoff_end;
-	struct request_queue *q;
 	char buf[BDEVNAME_SIZE];
 	void *kaddr, *end_kaddr;
 	pfn_t pfn, end_pfn;
@@ -102,21 +92,14 @@ bool __bdev_dax_supported(struct block_d
 		return false;
 	}
 
-	q = bdev_get_queue(bdev);
-	if (!q || !blk_queue_dax(q)) {
-		pr_debug("%s: error: request queue doesn't support dax\n",
-				bdevname(bdev, buf));
-		return false;
-	}
-
-	err = bdev_dax_pgoff(bdev, 0, PAGE_SIZE, &pgoff);
+	err = bdev_dax_pgoff(bdev, start, PAGE_SIZE, &pgoff);
 	if (err) {
 		pr_debug("%s: error: unaligned partition for dax\n",
 				bdevname(bdev, buf));
 		return false;
 	}
 
-	last_page = PFN_DOWN(i_size_read(bdev->bd_inode) - 1) * 8;
+	last_page = PFN_DOWN((start + sectors - 1) * 512) * PAGE_SIZE / 512;
 	err = bdev_dax_pgoff(bdev, last_page, PAGE_SIZE, &pgoff_end);
 	if (err) {
 		pr_debug("%s: error: unaligned partition for dax\n",
@@ -124,20 +107,11 @@ bool __bdev_dax_supported(struct block_d
 		return false;
 	}
 
-	dax_dev = dax_get_by_host(bdev->bd_disk->disk_name);
-	if (!dax_dev) {
-		pr_debug("%s: error: device does not support dax\n",
-				bdevname(bdev, buf));
-		return false;
-	}
-
 	id = dax_read_lock();
 	len = dax_direct_access(dax_dev, pgoff, 1, &kaddr, &pfn);
 	len2 = dax_direct_access(dax_dev, pgoff_end, 1, &end_kaddr, &end_pfn);
 	dax_read_unlock(id);
 
-	put_dax(dax_dev);
-
 	if (len < 1 || len2 < 1) {
 		pr_debug("%s: error: dax access failed (%ld)\n",
 				bdevname(bdev, buf), len < 1 ? len : len2);
@@ -178,6 +152,49 @@ bool __bdev_dax_supported(struct block_d
 	}
 	return true;
 }
+EXPORT_SYMBOL_GPL(__generic_fsdax_supported);
+
+/**
+ * __bdev_dax_supported() - Check if the device supports dax for filesystem
+ * @bdev: block device to check
+ * @blocksize: The block size of the device
+ *
+ * This is a library function for filesystems to check if the block device
+ * can be mounted with dax option.
+ *
+ * Return: true if supported, false if unsupported
+ */
+bool __bdev_dax_supported(struct block_device *bdev, int blocksize)
+{
+	struct dax_device *dax_dev;
+	struct request_queue *q;
+	char buf[BDEVNAME_SIZE];
+	bool ret;
+	int id;
+
+	q = bdev_get_queue(bdev);
+	if (!q || !blk_queue_dax(q)) {
+		pr_debug("%s: error: request queue doesn't support dax\n",
+				bdevname(bdev, buf));
+		return false;
+	}
+
+	dax_dev = dax_get_by_host(bdev->bd_disk->disk_name);
+	if (!dax_dev) {
+		pr_debug("%s: error: device does not support dax\n",
+				bdevname(bdev, buf));
+		return false;
+	}
+
+	id = dax_read_lock();
+	ret = dax_supported(dax_dev, bdev, blocksize, 0,
+			i_size_read(bdev->bd_inode) / 512);
+	dax_read_unlock(id);
+
+	put_dax(dax_dev);
+
+	return ret;
+}
 EXPORT_SYMBOL_GPL(__bdev_dax_supported);
 #endif
 
@@ -303,6 +320,15 @@ long dax_direct_access(struct dax_device
 }
 EXPORT_SYMBOL_GPL(dax_direct_access);
 
+bool dax_supported(struct dax_device *dax_dev, struct block_device *bdev,
+		int blocksize, sector_t start, sector_t len)
+{
+	if (!dax_alive(dax_dev))
+		return false;
+
+	return dax_dev->ops->dax_supported(dax_dev, bdev, blocksize, start, len);
+}
+
 size_t dax_copy_from_iter(struct dax_device *dax_dev, pgoff_t pgoff, void *addr,
 		size_t bytes, struct iov_iter *i)
 {
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/devfreq/devfreq.c linux-libre-5.1.6-gnu/drivers/devfreq/devfreq.c
--- linux-libre-5.1.5-gnu/drivers/devfreq/devfreq.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/devfreq/devfreq.c	2019-05-31 09:43:59.000000000 -0400
@@ -228,7 +228,7 @@ static struct devfreq_governor *find_dev
  * if is not found. This can happen when both drivers (the governor driver
  * and the driver that call devfreq_add_device) are built as modules.
  * devfreq_list_lock should be held by the caller. Returns the matched
- * governor's pointer.
+ * governor's pointer or an error pointer.
  */
 static struct devfreq_governor *try_then_request_governor(const char *name)
 {
@@ -254,7 +254,7 @@ static struct devfreq_governor *try_then
 		/* Restore previous state before return */
 		mutex_lock(&devfreq_list_lock);
 		if (err)
-			return NULL;
+			return ERR_PTR(err);
 
 		governor = find_devfreq_governor(name);
 	}
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/dma/at_xdmac.c linux-libre-5.1.6-gnu/drivers/dma/at_xdmac.c
--- linux-libre-5.1.5-gnu/drivers/dma/at_xdmac.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/dma/at_xdmac.c	2019-05-31 09:43:59.000000000 -0400
@@ -1606,7 +1606,11 @@ static void at_xdmac_tasklet(unsigned lo
 					struct at_xdmac_desc,
 					xfer_node);
 		dev_vdbg(chan2dev(&atchan->chan), "%s: desc 0x%p\n", __func__, desc);
-		BUG_ON(!desc->active_xfer);
+		if (!desc->active_xfer) {
+			dev_err(chan2dev(&atchan->chan), "Xfer not active: exiting");
+			spin_unlock_bh(&atchan->lock);
+			return;
+		}
 
 		txd = &desc->tx_dma_desc;
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/dma/pl330.c linux-libre-5.1.6-gnu/drivers/dma/pl330.c
--- linux-libre-5.1.5-gnu/drivers/dma/pl330.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/dma/pl330.c	2019-05-31 09:43:59.000000000 -0400
@@ -966,6 +966,7 @@ static void _stop(struct pl330_thread *t
 {
 	void __iomem *regs = thrd->dmac->base;
 	u8 insn[6] = {0, 0, 0, 0, 0, 0};
+	u32 inten = readl(regs + INTEN);
 
 	if (_state(thrd) == PL330_STATE_FAULT_COMPLETING)
 		UNTIL(thrd, PL330_STATE_FAULTING | PL330_STATE_KILLING);
@@ -978,10 +979,13 @@ static void _stop(struct pl330_thread *t
 
 	_emit_KILL(0, insn);
 
-	/* Stop generating interrupts for SEV */
-	writel(readl(regs + INTEN) & ~(1 << thrd->ev), regs + INTEN);
-
 	_execute_DBGINSN(thrd, insn, is_manager(thrd));
+
+	/* clear the event */
+	if (inten & (1 << thrd->ev))
+		writel(1 << thrd->ev, regs + INTCLR);
+	/* Stop generating interrupts for SEV */
+	writel(inten & ~(1 << thrd->ev), regs + INTEN);
 }
 
 /* Start doing req 'idx' of thread 'thrd' */
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/dma/tegra210-adma.c linux-libre-5.1.6-gnu/drivers/dma/tegra210-adma.c
--- linux-libre-5.1.5-gnu/drivers/dma/tegra210-adma.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/dma/tegra210-adma.c	2019-05-31 09:43:59.000000000 -0400
@@ -22,7 +22,6 @@
 #include <linux/of_device.h>
 #include <linux/of_dma.h>
 #include <linux/of_irq.h>
-#include <linux/pm_clock.h>
 #include <linux/pm_runtime.h>
 #include <linux/slab.h>
 
@@ -141,6 +140,7 @@ struct tegra_adma {
 	struct dma_device		dma_dev;
 	struct device			*dev;
 	void __iomem			*base_addr;
+	struct clk			*ahub_clk;
 	unsigned int			nr_channels;
 	unsigned long			rx_requests_reserved;
 	unsigned long			tx_requests_reserved;
@@ -637,8 +637,9 @@ static int tegra_adma_runtime_suspend(st
 	struct tegra_adma *tdma = dev_get_drvdata(dev);
 
 	tdma->global_cmd = tdma_read(tdma, ADMA_GLOBAL_CMD);
+	clk_disable_unprepare(tdma->ahub_clk);
 
-	return pm_clk_suspend(dev);
+	return 0;
 }
 
 static int tegra_adma_runtime_resume(struct device *dev)
@@ -646,10 +647,11 @@ static int tegra_adma_runtime_resume(str
 	struct tegra_adma *tdma = dev_get_drvdata(dev);
 	int ret;
 
-	ret = pm_clk_resume(dev);
-	if (ret)
+	ret = clk_prepare_enable(tdma->ahub_clk);
+	if (ret) {
+		dev_err(dev, "ahub clk_enable failed: %d\n", ret);
 		return ret;
-
+	}
 	tdma_write(tdma, ADMA_GLOBAL_CMD, tdma->global_cmd);
 
 	return 0;
@@ -693,13 +695,11 @@ static int tegra_adma_probe(struct platf
 	if (IS_ERR(tdma->base_addr))
 		return PTR_ERR(tdma->base_addr);
 
-	ret = pm_clk_create(&pdev->dev);
-	if (ret)
-		return ret;
-
-	ret = of_pm_clk_add_clk(&pdev->dev, "d_audio");
-	if (ret)
-		goto clk_destroy;
+	tdma->ahub_clk = devm_clk_get(&pdev->dev, "d_audio");
+	if (IS_ERR(tdma->ahub_clk)) {
+		dev_err(&pdev->dev, "Error: Missing ahub controller clock\n");
+		return PTR_ERR(tdma->ahub_clk);
+	}
 
 	pm_runtime_enable(&pdev->dev);
 
@@ -776,8 +776,6 @@ rpm_put:
 	pm_runtime_put_sync(&pdev->dev);
 rpm_disable:
 	pm_runtime_disable(&pdev->dev);
-clk_destroy:
-	pm_clk_destroy(&pdev->dev);
 
 	return ret;
 }
@@ -787,6 +785,7 @@ static int tegra_adma_remove(struct plat
 	struct tegra_adma *tdma = platform_get_drvdata(pdev);
 	int i;
 
+	of_dma_controller_free(pdev->dev.of_node);
 	dma_async_device_unregister(&tdma->dma_dev);
 
 	for (i = 0; i < tdma->nr_channels; ++i)
@@ -794,7 +793,6 @@ static int tegra_adma_remove(struct plat
 
 	pm_runtime_put_sync(&pdev->dev);
 	pm_runtime_disable(&pdev->dev);
-	pm_clk_destroy(&pdev->dev);
 
 	return 0;
 }
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/extcon/extcon-arizona.c linux-libre-5.1.6-gnu/drivers/extcon/extcon-arizona.c
--- linux-libre-5.1.5-gnu/drivers/extcon/extcon-arizona.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/extcon/extcon-arizona.c	2019-05-31 09:43:59.000000000 -0400
@@ -1726,6 +1726,16 @@ static int arizona_extcon_remove(struct
 	struct arizona_extcon_info *info = platform_get_drvdata(pdev);
 	struct arizona *arizona = info->arizona;
 	int jack_irq_rise, jack_irq_fall;
+	bool change;
+
+	regmap_update_bits_check(arizona->regmap, ARIZONA_MIC_DETECT_1,
+				 ARIZONA_MICD_ENA, 0,
+				 &change);
+
+	if (change) {
+		regulator_disable(info->micvdd);
+		pm_runtime_put(info->dev);
+	}
 
 	gpiod_put(info->micd_pol_gpio);
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/extcon/Kconfig linux-libre-5.1.6-gnu/drivers/extcon/Kconfig
--- linux-libre-5.1.5-gnu/drivers/extcon/Kconfig	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/extcon/Kconfig	2019-05-31 09:43:59.000000000 -0400
@@ -30,7 +30,7 @@ config EXTCON_ARIZONA
 
 config EXTCON_AXP288
 	tristate "X-Power AXP288 EXTCON support"
-	depends on MFD_AXP20X && USB_SUPPORT && X86
+	depends on MFD_AXP20X && USB_SUPPORT && X86 && ACPI
 	select USB_ROLE_SWITCH
 	help
 	  Say Y here to enable support for USB peripheral detection
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c linux-libre-5.1.6-gnu/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
--- linux-libre-5.1.5-gnu/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c	2019-05-31 09:43:59.000000000 -0400
@@ -136,8 +136,9 @@ int amdgpu_fence_emit(struct amdgpu_ring
 {
 	struct amdgpu_device *adev = ring->adev;
 	struct amdgpu_fence *fence;
-	struct dma_fence *old, **ptr;
+	struct dma_fence __rcu **ptr;
 	uint32_t seq;
+	int r;
 
 	fence = kmem_cache_alloc(amdgpu_fence_slab, GFP_KERNEL);
 	if (fence == NULL)
@@ -153,15 +154,24 @@ int amdgpu_fence_emit(struct amdgpu_ring
 			       seq, flags | AMDGPU_FENCE_FLAG_INT);
 
 	ptr = &ring->fence_drv.fences[seq & ring->fence_drv.num_fences_mask];
+	if (unlikely(rcu_dereference_protected(*ptr, 1))) {
+		struct dma_fence *old;
+
+		rcu_read_lock();
+		old = dma_fence_get_rcu_safe(ptr);
+		rcu_read_unlock();
+
+		if (old) {
+			r = dma_fence_wait(old, false);
+			dma_fence_put(old);
+			if (r)
+				return r;
+		}
+	}
+
 	/* This function can't be called concurrently anyway, otherwise
 	 * emitting the fence would mess up the hardware ring buffer.
 	 */
-	old = rcu_dereference_protected(*ptr, 1);
-	if (old && !dma_fence_is_signaled(old)) {
-		DRM_INFO("rcu slot is busy\n");
-		dma_fence_wait(old, false);
-	}
-
 	rcu_assign_pointer(*ptr, dma_fence_get(&fence->base));
 
 	*f = &fence->base;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/gpu/drm/amd/amdgpu/Makefile linux-libre-5.1.6-gnu/drivers/gpu/drm/amd/amdgpu/Makefile
--- linux-libre-5.1.5-gnu/drivers/gpu/drm/amd/amdgpu/Makefile	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/gpu/drm/amd/amdgpu/Makefile	2019-05-31 09:43:59.000000000 -0400
@@ -23,7 +23,7 @@
 # Makefile for the drm device driver.  This driver provides support for the
 # Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
 
-FULL_AMD_PATH=$(src)/..
+FULL_AMD_PATH=$(srctree)/$(src)/..
 DISPLAY_FOLDER_NAME=display
 FULL_AMD_DISPLAY_PATH = $(FULL_AMD_PATH)/$(DISPLAY_FOLDER_NAME)
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c linux-libre-5.1.6-gnu/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
--- linux-libre-5.1.5-gnu/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c	2019-05-25 21:14:12.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c	2019-05-31 15:05:58.000000000 -0400
@@ -3587,6 +3587,8 @@ static void dm_drm_plane_reset(struct dr
 		plane->state = &amdgpu_state->base;
 		plane->state->plane = plane;
 		plane->state->rotation = DRM_MODE_ROTATE_0;
+		plane->state->alpha = DRM_BLEND_ALPHA_OPAQUE;
+		plane->state->pixel_blend_mode = DRM_MODE_BLEND_PREMULTI;
 	}
 }
 
@@ -4953,8 +4955,7 @@ cleanup:
 static void amdgpu_dm_crtc_copy_transient_flags(struct drm_crtc_state *crtc_state,
 						struct dc_stream_state *stream_state)
 {
-	stream_state->mode_changed =
-		crtc_state->mode_changed || crtc_state->active_changed;
+	stream_state->mode_changed = drm_atomic_crtc_needs_modeset(crtc_state);
 }
 
 static int amdgpu_dm_atomic_commit(struct drm_device *dev,
@@ -5661,6 +5662,9 @@ skip_modeset:
 		update_stream_scaling_settings(
 			&new_crtc_state->mode, dm_new_conn_state, dm_new_crtc_state->stream);
 
+	/* ABM settings */
+	dm_new_crtc_state->abm_level = dm_new_conn_state->abm_level;
+
 	/*
 	 * Color management settings. We also update color properties
 	 * when a modeset is needed, to ensure it gets reprogrammed.
@@ -5858,7 +5862,9 @@ dm_determine_update_type_for_commit(stru
 	}
 
 	for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
-		struct dc_stream_update stream_update = { 0 };
+		struct dc_stream_update stream_update;
+
+		memset(&stream_update, 0, sizeof(stream_update));
 
 		new_dm_crtc_state = to_dm_crtc_state(new_crtc_state);
 		old_dm_crtc_state = to_dm_crtc_state(old_crtc_state);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/gpu/drm/amd/display/dc/core/dc.c linux-libre-5.1.6-gnu/drivers/gpu/drm/amd/display/dc/core/dc.c
--- linux-libre-5.1.5-gnu/drivers/gpu/drm/amd/display/dc/core/dc.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/gpu/drm/amd/display/dc/core/dc.c	2019-05-31 09:43:59.000000000 -0400
@@ -524,6 +524,14 @@ void dc_link_set_preferred_link_settings
 	struct dc_stream_state *link_stream;
 	struct dc_link_settings store_settings = *link_setting;
 
+	link->preferred_link_setting = store_settings;
+
+	/* Retrain with preferred link settings only relevant for
+	 * DP signal type
+	 */
+	if (!dc_is_dp_signal(link->connector_signal))
+		return;
+
 	for (i = 0; i < MAX_PIPES; i++) {
 		pipe = &dc->current_state->res_ctx.pipe_ctx[i];
 		if (pipe->stream && pipe->stream->link) {
@@ -538,7 +546,10 @@ void dc_link_set_preferred_link_settings
 
 	link_stream = link->dc->current_state->res_ctx.pipe_ctx[i].stream;
 
-	link->preferred_link_setting = store_settings;
+	/* Cannot retrain link if backend is off */
+	if (link_stream->dpms_off)
+		return;
+
 	if (link_stream)
 		decide_link_settings(link_stream, &store_settings);
 
@@ -1666,6 +1677,7 @@ static void commit_planes_do_stream_upda
 				continue;
 
 			if (stream_update->dpms_off) {
+				dc->hwss.pipe_control_lock(dc, pipe_ctx, true);
 				if (*stream_update->dpms_off) {
 					core_link_disable_stream(pipe_ctx, KEEP_ACQUIRED_RESOURCE);
 					dc->hwss.optimize_bandwidth(dc, dc->current_state);
@@ -1673,6 +1685,7 @@ static void commit_planes_do_stream_upda
 					dc->hwss.prepare_bandwidth(dc, dc->current_state);
 					core_link_enable_stream(dc->current_state, pipe_ctx);
 				}
+				dc->hwss.pipe_control_lock(dc, pipe_ctx, false);
 			}
 
 			if (stream_update->abm_level && pipe_ctx->stream_res.abm) {
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/gpu/drm/amd/display/dc/core/dc_link.c linux-libre-5.1.6-gnu/drivers/gpu/drm/amd/display/dc/core/dc_link.c
--- linux-libre-5.1.5-gnu/drivers/gpu/drm/amd/display/dc/core/dc_link.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/gpu/drm/amd/display/dc/core/dc_link.c	2019-05-31 09:43:59.000000000 -0400
@@ -2074,11 +2074,28 @@ static void disable_link(struct dc_link
 	}
 }
 
+static uint32_t get_timing_pixel_clock_100hz(const struct dc_crtc_timing *timing)
+{
+
+	uint32_t pxl_clk = timing->pix_clk_100hz;
+
+	if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR420)
+		pxl_clk /= 2;
+	else if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR422)
+		pxl_clk = pxl_clk * 2 / 3;
+
+	if (timing->display_color_depth == COLOR_DEPTH_101010)
+		pxl_clk = pxl_clk * 10 / 8;
+	else if (timing->display_color_depth == COLOR_DEPTH_121212)
+		pxl_clk = pxl_clk * 12 / 8;
+
+	return pxl_clk;
+}
+
 static bool dp_active_dongle_validate_timing(
 		const struct dc_crtc_timing *timing,
 		const struct dpcd_caps *dpcd_caps)
 {
-	unsigned int required_pix_clk_100hz = timing->pix_clk_100hz;
 	const struct dc_dongle_caps *dongle_caps = &dpcd_caps->dongle_caps;
 
 	switch (dpcd_caps->dongle_type) {
@@ -2115,13 +2132,6 @@ static bool dp_active_dongle_validate_ti
 		return false;
 	}
 
-
-	/* Check Color Depth and Pixel Clock */
-	if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR420)
-		required_pix_clk_100hz /= 2;
-	else if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR422)
-		required_pix_clk_100hz = required_pix_clk_100hz * 2 / 3;
-
 	switch (timing->display_color_depth) {
 	case COLOR_DEPTH_666:
 	case COLOR_DEPTH_888:
@@ -2130,14 +2140,11 @@ static bool dp_active_dongle_validate_ti
 	case COLOR_DEPTH_101010:
 		if (dongle_caps->dp_hdmi_max_bpc < 10)
 			return false;
-		required_pix_clk_100hz = required_pix_clk_100hz * 10 / 8;
 		break;
 	case COLOR_DEPTH_121212:
 		if (dongle_caps->dp_hdmi_max_bpc < 12)
 			return false;
-		required_pix_clk_100hz = required_pix_clk_100hz * 12 / 8;
 		break;
-
 	case COLOR_DEPTH_141414:
 	case COLOR_DEPTH_161616:
 	default:
@@ -2145,7 +2152,7 @@ static bool dp_active_dongle_validate_ti
 		return false;
 	}
 
-	if (required_pix_clk_100hz > (dongle_caps->dp_hdmi_max_pixel_clk * 10))
+	if (get_timing_pixel_clock_100hz(timing) > (dongle_caps->dp_hdmi_max_pixel_clk * 10))
 		return false;
 
 	return true;
@@ -2166,7 +2173,7 @@ enum dc_status dc_link_validate_mode_tim
 		return DC_OK;
 
 	/* Passive Dongle */
-	if (0 != max_pix_clk && timing->pix_clk_100hz > max_pix_clk)
+	if (max_pix_clk != 0 && get_timing_pixel_clock_100hz(timing) > max_pix_clk)
 		return DC_EXCEED_DONGLE_CAP;
 
 	/* Active Dongle*/
@@ -2316,7 +2323,7 @@ static struct fixed31_32 get_pbn_from_ti
 	uint32_t denominator;
 
 	bpc = get_color_depth(pipe_ctx->stream_res.pix_clk_params.color_depth);
-	kbps = pipe_ctx->stream_res.pix_clk_params.requested_pix_clk_100hz / 10 * bpc * 3;
+	kbps = dc_bandwidth_in_kbps_from_timing(&pipe_ctx->stream->timing);
 
 	/*
 	 * margin 5300ppm + 300ppm ~ 0.6% as per spec, factor is 1.006
@@ -2736,3 +2743,49 @@ void dc_link_enable_hpd_filter(struct dc
 	}
 }
 
+uint32_t dc_bandwidth_in_kbps_from_timing(
+	const struct dc_crtc_timing *timing)
+{
+	uint32_t bits_per_channel = 0;
+	uint32_t kbps;
+
+	switch (timing->display_color_depth) {
+	case COLOR_DEPTH_666:
+		bits_per_channel = 6;
+		break;
+	case COLOR_DEPTH_888:
+		bits_per_channel = 8;
+		break;
+	case COLOR_DEPTH_101010:
+		bits_per_channel = 10;
+		break;
+	case COLOR_DEPTH_121212:
+		bits_per_channel = 12;
+		break;
+	case COLOR_DEPTH_141414:
+		bits_per_channel = 14;
+		break;
+	case COLOR_DEPTH_161616:
+		bits_per_channel = 16;
+		break;
+	default:
+		break;
+	}
+
+	ASSERT(bits_per_channel != 0);
+
+	kbps = timing->pix_clk_100hz / 10;
+	kbps *= bits_per_channel;
+
+	if (timing->flags.Y_ONLY != 1) {
+		/*Only YOnly make reduce bandwidth by 1/3 compares to RGB*/
+		kbps *= 3;
+		if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR420)
+			kbps /= 2;
+		else if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR422)
+			kbps = kbps * 2 / 3;
+	}
+
+	return kbps;
+
+}
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c linux-libre-5.1.6-gnu/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
--- linux-libre-5.1.5-gnu/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c	2019-05-31 09:43:59.000000000 -0400
@@ -1520,53 +1520,6 @@ static bool decide_fallback_link_setting
 	return true;
 }
 
-static uint32_t bandwidth_in_kbps_from_timing(
-	const struct dc_crtc_timing *timing)
-{
-	uint32_t bits_per_channel = 0;
-	uint32_t kbps;
-
-	switch (timing->display_color_depth) {
-	case COLOR_DEPTH_666:
-		bits_per_channel = 6;
-		break;
-	case COLOR_DEPTH_888:
-		bits_per_channel = 8;
-		break;
-	case COLOR_DEPTH_101010:
-		bits_per_channel = 10;
-		break;
-	case COLOR_DEPTH_121212:
-		bits_per_channel = 12;
-		break;
-	case COLOR_DEPTH_141414:
-		bits_per_channel = 14;
-		break;
-	case COLOR_DEPTH_161616:
-		bits_per_channel = 16;
-		break;
-	default:
-		break;
-	}
-
-	ASSERT(bits_per_channel != 0);
-
-	kbps = timing->pix_clk_100hz / 10;
-	kbps *= bits_per_channel;
-
-	if (timing->flags.Y_ONLY != 1) {
-		/*Only YOnly make reduce bandwidth by 1/3 compares to RGB*/
-		kbps *= 3;
-		if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR420)
-			kbps /= 2;
-		else if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR422)
-			kbps = kbps * 2 / 3;
-	}
-
-	return kbps;
-
-}
-
 static uint32_t bandwidth_in_kbps_from_link_settings(
 	const struct dc_link_settings *link_setting)
 {
@@ -1607,7 +1560,7 @@ bool dp_validate_mode_timing(
 		link_setting = &link->verified_link_cap;
 	*/
 
-	req_bw = bandwidth_in_kbps_from_timing(timing);
+	req_bw = dc_bandwidth_in_kbps_from_timing(timing);
 	max_bw = bandwidth_in_kbps_from_link_settings(link_setting);
 
 	if (req_bw <= max_bw) {
@@ -1641,7 +1594,7 @@ void decide_link_settings(struct dc_stre
 	uint32_t req_bw;
 	uint32_t link_bw;
 
-	req_bw = bandwidth_in_kbps_from_timing(&stream->timing);
+	req_bw = dc_bandwidth_in_kbps_from_timing(&stream->timing);
 
 	link = stream->link;
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/gpu/drm/amd/display/dc/core/dc_resource.c linux-libre-5.1.6-gnu/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
--- linux-libre-5.1.5-gnu/drivers/gpu/drm/amd/display/dc/core/dc_resource.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/gpu/drm/amd/display/dc/core/dc_resource.c	2019-05-31 09:43:59.000000000 -0400
@@ -1266,10 +1266,12 @@ bool dc_remove_plane_from_context(
 			 * For head pipe detach surfaces from pipe for tail
 			 * pipe just zero it out
 			 */
-			if (!pipe_ctx->top_pipe) {
+			if (!pipe_ctx->top_pipe ||
+				(!pipe_ctx->top_pipe->top_pipe &&
+					pipe_ctx->top_pipe->stream_res.opp != pipe_ctx->stream_res.opp)) {
 				pipe_ctx->plane_state = NULL;
 				pipe_ctx->bottom_pipe = NULL;
-			} else  {
+			} else {
 				memset(pipe_ctx, 0, sizeof(*pipe_ctx));
 			}
 		}
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c linux-libre-5.1.6-gnu/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c
--- linux-libre-5.1.5-gnu/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c	2019-05-31 09:43:59.000000000 -0400
@@ -377,7 +377,6 @@ static bool acquire(
 	struct dce_aux *engine,
 	struct ddc *ddc)
 {
-
 	enum gpio_result result;
 
 	if (!is_engine_available(engine))
@@ -458,7 +457,8 @@ int dce_aux_transfer(struct ddc_service
 	memset(&aux_rep, 0, sizeof(aux_rep));
 
 	aux_engine = ddc->ctx->dc->res_pool->engines[ddc_pin->pin_data->en];
-	acquire(aux_engine, ddc_pin);
+	if (!acquire(aux_engine, ddc_pin))
+		return -1;
 
 	if (payload->i2c_over_aux)
 		aux_req.type = AUX_TRANSACTION_TYPE_I2C;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/gpu/drm/amd/display/dc/dc_link.h linux-libre-5.1.6-gnu/drivers/gpu/drm/amd/display/dc/dc_link.h
--- linux-libre-5.1.5-gnu/drivers/gpu/drm/amd/display/dc/dc_link.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/gpu/drm/amd/display/dc/dc_link.h	2019-05-31 09:43:59.000000000 -0400
@@ -252,4 +252,6 @@ bool dc_submit_i2c(
 		uint32_t link_index,
 		struct i2c_command *cmd);
 
+uint32_t dc_bandwidth_in_kbps_from_timing(
+	const struct dc_crtc_timing *timing);
 #endif /* DC_LINK_H_ */
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c linux-libre-5.1.6-gnu/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c
--- linux-libre-5.1.5-gnu/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c	2019-05-31 09:43:59.000000000 -0400
@@ -406,15 +406,25 @@ void dpp1_dscl_calc_lb_num_partitions(
 		int *num_part_y,
 		int *num_part_c)
 {
+	int lb_memory_size, lb_memory_size_c, lb_memory_size_a, num_partitions_a,
+	lb_bpc, memory_line_size_y, memory_line_size_c, memory_line_size_a;
+
 	int line_size = scl_data->viewport.width < scl_data->recout.width ?
 			scl_data->viewport.width : scl_data->recout.width;
 	int line_size_c = scl_data->viewport_c.width < scl_data->recout.width ?
 			scl_data->viewport_c.width : scl_data->recout.width;
-	int lb_bpc = dpp1_dscl_get_lb_depth_bpc(scl_data->lb_params.depth);
-	int memory_line_size_y = (line_size * lb_bpc + 71) / 72; /* +71 to ceil */
-	int memory_line_size_c = (line_size_c * lb_bpc + 71) / 72; /* +71 to ceil */
-	int memory_line_size_a = (line_size + 5) / 6; /* +5 to ceil */
-	int lb_memory_size, lb_memory_size_c, lb_memory_size_a, num_partitions_a;
+
+	if (line_size == 0)
+		line_size = 1;
+
+	if (line_size_c == 0)
+		line_size_c = 1;
+
+
+	lb_bpc = dpp1_dscl_get_lb_depth_bpc(scl_data->lb_params.depth);
+	memory_line_size_y = (line_size * lb_bpc + 71) / 72; /* +71 to ceil */
+	memory_line_size_c = (line_size_c * lb_bpc + 71) / 72; /* +71 to ceil */
+	memory_line_size_a = (line_size + 5) / 6; /* +5 to ceil */
 
 	if (lb_config == LB_MEMORY_CONFIG_1) {
 		lb_memory_size = 816;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c linux-libre-5.1.6-gnu/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
--- linux-libre-5.1.5-gnu/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c	2019-05-31 09:43:59.000000000 -0400
@@ -1008,9 +1008,14 @@ static void dcn10_init_pipes(struct dc *
 		 * to non-preferred front end. If pipe_ctx->stream is not NULL,
 		 * we will use the pipe, so don't disable
 		 */
-		if (pipe_ctx->stream != NULL)
+		if (pipe_ctx->stream != NULL &&
+		    pipe_ctx->stream_res.tg->funcs->is_tg_enabled(
+			    pipe_ctx->stream_res.tg))
 			continue;
 
+		/* Disable on the current state so the new one isn't cleared. */
+		pipe_ctx = &dc->current_state->res_ctx.pipe_ctx[i];
+
 		dpp->funcs->dpp_reset(dpp);
 
 		pipe_ctx->stream_res.tg = tg;
@@ -2692,9 +2697,15 @@ static void dcn10_set_cursor_position(st
 		.rotation = pipe_ctx->plane_state->rotation,
 		.mirror = pipe_ctx->plane_state->horizontal_mirror
 	};
+	uint32_t x_plane = pipe_ctx->plane_state->dst_rect.x;
+	uint32_t y_plane = pipe_ctx->plane_state->dst_rect.y;
+	uint32_t x_offset = min(x_plane, pos_cpy.x);
+	uint32_t y_offset = min(y_plane, pos_cpy.y);
 
-	pos_cpy.x_hotspot += pipe_ctx->plane_state->dst_rect.x;
-	pos_cpy.y_hotspot += pipe_ctx->plane_state->dst_rect.y;
+	pos_cpy.x -= x_offset;
+	pos_cpy.y -= y_offset;
+	pos_cpy.x_hotspot += (x_plane - x_offset);
+	pos_cpy.y_hotspot += (y_plane - y_offset);
 
 	if (pipe_ctx->plane_state->address.type
 			== PLN_ADDR_TYPE_VIDEO_PROGRESSIVE)
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/gpu/drm/amd/display/modules/color/color_gamma.c linux-libre-5.1.6-gnu/drivers/gpu/drm/amd/display/modules/color/color_gamma.c
--- linux-libre-5.1.5-gnu/drivers/gpu/drm/amd/display/modules/color/color_gamma.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/gpu/drm/amd/display/modules/color/color_gamma.c	2019-05-31 09:43:59.000000000 -0400
@@ -1854,6 +1854,8 @@ bool mod_color_calculate_degamma_params(
 			coordinates_x, axis_x, curve,
 			MAX_HW_POINTS, tf_pts,
 			mapUserRamp && ramp && ramp->type == GAMMA_RGB_256);
+	if (ramp->type == GAMMA_CUSTOM)
+		apply_lut_1d(ramp, MAX_HW_POINTS, tf_pts);
 
 	ret = true;
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/gpu/drm/arm/display/komeda/Makefile linux-libre-5.1.6-gnu/drivers/gpu/drm/arm/display/komeda/Makefile
--- linux-libre-5.1.5-gnu/drivers/gpu/drm/arm/display/komeda/Makefile	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/gpu/drm/arm/display/komeda/Makefile	2019-05-31 09:43:59.000000000 -0400
@@ -1,8 +1,8 @@
 # SPDX-License-Identifier: GPL-2.0
 
 ccflags-y := \
-	-I$(src)/../include \
-	-I$(src)
+	-I $(srctree)/$(src)/../include \
+	-I $(srctree)/$(src)
 
 komeda-y := \
 	komeda_drv.o \
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/gpu/drm/drm_atomic_state_helper.c linux-libre-5.1.6-gnu/drivers/gpu/drm/drm_atomic_state_helper.c
--- linux-libre-5.1.5-gnu/drivers/gpu/drm/drm_atomic_state_helper.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/gpu/drm/drm_atomic_state_helper.c	2019-05-31 09:43:59.000000000 -0400
@@ -30,6 +30,7 @@
 #include <drm/drm_connector.h>
 #include <drm/drm_atomic.h>
 #include <drm/drm_device.h>
+#include <drm/drm_writeback.h>
 
 #include <linux/slab.h>
 #include <linux/dma-fence.h>
@@ -412,6 +413,9 @@ __drm_atomic_helper_connector_destroy_st
 
 	if (state->commit)
 		drm_crtc_commit_put(state->commit);
+
+	if (state->writeback_job)
+		drm_writeback_cleanup_job(state->writeback_job);
 }
 EXPORT_SYMBOL(__drm_atomic_helper_connector_destroy_state);
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/gpu/drm/drm_drv.c linux-libre-5.1.6-gnu/drivers/gpu/drm/drm_drv.c
--- linux-libre-5.1.5-gnu/drivers/gpu/drm/drm_drv.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/gpu/drm/drm_drv.c	2019-05-31 09:43:59.000000000 -0400
@@ -497,7 +497,7 @@ int drm_dev_init(struct drm_device *dev,
 	BUG_ON(!parent);
 
 	kref_init(&dev->ref);
-	dev->dev = parent;
+	dev->dev = get_device(parent);
 	dev->driver = driver;
 
 	/* no per-device feature limits by default */
@@ -567,6 +567,7 @@ err_minors:
 	drm_minor_free(dev, DRM_MINOR_RENDER);
 	drm_fs_inode_free(dev->anon_inode);
 err_free:
+	put_device(dev->dev);
 	mutex_destroy(&dev->master_mutex);
 	mutex_destroy(&dev->ctxlist_mutex);
 	mutex_destroy(&dev->clientlist_mutex);
@@ -602,6 +603,8 @@ void drm_dev_fini(struct drm_device *dev
 	drm_minor_free(dev, DRM_MINOR_PRIMARY);
 	drm_minor_free(dev, DRM_MINOR_RENDER);
 
+	put_device(dev->dev);
+
 	mutex_destroy(&dev->master_mutex);
 	mutex_destroy(&dev->ctxlist_mutex);
 	mutex_destroy(&dev->clientlist_mutex);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/gpu/drm/drm_file.c linux-libre-5.1.6-gnu/drivers/gpu/drm/drm_file.c
--- linux-libre-5.1.5-gnu/drivers/gpu/drm/drm_file.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/gpu/drm/drm_file.c	2019-05-31 09:43:59.000000000 -0400
@@ -577,6 +577,7 @@ put_back_event:
 				file_priv->event_space -= length;
 				list_add(&e->link, &file_priv->event_list);
 				spin_unlock_irq(&dev->event_lock);
+				wake_up_interruptible(&file_priv->event_wait);
 				break;
 			}
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/gpu/drm/drm_writeback.c linux-libre-5.1.6-gnu/drivers/gpu/drm/drm_writeback.c
--- linux-libre-5.1.5-gnu/drivers/gpu/drm/drm_writeback.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/gpu/drm/drm_writeback.c	2019-05-31 09:43:59.000000000 -0400
@@ -268,6 +268,15 @@ void drm_writeback_queue_job(struct drm_
 }
 EXPORT_SYMBOL(drm_writeback_queue_job);
 
+void drm_writeback_cleanup_job(struct drm_writeback_job *job)
+{
+	if (job->fb)
+		drm_framebuffer_put(job->fb);
+
+	kfree(job);
+}
+EXPORT_SYMBOL(drm_writeback_cleanup_job);
+
 /*
  * @cleanup_work: deferred cleanup of a writeback job
  *
@@ -280,10 +289,9 @@ static void cleanup_work(struct work_str
 	struct drm_writeback_job *job = container_of(work,
 						     struct drm_writeback_job,
 						     cleanup_work);
-	drm_framebuffer_put(job->fb);
-	kfree(job);
-}
 
+	drm_writeback_cleanup_job(job);
+}
 
 /**
  * drm_writeback_signal_completion - Signal the completion of a writeback job
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/gpu/drm/etnaviv/etnaviv_drv.c linux-libre-5.1.6-gnu/drivers/gpu/drm/etnaviv/etnaviv_drv.c
--- linux-libre-5.1.5-gnu/drivers/gpu/drm/etnaviv/etnaviv_drv.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/gpu/drm/etnaviv/etnaviv_drv.c	2019-05-31 09:43:59.000000000 -0400
@@ -515,6 +515,9 @@ static int etnaviv_bind(struct device *d
 	}
 	drm->dev_private = priv;
 
+	dev->dma_parms = &priv->dma_parms;
+	dma_set_max_seg_size(dev, SZ_2G);
+
 	mutex_init(&priv->gem_lock);
 	INIT_LIST_HEAD(&priv->gem_list);
 	priv->num_gpus = 0;
@@ -552,6 +555,8 @@ static void etnaviv_unbind(struct device
 
 	component_unbind_all(dev, drm);
 
+	dev->dma_parms = NULL;
+
 	drm->dev_private = NULL;
 	kfree(priv);
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/gpu/drm/etnaviv/etnaviv_drv.h linux-libre-5.1.6-gnu/drivers/gpu/drm/etnaviv/etnaviv_drv.h
--- linux-libre-5.1.5-gnu/drivers/gpu/drm/etnaviv/etnaviv_drv.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/gpu/drm/etnaviv/etnaviv_drv.h	2019-05-31 09:43:59.000000000 -0400
@@ -42,6 +42,7 @@ struct etnaviv_file_private {
 
 struct etnaviv_drm_private {
 	int num_gpus;
+	struct device_dma_parameters dma_parms;
 	struct etnaviv_gpu *gpu[ETNA_MAX_PIPES];
 
 	/* list of GEM objects: */
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/gpu/drm/i915/gvt/Makefile linux-libre-5.1.6-gnu/drivers/gpu/drm/i915/gvt/Makefile
--- linux-libre-5.1.5-gnu/drivers/gpu/drm/i915/gvt/Makefile	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/gpu/drm/i915/gvt/Makefile	2019-05-31 09:43:59.000000000 -0400
@@ -5,5 +5,5 @@ GVT_SOURCE := gvt.o aperture_gm.o handle
 	execlist.o scheduler.o sched_policy.o mmio_context.o cmd_parser.o debugfs.o \
 	fb_decoder.o dmabuf.o page_track.o
 
-ccflags-y				+= -I$(src) -I$(src)/$(GVT_DIR)
+ccflags-y				+= -I $(srctree)/$(src) -I $(srctree)/$(src)/$(GVT_DIR)/
 i915-y					+= $(addprefix $(GVT_DIR)/, $(GVT_SOURCE))
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/gpu/drm/msm/adreno/a5xx_gpu.c linux-libre-5.1.6-gnu/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
--- linux-libre-5.1.5-gnu/drivers/gpu/drm/msm/adreno/a5xx_gpu.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/gpu/drm/msm/adreno/a5xx_gpu.c	2019-05-31 09:43:59.000000000 -0400
@@ -34,7 +34,7 @@ static int zap_shader_load_mdt(struct ms
 {
 	struct device *dev = &gpu->pdev->dev;
 	const struct firmware *fw;
-	struct device_node *np;
+	struct device_node *np, *mem_np;
 	struct resource r;
 	phys_addr_t mem_phys;
 	ssize_t mem_size;
@@ -48,11 +48,13 @@ static int zap_shader_load_mdt(struct ms
 	if (!np)
 		return -ENODEV;
 
-	np = of_parse_phandle(np, "memory-region", 0);
-	if (!np)
+	mem_np = of_parse_phandle(np, "memory-region", 0);
+	of_node_put(np);
+	if (!mem_np)
 		return -EINVAL;
 
-	ret = of_address_to_resource(np, 0, &r);
+	ret = of_address_to_resource(mem_np, 0, &r);
+	of_node_put(mem_np);
 	if (ret)
 		return ret;
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c linux-libre-5.1.6-gnu/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
--- linux-libre-5.1.5-gnu/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c	2019-05-31 09:43:59.000000000 -0400
@@ -1023,13 +1023,13 @@ static void dpu_encoder_virt_mode_set(st
 			if (!dpu_enc->hw_pp[i]) {
 				DPU_ERROR_ENC(dpu_enc, "no pp block assigned"
 					     "at idx: %d\n", i);
-				return;
+				goto error;
 			}
 
 			if (!hw_ctl[i]) {
 				DPU_ERROR_ENC(dpu_enc, "no ctl block assigned"
 					     "at idx: %d\n", i);
-				return;
+				goto error;
 			}
 
 			phys->hw_pp = dpu_enc->hw_pp[i];
@@ -1042,6 +1042,9 @@ static void dpu_encoder_virt_mode_set(st
 	}
 
 	dpu_enc->mode_set_complete = true;
+
+error:
+	dpu_rm_release(&dpu_kms->rm, drm_enc);
 }
 
 static void _dpu_encoder_virt_enable_helper(struct drm_encoder *drm_enc)
@@ -1547,8 +1550,14 @@ static void _dpu_encoder_kickoff_phys(st
 		if (!ctl)
 			continue;
 
-		if (phys->split_role != ENC_ROLE_SLAVE)
+		/*
+		 * This is cleared in frame_done worker, which isn't invoked
+		 * for async commits. So don't set this for async, since it'll
+		 * roll over to the next commit.
+		 */
+		if (!async && phys->split_role != ENC_ROLE_SLAVE)
 			set_bit(i, dpu_enc->frame_busy_mask);
+
 		if (!phys->ops.needs_single_flush ||
 				!phys->ops.needs_single_flush(phys))
 			_dpu_encoder_trigger_flush(&dpu_enc->base, phys, 0x0,
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/gpu/drm/msm/Makefile linux-libre-5.1.6-gnu/drivers/gpu/drm/msm/Makefile
--- linux-libre-5.1.5-gnu/drivers/gpu/drm/msm/Makefile	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/gpu/drm/msm/Makefile	2019-05-31 09:43:59.000000000 -0400
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
-ccflags-y := -Idrivers/gpu/drm/msm
-ccflags-y += -Idrivers/gpu/drm/msm/disp/dpu1
-ccflags-$(CONFIG_DRM_MSM_DSI) += -Idrivers/gpu/drm/msm/dsi
+ccflags-y := -I $(srctree)/$(src)
+ccflags-y += -I $(srctree)/$(src)/disp/dpu1
+ccflags-$(CONFIG_DRM_MSM_DSI) += -I $(srctree)/$(src)/dsi
 
 msm-y := \
 	adreno/adreno_device.o \
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/gpu/drm/msm/msm_gem_vma.c linux-libre-5.1.6-gnu/drivers/gpu/drm/msm/msm_gem_vma.c
--- linux-libre-5.1.5-gnu/drivers/gpu/drm/msm/msm_gem_vma.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/gpu/drm/msm/msm_gem_vma.c	2019-05-31 09:43:59.000000000 -0400
@@ -85,7 +85,7 @@ msm_gem_map_vma(struct msm_gem_address_s
 
 	vma->mapped = true;
 
-	if (aspace->mmu)
+	if (aspace && aspace->mmu)
 		ret = aspace->mmu->funcs->map(aspace->mmu, vma->iova, sgt,
 				size, prot);
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/gpu/drm/nouveau/Kbuild linux-libre-5.1.6-gnu/drivers/gpu/drm/nouveau/Kbuild
--- linux-libre-5.1.5-gnu/drivers/gpu/drm/nouveau/Kbuild	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/gpu/drm/nouveau/Kbuild	2019-05-31 09:43:59.000000000 -0400
@@ -1,7 +1,7 @@
-ccflags-y += -I$(src)/include
-ccflags-y += -I$(src)/include/nvkm
-ccflags-y += -I$(src)/nvkm
-ccflags-y += -I$(src)
+ccflags-y += -I $(srctree)/$(src)/include
+ccflags-y += -I $(srctree)/$(src)/include/nvkm
+ccflags-y += -I $(srctree)/$(src)/nvkm
+ccflags-y += -I $(srctree)/$(src)
 
 # NVKM - HW resource manager
 #- code also used by various userspace tools/tests
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c linux-libre-5.1.6-gnu/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c
--- linux-libre-5.1.5-gnu/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c	2019-05-31 09:43:59.000000000 -0400
@@ -109,7 +109,7 @@ nv50_bar_oneinit(struct nvkm_bar *base)
 	struct nvkm_device *device = bar->base.subdev.device;
 	static struct lock_class_key bar1_lock;
 	static struct lock_class_key bar2_lock;
-	u64 start, limit;
+	u64 start, limit, size;
 	int ret;
 
 	ret = nvkm_gpuobj_new(device, 0x20000, 0, false, NULL, &bar->mem);
@@ -127,7 +127,10 @@ nv50_bar_oneinit(struct nvkm_bar *base)
 
 	/* BAR2 */
 	start = 0x0100000000ULL;
-	limit = start + device->func->resource_size(device, 3);
+	size = device->func->resource_size(device, 3);
+	if (!size)
+		return -ENOMEM;
+	limit = start + size;
 
 	ret = nvkm_vmm_new(device, start, limit-- - start, NULL, 0,
 			   &bar2_lock, "bar2", &bar->bar2_vmm);
@@ -164,7 +167,10 @@ nv50_bar_oneinit(struct nvkm_bar *base)
 
 	/* BAR1 */
 	start = 0x0000000000ULL;
-	limit = start + device->func->resource_size(device, 1);
+	size = device->func->resource_size(device, 1);
+	if (!size)
+		return -ENOMEM;
+	limit = start + size;
 
 	ret = nvkm_vmm_new(device, start, limit-- - start, NULL, 0,
 			   &bar1_lock, "bar1", &bar->bar1_vmm);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/gpu/drm/omapdrm/dss/dsi.c linux-libre-5.1.6-gnu/drivers/gpu/drm/omapdrm/dss/dsi.c
--- linux-libre-5.1.5-gnu/drivers/gpu/drm/omapdrm/dss/dsi.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/gpu/drm/omapdrm/dss/dsi.c	2019-05-31 09:43:59.000000000 -0400
@@ -1342,12 +1342,9 @@ static int dsi_pll_enable(struct dss_pll
 	 */
 	dsi_enable_scp_clk(dsi);
 
-	if (!dsi->vdds_dsi_enabled) {
-		r = regulator_enable(dsi->vdds_dsi_reg);
-		if (r)
-			goto err0;
-		dsi->vdds_dsi_enabled = true;
-	}
+	r = regulator_enable(dsi->vdds_dsi_reg);
+	if (r)
+		goto err0;
 
 	/* XXX PLL does not come out of reset without this... */
 	dispc_pck_free_enable(dsi->dss->dispc, 1);
@@ -1372,36 +1369,25 @@ static int dsi_pll_enable(struct dss_pll
 
 	return 0;
 err1:
-	if (dsi->vdds_dsi_enabled) {
-		regulator_disable(dsi->vdds_dsi_reg);
-		dsi->vdds_dsi_enabled = false;
-	}
+	regulator_disable(dsi->vdds_dsi_reg);
 err0:
 	dsi_disable_scp_clk(dsi);
 	dsi_runtime_put(dsi);
 	return r;
 }
 
-static void dsi_pll_uninit(struct dsi_data *dsi, bool disconnect_lanes)
+static void dsi_pll_disable(struct dss_pll *pll)
 {
+	struct dsi_data *dsi = container_of(pll, struct dsi_data, pll);
+
 	dsi_pll_power(dsi, DSI_PLL_POWER_OFF);
-	if (disconnect_lanes) {
-		WARN_ON(!dsi->vdds_dsi_enabled);
-		regulator_disable(dsi->vdds_dsi_reg);
-		dsi->vdds_dsi_enabled = false;
-	}
+
+	regulator_disable(dsi->vdds_dsi_reg);
 
 	dsi_disable_scp_clk(dsi);
 	dsi_runtime_put(dsi);
 
-	DSSDBG("PLL uninit done\n");
-}
-
-static void dsi_pll_disable(struct dss_pll *pll)
-{
-	struct dsi_data *dsi = container_of(pll, struct dsi_data, pll);
-
-	dsi_pll_uninit(dsi, true);
+	DSSDBG("PLL disable done\n");
 }
 
 static int dsi_dump_dsi_clocks(struct seq_file *s, void *p)
@@ -4096,11 +4082,11 @@ static int dsi_display_init_dsi(struct d
 
 	r = dss_pll_enable(&dsi->pll);
 	if (r)
-		goto err0;
+		return r;
 
 	r = dsi_configure_dsi_clocks(dsi);
 	if (r)
-		goto err1;
+		goto err0;
 
 	dss_select_dsi_clk_source(dsi->dss, dsi->module_id,
 				  dsi->module_id == 0 ?
@@ -4108,6 +4094,14 @@ static int dsi_display_init_dsi(struct d
 
 	DSSDBG("PLL OK\n");
 
+	if (!dsi->vdds_dsi_enabled) {
+		r = regulator_enable(dsi->vdds_dsi_reg);
+		if (r)
+			goto err1;
+
+		dsi->vdds_dsi_enabled = true;
+	}
+
 	r = dsi_cio_init(dsi);
 	if (r)
 		goto err2;
@@ -4136,10 +4130,13 @@ static int dsi_display_init_dsi(struct d
 err3:
 	dsi_cio_uninit(dsi);
 err2:
-	dss_select_dsi_clk_source(dsi->dss, dsi->module_id, DSS_CLK_SRC_FCK);
+	regulator_disable(dsi->vdds_dsi_reg);
+	dsi->vdds_dsi_enabled = false;
 err1:
-	dss_pll_disable(&dsi->pll);
+	dss_select_dsi_clk_source(dsi->dss, dsi->module_id, DSS_CLK_SRC_FCK);
 err0:
+	dss_pll_disable(&dsi->pll);
+
 	return r;
 }
 
@@ -4158,7 +4155,12 @@ static void dsi_display_uninit_dsi(struc
 
 	dss_select_dsi_clk_source(dsi->dss, dsi->module_id, DSS_CLK_SRC_FCK);
 	dsi_cio_uninit(dsi);
-	dsi_pll_uninit(dsi, disconnect_lanes);
+	dss_pll_disable(&dsi->pll);
+
+	if (disconnect_lanes) {
+		regulator_disable(dsi->vdds_dsi_reg);
+		dsi->vdds_dsi_enabled = false;
+	}
 }
 
 static int dsi_display_enable(struct omap_dss_device *dssdev)
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/gpu/drm/omapdrm/omap_connector.c linux-libre-5.1.6-gnu/drivers/gpu/drm/omapdrm/omap_connector.c
--- linux-libre-5.1.5-gnu/drivers/gpu/drm/omapdrm/omap_connector.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/gpu/drm/omapdrm/omap_connector.c	2019-05-31 09:43:59.000000000 -0400
@@ -36,18 +36,22 @@ struct omap_connector {
 };
 
 static void omap_connector_hpd_notify(struct drm_connector *connector,
-				      struct omap_dss_device *src,
 				      enum drm_connector_status status)
 {
-	if (status == connector_status_disconnected) {
-		/*
-		 * If the source is an HDMI encoder, notify it of disconnection.
-		 * This is required to let the HDMI encoder reset any internal
-		 * state related to connection status, such as the CEC address.
-		 */
-		if (src && src->type == OMAP_DISPLAY_TYPE_HDMI &&
-		    src->ops->hdmi.lost_hotplug)
-			src->ops->hdmi.lost_hotplug(src);
+	struct omap_connector *omap_connector = to_omap_connector(connector);
+	struct omap_dss_device *dssdev;
+
+	if (status != connector_status_disconnected)
+		return;
+
+	/*
+	 * Notify all devics in the pipeline of disconnection. This is required
+	 * to let the HDMI encoders reset their internal state related to
+	 * connection status, such as the CEC address.
+	 */
+	for (dssdev = omap_connector->output; dssdev; dssdev = dssdev->next) {
+		if (dssdev->ops && dssdev->ops->hdmi.lost_hotplug)
+			dssdev->ops->hdmi.lost_hotplug(dssdev);
 	}
 }
 
@@ -67,7 +71,7 @@ static void omap_connector_hpd_cb(void *
 	if (old_status == status)
 		return;
 
-	omap_connector_hpd_notify(connector, omap_connector->hpd, status);
+	omap_connector_hpd_notify(connector, status);
 
 	drm_kms_helper_hotplug_event(dev);
 }
@@ -128,7 +132,7 @@ static enum drm_connector_status omap_co
 		       ? connector_status_connected
 		       : connector_status_disconnected;
 
-		omap_connector_hpd_notify(connector, dssdev->src, status);
+		omap_connector_hpd_notify(connector, status);
 	} else {
 		switch (omap_connector->display->type) {
 		case OMAP_DISPLAY_TYPE_DPI:
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c linux-libre-5.1.6-gnu/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c
--- linux-libre-5.1.5-gnu/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c	2019-05-31 09:43:59.000000000 -0400
@@ -248,6 +248,9 @@ static int otm8009a_init_sequence(struct
 	/* Send Command GRAM memory write (no parameters) */
 	dcs_write_seq(ctx, MIPI_DCS_WRITE_MEMORY_START);
 
+	/* Wait a short while to let the panel be ready before the 1st frame */
+	mdelay(10);
+
 	return 0;
 }
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/gpu/drm/pl111/pl111_versatile.c linux-libre-5.1.6-gnu/drivers/gpu/drm/pl111/pl111_versatile.c
--- linux-libre-5.1.5-gnu/drivers/gpu/drm/pl111/pl111_versatile.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/gpu/drm/pl111/pl111_versatile.c	2019-05-31 09:43:59.000000000 -0400
@@ -330,6 +330,7 @@ int pl111_versatile_init(struct device *
 		ret = vexpress_muxfpga_init();
 		if (ret) {
 			dev_err(dev, "unable to initialize muxfpga driver\n");
+			of_node_put(np);
 			return ret;
 		}
 
@@ -337,17 +338,20 @@ int pl111_versatile_init(struct device *
 		pdev = of_find_device_by_node(np);
 		if (!pdev) {
 			dev_err(dev, "can't find the sysreg device, deferring\n");
+			of_node_put(np);
 			return -EPROBE_DEFER;
 		}
 		map = dev_get_drvdata(&pdev->dev);
 		if (!map) {
 			dev_err(dev, "sysreg has not yet probed\n");
 			platform_device_put(pdev);
+			of_node_put(np);
 			return -EPROBE_DEFER;
 		}
 	} else {
 		map = syscon_node_to_regmap(np);
 	}
+	of_node_put(np);
 
 	if (IS_ERR(map)) {
 		dev_err(dev, "no Versatile syscon regmap\n");
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/gpu/drm/rcar-du/rcar_lvds.c linux-libre-5.1.6-gnu/drivers/gpu/drm/rcar-du/rcar_lvds.c
--- linux-libre-5.1.5-gnu/drivers/gpu/drm/rcar-du/rcar_lvds.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/gpu/drm/rcar-du/rcar_lvds.c	2019-05-31 09:43:59.000000000 -0400
@@ -283,7 +283,7 @@ static void rcar_lvds_d3_e3_pll_calc(str
 				 * divider.
 				 */
 				fout = fvco / (1 << e) / div7;
-				div = DIV_ROUND_CLOSEST(fout, target);
+				div = max(1UL, DIV_ROUND_CLOSEST(fout, target));
 				diff = abs(fout / div - target);
 
 				if (diff < pll->diff) {
@@ -485,9 +485,13 @@ static void rcar_lvds_enable(struct drm_
 	}
 
 	if (lvds->info->quirks & RCAR_LVDS_QUIRK_GEN3_LVEN) {
-		/* Turn on the LVDS PHY. */
+		/*
+		 * Turn on the LVDS PHY. On D3, the LVEN and LVRES bit must be
+		 * set at the same time, so don't write the register yet.
+		 */
 		lvdcr0 |= LVDCR0_LVEN;
-		rcar_lvds_write(lvds, LVDCR0, lvdcr0);
+		if (!(lvds->info->quirks & RCAR_LVDS_QUIRK_PWD))
+			rcar_lvds_write(lvds, LVDCR0, lvdcr0);
 	}
 
 	if (!(lvds->info->quirks & RCAR_LVDS_QUIRK_EXT_PLL)) {
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/gpu/drm/sun4i/sun4i_tcon.c linux-libre-5.1.6-gnu/drivers/gpu/drm/sun4i/sun4i_tcon.c
--- linux-libre-5.1.5-gnu/drivers/gpu/drm/sun4i/sun4i_tcon.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/gpu/drm/sun4i/sun4i_tcon.c	2019-05-31 09:43:59.000000000 -0400
@@ -341,8 +341,8 @@ static void sun4i_tcon0_mode_set_cpu(str
 	u32 block_space, start_delay;
 	u32 tcon_div;
 
-	tcon->dclk_min_div = 4;
-	tcon->dclk_max_div = 127;
+	tcon->dclk_min_div = SUN6I_DSI_TCON_DIV;
+	tcon->dclk_max_div = SUN6I_DSI_TCON_DIV;
 
 	sun4i_tcon0_mode_set_common(tcon, mode);
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c linux-libre-5.1.6-gnu/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c
--- linux-libre-5.1.5-gnu/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c	2019-05-31 09:43:59.000000000 -0400
@@ -358,7 +358,13 @@ static void sun6i_dsi_inst_init(struct s
 static u16 sun6i_dsi_get_video_start_delay(struct sun6i_dsi *dsi,
 					   struct drm_display_mode *mode)
 {
-	return mode->vtotal - (mode->vsync_end - mode->vdisplay) + 1;
+	u16 start = clamp(mode->vtotal - mode->vdisplay - 10, 8, 100);
+	u16 delay = mode->vtotal - (mode->vsync_end - mode->vdisplay) + start;
+
+	if (delay > mode->vtotal)
+		delay = delay % mode->vtotal;
+
+	return max_t(u16, delay, 1);
 }
 
 static void sun6i_dsi_setup_burst(struct sun6i_dsi *dsi,
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.h linux-libre-5.1.6-gnu/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.h
--- linux-libre-5.1.5-gnu/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.h	2019-05-31 09:43:59.000000000 -0400
@@ -13,6 +13,8 @@
 #include <drm/drm_encoder.h>
 #include <drm/drm_mipi_dsi.h>
 
+#define SUN6I_DSI_TCON_DIV	4
+
 struct sun6i_dsi {
 	struct drm_connector	connector;
 	struct drm_encoder	encoder;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/gpu/drm/tinydrm/ili9225.c linux-libre-5.1.6-gnu/drivers/gpu/drm/tinydrm/ili9225.c
--- linux-libre-5.1.5-gnu/drivers/gpu/drm/tinydrm/ili9225.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/gpu/drm/tinydrm/ili9225.c	2019-05-31 09:43:59.000000000 -0400
@@ -301,7 +301,7 @@ static void ili9225_pipe_disable(struct
 	mipi->enabled = false;
 }
 
-static int ili9225_dbi_command(struct mipi_dbi *mipi, u8 cmd, u8 *par,
+static int ili9225_dbi_command(struct mipi_dbi *mipi, u8 *cmd, u8 *par,
 			       size_t num)
 {
 	struct spi_device *spi = mipi->spi;
@@ -311,11 +311,11 @@ static int ili9225_dbi_command(struct mi
 
 	gpiod_set_value_cansleep(mipi->dc, 0);
 	speed_hz = mipi_dbi_spi_cmd_max_speed(spi, 1);
-	ret = tinydrm_spi_transfer(spi, speed_hz, NULL, 8, &cmd, 1);
+	ret = tinydrm_spi_transfer(spi, speed_hz, NULL, 8, cmd, 1);
 	if (ret || !num)
 		return ret;
 
-	if (cmd == ILI9225_WRITE_DATA_TO_GRAM && !mipi->swap_bytes)
+	if (*cmd == ILI9225_WRITE_DATA_TO_GRAM && !mipi->swap_bytes)
 		bpw = 16;
 
 	gpiod_set_value_cansleep(mipi->dc, 1);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/gpu/drm/tinydrm/mipi-dbi.c linux-libre-5.1.6-gnu/drivers/gpu/drm/tinydrm/mipi-dbi.c
--- linux-libre-5.1.5-gnu/drivers/gpu/drm/tinydrm/mipi-dbi.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/gpu/drm/tinydrm/mipi-dbi.c	2019-05-31 09:43:59.000000000 -0400
@@ -153,16 +153,42 @@ EXPORT_SYMBOL(mipi_dbi_command_read);
  */
 int mipi_dbi_command_buf(struct mipi_dbi *mipi, u8 cmd, u8 *data, size_t len)
 {
+	u8 *cmdbuf;
 	int ret;
 
+	/* SPI requires dma-safe buffers */
+	cmdbuf = kmemdup(&cmd, 1, GFP_KERNEL);
+	if (!cmdbuf)
+		return -ENOMEM;
+
 	mutex_lock(&mipi->cmdlock);
-	ret = mipi->command(mipi, cmd, data, len);
+	ret = mipi->command(mipi, cmdbuf, data, len);
 	mutex_unlock(&mipi->cmdlock);
 
+	kfree(cmdbuf);
+
 	return ret;
 }
 EXPORT_SYMBOL(mipi_dbi_command_buf);
 
+/* This should only be used by mipi_dbi_command() */
+int mipi_dbi_command_stackbuf(struct mipi_dbi *mipi, u8 cmd, u8 *data, size_t len)
+{
+	u8 *buf;
+	int ret;
+
+	buf = kmemdup(data, len, GFP_KERNEL);
+	if (!buf)
+		return -ENOMEM;
+
+	ret = mipi_dbi_command_buf(mipi, cmd, buf, len);
+
+	kfree(buf);
+
+	return ret;
+}
+EXPORT_SYMBOL(mipi_dbi_command_stackbuf);
+
 /**
  * mipi_dbi_buf_copy - Copy a framebuffer, transforming it if necessary
  * @dst: The destination buffer
@@ -774,18 +800,18 @@ static int mipi_dbi_spi1_transfer(struct
 	return 0;
 }
 
-static int mipi_dbi_typec1_command(struct mipi_dbi *mipi, u8 cmd,
+static int mipi_dbi_typec1_command(struct mipi_dbi *mipi, u8 *cmd,
 				   u8 *parameters, size_t num)
 {
-	unsigned int bpw = (cmd == MIPI_DCS_WRITE_MEMORY_START) ? 16 : 8;
+	unsigned int bpw = (*cmd == MIPI_DCS_WRITE_MEMORY_START) ? 16 : 8;
 	int ret;
 
-	if (mipi_dbi_command_is_read(mipi, cmd))
+	if (mipi_dbi_command_is_read(mipi, *cmd))
 		return -ENOTSUPP;
 
-	MIPI_DBI_DEBUG_COMMAND(cmd, parameters, num);
+	MIPI_DBI_DEBUG_COMMAND(*cmd, parameters, num);
 
-	ret = mipi_dbi_spi1_transfer(mipi, 0, &cmd, 1, 8);
+	ret = mipi_dbi_spi1_transfer(mipi, 0, cmd, 1, 8);
 	if (ret || !num)
 		return ret;
 
@@ -794,7 +820,7 @@ static int mipi_dbi_typec1_command(struc
 
 /* MIPI DBI Type C Option 3 */
 
-static int mipi_dbi_typec3_command_read(struct mipi_dbi *mipi, u8 cmd,
+static int mipi_dbi_typec3_command_read(struct mipi_dbi *mipi, u8 *cmd,
 					u8 *data, size_t len)
 {
 	struct spi_device *spi = mipi->spi;
@@ -803,7 +829,7 @@ static int mipi_dbi_typec3_command_read(
 	struct spi_transfer tr[2] = {
 		{
 			.speed_hz = speed_hz,
-			.tx_buf = &cmd,
+			.tx_buf = cmd,
 			.len = 1,
 		}, {
 			.speed_hz = speed_hz,
@@ -821,8 +847,8 @@ static int mipi_dbi_typec3_command_read(
 	 * Support non-standard 24-bit and 32-bit Nokia read commands which
 	 * start with a dummy clock, so we need to read an extra byte.
 	 */
-	if (cmd == MIPI_DCS_GET_DISPLAY_ID ||
-	    cmd == MIPI_DCS_GET_DISPLAY_STATUS) {
+	if (*cmd == MIPI_DCS_GET_DISPLAY_ID ||
+	    *cmd == MIPI_DCS_GET_DISPLAY_STATUS) {
 		if (!(len == 3 || len == 4))
 			return -EINVAL;
 
@@ -852,7 +878,7 @@ static int mipi_dbi_typec3_command_read(
 			data[i] = (buf[i] << 1) | !!(buf[i + 1] & BIT(7));
 	}
 
-	MIPI_DBI_DEBUG_COMMAND(cmd, data, len);
+	MIPI_DBI_DEBUG_COMMAND(*cmd, data, len);
 
 err_free:
 	kfree(buf);
@@ -860,7 +886,7 @@ err_free:
 	return ret;
 }
 
-static int mipi_dbi_typec3_command(struct mipi_dbi *mipi, u8 cmd,
+static int mipi_dbi_typec3_command(struct mipi_dbi *mipi, u8 *cmd,
 				   u8 *par, size_t num)
 {
 	struct spi_device *spi = mipi->spi;
@@ -868,18 +894,18 @@ static int mipi_dbi_typec3_command(struc
 	u32 speed_hz;
 	int ret;
 
-	if (mipi_dbi_command_is_read(mipi, cmd))
+	if (mipi_dbi_command_is_read(mipi, *cmd))
 		return mipi_dbi_typec3_command_read(mipi, cmd, par, num);
 
-	MIPI_DBI_DEBUG_COMMAND(cmd, par, num);
+	MIPI_DBI_DEBUG_COMMAND(*cmd, par, num);
 
 	gpiod_set_value_cansleep(mipi->dc, 0);
 	speed_hz = mipi_dbi_spi_cmd_max_speed(spi, 1);
-	ret = tinydrm_spi_transfer(spi, speed_hz, NULL, 8, &cmd, 1);
+	ret = tinydrm_spi_transfer(spi, speed_hz, NULL, 8, cmd, 1);
 	if (ret || !num)
 		return ret;
 
-	if (cmd == MIPI_DCS_WRITE_MEMORY_START && !mipi->swap_bytes)
+	if (*cmd == MIPI_DCS_WRITE_MEMORY_START && !mipi->swap_bytes)
 		bpw = 16;
 
 	gpiod_set_value_cansleep(mipi->dc, 1);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/gpu/drm/v3d/v3d_drv.c linux-libre-5.1.6-gnu/drivers/gpu/drm/v3d/v3d_drv.c
--- linux-libre-5.1.5-gnu/drivers/gpu/drm/v3d/v3d_drv.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/gpu/drm/v3d/v3d_drv.c	2019-05-31 09:43:59.000000000 -0400
@@ -312,14 +312,18 @@ static int v3d_platform_drm_probe(struct
 	if (ret)
 		goto dev_destroy;
 
-	v3d_irq_init(v3d);
+	ret = v3d_irq_init(v3d);
+	if (ret)
+		goto gem_destroy;
 
 	ret = drm_dev_register(drm, 0);
 	if (ret)
-		goto gem_destroy;
+		goto irq_disable;
 
 	return 0;
 
+irq_disable:
+	v3d_irq_disable(v3d);
 gem_destroy:
 	v3d_gem_destroy(drm);
 dev_destroy:
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/gpu/drm/v3d/v3d_drv.h linux-libre-5.1.6-gnu/drivers/gpu/drm/v3d/v3d_drv.h
--- linux-libre-5.1.5-gnu/drivers/gpu/drm/v3d/v3d_drv.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/gpu/drm/v3d/v3d_drv.h	2019-05-31 09:43:59.000000000 -0400
@@ -310,7 +310,7 @@ void v3d_reset(struct v3d_dev *v3d);
 void v3d_invalidate_caches(struct v3d_dev *v3d);
 
 /* v3d_irq.c */
-void v3d_irq_init(struct v3d_dev *v3d);
+int v3d_irq_init(struct v3d_dev *v3d);
 void v3d_irq_enable(struct v3d_dev *v3d);
 void v3d_irq_disable(struct v3d_dev *v3d);
 void v3d_irq_reset(struct v3d_dev *v3d);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/gpu/drm/v3d/v3d_irq.c linux-libre-5.1.6-gnu/drivers/gpu/drm/v3d/v3d_irq.c
--- linux-libre-5.1.5-gnu/drivers/gpu/drm/v3d/v3d_irq.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/gpu/drm/v3d/v3d_irq.c	2019-05-31 09:43:59.000000000 -0400
@@ -156,7 +156,7 @@ v3d_hub_irq(int irq, void *arg)
 	return status;
 }
 
-void
+int
 v3d_irq_init(struct v3d_dev *v3d)
 {
 	int ret, core;
@@ -173,13 +173,22 @@ v3d_irq_init(struct v3d_dev *v3d)
 	ret = devm_request_irq(v3d->dev, platform_get_irq(v3d->pdev, 0),
 			       v3d_hub_irq, IRQF_SHARED,
 			       "v3d_hub", v3d);
+	if (ret)
+		goto fail;
+
 	ret = devm_request_irq(v3d->dev, platform_get_irq(v3d->pdev, 1),
 			       v3d_irq, IRQF_SHARED,
 			       "v3d_core0", v3d);
 	if (ret)
-		dev_err(v3d->dev, "IRQ setup failed: %d\n", ret);
+		goto fail;
 
 	v3d_irq_enable(v3d);
+	return 0;
+
+fail:
+	if (ret != -EPROBE_DEFER)
+		dev_err(v3d->dev, "IRQ setup failed: %d\n", ret);
+	return ret;
 }
 
 void
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/hid/hid-core.c linux-libre-5.1.6-gnu/drivers/hid/hid-core.c
--- linux-libre-5.1.5-gnu/drivers/hid/hid-core.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/hid/hid-core.c	2019-05-31 09:43:59.000000000 -0400
@@ -218,13 +218,14 @@ static unsigned hid_lookup_collection(st
  * Add a usage to the temporary parser table.
  */
 
-static int hid_add_usage(struct hid_parser *parser, unsigned usage)
+static int hid_add_usage(struct hid_parser *parser, unsigned usage, u8 size)
 {
 	if (parser->local.usage_index >= HID_MAX_USAGES) {
 		hid_err(parser->device, "usage index exceeded\n");
 		return -1;
 	}
 	parser->local.usage[parser->local.usage_index] = usage;
+	parser->local.usage_size[parser->local.usage_index] = size;
 	parser->local.collection_index[parser->local.usage_index] =
 		parser->collection_stack_ptr ?
 		parser->collection_stack[parser->collection_stack_ptr - 1] : 0;
@@ -486,10 +487,7 @@ static int hid_parser_local(struct hid_p
 			return 0;
 		}
 
-		if (item->size <= 2)
-			data = (parser->global.usage_page << 16) + data;
-
-		return hid_add_usage(parser, data);
+		return hid_add_usage(parser, data, item->size);
 
 	case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM:
 
@@ -498,9 +496,6 @@ static int hid_parser_local(struct hid_p
 			return 0;
 		}
 
-		if (item->size <= 2)
-			data = (parser->global.usage_page << 16) + data;
-
 		parser->local.usage_minimum = data;
 		return 0;
 
@@ -511,9 +506,6 @@ static int hid_parser_local(struct hid_p
 			return 0;
 		}
 
-		if (item->size <= 2)
-			data = (parser->global.usage_page << 16) + data;
-
 		count = data - parser->local.usage_minimum;
 		if (count + parser->local.usage_index >= HID_MAX_USAGES) {
 			/*
@@ -533,7 +525,7 @@ static int hid_parser_local(struct hid_p
 		}
 
 		for (n = parser->local.usage_minimum; n <= data; n++)
-			if (hid_add_usage(parser, n)) {
+			if (hid_add_usage(parser, n, item->size)) {
 				dbg_hid("hid_add_usage failed\n");
 				return -1;
 			}
@@ -548,6 +540,22 @@ static int hid_parser_local(struct hid_p
 }
 
 /*
+ * Concatenate Usage Pages into Usages where relevant:
+ * As per specification, 6.2.2.8: "When the parser encounters a main item it
+ * concatenates the last declared Usage Page with a Usage to form a complete
+ * usage value."
+ */
+
+static void hid_concatenate_usage_page(struct hid_parser *parser)
+{
+	int i;
+
+	for (i = 0; i < parser->local.usage_index; i++)
+		if (parser->local.usage_size[i] <= 2)
+			parser->local.usage[i] += parser->global.usage_page << 16;
+}
+
+/*
  * Process a main item.
  */
 
@@ -556,6 +564,8 @@ static int hid_parser_main(struct hid_pa
 	__u32 data;
 	int ret;
 
+	hid_concatenate_usage_page(parser);
+
 	data = item_udata(item);
 
 	switch (item->tag) {
@@ -765,6 +775,8 @@ static int hid_scan_main(struct hid_pars
 	__u32 data;
 	int i;
 
+	hid_concatenate_usage_page(parser);
+
 	data = item_udata(item);
 
 	switch (item->tag) {
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/hid/hid-logitech-hidpp.c linux-libre-5.1.6-gnu/drivers/hid/hid-logitech-hidpp.c
--- linux-libre-5.1.5-gnu/drivers/hid/hid-logitech-hidpp.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/hid/hid-logitech-hidpp.c	2019-05-31 09:43:59.000000000 -0400
@@ -836,13 +836,16 @@ static int hidpp_root_get_feature(struct
 
 static int hidpp_root_get_protocol_version(struct hidpp_device *hidpp)
 {
+	const u8 ping_byte = 0x5a;
+	u8 ping_data[3] = { 0, 0, ping_byte };
 	struct hidpp_report response;
 	int ret;
 
-	ret = hidpp_send_fap_command_sync(hidpp,
+	ret = hidpp_send_rap_command_sync(hidpp,
+			REPORT_ID_HIDPP_SHORT,
 			HIDPP_PAGE_ROOT_IDX,
 			CMD_ROOT_GET_PROTOCOL_VERSION,
-			NULL, 0, &response);
+			ping_data, sizeof(ping_data), &response);
 
 	if (ret == HIDPP_ERROR_INVALID_SUBID) {
 		hidpp->protocol_major = 1;
@@ -862,8 +865,14 @@ static int hidpp_root_get_protocol_versi
 	if (ret)
 		return ret;
 
-	hidpp->protocol_major = response.fap.params[0];
-	hidpp->protocol_minor = response.fap.params[1];
+	if (response.rap.params[2] != ping_byte) {
+		hid_err(hidpp->hid_dev, "%s: ping mismatch 0x%02x != 0x%02x\n",
+			__func__, response.rap.params[2], ping_byte);
+		return -EPROTO;
+	}
+
+	hidpp->protocol_major = response.rap.params[0];
+	hidpp->protocol_minor = response.rap.params[1];
 
 	return ret;
 }
@@ -1012,7 +1021,11 @@ static int hidpp_map_battery_level(int c
 {
 	if (capacity < 11)
 		return POWER_SUPPLY_CAPACITY_LEVEL_CRITICAL;
-	else if (capacity < 31)
+	/*
+	 * The spec says this should be < 31 but some devices report 30
+	 * with brand new batteries and Windows reports 30 as "Good".
+	 */
+	else if (capacity < 30)
 		return POWER_SUPPLY_CAPACITY_LEVEL_LOW;
 	else if (capacity < 81)
 		return POWER_SUPPLY_CAPACITY_LEVEL_NORMAL;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/hwmon/f71805f.c linux-libre-5.1.6-gnu/drivers/hwmon/f71805f.c
--- linux-libre-5.1.5-gnu/drivers/hwmon/f71805f.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/hwmon/f71805f.c	2019-05-31 09:43:59.000000000 -0400
@@ -96,17 +96,23 @@ superio_select(int base, int ld)
 	outb(ld, base + 1);
 }
 
-static inline void
+static inline int
 superio_enter(int base)
 {
+	if (!request_muxed_region(base, 2, DRVNAME))
+		return -EBUSY;
+
 	outb(0x87, base);
 	outb(0x87, base);
+
+	return 0;
 }
 
 static inline void
 superio_exit(int base)
 {
 	outb(0xaa, base);
+	release_region(base, 2);
 }
 
 /*
@@ -1561,7 +1567,7 @@ exit:
 static int __init f71805f_find(int sioaddr, unsigned short *address,
 			       struct f71805f_sio_data *sio_data)
 {
-	int err = -ENODEV;
+	int err;
 	u16 devid;
 
 	static const char * const names[] = {
@@ -1569,8 +1575,11 @@ static int __init f71805f_find(int sioad
 		"F71872F/FG or F71806F/FG",
 	};
 
-	superio_enter(sioaddr);
+	err = superio_enter(sioaddr);
+	if (err)
+		return err;
 
+	err = -ENODEV;
 	devid = superio_inw(sioaddr, SIO_REG_MANID);
 	if (devid != SIO_FINTEK_ID)
 		goto exit;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/hwmon/pc87427.c linux-libre-5.1.6-gnu/drivers/hwmon/pc87427.c
--- linux-libre-5.1.5-gnu/drivers/hwmon/pc87427.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/hwmon/pc87427.c	2019-05-31 09:43:59.000000000 -0400
@@ -106,6 +106,13 @@ static const char *logdev_str[2] = { DRV
 #define LD_IN		1
 #define LD_TEMP		1
 
+static inline int superio_enter(int sioaddr)
+{
+	if (!request_muxed_region(sioaddr, 2, DRVNAME))
+		return -EBUSY;
+	return 0;
+}
+
 static inline void superio_outb(int sioaddr, int reg, int val)
 {
 	outb(reg, sioaddr);
@@ -122,6 +129,7 @@ static inline void superio_exit(int sioa
 {
 	outb(0x02, sioaddr);
 	outb(0x02, sioaddr + 1);
+	release_region(sioaddr, 2);
 }
 
 /*
@@ -1195,7 +1203,11 @@ static int __init pc87427_find(int sioad
 {
 	u16 val;
 	u8 cfg, cfg_b;
-	int i, err = 0;
+	int i, err;
+
+	err = superio_enter(sioaddr);
+	if (err)
+		return err;
 
 	/* Identify device */
 	val = force_id ? force_id : superio_inb(sioaddr, SIOREG_DEVID);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/hwmon/smsc47b397.c linux-libre-5.1.6-gnu/drivers/hwmon/smsc47b397.c
--- linux-libre-5.1.5-gnu/drivers/hwmon/smsc47b397.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/hwmon/smsc47b397.c	2019-05-31 09:43:59.000000000 -0400
@@ -72,14 +72,19 @@ static inline void superio_select(int ld
 	superio_outb(0x07, ld);
 }
 
-static inline void superio_enter(void)
+static inline int superio_enter(void)
 {
+	if (!request_muxed_region(REG, 2, DRVNAME))
+		return -EBUSY;
+
 	outb(0x55, REG);
+	return 0;
 }
 
 static inline void superio_exit(void)
 {
 	outb(0xAA, REG);
+	release_region(REG, 2);
 }
 
 #define SUPERIO_REG_DEVID	0x20
@@ -300,8 +305,12 @@ static int __init smsc47b397_find(void)
 	u8 id, rev;
 	char *name;
 	unsigned short addr;
+	int err;
+
+	err = superio_enter();
+	if (err)
+		return err;
 
-	superio_enter();
 	id = force_id ? force_id : superio_inb(SUPERIO_REG_DEVID);
 
 	switch (id) {
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/hwmon/smsc47m1.c linux-libre-5.1.6-gnu/drivers/hwmon/smsc47m1.c
--- linux-libre-5.1.5-gnu/drivers/hwmon/smsc47m1.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/hwmon/smsc47m1.c	2019-05-31 09:43:59.000000000 -0400
@@ -73,16 +73,21 @@ superio_inb(int reg)
 /* logical device for fans is 0x0A */
 #define superio_select() superio_outb(0x07, 0x0A)
 
-static inline void
+static inline int
 superio_enter(void)
 {
+	if (!request_muxed_region(REG, 2, DRVNAME))
+		return -EBUSY;
+
 	outb(0x55, REG);
+	return 0;
 }
 
 static inline void
 superio_exit(void)
 {
 	outb(0xAA, REG);
+	release_region(REG, 2);
 }
 
 #define SUPERIO_REG_ACT		0x30
@@ -531,8 +536,12 @@ static int __init smsc47m1_find(struct s
 {
 	u8 val;
 	unsigned short addr;
+	int err;
+
+	err = superio_enter();
+	if (err)
+		return err;
 
-	superio_enter();
 	val = force_id ? force_id : superio_inb(SUPERIO_REG_DEVID);
 
 	/*
@@ -608,13 +617,14 @@ static int __init smsc47m1_find(struct s
 static void smsc47m1_restore(const struct smsc47m1_sio_data *sio_data)
 {
 	if ((sio_data->activate & 0x01) == 0) {
-		superio_enter();
-		superio_select();
-
-		pr_info("Disabling device\n");
-		superio_outb(SUPERIO_REG_ACT, sio_data->activate);
-
-		superio_exit();
+		if (!superio_enter()) {
+			superio_select();
+			pr_info("Disabling device\n");
+			superio_outb(SUPERIO_REG_ACT, sio_data->activate);
+			superio_exit();
+		} else {
+			pr_warn("Failed to disable device\n");
+		}
 	}
 }
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/hwmon/vt1211.c linux-libre-5.1.6-gnu/drivers/hwmon/vt1211.c
--- linux-libre-5.1.5-gnu/drivers/hwmon/vt1211.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/hwmon/vt1211.c	2019-05-31 09:43:59.000000000 -0400
@@ -226,15 +226,21 @@ static inline void superio_select(int si
 	outb(ldn, sio_cip + 1);
 }
 
-static inline void superio_enter(int sio_cip)
+static inline int superio_enter(int sio_cip)
 {
+	if (!request_muxed_region(sio_cip, 2, DRVNAME))
+		return -EBUSY;
+
 	outb(0x87, sio_cip);
 	outb(0x87, sio_cip);
+
+	return 0;
 }
 
 static inline void superio_exit(int sio_cip)
 {
 	outb(0xaa, sio_cip);
+	release_region(sio_cip, 2);
 }
 
 /* ---------------------------------------------------------------------
@@ -1282,11 +1288,14 @@ EXIT:
 
 static int __init vt1211_find(int sio_cip, unsigned short *address)
 {
-	int err = -ENODEV;
+	int err;
 	int devid;
 
-	superio_enter(sio_cip);
+	err = superio_enter(sio_cip);
+	if (err)
+		return err;
 
+	err = -ENODEV;
 	devid = force_id ? force_id : superio_inb(sio_cip, SIO_VT1211_DEVID);
 	if (devid != SIO_VT1211_ID)
 		goto EXIT;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/iio/adc/ad_sigma_delta.c linux-libre-5.1.6-gnu/drivers/iio/adc/ad_sigma_delta.c
--- linux-libre-5.1.5-gnu/drivers/iio/adc/ad_sigma_delta.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/iio/adc/ad_sigma_delta.c	2019-05-31 09:43:59.000000000 -0400
@@ -62,7 +62,7 @@ int ad_sd_write_reg(struct ad_sigma_delt
 	struct spi_transfer t = {
 		.tx_buf		= data,
 		.len		= size + 1,
-		.cs_change	= sigma_delta->bus_locked,
+		.cs_change	= sigma_delta->keep_cs_asserted,
 	};
 	struct spi_message m;
 	int ret;
@@ -218,6 +218,7 @@ static int ad_sd_calibrate(struct ad_sig
 
 	spi_bus_lock(sigma_delta->spi->master);
 	sigma_delta->bus_locked = true;
+	sigma_delta->keep_cs_asserted = true;
 	reinit_completion(&sigma_delta->completion);
 
 	ret = ad_sigma_delta_set_mode(sigma_delta, mode);
@@ -235,9 +236,10 @@ static int ad_sd_calibrate(struct ad_sig
 		ret = 0;
 	}
 out:
+	sigma_delta->keep_cs_asserted = false;
+	ad_sigma_delta_set_mode(sigma_delta, AD_SD_MODE_IDLE);
 	sigma_delta->bus_locked = false;
 	spi_bus_unlock(sigma_delta->spi->master);
-	ad_sigma_delta_set_mode(sigma_delta, AD_SD_MODE_IDLE);
 
 	return ret;
 }
@@ -290,6 +292,7 @@ int ad_sigma_delta_single_conversion(str
 
 	spi_bus_lock(sigma_delta->spi->master);
 	sigma_delta->bus_locked = true;
+	sigma_delta->keep_cs_asserted = true;
 	reinit_completion(&sigma_delta->completion);
 
 	ad_sigma_delta_set_mode(sigma_delta, AD_SD_MODE_SINGLE);
@@ -299,9 +302,6 @@ int ad_sigma_delta_single_conversion(str
 	ret = wait_for_completion_interruptible_timeout(
 			&sigma_delta->completion, HZ);
 
-	sigma_delta->bus_locked = false;
-	spi_bus_unlock(sigma_delta->spi->master);
-
 	if (ret == 0)
 		ret = -EIO;
 	if (ret < 0)
@@ -322,7 +322,10 @@ out:
 		sigma_delta->irq_dis = true;
 	}
 
+	sigma_delta->keep_cs_asserted = false;
 	ad_sigma_delta_set_mode(sigma_delta, AD_SD_MODE_IDLE);
+	sigma_delta->bus_locked = false;
+	spi_bus_unlock(sigma_delta->spi->master);
 	mutex_unlock(&indio_dev->mlock);
 
 	if (ret)
@@ -359,6 +362,8 @@ static int ad_sd_buffer_postenable(struc
 
 	spi_bus_lock(sigma_delta->spi->master);
 	sigma_delta->bus_locked = true;
+	sigma_delta->keep_cs_asserted = true;
+
 	ret = ad_sigma_delta_set_mode(sigma_delta, AD_SD_MODE_CONTINUOUS);
 	if (ret)
 		goto err_unlock;
@@ -387,6 +392,7 @@ static int ad_sd_buffer_postdisable(stru
 		sigma_delta->irq_dis = true;
 	}
 
+	sigma_delta->keep_cs_asserted = false;
 	ad_sigma_delta_set_mode(sigma_delta, AD_SD_MODE_IDLE);
 
 	sigma_delta->bus_locked = false;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/iio/adc/Kconfig linux-libre-5.1.6-gnu/drivers/iio/adc/Kconfig
--- linux-libre-5.1.5-gnu/drivers/iio/adc/Kconfig	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/iio/adc/Kconfig	2019-05-31 09:43:59.000000000 -0400
@@ -809,6 +809,7 @@ config STM32_DFSDM_ADC
 	depends on (ARCH_STM32 && OF) || COMPILE_TEST
 	select STM32_DFSDM_CORE
 	select REGMAP_MMIO
+	select IIO_BUFFER
 	select IIO_BUFFER_HW_CONSUMER
 	help
 	  Select this option to support ADCSigma delta modulator for
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/iio/adc/ti-ads7950.c linux-libre-5.1.6-gnu/drivers/iio/adc/ti-ads7950.c
--- linux-libre-5.1.5-gnu/drivers/iio/adc/ti-ads7950.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/iio/adc/ti-ads7950.c	2019-05-31 09:43:59.000000000 -0400
@@ -56,6 +56,9 @@ struct ti_ads7950_state {
 	struct spi_message	ring_msg;
 	struct spi_message	scan_single_msg;
 
+	/* Lock to protect the spi xfer buffers */
+	struct mutex		slock;
+
 	struct regulator	*reg;
 	unsigned int		vref_mv;
 
@@ -268,6 +271,7 @@ static irqreturn_t ti_ads7950_trigger_ha
 	struct ti_ads7950_state *st = iio_priv(indio_dev);
 	int ret;
 
+	mutex_lock(&st->slock);
 	ret = spi_sync(st->spi, &st->ring_msg);
 	if (ret < 0)
 		goto out;
@@ -276,6 +280,7 @@ static irqreturn_t ti_ads7950_trigger_ha
 					   iio_get_time_ns(indio_dev));
 
 out:
+	mutex_unlock(&st->slock);
 	iio_trigger_notify_done(indio_dev->trig);
 
 	return IRQ_HANDLED;
@@ -286,7 +291,7 @@ static int ti_ads7950_scan_direct(struct
 	struct ti_ads7950_state *st = iio_priv(indio_dev);
 	int ret, cmd;
 
-	mutex_lock(&indio_dev->mlock);
+	mutex_lock(&st->slock);
 
 	cmd = TI_ADS7950_CR_WRITE | TI_ADS7950_CR_CHAN(ch) | st->settings;
 	st->single_tx = cmd;
@@ -298,7 +303,7 @@ static int ti_ads7950_scan_direct(struct
 	ret = st->single_rx;
 
 out:
-	mutex_unlock(&indio_dev->mlock);
+	mutex_unlock(&st->slock);
 
 	return ret;
 }
@@ -432,16 +437,19 @@ static int ti_ads7950_probe(struct spi_d
 	if (ACPI_COMPANION(&spi->dev))
 		st->vref_mv = TI_ADS7950_VA_MV_ACPI_DEFAULT;
 
+	mutex_init(&st->slock);
+
 	st->reg = devm_regulator_get(&spi->dev, "vref");
 	if (IS_ERR(st->reg)) {
 		dev_err(&spi->dev, "Failed get get regulator \"vref\"\n");
-		return PTR_ERR(st->reg);
+		ret = PTR_ERR(st->reg);
+		goto error_destroy_mutex;
 	}
 
 	ret = regulator_enable(st->reg);
 	if (ret) {
 		dev_err(&spi->dev, "Failed to enable regulator \"vref\"\n");
-		return ret;
+		goto error_destroy_mutex;
 	}
 
 	ret = iio_triggered_buffer_setup(indio_dev, NULL,
@@ -463,6 +471,8 @@ error_cleanup_ring:
 	iio_triggered_buffer_cleanup(indio_dev);
 error_disable_reg:
 	regulator_disable(st->reg);
+error_destroy_mutex:
+	mutex_destroy(&st->slock);
 
 	return ret;
 }
@@ -475,6 +485,7 @@ static int ti_ads7950_remove(struct spi_
 	iio_device_unregister(indio_dev);
 	iio_triggered_buffer_cleanup(indio_dev);
 	regulator_disable(st->reg);
+	mutex_destroy(&st->slock);
 
 	return 0;
 }
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/iio/common/ssp_sensors/ssp_iio.c linux-libre-5.1.6-gnu/drivers/iio/common/ssp_sensors/ssp_iio.c
--- linux-libre-5.1.5-gnu/drivers/iio/common/ssp_sensors/ssp_iio.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/iio/common/ssp_sensors/ssp_iio.c	2019-05-31 09:43:59.000000000 -0400
@@ -81,7 +81,7 @@ int ssp_common_process_data(struct iio_d
 			    unsigned int len, int64_t timestamp)
 {
 	__le32 time;
-	int64_t calculated_time;
+	int64_t calculated_time = 0;
 	struct ssp_sensor_data *spd = iio_priv(indio_dev);
 
 	if (indio_dev->scan_bytes == 0)
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/iio/magnetometer/hmc5843_i2c.c linux-libre-5.1.6-gnu/drivers/iio/magnetometer/hmc5843_i2c.c
--- linux-libre-5.1.5-gnu/drivers/iio/magnetometer/hmc5843_i2c.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/iio/magnetometer/hmc5843_i2c.c	2019-05-31 09:43:59.000000000 -0400
@@ -58,8 +58,13 @@ static const struct regmap_config hmc584
 static int hmc5843_i2c_probe(struct i2c_client *cli,
 			     const struct i2c_device_id *id)
 {
+	struct regmap *regmap = devm_regmap_init_i2c(cli,
+			&hmc5843_i2c_regmap_config);
+	if (IS_ERR(regmap))
+		return PTR_ERR(regmap);
+
 	return hmc5843_common_probe(&cli->dev,
-			devm_regmap_init_i2c(cli, &hmc5843_i2c_regmap_config),
+			regmap,
 			id->driver_data, id->name);
 }
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/iio/magnetometer/hmc5843_spi.c linux-libre-5.1.6-gnu/drivers/iio/magnetometer/hmc5843_spi.c
--- linux-libre-5.1.5-gnu/drivers/iio/magnetometer/hmc5843_spi.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/iio/magnetometer/hmc5843_spi.c	2019-05-31 09:43:59.000000000 -0400
@@ -58,6 +58,7 @@ static const struct regmap_config hmc584
 static int hmc5843_spi_probe(struct spi_device *spi)
 {
 	int ret;
+	struct regmap *regmap;
 	const struct spi_device_id *id = spi_get_device_id(spi);
 
 	spi->mode = SPI_MODE_3;
@@ -67,8 +68,12 @@ static int hmc5843_spi_probe(struct spi_
 	if (ret)
 		return ret;
 
+	regmap = devm_regmap_init_spi(spi, &hmc5843_spi_regmap_config);
+	if (IS_ERR(regmap))
+		return PTR_ERR(regmap);
+
 	return hmc5843_common_probe(&spi->dev,
-			devm_regmap_init_spi(spi, &hmc5843_spi_regmap_config),
+			regmap,
 			id->driver_data, id->name);
 }
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/infiniband/core/cma.c linux-libre-5.1.6-gnu/drivers/infiniband/core/cma.c
--- linux-libre-5.1.5-gnu/drivers/infiniband/core/cma.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/infiniband/core/cma.c	2019-05-31 09:43:59.000000000 -0400
@@ -1173,18 +1173,31 @@ static inline bool cma_any_addr(const st
 	return cma_zero_addr(addr) || cma_loopback_addr(addr);
 }
 
-static int cma_addr_cmp(struct sockaddr *src, struct sockaddr *dst)
+static int cma_addr_cmp(const struct sockaddr *src, const struct sockaddr *dst)
 {
 	if (src->sa_family != dst->sa_family)
 		return -1;
 
 	switch (src->sa_family) {
 	case AF_INET:
-		return ((struct sockaddr_in *) src)->sin_addr.s_addr !=
-		       ((struct sockaddr_in *) dst)->sin_addr.s_addr;
-	case AF_INET6:
-		return ipv6_addr_cmp(&((struct sockaddr_in6 *) src)->sin6_addr,
-				     &((struct sockaddr_in6 *) dst)->sin6_addr);
+		return ((struct sockaddr_in *)src)->sin_addr.s_addr !=
+		       ((struct sockaddr_in *)dst)->sin_addr.s_addr;
+	case AF_INET6: {
+		struct sockaddr_in6 *src_addr6 = (struct sockaddr_in6 *)src;
+		struct sockaddr_in6 *dst_addr6 = (struct sockaddr_in6 *)dst;
+		bool link_local;
+
+		if (ipv6_addr_cmp(&src_addr6->sin6_addr,
+					  &dst_addr6->sin6_addr))
+			return 1;
+		link_local = ipv6_addr_type(&dst_addr6->sin6_addr) &
+			     IPV6_ADDR_LINKLOCAL;
+		/* Link local must match their scope_ids */
+		return link_local ? (src_addr6->sin6_scope_id !=
+				     dst_addr6->sin6_scope_id) :
+				    0;
+	}
+
 	default:
 		return ib_addr_cmp(&((struct sockaddr_ib *) src)->sib_addr,
 				   &((struct sockaddr_ib *) dst)->sib_addr);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/infiniband/hw/cxgb4/cm.c linux-libre-5.1.6-gnu/drivers/infiniband/hw/cxgb4/cm.c
--- linux-libre-5.1.5-gnu/drivers/infiniband/hw/cxgb4/cm.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/infiniband/hw/cxgb4/cm.c	2019-05-31 09:43:59.000000000 -0400
@@ -457,6 +457,8 @@ static struct sk_buff *get_skb(struct sk
 		skb_reset_transport_header(skb);
 	} else {
 		skb = alloc_skb(len, gfp);
+		if (!skb)
+			return NULL;
 	}
 	t4_set_arp_err_handler(skb, NULL, NULL);
 	return skb;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/infiniband/hw/hfi1/init.c linux-libre-5.1.6-gnu/drivers/infiniband/hw/hfi1/init.c
--- linux-libre-5.1.5-gnu/drivers/infiniband/hw/hfi1/init.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/infiniband/hw/hfi1/init.c	2019-05-31 09:43:59.000000000 -0400
@@ -805,7 +805,8 @@ static int create_workqueues(struct hfi1
 			ppd->hfi1_wq =
 				alloc_workqueue(
 				    "hfi%d_%d",
-				    WQ_SYSFS | WQ_HIGHPRI | WQ_CPU_INTENSIVE,
+				    WQ_SYSFS | WQ_HIGHPRI | WQ_CPU_INTENSIVE |
+				    WQ_MEM_RECLAIM,
 				    HFI1_MAX_ACTIVE_WORKQUEUE_ENTRIES,
 				    dd->unit, pidx);
 			if (!ppd->hfi1_wq)
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/infiniband/hw/hns/hns_roce_ah.c linux-libre-5.1.6-gnu/drivers/infiniband/hw/hns/hns_roce_ah.c
--- linux-libre-5.1.5-gnu/drivers/infiniband/hw/hns/hns_roce_ah.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/infiniband/hw/hns/hns_roce_ah.c	2019-05-31 09:43:59.000000000 -0400
@@ -70,7 +70,7 @@ struct ib_ah *hns_roce_create_ah(struct
 			     HNS_ROCE_VLAN_SL_BIT_MASK) <<
 			     HNS_ROCE_VLAN_SL_SHIFT;
 
-	ah->av.port_pd = cpu_to_be32(to_hr_pd(ibpd)->pdn |
+	ah->av.port_pd = cpu_to_le32(to_hr_pd(ibpd)->pdn |
 				     (rdma_ah_get_port_num(ah_attr) <<
 				     HNS_ROCE_PORT_NUM_SHIFT));
 	ah->av.gid_index = grh->sgid_index;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/infiniband/hw/mlx5/odp.c linux-libre-5.1.6-gnu/drivers/infiniband/hw/mlx5/odp.c
--- linux-libre-5.1.5-gnu/drivers/infiniband/hw/mlx5/odp.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/infiniband/hw/mlx5/odp.c	2019-05-31 09:43:59.000000000 -0400
@@ -711,6 +711,15 @@ struct pf_frame {
 	int depth;
 };
 
+static bool mkey_is_eq(struct mlx5_core_mkey *mmkey, u32 key)
+{
+	if (!mmkey)
+		return false;
+	if (mmkey->type == MLX5_MKEY_MW)
+		return mlx5_base_mkey(mmkey->key) == mlx5_base_mkey(key);
+	return mmkey->key == key;
+}
+
 static int get_indirect_num_descs(struct mlx5_core_mkey *mmkey)
 {
 	struct mlx5_ib_mw *mw;
@@ -760,7 +769,7 @@ static int pagefault_single_data_segment
 
 next_mr:
 	mmkey = __mlx5_mr_lookup(dev->mdev, mlx5_base_mkey(key));
-	if (!mmkey || mmkey->key != key) {
+	if (!mkey_is_eq(mmkey, key)) {
 		mlx5_ib_dbg(dev, "failed to find mkey %x\n", key);
 		ret = -EFAULT;
 		goto srcu_unlock;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/infiniband/sw/rxe/rxe_mr.c linux-libre-5.1.6-gnu/drivers/infiniband/sw/rxe/rxe_mr.c
--- linux-libre-5.1.5-gnu/drivers/infiniband/sw/rxe/rxe_mr.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/infiniband/sw/rxe/rxe_mr.c	2019-05-31 09:43:59.000000000 -0400
@@ -199,6 +199,12 @@ int rxe_mem_init_user(struct rxe_pd *pd,
 		buf = map[0]->buf;
 
 		for_each_sg_page(umem->sg_head.sgl, &sg_iter, umem->nmap, 0) {
+			if (num_buf >= RXE_BUF_PER_MAP) {
+				map++;
+				buf = map[0]->buf;
+				num_buf = 0;
+			}
+
 			vaddr = page_address(sg_page_iter_page(&sg_iter));
 			if (!vaddr) {
 				pr_warn("null vaddr\n");
@@ -211,11 +217,6 @@ int rxe_mem_init_user(struct rxe_pd *pd,
 			num_buf++;
 			buf++;
 
-			if (num_buf >= RXE_BUF_PER_MAP) {
-				map++;
-				buf = map[0]->buf;
-				num_buf = 0;
-			}
 		}
 	}
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/md/bcache/alloc.c linux-libre-5.1.6-gnu/drivers/md/bcache/alloc.c
--- linux-libre-5.1.5-gnu/drivers/md/bcache/alloc.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/md/bcache/alloc.c	2019-05-31 09:43:59.000000000 -0400
@@ -327,10 +327,11 @@ static int bch_allocator_thread(void *ar
 		 * possibly issue discards to them, then we add the bucket to
 		 * the free list:
 		 */
-		while (!fifo_empty(&ca->free_inc)) {
+		while (1) {
 			long bucket;
 
-			fifo_pop(&ca->free_inc, bucket);
+			if (!fifo_pop(&ca->free_inc, bucket))
+				break;
 
 			if (ca->discard) {
 				mutex_unlock(&ca->set->bucket_lock);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/md/bcache/journal.c linux-libre-5.1.6-gnu/drivers/md/bcache/journal.c
--- linux-libre-5.1.5-gnu/drivers/md/bcache/journal.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/md/bcache/journal.c	2019-05-31 09:43:59.000000000 -0400
@@ -317,6 +317,18 @@ void bch_journal_mark(struct cache_set *
 	}
 }
 
+bool is_discard_enabled(struct cache_set *s)
+{
+	struct cache *ca;
+	unsigned int i;
+
+	for_each_cache(ca, s, i)
+		if (ca->discard)
+			return true;
+
+	return false;
+}
+
 int bch_journal_replay(struct cache_set *s, struct list_head *list)
 {
 	int ret = 0, keys = 0, entries = 0;
@@ -330,9 +342,17 @@ int bch_journal_replay(struct cache_set
 	list_for_each_entry(i, list, list) {
 		BUG_ON(i->pin && atomic_read(i->pin) != 1);
 
-		cache_set_err_on(n != i->j.seq, s,
-"bcache: journal entries %llu-%llu missing! (replaying %llu-%llu)",
-				 n, i->j.seq - 1, start, end);
+		if (n != i->j.seq) {
+			if (n == start && is_discard_enabled(s))
+				pr_info("bcache: journal entries %llu-%llu may be discarded! (replaying %llu-%llu)",
+					n, i->j.seq - 1, start, end);
+			else {
+				pr_err("bcache: journal entries %llu-%llu missing! (replaying %llu-%llu)",
+					n, i->j.seq - 1, start, end);
+				ret = -EIO;
+				goto err;
+			}
+		}
 
 		for (k = i->j.start;
 		     k < bset_bkey_last(&i->j);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/md/bcache/super.c linux-libre-5.1.6-gnu/drivers/md/bcache/super.c
--- linux-libre-5.1.5-gnu/drivers/md/bcache/super.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/md/bcache/super.c	2019-05-31 09:43:59.000000000 -0400
@@ -1775,13 +1775,15 @@ err:
 	return NULL;
 }
 
-static void run_cache_set(struct cache_set *c)
+static int run_cache_set(struct cache_set *c)
 {
 	const char *err = "cannot allocate memory";
 	struct cached_dev *dc, *t;
 	struct cache *ca;
 	struct closure cl;
 	unsigned int i;
+	LIST_HEAD(journal);
+	struct journal_replay *l;
 
 	closure_init_stack(&cl);
 
@@ -1869,7 +1871,9 @@ static void run_cache_set(struct cache_s
 		if (j->version < BCACHE_JSET_VERSION_UUID)
 			__uuid_write(c);
 
-		bch_journal_replay(c, &journal);
+		err = "bcache: replay journal failed";
+		if (bch_journal_replay(c, &journal))
+			goto err;
 	} else {
 		pr_notice("invalidating existing data");
 
@@ -1937,11 +1941,19 @@ static void run_cache_set(struct cache_s
 	flash_devs_run(c);
 
 	set_bit(CACHE_SET_RUNNING, &c->flags);
-	return;
+	return 0;
 err:
+	while (!list_empty(&journal)) {
+		l = list_first_entry(&journal, struct journal_replay, list);
+		list_del(&l->list);
+		kfree(l);
+	}
+
 	closure_sync(&cl);
 	/* XXX: test this, it's broken */
 	bch_cache_set_error(c, "%s", err);
+
+	return -EIO;
 }
 
 static bool can_attach_cache(struct cache *ca, struct cache_set *c)
@@ -2005,8 +2017,11 @@ found:
 	ca->set->cache[ca->sb.nr_this_dev] = ca;
 	c->cache_by_alloc[c->caches_loaded++] = ca;
 
-	if (c->caches_loaded == c->sb.nr_in_set)
-		run_cache_set(c);
+	if (c->caches_loaded == c->sb.nr_in_set) {
+		err = "failed to run cache set";
+		if (run_cache_set(c) < 0)
+			goto err;
+	}
 
 	return NULL;
 err:
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/md/dm.c linux-libre-5.1.6-gnu/drivers/md/dm.c
--- linux-libre-5.1.5-gnu/drivers/md/dm.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/md/dm.c	2019-05-31 09:43:59.000000000 -0400
@@ -1105,6 +1105,25 @@ static long dm_dax_direct_access(struct
 	return ret;
 }
 
+static bool dm_dax_supported(struct dax_device *dax_dev, struct block_device *bdev,
+		int blocksize, sector_t start, sector_t len)
+{
+	struct mapped_device *md = dax_get_private(dax_dev);
+	struct dm_table *map;
+	int srcu_idx;
+	bool ret;
+
+	map = dm_get_live_table(md, &srcu_idx);
+	if (!map)
+		return false;
+
+	ret = dm_table_supports_dax(map, blocksize);
+
+	dm_put_live_table(md, srcu_idx);
+
+	return ret;
+}
+
 static size_t dm_dax_copy_from_iter(struct dax_device *dax_dev, pgoff_t pgoff,
 				    void *addr, size_t bytes, struct iov_iter *i)
 {
@@ -3194,6 +3213,7 @@ static const struct block_device_operati
 
 static const struct dax_operations dm_dax_ops = {
 	.direct_access = dm_dax_direct_access,
+	.dax_supported = dm_dax_supported,
 	.copy_from_iter = dm_dax_copy_from_iter,
 	.copy_to_iter = dm_dax_copy_to_iter,
 };
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/md/dm.h linux-libre-5.1.6-gnu/drivers/md/dm.h
--- linux-libre-5.1.5-gnu/drivers/md/dm.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/md/dm.h	2019-05-31 09:43:59.000000000 -0400
@@ -72,6 +72,7 @@ bool dm_table_bio_based(struct dm_table
 bool dm_table_request_based(struct dm_table *t);
 void dm_table_free_md_mempools(struct dm_table *t);
 struct dm_md_mempools *dm_table_get_md_mempools(struct dm_table *t);
+bool dm_table_supports_dax(struct dm_table *t, int blocksize);
 
 void dm_lock_md_type(struct mapped_device *md);
 void dm_unlock_md_type(struct mapped_device *md);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/md/dm-table.c linux-libre-5.1.6-gnu/drivers/md/dm-table.c
--- linux-libre-5.1.5-gnu/drivers/md/dm-table.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/md/dm-table.c	2019-05-31 09:43:59.000000000 -0400
@@ -880,13 +880,17 @@ void dm_table_set_type(struct dm_table *
 }
 EXPORT_SYMBOL_GPL(dm_table_set_type);
 
+/* validate the dax capability of the target device span */
 static int device_supports_dax(struct dm_target *ti, struct dm_dev *dev,
-			       sector_t start, sector_t len, void *data)
+				       sector_t start, sector_t len, void *data)
 {
-	return bdev_dax_supported(dev->bdev, PAGE_SIZE);
+	int blocksize = *(int *) data;
+
+	return generic_fsdax_supported(dev->dax_dev, dev->bdev, blocksize,
+			start, len);
 }
 
-static bool dm_table_supports_dax(struct dm_table *t)
+bool dm_table_supports_dax(struct dm_table *t, int blocksize)
 {
 	struct dm_target *ti;
 	unsigned i;
@@ -899,7 +903,8 @@ static bool dm_table_supports_dax(struct
 			return false;
 
 		if (!ti->type->iterate_devices ||
-		    !ti->type->iterate_devices(ti, device_supports_dax, NULL))
+		    !ti->type->iterate_devices(ti, device_supports_dax,
+			    &blocksize))
 			return false;
 	}
 
@@ -979,7 +984,7 @@ static int dm_table_determine_type(struc
 verify_bio_based:
 		/* We must use this table as bio-based */
 		t->type = DM_TYPE_BIO_BASED;
-		if (dm_table_supports_dax(t) ||
+		if (dm_table_supports_dax(t, PAGE_SIZE) ||
 		    (list_empty(devices) && live_md_type == DM_TYPE_DAX_BIO_BASED)) {
 			t->type = DM_TYPE_DAX_BIO_BASED;
 		} else {
@@ -1905,7 +1910,7 @@ void dm_table_set_restrictions(struct dm
 	}
 	blk_queue_write_cache(q, wc, fua);
 
-	if (dm_table_supports_dax(t))
+	if (dm_table_supports_dax(t, PAGE_SIZE))
 		blk_queue_flag_set(QUEUE_FLAG_DAX, q);
 	else
 		blk_queue_flag_clear(QUEUE_FLAG_DAX, q);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/media/common/videobuf2/videobuf2-core.c linux-libre-5.1.6-gnu/drivers/media/common/videobuf2/videobuf2-core.c
--- linux-libre-5.1.5-gnu/drivers/media/common/videobuf2/videobuf2-core.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/media/common/videobuf2/videobuf2-core.c	2019-05-31 09:43:59.000000000 -0400
@@ -672,6 +672,11 @@ int vb2_core_reqbufs(struct vb2_queue *q
 		return -EBUSY;
 	}
 
+	if (q->waiting_in_dqbuf && *count) {
+		dprintk(1, "another dup()ped fd is waiting for a buffer\n");
+		return -EBUSY;
+	}
+
 	if (*count == 0 || q->num_buffers != 0 ||
 	    (q->memory != VB2_MEMORY_UNKNOWN && q->memory != memory)) {
 		/*
@@ -807,6 +812,10 @@ int vb2_core_create_bufs(struct vb2_queu
 	}
 
 	if (!q->num_buffers) {
+		if (q->waiting_in_dqbuf && *count) {
+			dprintk(1, "another dup()ped fd is waiting for a buffer\n");
+			return -EBUSY;
+		}
 		memset(q->alloc_devs, 0, sizeof(q->alloc_devs));
 		q->memory = memory;
 		q->waiting_for_buffers = !q->is_output;
@@ -1659,6 +1668,11 @@ static int __vb2_wait_for_done_vb(struct
 	for (;;) {
 		int ret;
 
+		if (q->waiting_in_dqbuf) {
+			dprintk(1, "another dup()ped fd is waiting for a buffer\n");
+			return -EBUSY;
+		}
+
 		if (!q->streaming) {
 			dprintk(1, "streaming off, will not wait for buffers\n");
 			return -EINVAL;
@@ -1686,6 +1700,7 @@ static int __vb2_wait_for_done_vb(struct
 			return -EAGAIN;
 		}
 
+		q->waiting_in_dqbuf = 1;
 		/*
 		 * We are streaming and blocking, wait for another buffer to
 		 * become ready or for streamoff. Driver's lock is released to
@@ -1706,6 +1721,7 @@ static int __vb2_wait_for_done_vb(struct
 		 * the locks or return an error if one occurred.
 		 */
 		call_void_qop(q, wait_finish, q);
+		q->waiting_in_dqbuf = 0;
 		if (ret) {
 			dprintk(1, "sleep was interrupted\n");
 			return ret;
@@ -2585,6 +2601,12 @@ static size_t __vb2_perform_fileio(struc
 	if (!data)
 		return -EINVAL;
 
+	if (q->waiting_in_dqbuf) {
+		dprintk(3, "another dup()ped fd is %s\n",
+			read ? "reading" : "writing");
+		return -EBUSY;
+	}
+
 	/*
 	 * Initialize emulator on first call.
 	 */
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/media/dvb-frontends/m88ds3103.c linux-libre-5.1.6-gnu/drivers/media/dvb-frontends/m88ds3103.c
--- linux-libre-5.1.5-gnu/drivers/media/dvb-frontends/m88ds3103.c	2019-05-25 21:19:31.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/media/dvb-frontends/m88ds3103.c	2019-05-31 15:11:20.000000000 -0400
@@ -309,6 +309,9 @@ static int m88ds3103_set_frontend(struct
 	u16 u16tmp;
 	u32 tuner_frequency_khz, target_mclk;
 	s32 s32tmp;
+	static const struct reg_sequence reset_buf[] = {
+		{0x07, 0x80}, {0x07, 0x00}
+	};
 
 	dev_dbg(&client->dev,
 		"delivery_system=%d modulation=%d frequency=%u symbol_rate=%d inversion=%d pilot=%d rolloff=%d\n",
@@ -321,11 +324,7 @@ static int m88ds3103_set_frontend(struct
 	}
 
 	/* reset */
-	ret = regmap_write(dev->regmap, 0x07, 0x80);
-	if (ret)
-		goto err;
-
-	ret = regmap_write(dev->regmap, 0x07, 0x00);
+	ret = regmap_multi_reg_write(dev->regmap, reset_buf, 2);
 	if (ret)
 		goto err;
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/media/dvb-frontends/si2165.c linux-libre-5.1.6-gnu/drivers/media/dvb-frontends/si2165.c
--- linux-libre-5.1.5-gnu/drivers/media/dvb-frontends/si2165.c	2019-05-25 21:19:46.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/media/dvb-frontends/si2165.c	2019-05-31 15:11:34.000000000 -0400
@@ -275,18 +275,20 @@ static u32 si2165_get_fe_clk(struct si21
 
 static int si2165_wait_init_done(struct si2165_state *state)
 {
-	int ret = -EINVAL;
+	int ret;
 	u8 val = 0;
 	int i;
 
 	for (i = 0; i < 3; ++i) {
-		si2165_readreg8(state, REG_INIT_DONE, &val);
+		ret = si2165_readreg8(state, REG_INIT_DONE, &val);
+		if (ret < 0)
+			return ret;
 		if (val == 0x01)
 			return 0;
 		usleep_range(1000, 50000);
 	}
 	dev_err(&state->client->dev, "init_done was not set\n");
-	return ret;
+	return -EINVAL;
 }
 
 static int si2165_upload_firmware_block(struct si2165_state *state,
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/media/i2c/ov2659.c linux-libre-5.1.6-gnu/drivers/media/i2c/ov2659.c
--- linux-libre-5.1.5-gnu/drivers/media/i2c/ov2659.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/media/i2c/ov2659.c	2019-05-31 09:43:59.000000000 -0400
@@ -1117,8 +1117,10 @@ static int ov2659_set_fmt(struct v4l2_su
 		if (ov2659_formats[index].code == mf->code)
 			break;
 
-	if (index < 0)
-		return -EINVAL;
+	if (index < 0) {
+		index = 0;
+		mf->code = ov2659_formats[index].code;
+	}
 
 	mf->colorspace = V4L2_COLORSPACE_SRGB;
 	mf->field = V4L2_FIELD_NONE;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/media/i2c/ov6650.c linux-libre-5.1.6-gnu/drivers/media/i2c/ov6650.c
--- linux-libre-5.1.5-gnu/drivers/media/i2c/ov6650.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/media/i2c/ov6650.c	2019-05-31 09:43:59.000000000 -0400
@@ -810,9 +810,16 @@ static int ov6650_video_probe(struct i2c
 	u8		pidh, pidl, midh, midl;
 	int		ret;
 
+	priv->clk = v4l2_clk_get(&client->dev, NULL);
+	if (IS_ERR(priv->clk)) {
+		ret = PTR_ERR(priv->clk);
+		dev_err(&client->dev, "v4l2_clk request err: %d\n", ret);
+		return ret;
+	}
+
 	ret = ov6650_s_power(&priv->subdev, 1);
 	if (ret < 0)
-		return ret;
+		goto eclkput;
 
 	msleep(20);
 
@@ -849,6 +856,11 @@ static int ov6650_video_probe(struct i2c
 
 done:
 	ov6650_s_power(&priv->subdev, 0);
+	if (!ret)
+		return 0;
+eclkput:
+	v4l2_clk_put(priv->clk);
+
 	return ret;
 }
 
@@ -991,18 +1003,9 @@ static int ov6650_probe(struct i2c_clien
 	priv->code	  = MEDIA_BUS_FMT_YUYV8_2X8;
 	priv->colorspace  = V4L2_COLORSPACE_JPEG;
 
-	priv->clk = v4l2_clk_get(&client->dev, NULL);
-	if (IS_ERR(priv->clk)) {
-		ret = PTR_ERR(priv->clk);
-		goto eclkget;
-	}
-
 	ret = ov6650_video_probe(client);
-	if (ret) {
-		v4l2_clk_put(priv->clk);
-eclkget:
+	if (ret)
 		v4l2_ctrl_handler_free(&priv->hdl);
-	}
 
 	return ret;
 }
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/media/i2c/ov7670.c linux-libre-5.1.6-gnu/drivers/media/i2c/ov7670.c
--- linux-libre-5.1.5-gnu/drivers/media/i2c/ov7670.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/media/i2c/ov7670.c	2019-05-31 09:43:59.000000000 -0400
@@ -1664,6 +1664,7 @@ static int ov7670_s_power(struct v4l2_su
 
 	if (on) {
 		ov7670_power_on (sd);
+		ov7670_init(sd, 0);
 		ov7670_apply_fmt(sd);
 		ov7675_apply_framerate(sd);
 		v4l2_ctrl_handler_setup(&info->hdl);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/media/pci/saa7146/hexium_gemini.c linux-libre-5.1.6-gnu/drivers/media/pci/saa7146/hexium_gemini.c
--- linux-libre-5.1.5-gnu/drivers/media/pci/saa7146/hexium_gemini.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/media/pci/saa7146/hexium_gemini.c	2019-05-31 09:43:59.000000000 -0400
@@ -270,9 +270,8 @@ static int hexium_attach(struct saa7146_
 	/* enable i2c-port pins */
 	saa7146_write(dev, MC1, (MASK_08 | MASK_24 | MASK_10 | MASK_26));
 
-	hexium->i2c_adapter = (struct i2c_adapter) {
-		.name = "hexium gemini",
-	};
+	strscpy(hexium->i2c_adapter.name, "hexium gemini",
+		sizeof(hexium->i2c_adapter.name));
 	saa7146_i2c_adapter_prepare(dev, &hexium->i2c_adapter, SAA7146_I2C_BUS_BIT_RATE_480);
 	if (i2c_add_adapter(&hexium->i2c_adapter) < 0) {
 		DEB_S("cannot register i2c-device. skipping.\n");
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/media/pci/saa7146/hexium_orion.c linux-libre-5.1.6-gnu/drivers/media/pci/saa7146/hexium_orion.c
--- linux-libre-5.1.5-gnu/drivers/media/pci/saa7146/hexium_orion.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/media/pci/saa7146/hexium_orion.c	2019-05-31 09:43:59.000000000 -0400
@@ -231,9 +231,8 @@ static int hexium_probe(struct saa7146_d
 	saa7146_write(dev, DD1_STREAM_B, 0x00000000);
 	saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
 
-	hexium->i2c_adapter = (struct i2c_adapter) {
-		.name = "hexium orion",
-	};
+	strscpy(hexium->i2c_adapter.name, "hexium orion",
+		sizeof(hexium->i2c_adapter.name));
 	saa7146_i2c_adapter_prepare(dev, &hexium->i2c_adapter, SAA7146_I2C_BUS_BIT_RATE_480);
 	if (i2c_add_adapter(&hexium->i2c_adapter) < 0) {
 		DEB_S("cannot register i2c-device. skipping.\n");
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/media/platform/coda/coda-bit.c linux-libre-5.1.6-gnu/drivers/media/platform/coda/coda-bit.c
--- linux-libre-5.1.5-gnu/drivers/media/platform/coda/coda-bit.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/media/platform/coda/coda-bit.c	2019-05-31 09:43:59.000000000 -0400
@@ -2010,6 +2010,9 @@ static int coda_prepare_decode(struct co
 	/* Clear decode success flag */
 	coda_write(dev, 0, CODA_RET_DEC_PIC_SUCCESS);
 
+	/* Clear error return value */
+	coda_write(dev, 0, CODA_RET_DEC_PIC_ERR_MB);
+
 	trace_coda_dec_pic_run(ctx, meta);
 
 	coda_command_async(ctx, CODA_COMMAND_PIC_RUN);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c linux-libre-5.1.6-gnu/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c
--- linux-libre-5.1.5-gnu/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c	2019-05-31 09:43:59.000000000 -0400
@@ -388,7 +388,7 @@ static void mtk_vdec_worker(struct work_
 	}
 	buf.va = vb2_plane_vaddr(&src_buf->vb2_buf, 0);
 	buf.dma_addr = vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 0);
-	buf.size = (size_t)src_buf->planes[0].bytesused;
+	buf.size = (size_t)src_buf->vb2_buf.planes[0].bytesused;
 	if (!buf.va) {
 		v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
 		mtk_v4l2_err("[%d] id=%d src_addr is NULL!!",
@@ -1155,10 +1155,10 @@ static void vb2ops_vdec_buf_queue(struct
 
 	src_mem.va = vb2_plane_vaddr(&src_buf->vb2_buf, 0);
 	src_mem.dma_addr = vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 0);
-	src_mem.size = (size_t)src_buf->planes[0].bytesused;
+	src_mem.size = (size_t)src_buf->vb2_buf.planes[0].bytesused;
 	mtk_v4l2_debug(2,
 			"[%d] buf id=%d va=%p dma=%pad size=%zx",
-			ctx->id, src_buf->index,
+			ctx->id, src_buf->vb2_buf.index,
 			src_mem.va, &src_mem.dma_addr,
 			src_mem.size);
 
@@ -1182,7 +1182,7 @@ static void vb2ops_vdec_buf_queue(struct
 		}
 		mtk_v4l2_debug(ret ? 0 : 1,
 			       "[%d] vdec_if_decode() src_buf=%d, size=%zu, fail=%d, res_chg=%d",
-			       ctx->id, src_buf->index,
+			       ctx->id, src_buf->vb2_buf.index,
 			       src_mem.size, ret, res_chg);
 		return;
 	}
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c linux-libre-5.1.6-gnu/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
--- linux-libre-5.1.5-gnu/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c	2019-05-31 09:43:59.000000000 -0400
@@ -894,7 +894,7 @@ static void vb2ops_venc_stop_streaming(s
 
 	if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
 		while ((dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx))) {
-			dst_buf->planes[0].bytesused = 0;
+			dst_buf->vb2_buf.planes[0].bytesused = 0;
 			v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_ERROR);
 		}
 	} else {
@@ -947,7 +947,7 @@ static int mtk_venc_encode_header(void *
 
 	bs_buf.va = vb2_plane_vaddr(&dst_buf->vb2_buf, 0);
 	bs_buf.dma_addr = vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 0);
-	bs_buf.size = (size_t)dst_buf->planes[0].length;
+	bs_buf.size = (size_t)dst_buf->vb2_buf.planes[0].length;
 
 	mtk_v4l2_debug(1,
 			"[%d] buf id=%d va=0x%p dma_addr=0x%llx size=%zu",
@@ -976,7 +976,7 @@ static int mtk_venc_encode_header(void *
 	}
 
 	ctx->state = MTK_STATE_HEADER;
-	dst_buf->planes[0].bytesused = enc_result.bs_size;
+	dst_buf->vb2_buf.planes[0].bytesused = enc_result.bs_size;
 	v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_DONE);
 
 	return 0;
@@ -1107,12 +1107,12 @@ static void mtk_venc_worker(struct work_
 
 	if (ret) {
 		v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_ERROR);
-		dst_buf->planes[0].bytesused = 0;
+		dst_buf->vb2_buf.planes[0].bytesused = 0;
 		v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_ERROR);
 		mtk_v4l2_err("venc_if_encode failed=%d", ret);
 	} else {
 		v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE);
-		dst_buf->planes[0].bytesused = enc_result.bs_size;
+		dst_buf->vb2_buf.planes[0].bytesused = enc_result.bs_size;
 		v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_DONE);
 		mtk_v4l2_debug(2, "venc_if_encode bs size=%d",
 				 enc_result.bs_size);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/media/platform/stm32/stm32-dcmi.c linux-libre-5.1.6-gnu/drivers/media/platform/stm32/stm32-dcmi.c
--- linux-libre-5.1.5-gnu/drivers/media/platform/stm32/stm32-dcmi.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/media/platform/stm32/stm32-dcmi.c	2019-05-31 09:43:59.000000000 -0400
@@ -811,6 +811,9 @@ static int dcmi_try_fmt(struct stm32_dcm
 
 	sd_fmt = find_format_by_fourcc(dcmi, pix->pixelformat);
 	if (!sd_fmt) {
+		if (!dcmi->num_of_sd_formats)
+			return -ENODATA;
+
 		sd_fmt = dcmi->sd_formats[dcmi->num_of_sd_formats - 1];
 		pix->pixelformat = sd_fmt->fourcc;
 	}
@@ -989,6 +992,9 @@ static int dcmi_set_sensor_format(struct
 
 	sd_fmt = find_format_by_fourcc(dcmi, pix->pixelformat);
 	if (!sd_fmt) {
+		if (!dcmi->num_of_sd_formats)
+			return -ENODATA;
+
 		sd_fmt = dcmi->sd_formats[dcmi->num_of_sd_formats - 1];
 		pix->pixelformat = sd_fmt->fourcc;
 	}
@@ -1645,7 +1651,7 @@ static int dcmi_probe(struct platform_de
 	dcmi->rstc = devm_reset_control_get_exclusive(&pdev->dev, NULL);
 	if (IS_ERR(dcmi->rstc)) {
 		dev_err(&pdev->dev, "Could not get reset control\n");
-		return -ENODEV;
+		return PTR_ERR(dcmi->rstc);
 	}
 
 	/* Get bus characteristics from devicetree */
@@ -1660,7 +1666,7 @@ static int dcmi_probe(struct platform_de
 	of_node_put(np);
 	if (ret) {
 		dev_err(&pdev->dev, "Could not parse the endpoint\n");
-		return -ENODEV;
+		return ret;
 	}
 
 	if (ep.bus_type == V4L2_MBUS_CSI2_DPHY) {
@@ -1673,8 +1679,9 @@ static int dcmi_probe(struct platform_de
 
 	irq = platform_get_irq(pdev, 0);
 	if (irq <= 0) {
-		dev_err(&pdev->dev, "Could not get irq\n");
-		return -ENODEV;
+		if (irq != -EPROBE_DEFER)
+			dev_err(&pdev->dev, "Could not get irq\n");
+		return irq;
 	}
 
 	dcmi->res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -1694,12 +1701,13 @@ static int dcmi_probe(struct platform_de
 					dev_name(&pdev->dev), dcmi);
 	if (ret) {
 		dev_err(&pdev->dev, "Unable to request irq %d\n", irq);
-		return -ENODEV;
+		return ret;
 	}
 
 	mclk = devm_clk_get(&pdev->dev, "mclk");
 	if (IS_ERR(mclk)) {
-		dev_err(&pdev->dev, "Unable to get mclk\n");
+		if (PTR_ERR(mclk) != -EPROBE_DEFER)
+			dev_err(&pdev->dev, "Unable to get mclk\n");
 		return PTR_ERR(mclk);
 	}
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/media/platform/vicodec/codec-fwht.c linux-libre-5.1.6-gnu/drivers/media/platform/vicodec/codec-fwht.c
--- linux-libre-5.1.5-gnu/drivers/media/platform/vicodec/codec-fwht.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/media/platform/vicodec/codec-fwht.c	2019-05-31 09:43:59.000000000 -0400
@@ -46,8 +46,12 @@ static const uint8_t zigzag[64] = {
 	63,
 };
 
-
-static int rlc(const s16 *in, __be16 *output, int blocktype)
+/*
+ * noinline_for_stack to work around
+ * https://bugs.llvm.org/show_bug.cgi?id=38809
+ */
+static int noinline_for_stack
+rlc(const s16 *in, __be16 *output, int blocktype)
 {
 	s16 block[8 * 8];
 	s16 *wp = block;
@@ -106,8 +110,8 @@ static int rlc(const s16 *in, __be16 *ou
  * This function will worst-case increase rlc_in by 65*2 bytes:
  * one s16 value for the header and 8 * 8 coefficients of type s16.
  */
-static u16 derlc(const __be16 **rlc_in, s16 *dwht_out,
-		 const __be16 *end_of_input)
+static noinline_for_stack u16
+derlc(const __be16 **rlc_in, s16 *dwht_out, const __be16 *end_of_input)
 {
 	/* header */
 	const __be16 *input = *rlc_in;
@@ -240,8 +244,9 @@ static void dequantize_inter(s16 *coeff)
 			*coeff <<= *quant;
 }
 
-static void fwht(const u8 *block, s16 *output_block, unsigned int stride,
-		 unsigned int input_step, bool intra)
+static void noinline_for_stack fwht(const u8 *block, s16 *output_block,
+				    unsigned int stride,
+				    unsigned int input_step, bool intra)
 {
 	/* we'll need more than 8 bits for the transformed coefficients */
 	s32 workspace1[8], workspace2[8];
@@ -373,7 +378,8 @@ static void fwht(const u8 *block, s16 *o
  * Furthermore values can be negative... This is just a version that
  * works with 16 signed data
  */
-static void fwht16(const s16 *block, s16 *output_block, int stride, int intra)
+static void noinline_for_stack
+fwht16(const s16 *block, s16 *output_block, int stride, int intra)
 {
 	/* we'll need more than 8 bits for the transformed coefficients */
 	s32 workspace1[8], workspace2[8];
@@ -456,7 +462,8 @@ static void fwht16(const s16 *block, s16
 	}
 }
 
-static void ifwht(const s16 *block, s16 *output_block, int intra)
+static noinline_for_stack void
+ifwht(const s16 *block, s16 *output_block, int intra)
 {
 	/*
 	 * we'll need more than 8 bits for the transformed coefficients
@@ -604,9 +611,9 @@ static int var_inter(const s16 *old, con
 	return ret;
 }
 
-static int decide_blocktype(const u8 *cur, const u8 *reference,
-			    s16 *deltablock, unsigned int stride,
-			    unsigned int input_step)
+static noinline_for_stack int
+decide_blocktype(const u8 *cur, const u8 *reference, s16 *deltablock,
+		 unsigned int stride, unsigned int input_step)
 {
 	s16 tmp[64];
 	s16 old[64];
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/media/platform/vicodec/vicodec-core.c linux-libre-5.1.6-gnu/drivers/media/platform/vicodec/vicodec-core.c
--- linux-libre-5.1.5-gnu/drivers/media/platform/vicodec/vicodec-core.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/media/platform/vicodec/vicodec-core.c	2019-05-31 09:43:59.000000000 -0400
@@ -159,12 +159,10 @@ static int device_process(struct vicodec
 			  struct vb2_v4l2_buffer *dst_vb)
 {
 	struct vicodec_dev *dev = ctx->dev;
-	struct vicodec_q_data *q_dst;
 	struct v4l2_fwht_state *state = &ctx->state;
 	u8 *p_src, *p_dst;
 	int ret;
 
-	q_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
 	if (ctx->is_enc)
 		p_src = vb2_plane_vaddr(&src_vb->vb2_buf, 0);
 	else
@@ -186,8 +184,10 @@ static int device_process(struct vicodec
 			return ret;
 		vb2_set_plane_payload(&dst_vb->vb2_buf, 0, ret);
 	} else {
+		struct vicodec_q_data *q_dst;
 		unsigned int comp_frame_size = ntohl(ctx->state.header.size);
 
+		q_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
 		if (comp_frame_size > ctx->comp_max_size)
 			return -EINVAL;
 		state->info = q_dst->info;
@@ -196,11 +196,6 @@ static int device_process(struct vicodec
 			return ret;
 		vb2_set_plane_payload(&dst_vb->vb2_buf, 0, q_dst->sizeimage);
 	}
-
-	dst_vb->sequence = q_dst->sequence++;
-	dst_vb->flags &= ~V4L2_BUF_FLAG_LAST;
-	v4l2_m2m_buf_copy_metadata(src_vb, dst_vb, !ctx->is_enc);
-
 	return 0;
 }
 
@@ -274,16 +269,22 @@ static void device_run(void *priv)
 	struct vicodec_ctx *ctx = priv;
 	struct vicodec_dev *dev = ctx->dev;
 	struct vb2_v4l2_buffer *src_buf, *dst_buf;
-	struct vicodec_q_data *q_src;
+	struct vicodec_q_data *q_src, *q_dst;
 	u32 state;
 
 	src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
 	dst_buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
 	q_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
+	q_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
 
 	state = VB2_BUF_STATE_DONE;
 	if (device_process(ctx, src_buf, dst_buf))
 		state = VB2_BUF_STATE_ERROR;
+	else
+		dst_buf->sequence = q_dst->sequence++;
+	dst_buf->flags &= ~V4L2_BUF_FLAG_LAST;
+	v4l2_m2m_buf_copy_metadata(src_buf, dst_buf, !ctx->is_enc);
+
 	ctx->last_dst_buf = dst_buf;
 
 	spin_lock(ctx->lock);
@@ -1338,8 +1339,11 @@ static int vicodec_start_streaming(struc
 	chroma_div = info->width_div * info->height_div;
 	q_data->sequence = 0;
 
-	ctx->last_src_buf = NULL;
-	ctx->last_dst_buf = NULL;
+	if (V4L2_TYPE_IS_OUTPUT(q->type))
+		ctx->last_src_buf = NULL;
+	else
+		ctx->last_dst_buf = NULL;
+
 	state->gop_cnt = 0;
 
 	if ((V4L2_TYPE_IS_OUTPUT(q->type) && !ctx->is_enc) ||
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/media/platform/video-mux.c linux-libre-5.1.6-gnu/drivers/media/platform/video-mux.c
--- linux-libre-5.1.5-gnu/drivers/media/platform/video-mux.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/media/platform/video-mux.c	2019-05-31 09:43:59.000000000 -0400
@@ -419,9 +419,14 @@ static int video_mux_probe(struct platfo
 	vmux->active = -1;
 	vmux->pads = devm_kcalloc(dev, num_pads, sizeof(*vmux->pads),
 				  GFP_KERNEL);
+	if (!vmux->pads)
+		return -ENOMEM;
+
 	vmux->format_mbus = devm_kcalloc(dev, num_pads,
 					 sizeof(*vmux->format_mbus),
 					 GFP_KERNEL);
+	if (!vmux->format_mbus)
+		return -ENOMEM;
 
 	for (i = 0; i < num_pads; i++) {
 		vmux->pads[i].flags = (i < num_pads - 1) ? MEDIA_PAD_FL_SINK
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/media/platform/vim2m.c linux-libre-5.1.6-gnu/drivers/media/platform/vim2m.c
--- linux-libre-5.1.5-gnu/drivers/media/platform/vim2m.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/media/platform/vim2m.c	2019-05-31 09:43:59.000000000 -0400
@@ -1262,6 +1262,15 @@ static int vim2m_release(struct file *fi
 	return 0;
 }
 
+static void vim2m_device_release(struct video_device *vdev)
+{
+	struct vim2m_dev *dev = container_of(vdev, struct vim2m_dev, vfd);
+
+	v4l2_device_unregister(&dev->v4l2_dev);
+	v4l2_m2m_release(dev->m2m_dev);
+	kfree(dev);
+}
+
 static const struct v4l2_file_operations vim2m_fops = {
 	.owner		= THIS_MODULE,
 	.open		= vim2m_open,
@@ -1277,7 +1286,7 @@ static const struct video_device vim2m_v
 	.fops		= &vim2m_fops,
 	.ioctl_ops	= &vim2m_ioctl_ops,
 	.minor		= -1,
-	.release	= video_device_release_empty,
+	.release	= vim2m_device_release,
 	.device_caps	= V4L2_CAP_VIDEO_M2M | V4L2_CAP_STREAMING,
 };
 
@@ -1298,13 +1307,13 @@ static int vim2m_probe(struct platform_d
 	struct video_device *vfd;
 	int ret;
 
-	dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
+	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
 	if (!dev)
 		return -ENOMEM;
 
 	ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev);
 	if (ret)
-		return ret;
+		goto error_free;
 
 	atomic_set(&dev->num_inst, 0);
 	mutex_init(&dev->dev_mutex);
@@ -1317,7 +1326,7 @@ static int vim2m_probe(struct platform_d
 	ret = video_register_device(vfd, VFL_TYPE_GRABBER, 0);
 	if (ret) {
 		v4l2_err(&dev->v4l2_dev, "Failed to register video device\n");
-		goto unreg_v4l2;
+		goto error_v4l2;
 	}
 
 	video_set_drvdata(vfd, dev);
@@ -1330,7 +1339,7 @@ static int vim2m_probe(struct platform_d
 	if (IS_ERR(dev->m2m_dev)) {
 		v4l2_err(&dev->v4l2_dev, "Failed to init mem2mem device\n");
 		ret = PTR_ERR(dev->m2m_dev);
-		goto unreg_dev;
+		goto error_dev;
 	}
 
 #ifdef CONFIG_MEDIA_CONTROLLER
@@ -1346,27 +1355,29 @@ static int vim2m_probe(struct platform_d
 						 MEDIA_ENT_F_PROC_VIDEO_SCALER);
 	if (ret) {
 		v4l2_err(&dev->v4l2_dev, "Failed to init mem2mem media controller\n");
-		goto unreg_m2m;
+		goto error_m2m;
 	}
 
 	ret = media_device_register(&dev->mdev);
 	if (ret) {
 		v4l2_err(&dev->v4l2_dev, "Failed to register mem2mem media device\n");
-		goto unreg_m2m_mc;
+		goto error_m2m_mc;
 	}
 #endif
 	return 0;
 
 #ifdef CONFIG_MEDIA_CONTROLLER
-unreg_m2m_mc:
+error_m2m_mc:
 	v4l2_m2m_unregister_media_controller(dev->m2m_dev);
-unreg_m2m:
+error_m2m:
 	v4l2_m2m_release(dev->m2m_dev);
 #endif
-unreg_dev:
+error_dev:
 	video_unregister_device(&dev->vfd);
-unreg_v4l2:
+error_v4l2:
 	v4l2_device_unregister(&dev->v4l2_dev);
+error_free:
+	kfree(dev);
 
 	return ret;
 }
@@ -1382,9 +1393,7 @@ static int vim2m_remove(struct platform_
 	v4l2_m2m_unregister_media_controller(dev->m2m_dev);
 	media_device_cleanup(&dev->mdev);
 #endif
-	v4l2_m2m_release(dev->m2m_dev);
 	video_unregister_device(&dev->vfd);
-	v4l2_device_unregister(&dev->v4l2_dev);
 
 	return 0;
 }
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/media/platform/vimc/vimc-core.c linux-libre-5.1.6-gnu/drivers/media/platform/vimc/vimc-core.c
--- linux-libre-5.1.5-gnu/drivers/media/platform/vimc/vimc-core.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/media/platform/vimc/vimc-core.c	2019-05-31 09:43:59.000000000 -0400
@@ -304,6 +304,8 @@ static int vimc_probe(struct platform_de
 
 	dev_dbg(&pdev->dev, "probe");
 
+	memset(&vimc->mdev, 0, sizeof(vimc->mdev));
+
 	/* Create platform_device for each entity in the topology*/
 	vimc->subdevs = devm_kcalloc(&vimc->pdev.dev, vimc->pipe_cfg->num_ents,
 				     sizeof(*vimc->subdevs), GFP_KERNEL);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/media/platform/vimc/vimc-streamer.c linux-libre-5.1.6-gnu/drivers/media/platform/vimc/vimc-streamer.c
--- linux-libre-5.1.5-gnu/drivers/media/platform/vimc/vimc-streamer.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/media/platform/vimc/vimc-streamer.c	2019-05-31 09:43:59.000000000 -0400
@@ -120,7 +120,6 @@ static int vimc_streamer_thread(void *da
 	int i;
 
 	set_freezable();
-	set_current_state(TASK_UNINTERRUPTIBLE);
 
 	for (;;) {
 		try_to_freeze();
@@ -137,6 +136,7 @@ static int vimc_streamer_thread(void *da
 				break;
 		}
 		//wait for 60hz
+		set_current_state(TASK_UNINTERRUPTIBLE);
 		schedule_timeout(HZ / 60);
 	}
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/media/platform/vivid/vivid-vid-cap.c linux-libre-5.1.6-gnu/drivers/media/platform/vivid/vivid-vid-cap.c
--- linux-libre-5.1.5-gnu/drivers/media/platform/vivid/vivid-vid-cap.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/media/platform/vivid/vivid-vid-cap.c	2019-05-31 09:43:59.000000000 -0400
@@ -1007,7 +1007,7 @@ int vivid_vid_cap_s_selection(struct fil
 		v4l2_rect_map_inside(&s->r, &dev->fmt_cap_rect);
 		if (dev->bitmap_cap && (compose->width != s->r.width ||
 					compose->height != s->r.height)) {
-			kfree(dev->bitmap_cap);
+			vfree(dev->bitmap_cap);
 			dev->bitmap_cap = NULL;
 		}
 		*compose = s->r;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/media/radio/wl128x/fmdrv_common.c linux-libre-5.1.6-gnu/drivers/media/radio/wl128x/fmdrv_common.c
--- linux-libre-5.1.5-gnu/drivers/media/radio/wl128x/fmdrv_common.c	2019-05-25 21:23:04.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/media/radio/wl128x/fmdrv_common.c	2019-05-31 15:14:48.000000000 -0400
@@ -489,7 +489,8 @@ int fmc_send_cmd(struct fmdev *fmdev, u8
 		return -EIO;
 	}
 	/* Send response data to caller */
-	if (response != NULL && response_len != NULL && evt_hdr->dlen) {
+	if (response != NULL && response_len != NULL && evt_hdr->dlen &&
+	    evt_hdr->dlen <= payload_len) {
 		/* Skip header info and copy only response data */
 		skb_pull(skb, sizeof(struct fm_event_msg_hdr));
 		memcpy(response, skb->data, evt_hdr->dlen);
@@ -583,6 +584,8 @@ static void fm_irq_handle_flag_getcmd_re
 		return;
 
 	fm_evt_hdr = (void *)skb->data;
+	if (fm_evt_hdr->dlen > sizeof(fmdev->irq_info.flag))
+		return;
 
 	/* Skip header info and copy only response data */
 	skb_pull(skb, sizeof(struct fm_event_msg_hdr));
@@ -1308,7 +1311,7 @@ static int load_default_rx_configuration
 static int fm_power_up(struct fmdev *fmdev, u8 mode)
 {
 	u16 payload;
-	__be16 asic_id, asic_ver;
+	__be16 asic_id = 0, asic_ver = 0;
 	int resp_len, ret;
 	u8 fw_name[50];
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/media/rc/serial_ir.c linux-libre-5.1.6-gnu/drivers/media/rc/serial_ir.c
--- linux-libre-5.1.5-gnu/drivers/media/rc/serial_ir.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/media/rc/serial_ir.c	2019-05-31 09:43:59.000000000 -0400
@@ -773,8 +773,6 @@ static void serial_ir_exit(void)
 
 static int __init serial_ir_init_module(void)
 {
-	int result;
-
 	switch (type) {
 	case IR_HOMEBREW:
 	case IR_IRDEO:
@@ -802,12 +800,7 @@ static int __init serial_ir_init_module(
 	if (sense != -1)
 		sense = !!sense;
 
-	result = serial_ir_init();
-	if (!result)
-		return 0;
-
-	serial_ir_exit();
-	return result;
+	return serial_ir_init();
 }
 
 static void __exit serial_ir_exit_module(void)
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/media/usb/au0828/au0828-video.c linux-libre-5.1.6-gnu/drivers/media/usb/au0828/au0828-video.c
--- linux-libre-5.1.5-gnu/drivers/media/usb/au0828/au0828-video.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/media/usb/au0828/au0828-video.c	2019-05-31 09:43:59.000000000 -0400
@@ -758,6 +758,9 @@ static int au0828_analog_stream_enable(s
 
 	dprintk(1, "au0828_analog_stream_enable called\n");
 
+	if (test_bit(DEV_DISCONNECTED, &d->dev_state))
+		return -ENODEV;
+
 	iface = usb_ifnum_to_if(d->usbdev, 0);
 	if (iface && iface->cur_altsetting->desc.bAlternateSetting != 5) {
 		dprintk(1, "Changing intf#0 to alt 5\n");
@@ -839,9 +842,9 @@ int au0828_start_analog_streaming(struct
 			return rc;
 		}
 
+		v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 1);
+
 		if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
-			v4l2_device_call_all(&dev->v4l2_dev, 0, video,
-						s_stream, 1);
 			dev->vid_timeout_running = 1;
 			mod_timer(&dev->vid_timeout, jiffies + (HZ / 10));
 		} else if (vq->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
@@ -861,10 +864,11 @@ static void au0828_stop_streaming(struct
 
 	dprintk(1, "au0828_stop_streaming called %d\n", dev->streaming_users);
 
-	if (dev->streaming_users-- == 1)
+	if (dev->streaming_users-- == 1) {
 		au0828_uninit_isoc(dev);
+		v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 0);
+	}
 
-	v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 0);
 	dev->vid_timeout_running = 0;
 	del_timer_sync(&dev->vid_timeout);
 
@@ -893,8 +897,10 @@ void au0828_stop_vbi_streaming(struct vb
 	dprintk(1, "au0828_stop_vbi_streaming called %d\n",
 		dev->streaming_users);
 
-	if (dev->streaming_users-- == 1)
+	if (dev->streaming_users-- == 1) {
 		au0828_uninit_isoc(dev);
+		v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 0);
+	}
 
 	spin_lock_irqsave(&dev->slock, flags);
 	if (dev->isoc_ctl.vbi_buf != NULL) {
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/media/usb/cpia2/cpia2_v4l.c linux-libre-5.1.6-gnu/drivers/media/usb/cpia2/cpia2_v4l.c
--- linux-libre-5.1.5-gnu/drivers/media/usb/cpia2/cpia2_v4l.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/media/usb/cpia2/cpia2_v4l.c	2019-05-31 09:43:59.000000000 -0400
@@ -1240,8 +1240,7 @@ static int __init cpia2_init(void)
 	LOG("%s v%s\n",
 	    ABOUT, CPIA_VERSION);
 	check_parameters();
-	cpia2_usb_init();
-	return 0;
+	return cpia2_usb_init();
 }
 
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/media/usb/dvb-usb-v2/dvbsky.c linux-libre-5.1.6-gnu/drivers/media/usb/dvb-usb-v2/dvbsky.c
--- linux-libre-5.1.5-gnu/drivers/media/usb/dvb-usb-v2/dvbsky.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/media/usb/dvb-usb-v2/dvbsky.c	2019-05-31 09:43:59.000000000 -0400
@@ -615,16 +615,18 @@ static int dvbsky_init(struct dvb_usb_de
 	return 0;
 }
 
-static void dvbsky_exit(struct dvb_usb_device *d)
+static int dvbsky_frontend_detach(struct dvb_usb_adapter *adap)
 {
+	struct dvb_usb_device *d = adap_to_d(adap);
 	struct dvbsky_state *state = d_to_priv(d);
-	struct dvb_usb_adapter *adap = &d->adapter[0];
+
+	dev_dbg(&d->udev->dev, "%s: adap=%d\n", __func__, adap->id);
 
 	dvb_module_release(state->i2c_client_tuner);
 	dvb_module_release(state->i2c_client_demod);
 	dvb_module_release(state->i2c_client_ci);
 
-	adap->fe[0] = NULL;
+	return 0;
 }
 
 /* DVB USB Driver stuff */
@@ -640,11 +642,11 @@ static struct dvb_usb_device_properties
 
 	.i2c_algo         = &dvbsky_i2c_algo,
 	.frontend_attach  = dvbsky_s960_attach,
+	.frontend_detach  = dvbsky_frontend_detach,
 	.init             = dvbsky_init,
 	.get_rc_config    = dvbsky_get_rc_config,
 	.streaming_ctrl   = dvbsky_streaming_ctrl,
 	.identify_state	  = dvbsky_identify_state,
-	.exit             = dvbsky_exit,
 	.read_mac_address = dvbsky_read_mac_addr,
 
 	.num_adapters = 1,
@@ -667,11 +669,11 @@ static struct dvb_usb_device_properties
 
 	.i2c_algo         = &dvbsky_i2c_algo,
 	.frontend_attach  = dvbsky_s960c_attach,
+	.frontend_detach  = dvbsky_frontend_detach,
 	.init             = dvbsky_init,
 	.get_rc_config    = dvbsky_get_rc_config,
 	.streaming_ctrl   = dvbsky_streaming_ctrl,
 	.identify_state	  = dvbsky_identify_state,
-	.exit             = dvbsky_exit,
 	.read_mac_address = dvbsky_read_mac_addr,
 
 	.num_adapters = 1,
@@ -694,11 +696,11 @@ static struct dvb_usb_device_properties
 
 	.i2c_algo         = &dvbsky_i2c_algo,
 	.frontend_attach  = dvbsky_t680c_attach,
+	.frontend_detach  = dvbsky_frontend_detach,
 	.init             = dvbsky_init,
 	.get_rc_config    = dvbsky_get_rc_config,
 	.streaming_ctrl   = dvbsky_streaming_ctrl,
 	.identify_state	  = dvbsky_identify_state,
-	.exit             = dvbsky_exit,
 	.read_mac_address = dvbsky_read_mac_addr,
 
 	.num_adapters = 1,
@@ -721,11 +723,11 @@ static struct dvb_usb_device_properties
 
 	.i2c_algo         = &dvbsky_i2c_algo,
 	.frontend_attach  = dvbsky_t330_attach,
+	.frontend_detach  = dvbsky_frontend_detach,
 	.init             = dvbsky_init,
 	.get_rc_config    = dvbsky_get_rc_config,
 	.streaming_ctrl   = dvbsky_streaming_ctrl,
 	.identify_state	  = dvbsky_identify_state,
-	.exit             = dvbsky_exit,
 	.read_mac_address = dvbsky_read_mac_addr,
 
 	.num_adapters = 1,
@@ -748,11 +750,11 @@ static struct dvb_usb_device_properties
 
 	.i2c_algo         = &dvbsky_i2c_algo,
 	.frontend_attach  = dvbsky_mygica_t230c_attach,
+	.frontend_detach  = dvbsky_frontend_detach,
 	.init             = dvbsky_init,
 	.get_rc_config    = dvbsky_get_rc_config,
 	.streaming_ctrl   = dvbsky_streaming_ctrl,
 	.identify_state	  = dvbsky_identify_state,
-	.exit             = dvbsky_exit,
 
 	.num_adapters = 1,
 	.adapter = {
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/media/usb/go7007/go7007-fw.c linux-libre-5.1.6-gnu/drivers/media/usb/go7007/go7007-fw.c
--- linux-libre-5.1.5-gnu/drivers/media/usb/go7007/go7007-fw.c	2019-05-25 21:22:17.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/media/usb/go7007/go7007-fw.c	2019-05-31 15:14:02.000000000 -0400
@@ -1499,8 +1499,8 @@ static int modet_to_package(struct go700
 	return cnt;
 }
 
-static int do_special(struct go7007 *go, u16 type, __le16 *code, int space,
-			int *framelen)
+static noinline_for_stack int do_special(struct go7007 *go, u16 type,
+					 __le16 *code, int space, int *framelen)
 {
 	switch (type) {
 	case SPECIAL_FRM_HEAD:
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/media/usb/gspca/gspca.c linux-libre-5.1.6-gnu/drivers/media/usb/gspca/gspca.c
--- linux-libre-5.1.5-gnu/drivers/media/usb/gspca/gspca.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/media/usb/gspca/gspca.c	2019-05-31 09:43:59.000000000 -0400
@@ -294,7 +294,7 @@ static void fill_frame(struct gspca_dev
 		/* check the packet status and length */
 		st = urb->iso_frame_desc[i].status;
 		if (st) {
-			pr_err("ISOC data error: [%d] len=%d, status=%d\n",
+			gspca_dbg(gspca_dev, D_PACK, "ISOC data error: [%d] len=%d, status=%d\n",
 			       i, len, st);
 			gspca_dev->last_packet_type = DISCARD_PACKET;
 			continue;
@@ -314,6 +314,8 @@ static void fill_frame(struct gspca_dev
 	}
 
 resubmit:
+	if (!gspca_dev->streaming)
+		return;
 	/* resubmit the URB */
 	st = usb_submit_urb(urb, GFP_ATOMIC);
 	if (st < 0)
@@ -330,7 +332,7 @@ static void isoc_irq(struct urb *urb)
 	struct gspca_dev *gspca_dev = (struct gspca_dev *) urb->context;
 
 	gspca_dbg(gspca_dev, D_PACK, "isoc irq\n");
-	if (!vb2_start_streaming_called(&gspca_dev->queue))
+	if (!gspca_dev->streaming)
 		return;
 	fill_frame(gspca_dev, urb);
 }
@@ -344,7 +346,7 @@ static void bulk_irq(struct urb *urb)
 	int st;
 
 	gspca_dbg(gspca_dev, D_PACK, "bulk irq\n");
-	if (!vb2_start_streaming_called(&gspca_dev->queue))
+	if (!gspca_dev->streaming)
 		return;
 	switch (urb->status) {
 	case 0:
@@ -367,6 +369,8 @@ static void bulk_irq(struct urb *urb)
 				urb->actual_length);
 
 resubmit:
+	if (!gspca_dev->streaming)
+		return;
 	/* resubmit the URB */
 	if (gspca_dev->cam.bulk_nurbs != 0) {
 		st = usb_submit_urb(urb, GFP_ATOMIC);
@@ -1638,6 +1642,8 @@ void gspca_disconnect(struct usb_interfa
 
 	mutex_lock(&gspca_dev->usb_lock);
 	gspca_dev->present = false;
+	destroy_urbs(gspca_dev);
+	gspca_input_destroy_urb(gspca_dev);
 
 	vb2_queue_error(&gspca_dev->queue);
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/media/usb/pvrusb2/pvrusb2-hdw.c linux-libre-5.1.6-gnu/drivers/media/usb/pvrusb2/pvrusb2-hdw.c
--- linux-libre-5.1.5-gnu/drivers/media/usb/pvrusb2/pvrusb2-hdw.c	2019-05-25 21:22:05.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/media/usb/pvrusb2/pvrusb2-hdw.c	2019-05-31 15:13:51.000000000 -0400
@@ -666,6 +666,8 @@ static int ctrl_get_input(struct pvr2_ct
 
 static int ctrl_check_input(struct pvr2_ctrl *cptr,int v)
 {
+	if (v < 0 || v > PVR2_CVAL_INPUT_MAX)
+		return 0;
 	return ((1 << v) & cptr->hdw->input_allowed_mask) != 0;
 }
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/media/usb/pvrusb2/pvrusb2-hdw.h linux-libre-5.1.6-gnu/drivers/media/usb/pvrusb2/pvrusb2-hdw.h
--- linux-libre-5.1.5-gnu/drivers/media/usb/pvrusb2/pvrusb2-hdw.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/media/usb/pvrusb2/pvrusb2-hdw.h	2019-05-31 09:43:59.000000000 -0400
@@ -50,6 +50,7 @@
 #define PVR2_CVAL_INPUT_COMPOSITE 2
 #define PVR2_CVAL_INPUT_SVIDEO 3
 #define PVR2_CVAL_INPUT_RADIO 4
+#define PVR2_CVAL_INPUT_MAX PVR2_CVAL_INPUT_RADIO
 
 enum pvr2_config {
 	pvr2_config_empty,    /* No configuration */
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/media/v4l2-core/v4l2-fwnode.c linux-libre-5.1.6-gnu/drivers/media/v4l2-core/v4l2-fwnode.c
--- linux-libre-5.1.5-gnu/drivers/media/v4l2-core/v4l2-fwnode.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/media/v4l2-core/v4l2-fwnode.c	2019-05-31 09:43:59.000000000 -0400
@@ -225,6 +225,10 @@ static int v4l2_fwnode_endpoint_parse_cs
 	if (bus_type == V4L2_MBUS_CSI2_DPHY ||
 	    bus_type == V4L2_MBUS_CSI2_CPHY || lanes_used ||
 	    have_clk_lane || (flags & ~V4L2_MBUS_CSI2_CONTINUOUS_CLOCK)) {
+		/* Only D-PHY has a clock lane. */
+		unsigned int dfl_data_lane_index =
+			bus_type == V4L2_MBUS_CSI2_DPHY;
+
 		bus->flags = flags;
 		if (bus_type == V4L2_MBUS_UNKNOWN)
 			vep->bus_type = V4L2_MBUS_CSI2_DPHY;
@@ -233,7 +237,7 @@ static int v4l2_fwnode_endpoint_parse_cs
 		if (use_default_lane_mapping) {
 			bus->clock_lane = 0;
 			for (i = 0; i < num_data_lanes; i++)
-				bus->data_lanes[i] = 1 + i;
+				bus->data_lanes[i] = dfl_data_lane_index + i;
 		} else {
 			bus->clock_lane = clock_lane;
 			for (i = 0; i < num_data_lanes; i++)
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/misc/fastrpc.c linux-libre-5.1.6-gnu/drivers/misc/fastrpc.c
--- linux-libre-5.1.5-gnu/drivers/misc/fastrpc.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/misc/fastrpc.c	2019-05-31 09:43:59.000000000 -0400
@@ -667,8 +667,16 @@ static int fastrpc_get_args(u32 kernel,
 		pages[i].size = roundup(len, PAGE_SIZE);
 
 		if (ctx->maps[i]) {
+			struct vm_area_struct *vma = NULL;
+
 			rpra[i].pv = (u64) ctx->args[i].ptr;
 			pages[i].addr = ctx->maps[i]->phys;
+
+			vma = find_vma(current->mm, ctx->args[i].ptr);
+			if (vma)
+				pages[i].addr += ctx->args[i].ptr -
+						 vma->vm_start;
+
 		} else {
 			rlen -= ALIGN(args, FASTRPC_ALIGN) - args;
 			args = ALIGN(args, FASTRPC_ALIGN);
@@ -782,6 +790,9 @@ static int fastrpc_internal_invoke(struc
 		if (err)
 			goto bail;
 	}
+
+	/* make sure that all CPU memory writes are seen by DSP */
+	dma_wmb();
 	/* Send invoke buffer to remote dsp */
 	err = fastrpc_invoke_send(fl->sctx, ctx, kernel, handle);
 	if (err)
@@ -798,6 +809,8 @@ static int fastrpc_internal_invoke(struc
 		goto bail;
 
 	if (ctx->nscalars) {
+		/* make sure that all memory writes by DSP are seen by CPU */
+		dma_rmb();
 		/* populate all the output buffers with results */
 		err = fastrpc_put_args(ctx, kernel);
 		if (err)
@@ -843,12 +856,12 @@ static int fastrpc_init_create_process(s
 
 	if (copy_from_user(&init, argp, sizeof(init))) {
 		err = -EFAULT;
-		goto bail;
+		goto err;
 	}
 
 	if (init.filelen > INIT_FILELEN_MAX) {
 		err = -EINVAL;
-		goto bail;
+		goto err;
 	}
 
 	inbuf.pgid = fl->tgid;
@@ -862,17 +875,15 @@ static int fastrpc_init_create_process(s
 	if (init.filelen && init.filefd) {
 		err = fastrpc_map_create(fl, init.filefd, init.filelen, &map);
 		if (err)
-			goto bail;
+			goto err;
 	}
 
 	memlen = ALIGN(max(INIT_FILELEN_MAX, (int)init.filelen * 4),
 		       1024 * 1024);
 	err = fastrpc_buf_alloc(fl, fl->sctx->dev, memlen,
 				&imem);
-	if (err) {
-		fastrpc_map_put(map);
-		goto bail;
-	}
+	if (err)
+		goto err_alloc;
 
 	fl->init_mem = imem;
 	args[0].ptr = (u64)(uintptr_t)&inbuf;
@@ -908,13 +919,24 @@ static int fastrpc_init_create_process(s
 
 	err = fastrpc_internal_invoke(fl, true, FASTRPC_INIT_HANDLE,
 				      sc, args);
+	if (err)
+		goto err_invoke;
 
-	if (err) {
+	kfree(args);
+
+	return 0;
+
+err_invoke:
+	fl->init_mem = NULL;
+	fastrpc_buf_free(imem);
+err_alloc:
+	if (map) {
+		spin_lock(&fl->lock);
+		list_del(&map->node);
+		spin_unlock(&fl->lock);
 		fastrpc_map_put(map);
-		fastrpc_buf_free(imem);
 	}
-
-bail:
+err:
 	kfree(args);
 
 	return err;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/misc/habanalabs/device.c linux-libre-5.1.6-gnu/drivers/misc/habanalabs/device.c
--- linux-libre-5.1.5-gnu/drivers/misc/habanalabs/device.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/misc/habanalabs/device.c	2019-05-31 09:43:59.000000000 -0400
@@ -498,11 +498,8 @@ disable_device:
 	return rc;
 }
 
-static void hl_device_hard_reset_pending(struct work_struct *work)
+static void device_kill_open_processes(struct hl_device *hdev)
 {
-	struct hl_device_reset_work *device_reset_work =
-		container_of(work, struct hl_device_reset_work, reset_work);
-	struct hl_device *hdev = device_reset_work->hdev;
 	u16 pending_total, pending_cnt;
 	struct task_struct *task = NULL;
 
@@ -537,6 +534,12 @@ static void hl_device_hard_reset_pending
 		}
 	}
 
+	/* We killed the open users, but because the driver cleans up after the
+	 * user contexts are closed (e.g. mmu mappings), we need to wait again
+	 * to make sure the cleaning phase is finished before continuing with
+	 * the reset
+	 */
+
 	pending_cnt = pending_total;
 
 	while ((atomic_read(&hdev->fd_open_cnt)) && (pending_cnt)) {
@@ -552,6 +555,16 @@ static void hl_device_hard_reset_pending
 
 	mutex_unlock(&hdev->fd_open_cnt_lock);
 
+}
+
+static void device_hard_reset_pending(struct work_struct *work)
+{
+	struct hl_device_reset_work *device_reset_work =
+		container_of(work, struct hl_device_reset_work, reset_work);
+	struct hl_device *hdev = device_reset_work->hdev;
+
+	device_kill_open_processes(hdev);
+
 	hl_device_reset(hdev, true, true);
 
 	kfree(device_reset_work);
@@ -635,7 +648,7 @@ again:
 		 * from a dedicated work
 		 */
 		INIT_WORK(&device_reset_work->reset_work,
-				hl_device_hard_reset_pending);
+				device_hard_reset_pending);
 		device_reset_work->hdev = hdev;
 		schedule_work(&device_reset_work->reset_work);
 
@@ -1035,6 +1048,15 @@ void hl_device_fini(struct hl_device *hd
 	/* Mark device as disabled */
 	hdev->disabled = true;
 
+	/*
+	 * Flush anyone that is inside the critical section of enqueue
+	 * jobs to the H/W
+	 */
+	hdev->asic_funcs->hw_queues_lock(hdev);
+	hdev->asic_funcs->hw_queues_unlock(hdev);
+
+	device_kill_open_processes(hdev);
+
 	hl_hwmon_fini(hdev);
 
 	device_late_fini(hdev);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/misc/habanalabs/goya/goya.c linux-libre-5.1.6-gnu/drivers/misc/habanalabs/goya/goya.c
--- linux-libre-5.1.5-gnu/drivers/misc/habanalabs/goya/goya.c	2019-05-25 21:37:53.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/misc/habanalabs/goya/goya.c	2019-05-31 15:29:48.000000000 -0400
@@ -4407,6 +4407,9 @@ static u64 goya_read_pte(struct hl_devic
 {
 	struct goya_device *goya = hdev->asic_specific;
 
+	if (hdev->hard_reset_pending)
+		return U64_MAX;
+
 	return readq(hdev->pcie_bar[DDR_BAR_ID] +
 			(addr - goya->ddr_bar_cur_addr));
 }
@@ -4415,6 +4418,9 @@ static void goya_write_pte(struct hl_dev
 {
 	struct goya_device *goya = hdev->asic_specific;
 
+	if (hdev->hard_reset_pending)
+		return;
+
 	writeq(val, hdev->pcie_bar[DDR_BAR_ID] +
 			(addr - goya->ddr_bar_cur_addr));
 }
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/misc/habanalabs/memory.c linux-libre-5.1.6-gnu/drivers/misc/habanalabs/memory.c
--- linux-libre-5.1.5-gnu/drivers/misc/habanalabs/memory.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/misc/habanalabs/memory.c	2019-05-31 09:43:59.000000000 -0400
@@ -1046,10 +1046,17 @@ static int unmap_device_va(struct hl_ctx
 
 	mutex_lock(&ctx->mmu_lock);
 
-	for (i = 0 ; i < phys_pg_pack->npages ; i++, next_vaddr += page_size)
+	for (i = 0 ; i < phys_pg_pack->npages ; i++, next_vaddr += page_size) {
 		if (hl_mmu_unmap(ctx, next_vaddr, page_size))
 			dev_warn_ratelimited(hdev->dev,
-				"unmap failed for vaddr: 0x%llx\n", next_vaddr);
+			"unmap failed for vaddr: 0x%llx\n", next_vaddr);
+
+		/* unmapping on Palladium can be really long, so avoid a CPU
+		 * soft lockup bug by sleeping a little between unmapping pages
+		 */
+		if (hdev->pldm)
+			usleep_range(500, 1000);
+	}
 
 	hdev->asic_funcs->mmu_invalidate_cache(hdev, true);
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/mmc/core/pwrseq_emmc.c linux-libre-5.1.6-gnu/drivers/mmc/core/pwrseq_emmc.c
--- linux-libre-5.1.5-gnu/drivers/mmc/core/pwrseq_emmc.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/mmc/core/pwrseq_emmc.c	2019-05-31 09:43:59.000000000 -0400
@@ -30,19 +30,14 @@ struct mmc_pwrseq_emmc {
 
 #define to_pwrseq_emmc(p) container_of(p, struct mmc_pwrseq_emmc, pwrseq)
 
-static void __mmc_pwrseq_emmc_reset(struct mmc_pwrseq_emmc *pwrseq)
-{
-	gpiod_set_value(pwrseq->reset_gpio, 1);
-	udelay(1);
-	gpiod_set_value(pwrseq->reset_gpio, 0);
-	udelay(200);
-}
-
 static void mmc_pwrseq_emmc_reset(struct mmc_host *host)
 {
 	struct mmc_pwrseq_emmc *pwrseq =  to_pwrseq_emmc(host->pwrseq);
 
-	__mmc_pwrseq_emmc_reset(pwrseq);
+	gpiod_set_value_cansleep(pwrseq->reset_gpio, 1);
+	udelay(1);
+	gpiod_set_value_cansleep(pwrseq->reset_gpio, 0);
+	udelay(200);
 }
 
 static int mmc_pwrseq_emmc_reset_nb(struct notifier_block *this,
@@ -50,8 +45,11 @@ static int mmc_pwrseq_emmc_reset_nb(stru
 {
 	struct mmc_pwrseq_emmc *pwrseq = container_of(this,
 					struct mmc_pwrseq_emmc, reset_nb);
+	gpiod_set_value(pwrseq->reset_gpio, 1);
+	udelay(1);
+	gpiod_set_value(pwrseq->reset_gpio, 0);
+	udelay(200);
 
-	__mmc_pwrseq_emmc_reset(pwrseq);
 	return NOTIFY_DONE;
 }
 
@@ -72,14 +70,18 @@ static int mmc_pwrseq_emmc_probe(struct
 	if (IS_ERR(pwrseq->reset_gpio))
 		return PTR_ERR(pwrseq->reset_gpio);
 
-	/*
-	 * register reset handler to ensure emmc reset also from
-	 * emergency_reboot(), priority 255 is the highest priority
-	 * so it will be executed before any system reboot handler.
-	 */
-	pwrseq->reset_nb.notifier_call = mmc_pwrseq_emmc_reset_nb;
-	pwrseq->reset_nb.priority = 255;
-	register_restart_handler(&pwrseq->reset_nb);
+	if (!gpiod_cansleep(pwrseq->reset_gpio)) {
+		/*
+		 * register reset handler to ensure emmc reset also from
+		 * emergency_reboot(), priority 255 is the highest priority
+		 * so it will be executed before any system reboot handler.
+		 */
+		pwrseq->reset_nb.notifier_call = mmc_pwrseq_emmc_reset_nb;
+		pwrseq->reset_nb.priority = 255;
+		register_restart_handler(&pwrseq->reset_nb);
+	} else {
+		dev_notice(dev, "EMMC reset pin tied to a sleepy GPIO driver; reset on emergency-reboot disabled\n");
+	}
 
 	pwrseq->pwrseq.ops = &mmc_pwrseq_emmc_ops;
 	pwrseq->pwrseq.dev = dev;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/mmc/core/sd.c linux-libre-5.1.6-gnu/drivers/mmc/core/sd.c
--- linux-libre-5.1.5-gnu/drivers/mmc/core/sd.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/mmc/core/sd.c	2019-05-31 09:43:59.000000000 -0400
@@ -221,6 +221,14 @@ static int mmc_decode_scr(struct mmc_car
 
 	if (scr->sda_spec3)
 		scr->cmds = UNSTUFF_BITS(resp, 32, 2);
+
+	/* SD Spec says: any SD Card shall set at least bits 0 and 2 */
+	if (!(scr->bus_widths & SD_SCR_BUS_WIDTH_1) ||
+	    !(scr->bus_widths & SD_SCR_BUS_WIDTH_4)) {
+		pr_err("%s: invalid bus width\n", mmc_hostname(card->host));
+		return -EINVAL;
+	}
+
 	return 0;
 }
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/mmc/host/mmc_spi.c linux-libre-5.1.6-gnu/drivers/mmc/host/mmc_spi.c
--- linux-libre-5.1.5-gnu/drivers/mmc/host/mmc_spi.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/mmc/host/mmc_spi.c	2019-05-31 09:43:59.000000000 -0400
@@ -819,6 +819,10 @@ mmc_spi_readblock(struct mmc_spi_host *h
 	}
 
 	status = spi_sync_locked(spi, &host->m);
+	if (status < 0) {
+		dev_dbg(&spi->dev, "read error %d\n", status);
+		return status;
+	}
 
 	if (host->dma_dev) {
 		dma_sync_single_for_cpu(host->dma_dev,
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/mmc/host/sdhci-iproc.c linux-libre-5.1.6-gnu/drivers/mmc/host/sdhci-iproc.c
--- linux-libre-5.1.5-gnu/drivers/mmc/host/sdhci-iproc.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/mmc/host/sdhci-iproc.c	2019-05-31 09:43:59.000000000 -0400
@@ -196,7 +196,8 @@ static const struct sdhci_ops sdhci_ipro
 };
 
 static const struct sdhci_pltfm_data sdhci_iproc_cygnus_pltfm_data = {
-	.quirks = SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK,
+	.quirks = SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK |
+		  SDHCI_QUIRK_NO_HISPD_BIT,
 	.quirks2 = SDHCI_QUIRK2_ACMD23_BROKEN | SDHCI_QUIRK2_HOST_OFF_CARD_ON,
 	.ops = &sdhci_iproc_32only_ops,
 };
@@ -219,7 +220,8 @@ static const struct sdhci_iproc_data ipr
 
 static const struct sdhci_pltfm_data sdhci_iproc_pltfm_data = {
 	.quirks = SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK |
-		  SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12,
+		  SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12 |
+		  SDHCI_QUIRK_NO_HISPD_BIT,
 	.quirks2 = SDHCI_QUIRK2_ACMD23_BROKEN,
 	.ops = &sdhci_iproc_ops,
 };
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/mmc/host/sdhci-of-esdhc.c linux-libre-5.1.6-gnu/drivers/mmc/host/sdhci-of-esdhc.c
--- linux-libre-5.1.5-gnu/drivers/mmc/host/sdhci-of-esdhc.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/mmc/host/sdhci-of-esdhc.c	2019-05-31 09:43:59.000000000 -0400
@@ -694,6 +694,9 @@ static void esdhc_reset(struct sdhci_hos
 	sdhci_writel(host, host->ier, SDHCI_INT_ENABLE);
 	sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE);
 
+	if (of_find_compatible_node(NULL, NULL, "fsl,p2020-esdhc"))
+		mdelay(5);
+
 	if (mask & SDHCI_RESET_ALL) {
 		val = sdhci_readl(host, ESDHC_TBCTL);
 		val &= ~ESDHC_TB_EN;
@@ -1074,6 +1077,11 @@ static int sdhci_esdhc_probe(struct plat
 	if (esdhc->vendor_ver > VENDOR_V_22)
 		host->quirks &= ~SDHCI_QUIRK_NO_BUSY_IRQ;
 
+	if (of_find_compatible_node(NULL, NULL, "fsl,p2020-esdhc")) {
+		host->quirks2 |= SDHCI_QUIRK_RESET_AFTER_REQUEST;
+		host->quirks2 |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL;
+	}
+
 	if (of_device_is_compatible(np, "fsl,p5040-esdhc") ||
 	    of_device_is_compatible(np, "fsl,p5020-esdhc") ||
 	    of_device_is_compatible(np, "fsl,p4080-esdhc") ||
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/ethernet/amazon/ena/ena_netdev.c linux-libre-5.1.6-gnu/drivers/net/ethernet/amazon/ena/ena_netdev.c
--- linux-libre-5.1.5-gnu/drivers/net/ethernet/amazon/ena/ena_netdev.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/ethernet/amazon/ena/ena_netdev.c	2019-05-31 09:43:59.000000000 -0400
@@ -224,28 +224,23 @@ static int ena_setup_tx_resources(struct
 	if (!tx_ring->tx_buffer_info) {
 		tx_ring->tx_buffer_info = vzalloc(size);
 		if (!tx_ring->tx_buffer_info)
-			return -ENOMEM;
+			goto err_tx_buffer_info;
 	}
 
 	size = sizeof(u16) * tx_ring->ring_size;
 	tx_ring->free_tx_ids = vzalloc_node(size, node);
 	if (!tx_ring->free_tx_ids) {
 		tx_ring->free_tx_ids = vzalloc(size);
-		if (!tx_ring->free_tx_ids) {
-			vfree(tx_ring->tx_buffer_info);
-			return -ENOMEM;
-		}
+		if (!tx_ring->free_tx_ids)
+			goto err_free_tx_ids;
 	}
 
 	size = tx_ring->tx_max_header_size;
 	tx_ring->push_buf_intermediate_buf = vzalloc_node(size, node);
 	if (!tx_ring->push_buf_intermediate_buf) {
 		tx_ring->push_buf_intermediate_buf = vzalloc(size);
-		if (!tx_ring->push_buf_intermediate_buf) {
-			vfree(tx_ring->tx_buffer_info);
-			vfree(tx_ring->free_tx_ids);
-			return -ENOMEM;
-		}
+		if (!tx_ring->push_buf_intermediate_buf)
+			goto err_push_buf_intermediate_buf;
 	}
 
 	/* Req id ring for TX out of order completions */
@@ -259,6 +254,15 @@ static int ena_setup_tx_resources(struct
 	tx_ring->next_to_clean = 0;
 	tx_ring->cpu = ena_irq->cpu;
 	return 0;
+
+err_push_buf_intermediate_buf:
+	vfree(tx_ring->free_tx_ids);
+	tx_ring->free_tx_ids = NULL;
+err_free_tx_ids:
+	vfree(tx_ring->tx_buffer_info);
+	tx_ring->tx_buffer_info = NULL;
+err_tx_buffer_info:
+	return -ENOMEM;
 }
 
 /* ena_free_tx_resources - Free I/O Tx Resources per Queue
@@ -378,6 +382,7 @@ static int ena_setup_rx_resources(struct
 		rx_ring->free_rx_ids = vzalloc(size);
 		if (!rx_ring->free_rx_ids) {
 			vfree(rx_ring->rx_buffer_info);
+			rx_ring->rx_buffer_info = NULL;
 			return -ENOMEM;
 		}
 	}
@@ -2292,7 +2297,7 @@ static void ena_config_host_info(struct
 	host_info->bdf = (pdev->bus->number << 8) | pdev->devfn;
 	host_info->os_type = ENA_ADMIN_OS_LINUX;
 	host_info->kernel_ver = LINUX_VERSION_CODE;
-	strncpy(host_info->kernel_ver_str, utsname()->version,
+	strlcpy(host_info->kernel_ver_str, utsname()->version,
 		sizeof(host_info->kernel_ver_str) - 1);
 	host_info->os_dist = 0;
 	strncpy(host_info->os_dist_str, utsname()->release,
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/ethernet/chelsio/cxgb3/l2t.h linux-libre-5.1.6-gnu/drivers/net/ethernet/chelsio/cxgb3/l2t.h
--- linux-libre-5.1.5-gnu/drivers/net/ethernet/chelsio/cxgb3/l2t.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/ethernet/chelsio/cxgb3/l2t.h	2019-05-31 09:43:59.000000000 -0400
@@ -75,8 +75,8 @@ struct l2t_data {
 	struct l2t_entry *rover;	/* starting point for next allocation */
 	atomic_t nfree;		/* number of free entries */
 	rwlock_t lock;
-	struct l2t_entry l2tab[0];
 	struct rcu_head rcu_head;	/* to handle rcu cleanup */
+	struct l2t_entry l2tab[];
 };
 
 typedef void (*arp_failure_handler_func)(struct t3cdev * dev,
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c linux-libre-5.1.6-gnu/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
--- linux-libre-5.1.5-gnu/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c	2019-05-25 21:24:13.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c	2019-05-31 15:15:55.000000000 -0400
@@ -6159,15 +6159,24 @@ static int __init cxgb4_init_module(void
 
 	ret = pci_register_driver(&cxgb4_driver);
 	if (ret < 0)
-		debugfs_remove(cxgb4_debugfs_root);
+		goto err_pci;
 
 #if IS_ENABLED(CONFIG_IPV6)
 	if (!inet6addr_registered) {
-		register_inet6addr_notifier(&cxgb4_inet6addr_notifier);
-		inet6addr_registered = true;
+		ret = register_inet6addr_notifier(&cxgb4_inet6addr_notifier);
+		if (ret)
+			pci_unregister_driver(&cxgb4_driver);
+		else
+			inet6addr_registered = true;
 	}
 #endif
 
+	if (ret == 0)
+		return ret;
+
+err_pci:
+	debugfs_remove(cxgb4_debugfs_root);
+
 	return ret;
 }
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c linux-libre-5.1.6-gnu/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
--- linux-libre-5.1.5-gnu/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c	2019-05-31 09:43:59.000000000 -0400
@@ -2796,6 +2796,7 @@ int dpaa2_eth_set_hash(struct net_device
 static int dpaa2_eth_set_cls(struct dpaa2_eth_priv *priv)
 {
 	struct device *dev = priv->net_dev->dev.parent;
+	int err;
 
 	/* Check if we actually support Rx flow classification */
 	if (dpaa2_eth_has_legacy_dist(priv)) {
@@ -2814,9 +2815,13 @@ static int dpaa2_eth_set_cls(struct dpaa
 		return -EOPNOTSUPP;
 	}
 
+	err = dpaa2_eth_set_dist_key(priv->net_dev, DPAA2_ETH_RX_DIST_CLS, 0);
+	if (err)
+		return err;
+
 	priv->rx_cls_enabled = 1;
 
-	return dpaa2_eth_set_dist_key(priv->net_dev, DPAA2_ETH_RX_DIST_CLS, 0);
+	return 0;
 }
 
 /* Bind the DPNI to its needed objects and resources: buffer pool, DPIOs,
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h linux-libre-5.1.6-gnu/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h
--- linux-libre-5.1.5-gnu/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h	2019-05-31 09:43:59.000000000 -0400
@@ -107,7 +107,7 @@ struct hclgevf_mbx_arq_ring {
 	struct hclgevf_dev *hdev;
 	u32 head;
 	u32 tail;
-	u32 count;
+	atomic_t count;
 	u16 msg_q[HCLGE_MBX_MAX_ARQ_MSG_NUM][HCLGE_MBX_MAX_ARQ_MSG_SIZE];
 };
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c linux-libre-5.1.6-gnu/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
--- linux-libre-5.1.5-gnu/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c	2019-05-31 09:43:59.000000000 -0400
@@ -2705,7 +2705,7 @@ int hns3_clean_rx_ring(
 #define RCB_NOF_ALLOC_RX_BUFF_ONCE 16
 	struct net_device *netdev = ring->tqp->handle->kinfo.netdev;
 	int recv_pkts, recv_bds, clean_count, err;
-	int unused_count = hns3_desc_unused(ring) - ring->pending_buf;
+	int unused_count = hns3_desc_unused(ring);
 	struct sk_buff *skb = ring->skb;
 	int num;
 
@@ -2714,6 +2714,7 @@ int hns3_clean_rx_ring(
 
 	recv_pkts = 0, recv_bds = 0, clean_count = 0;
 	num -= unused_count;
+	unused_count -= ring->pending_buf;
 
 	while (recv_pkts < budget && recv_bds < num) {
 		/* Reuse or realloc buffers */
@@ -3773,12 +3774,13 @@ static int hns3_recover_hw_addr(struct n
 	struct netdev_hw_addr *ha, *tmp;
 	int ret = 0;
 
+	netif_addr_lock_bh(ndev);
 	/* go through and sync uc_addr entries to the device */
 	list = &ndev->uc;
 	list_for_each_entry_safe(ha, tmp, &list->list, list) {
 		ret = hns3_nic_uc_sync(ndev, ha->addr);
 		if (ret)
-			return ret;
+			goto out;
 	}
 
 	/* go through and sync mc_addr entries to the device */
@@ -3786,9 +3788,11 @@ static int hns3_recover_hw_addr(struct n
 	list_for_each_entry_safe(ha, tmp, &list->list, list) {
 		ret = hns3_nic_mc_sync(ndev, ha->addr);
 		if (ret)
-			return ret;
+			goto out;
 	}
 
+out:
+	netif_addr_unlock_bh(ndev);
 	return ret;
 }
 
@@ -3799,6 +3803,7 @@ static void hns3_remove_hw_addr(struct n
 
 	hns3_nic_uc_unsync(netdev, netdev->dev_addr);
 
+	netif_addr_lock_bh(netdev);
 	/* go through and unsync uc_addr entries to the device */
 	list = &netdev->uc;
 	list_for_each_entry_safe(ha, tmp, &list->list, list)
@@ -3809,6 +3814,8 @@ static void hns3_remove_hw_addr(struct n
 	list_for_each_entry_safe(ha, tmp, &list->list, list)
 		if (ha->refcount > 1)
 			hns3_nic_mc_unsync(netdev, ha->addr);
+
+	netif_addr_unlock_bh(netdev);
 }
 
 static void hns3_clear_tx_ring(struct hns3_enet_ring *ring)
@@ -3850,6 +3857,13 @@ static int hns3_clear_rx_ring(struct hns
 		ring_ptr_move_fw(ring, next_to_use);
 	}
 
+	/* Free the pending skb in rx ring */
+	if (ring->skb) {
+		dev_kfree_skb_any(ring->skb);
+		ring->skb = NULL;
+		ring->pending_buf = 0;
+	}
+
 	return 0;
 }
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c linux-libre-5.1.6-gnu/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
--- linux-libre-5.1.5-gnu/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c	2019-05-31 09:43:59.000000000 -0400
@@ -483,6 +483,11 @@ static void hns3_get_stats(struct net_de
 	struct hnae3_handle *h = hns3_get_handle(netdev);
 	u64 *p = data;
 
+	if (hns3_nic_resetting(netdev)) {
+		netdev_err(netdev, "dev resetting, could not get stats\n");
+		return;
+	}
+
 	if (!h->ae_algo->ops->get_stats || !h->ae_algo->ops->update_stats) {
 		netdev_err(netdev, "could not get any statistics\n");
 		return;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c linux-libre-5.1.6-gnu/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c
--- linux-libre-5.1.5-gnu/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c	2019-05-31 09:43:59.000000000 -0400
@@ -373,21 +373,26 @@ int hclge_cmd_init(struct hclge_dev *hde
 	 * reset may happen when lower level reset is being processed.
 	 */
 	if ((hclge_is_reset_pending(hdev))) {
-		set_bit(HCLGE_STATE_CMD_DISABLE, &hdev->state);
-		return -EBUSY;
+		ret = -EBUSY;
+		goto err_cmd_init;
 	}
 
 	ret = hclge_cmd_query_firmware_version(&hdev->hw, &version);
 	if (ret) {
 		dev_err(&hdev->pdev->dev,
 			"firmware version query failed %d\n", ret);
-		return ret;
+		goto err_cmd_init;
 	}
 	hdev->fw_version = version;
 
 	dev_info(&hdev->pdev->dev, "The firmware version is %08x\n", version);
 
 	return 0;
+
+err_cmd_init:
+	set_bit(HCLGE_STATE_CMD_DISABLE, &hdev->state);
+
+	return ret;
 }
 
 static void hclge_cmd_uninit_regs(struct hclge_hw *hw)
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c linux-libre-5.1.6-gnu/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c
--- linux-libre-5.1.5-gnu/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c	2019-05-31 09:43:59.000000000 -0400
@@ -1331,8 +1331,11 @@ int hclge_pause_setup_hw(struct hclge_de
 	ret = hclge_pfc_setup_hw(hdev);
 	if (init && ret == -EOPNOTSUPP)
 		dev_warn(&hdev->pdev->dev, "GE MAC does not support pfc\n");
-	else
+	else if (ret) {
+		dev_err(&hdev->pdev->dev, "config pfc failed! ret = %d\n",
+			ret);
 		return ret;
+	}
 
 	return hclge_tm_bp_setup(hdev);
 }
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c linux-libre-5.1.6-gnu/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c
--- linux-libre-5.1.5-gnu/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c	2019-05-31 09:43:59.000000000 -0400
@@ -327,7 +327,7 @@ int hclgevf_cmd_init(struct hclgevf_dev
 	hdev->arq.hdev = hdev;
 	hdev->arq.head = 0;
 	hdev->arq.tail = 0;
-	hdev->arq.count = 0;
+	atomic_set(&hdev->arq.count, 0);
 	hdev->hw.cmq.csq.next_to_clean = 0;
 	hdev->hw.cmq.csq.next_to_use = 0;
 	hdev->hw.cmq.crq.next_to_clean = 0;
@@ -344,8 +344,8 @@ int hclgevf_cmd_init(struct hclgevf_dev
 	 * reset may happen when lower level reset is being processed.
 	 */
 	if (hclgevf_is_reset_pending(hdev)) {
-		set_bit(HCLGEVF_STATE_CMD_DISABLE, &hdev->state);
-		return -EBUSY;
+		ret = -EBUSY;
+		goto err_cmd_init;
 	}
 
 	/* get firmware version */
@@ -353,13 +353,18 @@ int hclgevf_cmd_init(struct hclgevf_dev
 	if (ret) {
 		dev_err(&hdev->pdev->dev,
 			"failed(%d) to query firmware version\n", ret);
-		return ret;
+		goto err_cmd_init;
 	}
 	hdev->fw_version = version;
 
 	dev_info(&hdev->pdev->dev, "The firmware version is %08x\n", version);
 
 	return 0;
+
+err_cmd_init:
+	set_bit(HCLGEVF_STATE_CMD_DISABLE, &hdev->state);
+
+	return ret;
 }
 
 static void hclgevf_cmd_uninit_regs(struct hclgevf_hw *hw)
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c linux-libre-5.1.6-gnu/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
--- linux-libre-5.1.5-gnu/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c	2019-05-31 09:43:59.000000000 -0400
@@ -2007,9 +2007,15 @@ static int hclgevf_set_alive(struct hnae
 static int hclgevf_client_start(struct hnae3_handle *handle)
 {
 	struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+	int ret;
+
+	ret = hclgevf_set_alive(handle, true);
+	if (ret)
+		return ret;
 
 	mod_timer(&hdev->keep_alive_timer, jiffies + 2 * HZ);
-	return hclgevf_set_alive(handle, true);
+
+	return 0;
 }
 
 static void hclgevf_client_stop(struct hnae3_handle *handle)
@@ -2051,6 +2057,10 @@ static void hclgevf_state_uninit(struct
 {
 	set_bit(HCLGEVF_STATE_DOWN, &hdev->state);
 
+	if (hdev->keep_alive_timer.function)
+		del_timer_sync(&hdev->keep_alive_timer);
+	if (hdev->keep_alive_task.func)
+		cancel_work_sync(&hdev->keep_alive_task);
 	if (hdev->service_timer.function)
 		del_timer_sync(&hdev->service_timer);
 	if (hdev->service_task.func)
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c linux-libre-5.1.6-gnu/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c
--- linux-libre-5.1.5-gnu/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c	2019-05-31 09:43:59.000000000 -0400
@@ -208,7 +208,8 @@ void hclgevf_mbx_handler(struct hclgevf_
 			/* we will drop the async msg if we find ARQ as full
 			 * and continue with next message
 			 */
-			if (hdev->arq.count >= HCLGE_MBX_MAX_ARQ_MSG_NUM) {
+			if (atomic_read(&hdev->arq.count) >=
+			    HCLGE_MBX_MAX_ARQ_MSG_NUM) {
 				dev_warn(&hdev->pdev->dev,
 					 "Async Q full, dropping msg(%d)\n",
 					 req->msg[1]);
@@ -220,7 +221,7 @@ void hclgevf_mbx_handler(struct hclgevf_
 			memcpy(&msg_q[0], req->msg,
 			       HCLGE_MBX_MAX_ARQ_MSG_SIZE * sizeof(u16));
 			hclge_mbx_tail_ptr_move_arq(hdev->arq);
-			hdev->arq.count++;
+			atomic_inc(&hdev->arq.count);
 
 			hclgevf_mbx_task_schedule(hdev);
 
@@ -308,7 +309,7 @@ void hclgevf_mbx_async_handler(struct hc
 		}
 
 		hclge_mbx_head_ptr_move_arq(hdev->arq);
-		hdev->arq.count--;
+		atomic_dec(&hdev->arq.count);
 		msg_q = hdev->arq.msg_q[hdev->arq.head];
 	}
 }
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/ethernet/intel/e1000e/netdev.c linux-libre-5.1.6-gnu/drivers/net/ethernet/intel/e1000e/netdev.c
--- linux-libre-5.1.5-gnu/drivers/net/ethernet/intel/e1000e/netdev.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/ethernet/intel/e1000e/netdev.c	2019-05-31 09:43:59.000000000 -0400
@@ -7350,7 +7350,7 @@ static int e1000_probe(struct pci_dev *p
 
 	dev_pm_set_driver_flags(&pdev->dev, DPM_FLAG_NEVER_SKIP);
 
-	if (pci_dev_run_wake(pdev))
+	if (pci_dev_run_wake(pdev) && hw->mac.type < e1000_pch_cnp)
 		pm_runtime_put_noidle(&pdev->dev);
 
 	return 0;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/ethernet/intel/i40e/i40e_main.c linux-libre-5.1.6-gnu/drivers/net/ethernet/intel/i40e/i40e_main.c
--- linux-libre-5.1.5-gnu/drivers/net/ethernet/intel/i40e/i40e_main.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/ethernet/intel/i40e/i40e_main.c	2019-05-31 09:43:59.000000000 -0400
@@ -2654,6 +2654,10 @@ void i40e_vlan_stripping_enable(struct i
 	struct i40e_vsi_context ctxt;
 	i40e_status ret;
 
+	/* Don't modify stripping options if a port VLAN is active */
+	if (vsi->info.pvid)
+		return;
+
 	if ((vsi->info.valid_sections &
 	     cpu_to_le16(I40E_AQ_VSI_PROP_VLAN_VALID)) &&
 	    ((vsi->info.port_vlan_flags & I40E_AQ_VSI_PVLAN_MODE_MASK) == 0))
@@ -2684,6 +2688,10 @@ void i40e_vlan_stripping_disable(struct
 	struct i40e_vsi_context ctxt;
 	i40e_status ret;
 
+	/* Don't modify stripping options if a port VLAN is active */
+	if (vsi->info.pvid)
+		return;
+
 	if ((vsi->info.valid_sections &
 	     cpu_to_le16(I40E_AQ_VSI_PROP_VLAN_VALID)) &&
 	    ((vsi->info.port_vlan_flags & I40E_AQ_VSI_PVLAN_EMOD_MASK) ==
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c linux-libre-5.1.6-gnu/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
--- linux-libre-5.1.5-gnu/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c	2019-05-31 09:43:59.000000000 -0400
@@ -181,7 +181,7 @@ static inline bool i40e_vc_isvalid_vsi_i
  * check for the valid queue id
  **/
 static inline bool i40e_vc_isvalid_queue_id(struct i40e_vf *vf, u16 vsi_id,
-					    u8 qid)
+					    u16 qid)
 {
 	struct i40e_pf *pf = vf->pf;
 	struct i40e_vsi *vsi = i40e_find_vsi_from_id(pf, vsi_id);
@@ -2454,8 +2454,10 @@ error_param:
 				      (u8 *)&stats, sizeof(stats));
 }
 
-/* If the VF is not trusted restrict the number of MAC/VLAN it can program */
-#define I40E_VC_MAX_MAC_ADDR_PER_VF 12
+/* If the VF is not trusted restrict the number of MAC/VLAN it can program
+ * MAC filters: 16 for multicast, 1 for MAC, 1 for broadcast
+ */
+#define I40E_VC_MAX_MAC_ADDR_PER_VF (16 + 1 + 1)
 #define I40E_VC_MAX_VLAN_PER_VF 8
 
 /**
@@ -3374,7 +3376,7 @@ static int i40e_vc_add_cloud_filter(stru
 
 	if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
 		aq_ret = I40E_ERR_PARAM;
-		goto err;
+		goto err_out;
 	}
 
 	if (!vf->adq_enabled) {
@@ -3382,7 +3384,7 @@ static int i40e_vc_add_cloud_filter(stru
 			 "VF %d: ADq is not enabled, can't apply cloud filter\n",
 			 vf->vf_id);
 		aq_ret = I40E_ERR_PARAM;
-		goto err;
+		goto err_out;
 	}
 
 	if (i40e_validate_cloud_filter(vf, vcf)) {
@@ -3390,7 +3392,7 @@ static int i40e_vc_add_cloud_filter(stru
 			 "VF %d: Invalid input/s, can't apply cloud filter\n",
 			 vf->vf_id);
 		aq_ret = I40E_ERR_PARAM;
-		goto err;
+		goto err_out;
 	}
 
 	cfilter = kzalloc(sizeof(*cfilter), GFP_KERNEL);
@@ -3451,13 +3453,17 @@ static int i40e_vc_add_cloud_filter(stru
 			"VF %d: Failed to add cloud filter, err %s aq_err %s\n",
 			vf->vf_id, i40e_stat_str(&pf->hw, ret),
 			i40e_aq_str(&pf->hw, pf->hw.aq.asq_last_status));
-		goto err;
+		goto err_free;
 	}
 
 	INIT_HLIST_NODE(&cfilter->cloud_node);
 	hlist_add_head(&cfilter->cloud_node, &vf->cloud_filter_list);
+	/* release the pointer passing it to the collection */
+	cfilter = NULL;
 	vf->num_cloud_filters++;
-err:
+err_free:
+	kfree(cfilter);
+err_out:
 	return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_ADD_CLOUD_FILTER,
 				       aq_ret);
 }
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/ethernet/intel/ice/ice.h linux-libre-5.1.6-gnu/drivers/net/ethernet/intel/ice/ice.h
--- linux-libre-5.1.5-gnu/drivers/net/ethernet/intel/ice/ice.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/ethernet/intel/ice/ice.h	2019-05-31 09:43:59.000000000 -0400
@@ -277,6 +277,7 @@ struct ice_q_vector {
 	 * value to the device
 	 */
 	u8 intrl;
+	u8 itr_countdown;	/* when 0 should adjust adaptive ITR */
 } ____cacheline_internodealigned_in_smp;
 
 enum ice_pf_flags {
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/ethernet/intel/ice/ice_lib.c linux-libre-5.1.6-gnu/drivers/net/ethernet/intel/ice/ice_lib.c
--- linux-libre-5.1.5-gnu/drivers/net/ethernet/intel/ice/ice_lib.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/ethernet/intel/ice/ice_lib.c	2019-05-31 09:43:59.000000000 -0400
@@ -1848,6 +1848,10 @@ int ice_vsi_manage_vlan_insertion(struct
 	 */
 	ctxt->info.vlan_flags = ICE_AQ_VSI_VLAN_MODE_ALL;
 
+	/* Preserve existing VLAN strip setting */
+	ctxt->info.vlan_flags |= (vsi->info.vlan_flags &
+				  ICE_AQ_VSI_VLAN_EMOD_M);
+
 	ctxt->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_VLAN_VALID);
 
 	status = ice_update_vsi(hw, vsi->idx, ctxt, NULL);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/ethernet/intel/ice/ice_main.c linux-libre-5.1.6-gnu/drivers/net/ethernet/intel/ice/ice_main.c
--- linux-libre-5.1.5-gnu/drivers/net/ethernet/intel/ice/ice_main.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/ethernet/intel/ice/ice_main.c	2019-05-31 09:43:59.000000000 -0400
@@ -342,6 +342,10 @@ ice_prepare_for_reset(struct ice_pf *pf)
 {
 	struct ice_hw *hw = &pf->hw;
 
+	/* already prepared for reset */
+	if (test_bit(__ICE_PREPARED_FOR_RESET, pf->state))
+		return;
+
 	/* Notify VFs of impending reset */
 	if (ice_check_sq_alive(hw, &hw->mailboxq))
 		ice_vc_notify_reset(pf);
@@ -416,10 +420,15 @@ static void ice_reset_subtask(struct ice
 	 * for the reset now), poll for reset done, rebuild and return.
 	 */
 	if (test_bit(__ICE_RESET_OICR_RECV, pf->state)) {
-		clear_bit(__ICE_GLOBR_RECV, pf->state);
-		clear_bit(__ICE_CORER_RECV, pf->state);
-		if (!test_bit(__ICE_PREPARED_FOR_RESET, pf->state))
-			ice_prepare_for_reset(pf);
+		/* Perform the largest reset requested */
+		if (test_and_clear_bit(__ICE_CORER_RECV, pf->state))
+			reset_type = ICE_RESET_CORER;
+		if (test_and_clear_bit(__ICE_GLOBR_RECV, pf->state))
+			reset_type = ICE_RESET_GLOBR;
+		/* return if no valid reset type requested */
+		if (reset_type == ICE_RESET_INVAL)
+			return;
+		ice_prepare_for_reset(pf);
 
 		/* make sure we are ready to rebuild */
 		if (ice_check_reset(&pf->hw)) {
@@ -2545,6 +2554,9 @@ static int ice_set_features(struct net_d
 	struct ice_vsi *vsi = np->vsi;
 	int ret = 0;
 
+	/* Multiple features can be changed in one call so keep features in
+	 * separate if/else statements to guarantee each feature is checked
+	 */
 	if (features & NETIF_F_RXHASH && !(netdev->features & NETIF_F_RXHASH))
 		ret = ice_vsi_manage_rss_lut(vsi, true);
 	else if (!(features & NETIF_F_RXHASH) &&
@@ -2557,8 +2569,9 @@ static int ice_set_features(struct net_d
 	else if (!(features & NETIF_F_HW_VLAN_CTAG_RX) &&
 		 (netdev->features & NETIF_F_HW_VLAN_CTAG_RX))
 		ret = ice_vsi_manage_vlan_stripping(vsi, false);
-	else if ((features & NETIF_F_HW_VLAN_CTAG_TX) &&
-		 !(netdev->features & NETIF_F_HW_VLAN_CTAG_TX))
+
+	if ((features & NETIF_F_HW_VLAN_CTAG_TX) &&
+	    !(netdev->features & NETIF_F_HW_VLAN_CTAG_TX))
 		ret = ice_vsi_manage_vlan_insertion(vsi);
 	else if (!(features & NETIF_F_HW_VLAN_CTAG_TX) &&
 		 (netdev->features & NETIF_F_HW_VLAN_CTAG_TX))
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/ethernet/intel/ice/ice_txrx.c linux-libre-5.1.6-gnu/drivers/net/ethernet/intel/ice/ice_txrx.c
--- linux-libre-5.1.5-gnu/drivers/net/ethernet/intel/ice/ice_txrx.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/ethernet/intel/ice/ice_txrx.c	2019-05-31 09:43:59.000000000 -0400
@@ -1048,18 +1048,257 @@ static int ice_clean_rx_irq(struct ice_r
 	return failure ? budget : (int)total_rx_pkts;
 }
 
+static unsigned int ice_itr_divisor(struct ice_port_info *pi)
+{
+	switch (pi->phy.link_info.link_speed) {
+	case ICE_AQ_LINK_SPEED_40GB:
+		return ICE_ITR_ADAPTIVE_MIN_INC * 1024;
+	case ICE_AQ_LINK_SPEED_25GB:
+	case ICE_AQ_LINK_SPEED_20GB:
+		return ICE_ITR_ADAPTIVE_MIN_INC * 512;
+	case ICE_AQ_LINK_SPEED_100MB:
+		return ICE_ITR_ADAPTIVE_MIN_INC * 32;
+	default:
+		return ICE_ITR_ADAPTIVE_MIN_INC * 256;
+	}
+}
+
+/**
+ * ice_update_itr - update the adaptive ITR value based on statistics
+ * @q_vector: structure containing interrupt and ring information
+ * @rc: structure containing ring performance data
+ *
+ * Stores a new ITR value based on packets and byte
+ * counts during the last interrupt.  The advantage of per interrupt
+ * computation is faster updates and more accurate ITR for the current
+ * traffic pattern.  Constants in this function were computed
+ * based on theoretical maximum wire speed and thresholds were set based
+ * on testing data as well as attempting to minimize response time
+ * while increasing bulk throughput.
+ */
+static void
+ice_update_itr(struct ice_q_vector *q_vector, struct ice_ring_container *rc)
+{
+	unsigned int avg_wire_size, packets, bytes, itr;
+	unsigned long next_update = jiffies;
+	bool container_is_rx;
+
+	if (!rc->ring || !ITR_IS_DYNAMIC(rc->itr_setting))
+		return;
+
+	/* If itr_countdown is set it means we programmed an ITR within
+	 * the last 4 interrupt cycles. This has a side effect of us
+	 * potentially firing an early interrupt. In order to work around
+	 * this we need to throw out any data received for a few
+	 * interrupts following the update.
+	 */
+	if (q_vector->itr_countdown) {
+		itr = rc->target_itr;
+		goto clear_counts;
+	}
+
+	container_is_rx = (&q_vector->rx == rc);
+	/* For Rx we want to push the delay up and default to low latency.
+	 * for Tx we want to pull the delay down and default to high latency.
+	 */
+	itr = container_is_rx ?
+		ICE_ITR_ADAPTIVE_MIN_USECS | ICE_ITR_ADAPTIVE_LATENCY :
+		ICE_ITR_ADAPTIVE_MAX_USECS | ICE_ITR_ADAPTIVE_LATENCY;
+
+	/* If we didn't update within up to 1 - 2 jiffies we can assume
+	 * that either packets are coming in so slow there hasn't been
+	 * any work, or that there is so much work that NAPI is dealing
+	 * with interrupt moderation and we don't need to do anything.
+	 */
+	if (time_after(next_update, rc->next_update))
+		goto clear_counts;
+
+	packets = rc->total_pkts;
+	bytes = rc->total_bytes;
+
+	if (container_is_rx) {
+		/* If Rx there are 1 to 4 packets and bytes are less than
+		 * 9000 assume insufficient data to use bulk rate limiting
+		 * approach unless Tx is already in bulk rate limiting. We
+		 * are likely latency driven.
+		 */
+		if (packets && packets < 4 && bytes < 9000 &&
+		    (q_vector->tx.target_itr & ICE_ITR_ADAPTIVE_LATENCY)) {
+			itr = ICE_ITR_ADAPTIVE_LATENCY;
+			goto adjust_by_size;
+		}
+	} else if (packets < 4) {
+		/* If we have Tx and Rx ITR maxed and Tx ITR is running in
+		 * bulk mode and we are receiving 4 or fewer packets just
+		 * reset the ITR_ADAPTIVE_LATENCY bit for latency mode so
+		 * that the Rx can relax.
+		 */
+		if (rc->target_itr == ICE_ITR_ADAPTIVE_MAX_USECS &&
+		    (q_vector->rx.target_itr & ICE_ITR_MASK) ==
+		    ICE_ITR_ADAPTIVE_MAX_USECS)
+			goto clear_counts;
+	} else if (packets > 32) {
+		/* If we have processed over 32 packets in a single interrupt
+		 * for Tx assume we need to switch over to "bulk" mode.
+		 */
+		rc->target_itr &= ~ICE_ITR_ADAPTIVE_LATENCY;
+	}
+
+	/* We have no packets to actually measure against. This means
+	 * either one of the other queues on this vector is active or
+	 * we are a Tx queue doing TSO with too high of an interrupt rate.
+	 *
+	 * Between 4 and 56 we can assume that our current interrupt delay
+	 * is only slightly too low. As such we should increase it by a small
+	 * fixed amount.
+	 */
+	if (packets < 56) {
+		itr = rc->target_itr + ICE_ITR_ADAPTIVE_MIN_INC;
+		if ((itr & ICE_ITR_MASK) > ICE_ITR_ADAPTIVE_MAX_USECS) {
+			itr &= ICE_ITR_ADAPTIVE_LATENCY;
+			itr += ICE_ITR_ADAPTIVE_MAX_USECS;
+		}
+		goto clear_counts;
+	}
+
+	if (packets <= 256) {
+		itr = min(q_vector->tx.current_itr, q_vector->rx.current_itr);
+		itr &= ICE_ITR_MASK;
+
+		/* Between 56 and 112 is our "goldilocks" zone where we are
+		 * working out "just right". Just report that our current
+		 * ITR is good for us.
+		 */
+		if (packets <= 112)
+			goto clear_counts;
+
+		/* If packet count is 128 or greater we are likely looking
+		 * at a slight overrun of the delay we want. Try halving
+		 * our delay to see if that will cut the number of packets
+		 * in half per interrupt.
+		 */
+		itr >>= 1;
+		itr &= ICE_ITR_MASK;
+		if (itr < ICE_ITR_ADAPTIVE_MIN_USECS)
+			itr = ICE_ITR_ADAPTIVE_MIN_USECS;
+
+		goto clear_counts;
+	}
+
+	/* The paths below assume we are dealing with a bulk ITR since
+	 * number of packets is greater than 256. We are just going to have
+	 * to compute a value and try to bring the count under control,
+	 * though for smaller packet sizes there isn't much we can do as
+	 * NAPI polling will likely be kicking in sooner rather than later.
+	 */
+	itr = ICE_ITR_ADAPTIVE_BULK;
+
+adjust_by_size:
+	/* If packet counts are 256 or greater we can assume we have a gross
+	 * overestimation of what the rate should be. Instead of trying to fine
+	 * tune it just use the formula below to try and dial in an exact value
+	 * gives the current packet size of the frame.
+	 */
+	avg_wire_size = bytes / packets;
+
+	/* The following is a crude approximation of:
+	 *  wmem_default / (size + overhead) = desired_pkts_per_int
+	 *  rate / bits_per_byte / (size + ethernet overhead) = pkt_rate
+	 *  (desired_pkt_rate / pkt_rate) * usecs_per_sec = ITR value
+	 *
+	 * Assuming wmem_default is 212992 and overhead is 640 bytes per
+	 * packet, (256 skb, 64 headroom, 320 shared info), we can reduce the
+	 * formula down to
+	 *
+	 *  (170 * (size + 24)) / (size + 640) = ITR
+	 *
+	 * We first do some math on the packet size and then finally bitshift
+	 * by 8 after rounding up. We also have to account for PCIe link speed
+	 * difference as ITR scales based on this.
+	 */
+	if (avg_wire_size <= 60) {
+		/* Start at 250k ints/sec */
+		avg_wire_size = 4096;
+	} else if (avg_wire_size <= 380) {
+		/* 250K ints/sec to 60K ints/sec */
+		avg_wire_size *= 40;
+		avg_wire_size += 1696;
+	} else if (avg_wire_size <= 1084) {
+		/* 60K ints/sec to 36K ints/sec */
+		avg_wire_size *= 15;
+		avg_wire_size += 11452;
+	} else if (avg_wire_size <= 1980) {
+		/* 36K ints/sec to 30K ints/sec */
+		avg_wire_size *= 5;
+		avg_wire_size += 22420;
+	} else {
+		/* plateau at a limit of 30K ints/sec */
+		avg_wire_size = 32256;
+	}
+
+	/* If we are in low latency mode halve our delay which doubles the
+	 * rate to somewhere between 100K to 16K ints/sec
+	 */
+	if (itr & ICE_ITR_ADAPTIVE_LATENCY)
+		avg_wire_size >>= 1;
+
+	/* Resultant value is 256 times larger than it needs to be. This
+	 * gives us room to adjust the value as needed to either increase
+	 * or decrease the value based on link speeds of 10G, 2.5G, 1G, etc.
+	 *
+	 * Use addition as we have already recorded the new latency flag
+	 * for the ITR value.
+	 */
+	itr += DIV_ROUND_UP(avg_wire_size,
+			    ice_itr_divisor(q_vector->vsi->port_info)) *
+	       ICE_ITR_ADAPTIVE_MIN_INC;
+
+	if ((itr & ICE_ITR_MASK) > ICE_ITR_ADAPTIVE_MAX_USECS) {
+		itr &= ICE_ITR_ADAPTIVE_LATENCY;
+		itr += ICE_ITR_ADAPTIVE_MAX_USECS;
+	}
+
+clear_counts:
+	/* write back value */
+	rc->target_itr = itr;
+
+	/* next update should occur within next jiffy */
+	rc->next_update = next_update + 1;
+
+	rc->total_bytes = 0;
+	rc->total_pkts = 0;
+}
+
 /**
  * ice_buildreg_itr - build value for writing to the GLINT_DYN_CTL register
  * @itr_idx: interrupt throttling index
- * @reg_itr: interrupt throttling value adjusted based on ITR granularity
+ * @itr: interrupt throttling value in usecs
  */
-static u32 ice_buildreg_itr(int itr_idx, u16 reg_itr)
+static u32 ice_buildreg_itr(int itr_idx, u16 itr)
 {
+	/* The itr value is reported in microseconds, and the register value is
+	 * recorded in 2 microsecond units. For this reason we only need to
+	 * shift by the GLINT_DYN_CTL_INTERVAL_S - ICE_ITR_GRAN_S to apply this
+	 * granularity as a shift instead of division. The mask makes sure the
+	 * ITR value is never odd so we don't accidentally write into the field
+	 * prior to the ITR field.
+	 */
+	itr &= ICE_ITR_MASK;
+
 	return GLINT_DYN_CTL_INTENA_M | GLINT_DYN_CTL_CLEARPBA_M |
 		(itr_idx << GLINT_DYN_CTL_ITR_INDX_S) |
-		(reg_itr << GLINT_DYN_CTL_INTERVAL_S);
+		(itr << (GLINT_DYN_CTL_INTERVAL_S - ICE_ITR_GRAN_S));
 }
 
+/* The act of updating the ITR will cause it to immediately trigger. In order
+ * to prevent this from throwing off adaptive update statistics we defer the
+ * update so that it can only happen so often. So after either Tx or Rx are
+ * updated we make the adaptive scheme wait until either the ITR completely
+ * expires via the next_update expiration or we have been through at least
+ * 3 interrupts.
+ */
+#define ITR_COUNTDOWN_START 3
+
 /**
  * ice_update_ena_itr - Update ITR and re-enable MSIX interrupt
  * @vsi: the VSI associated with the q_vector
@@ -1068,10 +1307,14 @@ static u32 ice_buildreg_itr(int itr_idx,
 static void
 ice_update_ena_itr(struct ice_vsi *vsi, struct ice_q_vector *q_vector)
 {
-	struct ice_hw *hw = &vsi->back->hw;
-	struct ice_ring_container *rc;
+	struct ice_ring_container *tx = &q_vector->tx;
+	struct ice_ring_container *rx = &q_vector->rx;
 	u32 itr_val;
 
+	/* This will do nothing if dynamic updates are not enabled */
+	ice_update_itr(q_vector, tx);
+	ice_update_itr(q_vector, rx);
+
 	/* This block of logic allows us to get away with only updating
 	 * one ITR value with each interrupt. The idea is to perform a
 	 * pseudo-lazy update with the following criteria.
@@ -1080,35 +1323,36 @@ ice_update_ena_itr(struct ice_vsi *vsi,
 	 * 2. If we must reduce an ITR that is given highest priority.
 	 * 3. We then give priority to increasing ITR based on amount.
 	 */
-	if (q_vector->rx.target_itr < q_vector->rx.current_itr) {
-		rc = &q_vector->rx;
+	if (rx->target_itr < rx->current_itr) {
 		/* Rx ITR needs to be reduced, this is highest priority */
-		itr_val = ice_buildreg_itr(rc->itr_idx, rc->target_itr);
-		rc->current_itr = rc->target_itr;
-	} else if ((q_vector->tx.target_itr < q_vector->tx.current_itr) ||
-		   ((q_vector->rx.target_itr - q_vector->rx.current_itr) <
-		    (q_vector->tx.target_itr - q_vector->tx.current_itr))) {
-		rc = &q_vector->tx;
+		itr_val = ice_buildreg_itr(rx->itr_idx, rx->target_itr);
+		rx->current_itr = rx->target_itr;
+		q_vector->itr_countdown = ITR_COUNTDOWN_START;
+	} else if ((tx->target_itr < tx->current_itr) ||
+		   ((rx->target_itr - rx->current_itr) <
+		    (tx->target_itr - tx->current_itr))) {
 		/* Tx ITR needs to be reduced, this is second priority
 		 * Tx ITR needs to be increased more than Rx, fourth priority
 		 */
-		itr_val = ice_buildreg_itr(rc->itr_idx, rc->target_itr);
-		rc->current_itr = rc->target_itr;
-	} else if (q_vector->rx.current_itr != q_vector->rx.target_itr) {
-		rc = &q_vector->rx;
+		itr_val = ice_buildreg_itr(tx->itr_idx, tx->target_itr);
+		tx->current_itr = tx->target_itr;
+		q_vector->itr_countdown = ITR_COUNTDOWN_START;
+	} else if (rx->current_itr != rx->target_itr) {
 		/* Rx ITR needs to be increased, third priority */
-		itr_val = ice_buildreg_itr(rc->itr_idx, rc->target_itr);
-		rc->current_itr = rc->target_itr;
+		itr_val = ice_buildreg_itr(rx->itr_idx, rx->target_itr);
+		rx->current_itr = rx->target_itr;
+		q_vector->itr_countdown = ITR_COUNTDOWN_START;
 	} else {
 		/* Still have to re-enable the interrupts */
 		itr_val = ice_buildreg_itr(ICE_ITR_NONE, 0);
+		if (q_vector->itr_countdown)
+			q_vector->itr_countdown--;
 	}
 
-	if (!test_bit(__ICE_DOWN, vsi->state)) {
-		int vector = vsi->hw_base_vector + q_vector->v_idx;
-
-		wr32(hw, GLINT_DYN_CTL(vector), itr_val);
-	}
+	if (!test_bit(__ICE_DOWN, vsi->state))
+		wr32(&vsi->back->hw,
+		     GLINT_DYN_CTL(vsi->hw_base_vector + q_vector->v_idx),
+		     itr_val);
 }
 
 /**
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/ethernet/intel/ice/ice_txrx.h linux-libre-5.1.6-gnu/drivers/net/ethernet/intel/ice/ice_txrx.h
--- linux-libre-5.1.5-gnu/drivers/net/ethernet/intel/ice/ice_txrx.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/ethernet/intel/ice/ice_txrx.h	2019-05-31 09:43:59.000000000 -0400
@@ -128,6 +128,12 @@ enum ice_rx_dtype {
 #define ICE_ITR_MASK		0x1FFE	/* ITR register value alignment mask */
 #define ITR_REG_ALIGN(setting)	__ALIGN_MASK(setting, ~ICE_ITR_MASK)
 
+#define ICE_ITR_ADAPTIVE_MIN_INC	0x0002
+#define ICE_ITR_ADAPTIVE_MIN_USECS	0x0002
+#define ICE_ITR_ADAPTIVE_MAX_USECS	0x00FA
+#define ICE_ITR_ADAPTIVE_LATENCY	0x8000
+#define ICE_ITR_ADAPTIVE_BULK		0x0000
+
 #define ICE_DFLT_INTRL	0
 
 /* Legacy or Advanced Mode Queue */
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c linux-libre-5.1.6-gnu/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
--- linux-libre-5.1.5-gnu/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c	2019-05-31 09:43:59.000000000 -0400
@@ -764,6 +764,7 @@ static void ice_cleanup_and_realloc_vf(s
 bool ice_reset_all_vfs(struct ice_pf *pf, bool is_vflr)
 {
 	struct ice_hw *hw = &pf->hw;
+	struct ice_vf *vf;
 	int v, i;
 
 	/* If we don't have any VFs, then there is nothing to reset */
@@ -778,12 +779,17 @@ bool ice_reset_all_vfs(struct ice_pf *pf
 	for (v = 0; v < pf->num_alloc_vfs; v++)
 		ice_trigger_vf_reset(&pf->vf[v], is_vflr);
 
-	/* Call Disable LAN Tx queue AQ call with VFR bit set and 0
-	 * queues to inform Firmware about VF reset.
-	 */
-	for (v = 0; v < pf->num_alloc_vfs; v++)
-		ice_dis_vsi_txq(pf->vsi[0]->port_info, 0, NULL, NULL,
-				ICE_VF_RESET, v, NULL);
+	for (v = 0; v < pf->num_alloc_vfs; v++) {
+		struct ice_vsi *vsi;
+
+		vf = &pf->vf[v];
+		vsi = pf->vsi[vf->lan_vsi_idx];
+		if (test_bit(ICE_VF_STATE_ENA, vf->vf_states)) {
+			ice_vsi_stop_lan_tx_rings(vsi, ICE_VF_RESET, vf->vf_id);
+			ice_vsi_stop_rx_rings(vsi);
+			clear_bit(ICE_VF_STATE_ENA, vf->vf_states);
+		}
+	}
 
 	/* HW requires some time to make sure it can flush the FIFO for a VF
 	 * when it resets it. Poll the VPGEN_VFRSTAT register for each VF in
@@ -796,9 +802,9 @@ bool ice_reset_all_vfs(struct ice_pf *pf
 
 		/* Check each VF in sequence */
 		while (v < pf->num_alloc_vfs) {
-			struct ice_vf *vf = &pf->vf[v];
 			u32 reg;
 
+			vf = &pf->vf[v];
 			reg = rd32(hw, VPGEN_VFRSTAT(vf->vf_id));
 			if (!(reg & VPGEN_VFRSTAT_VFRD_M))
 				break;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/ethernet/intel/igb/igb_main.c linux-libre-5.1.6-gnu/drivers/net/ethernet/intel/igb/igb_main.c
--- linux-libre-5.1.5-gnu/drivers/net/ethernet/intel/igb/igb_main.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/ethernet/intel/igb/igb_main.c	2019-05-31 09:43:59.000000000 -0400
@@ -3452,6 +3452,9 @@ static int igb_probe(struct pci_dev *pde
 			break;
 		}
 	}
+
+	dev_pm_set_driver_flags(&pdev->dev, DPM_FLAG_NEVER_SKIP);
+
 	pm_runtime_put_noidle(&pdev->dev);
 	return 0;
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h linux-libre-5.1.6-gnu/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
--- linux-libre-5.1.5-gnu/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h	2019-05-31 09:43:59.000000000 -0400
@@ -431,6 +431,9 @@ static inline int mlx5_eswitch_index_to_
 	return index;
 }
 
+/* TODO: This mlx5e_tc function shouldn't be called by eswitch */
+void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw);
+
 #else  /* CONFIG_MLX5_ESWITCH */
 /* eswitch API stubs */
 static inline int  mlx5_eswitch_init(struct mlx5_core_dev *dev) { return 0; }
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c linux-libre-5.1.6-gnu/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
--- linux-libre-5.1.5-gnu/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c	2019-05-31 09:43:59.000000000 -0400
@@ -363,7 +363,7 @@ static int esw_set_global_vlan_pop(struc
 	esw_debug(esw->dev, "%s applying global %s policy\n", __func__, val ? "pop" : "none");
 	for (vf_vport = 1; vf_vport < esw->enabled_vports; vf_vport++) {
 		rep = &esw->offloads.vport_reps[vf_vport];
-		if (rep->rep_if[REP_ETH].state != REP_LOADED)
+		if (atomic_read(&rep->rep_if[REP_ETH].state) != REP_LOADED)
 			continue;
 
 		err = __mlx5_eswitch_set_vport_vlan(esw, rep->vport, 0, 0, val);
@@ -1306,7 +1306,8 @@ int esw_offloads_init_reps(struct mlx5_e
 		ether_addr_copy(rep->hw_id, hw_id);
 
 		for (rep_type = 0; rep_type < NUM_REP_TYPES; rep_type++)
-			rep->rep_if[rep_type].state = REP_UNREGISTERED;
+			atomic_set(&rep->rep_if[rep_type].state,
+				   REP_UNREGISTERED);
 	}
 
 	return 0;
@@ -1315,11 +1316,9 @@ int esw_offloads_init_reps(struct mlx5_e
 static void __esw_offloads_unload_rep(struct mlx5_eswitch *esw,
 				      struct mlx5_eswitch_rep *rep, u8 rep_type)
 {
-	if (rep->rep_if[rep_type].state != REP_LOADED)
-		return;
-
-	rep->rep_if[rep_type].unload(rep);
-	rep->rep_if[rep_type].state = REP_REGISTERED;
+	if (atomic_cmpxchg(&rep->rep_if[rep_type].state,
+			   REP_LOADED, REP_REGISTERED) == REP_LOADED)
+		rep->rep_if[rep_type].unload(rep);
 }
 
 static void __unload_reps_special_vport(struct mlx5_eswitch *esw, u8 rep_type)
@@ -1380,16 +1379,15 @@ static int __esw_offloads_load_rep(struc
 {
 	int err = 0;
 
-	if (rep->rep_if[rep_type].state != REP_REGISTERED)
-		return 0;
-
-	err = rep->rep_if[rep_type].load(esw->dev, rep);
-	if (err)
-		return err;
-
-	rep->rep_if[rep_type].state = REP_LOADED;
+	if (atomic_cmpxchg(&rep->rep_if[rep_type].state,
+			   REP_REGISTERED, REP_LOADED) == REP_REGISTERED) {
+		err = rep->rep_if[rep_type].load(esw->dev, rep);
+		if (err)
+			atomic_set(&rep->rep_if[rep_type].state,
+				   REP_REGISTERED);
+	}
 
-	return 0;
+	return err;
 }
 
 static int __load_reps_special_vport(struct mlx5_eswitch *esw, u8 rep_type)
@@ -1523,8 +1521,6 @@ static int mlx5_esw_offloads_pair(struct
 	return 0;
 }
 
-void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw);
-
 static void mlx5_esw_offloads_unpair(struct mlx5_eswitch *esw)
 {
 	mlx5e_tc_clean_fdb_peer_flows(esw);
@@ -2076,7 +2072,7 @@ void mlx5_eswitch_register_vport_reps(st
 		rep_if->get_proto_dev = __rep_if->get_proto_dev;
 		rep_if->priv = __rep_if->priv;
 
-		rep_if->state = REP_REGISTERED;
+		atomic_set(&rep_if->state, REP_REGISTERED);
 	}
 }
 EXPORT_SYMBOL(mlx5_eswitch_register_vport_reps);
@@ -2091,7 +2087,7 @@ void mlx5_eswitch_unregister_vport_reps(
 		__unload_reps_all_vport(esw, max_vf, rep_type);
 
 	mlx5_esw_for_all_reps(esw, i, rep)
-		rep->rep_if[rep_type].state = REP_UNREGISTERED;
+		atomic_set(&rep->rep_if[rep_type].state, REP_UNREGISTERED);
 }
 EXPORT_SYMBOL(mlx5_eswitch_unregister_vport_reps);
 
@@ -2111,7 +2107,7 @@ void *mlx5_eswitch_get_proto_dev(struct
 
 	rep = mlx5_eswitch_get_rep(esw, vport);
 
-	if (rep->rep_if[rep_type].state == REP_LOADED &&
+	if (atomic_read(&rep->rep_if[rep_type].state) == REP_LOADED &&
 	    rep->rep_if[rep_type].get_proto_dev)
 		return rep->rep_if[rep_type].get_proto_dev(rep);
 	return NULL;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/ethernet/ti/cpsw_ale.c linux-libre-5.1.6-gnu/drivers/net/ethernet/ti/cpsw_ale.c
--- linux-libre-5.1.5-gnu/drivers/net/ethernet/ti/cpsw_ale.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/ethernet/ti/cpsw_ale.c	2019-05-31 09:43:59.000000000 -0400
@@ -482,24 +482,25 @@ int cpsw_ale_del_vlan(struct cpsw_ale *a
 }
 EXPORT_SYMBOL_GPL(cpsw_ale_del_vlan);
 
-void cpsw_ale_set_allmulti(struct cpsw_ale *ale, int allmulti)
+void cpsw_ale_set_allmulti(struct cpsw_ale *ale, int allmulti, int port)
 {
 	u32 ale_entry[ALE_ENTRY_WORDS];
-	int type, idx;
 	int unreg_mcast = 0;
-
-	/* Only bother doing the work if the setting is actually changing */
-	if (ale->allmulti == allmulti)
-		return;
-
-	/* Remember the new setting to check against next time */
-	ale->allmulti = allmulti;
+	int type, idx;
 
 	for (idx = 0; idx < ale->params.ale_entries; idx++) {
+		int vlan_members;
+
 		cpsw_ale_read(ale, idx, ale_entry);
 		type = cpsw_ale_get_entry_type(ale_entry);
 		if (type != ALE_TYPE_VLAN)
 			continue;
+		vlan_members =
+			cpsw_ale_get_vlan_member_list(ale_entry,
+						      ale->vlan_field_bits);
+
+		if (port != -1 && !(vlan_members & BIT(port)))
+			continue;
 
 		unreg_mcast =
 			cpsw_ale_get_vlan_unreg_mcast(ale_entry,
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/ethernet/ti/cpsw_ale.h linux-libre-5.1.6-gnu/drivers/net/ethernet/ti/cpsw_ale.h
--- linux-libre-5.1.5-gnu/drivers/net/ethernet/ti/cpsw_ale.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/ethernet/ti/cpsw_ale.h	2019-05-31 09:43:59.000000000 -0400
@@ -37,7 +37,6 @@ struct cpsw_ale {
 	struct cpsw_ale_params	params;
 	struct timer_list	timer;
 	unsigned long		ageout;
-	int			allmulti;
 	u32			version;
 	/* These bits are different on NetCP NU Switch ALE */
 	u32			port_mask_bits;
@@ -116,7 +115,7 @@ int cpsw_ale_del_mcast(struct cpsw_ale *
 int cpsw_ale_add_vlan(struct cpsw_ale *ale, u16 vid, int port, int untag,
 			int reg_mcast, int unreg_mcast);
 int cpsw_ale_del_vlan(struct cpsw_ale *ale, u16 vid, int port);
-void cpsw_ale_set_allmulti(struct cpsw_ale *ale, int allmulti);
+void cpsw_ale_set_allmulti(struct cpsw_ale *ale, int allmulti, int port);
 
 int cpsw_ale_control_get(struct cpsw_ale *ale, int port, int control);
 int cpsw_ale_control_set(struct cpsw_ale *ale, int port,
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/ethernet/ti/cpsw.c linux-libre-5.1.6-gnu/drivers/net/ethernet/ti/cpsw.c
--- linux-libre-5.1.5-gnu/drivers/net/ethernet/ti/cpsw.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/ethernet/ti/cpsw.c	2019-05-31 09:43:59.000000000 -0400
@@ -800,12 +800,17 @@ static int cpsw_purge_all_mc(struct net_
 
 static void cpsw_ndo_set_rx_mode(struct net_device *ndev)
 {
-	struct cpsw_common *cpsw = ndev_to_cpsw(ndev);
+	struct cpsw_priv *priv = netdev_priv(ndev);
+	struct cpsw_common *cpsw = priv->cpsw;
+	int slave_port = -1;
+
+	if (cpsw->data.dual_emac)
+		slave_port = priv->emac_port + 1;
 
 	if (ndev->flags & IFF_PROMISC) {
 		/* Enable promiscuous mode */
 		cpsw_set_promiscious(ndev, true);
-		cpsw_ale_set_allmulti(cpsw->ale, IFF_ALLMULTI);
+		cpsw_ale_set_allmulti(cpsw->ale, IFF_ALLMULTI, slave_port);
 		return;
 	} else {
 		/* Disable promiscuous mode */
@@ -813,7 +818,8 @@ static void cpsw_ndo_set_rx_mode(struct
 	}
 
 	/* Restore allmulti on vlans if necessary */
-	cpsw_ale_set_allmulti(cpsw->ale, ndev->flags & IFF_ALLMULTI);
+	cpsw_ale_set_allmulti(cpsw->ale,
+			      ndev->flags & IFF_ALLMULTI, slave_port);
 
 	/* add/remove mcast address either for real netdev or for vlan */
 	__hw_addr_ref_sync_dev(&ndev->mc, ndev, cpsw_add_mc_addr,
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/hyperv/netvsc.c linux-libre-5.1.6-gnu/drivers/net/hyperv/netvsc.c
--- linux-libre-5.1.5-gnu/drivers/net/hyperv/netvsc.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/hyperv/netvsc.c	2019-05-31 09:43:59.000000000 -0400
@@ -875,12 +875,6 @@ static inline int netvsc_send_pkt(
 	} else if (ret == -EAGAIN) {
 		netif_tx_stop_queue(txq);
 		ndev_ctx->eth_stats.stop_queue++;
-		if (atomic_read(&nvchan->queue_sends) < 1 &&
-		    !net_device->tx_disable) {
-			netif_tx_wake_queue(txq);
-			ndev_ctx->eth_stats.wake_queue++;
-			ret = -ENOSPC;
-		}
 	} else {
 		netdev_err(ndev,
 			   "Unable to send packet pages %u len %u, ret %d\n",
@@ -888,6 +882,15 @@ static inline int netvsc_send_pkt(
 			   ret);
 	}
 
+	if (netif_tx_queue_stopped(txq) &&
+	    atomic_read(&nvchan->queue_sends) < 1 &&
+	    !net_device->tx_disable) {
+		netif_tx_wake_queue(txq);
+		ndev_ctx->eth_stats.wake_queue++;
+		if (ret == -EAGAIN)
+			ret = -ENOSPC;
+	}
+
 	return ret;
 }
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/phy/phy_device.c linux-libre-5.1.6-gnu/drivers/net/phy/phy_device.c
--- linux-libre-5.1.5-gnu/drivers/net/phy/phy_device.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/phy/phy_device.c	2019-05-31 09:43:59.000000000 -0400
@@ -1829,13 +1829,25 @@ EXPORT_SYMBOL(genphy_read_status);
  */
 int genphy_soft_reset(struct phy_device *phydev)
 {
+	u16 res = BMCR_RESET;
 	int ret;
 
-	ret = phy_set_bits(phydev, MII_BMCR, BMCR_RESET);
+	if (phydev->autoneg == AUTONEG_ENABLE)
+		res |= BMCR_ANRESTART;
+
+	ret = phy_modify(phydev, MII_BMCR, BMCR_ISOLATE, res);
 	if (ret < 0)
 		return ret;
 
-	return phy_poll_reset(phydev);
+	ret = phy_poll_reset(phydev);
+	if (ret)
+		return ret;
+
+	/* BMCR may be reset to defaults */
+	if (phydev->autoneg == AUTONEG_DISABLE)
+		ret = genphy_setup_forced(phydev);
+
+	return ret;
 }
 EXPORT_SYMBOL(genphy_soft_reset);
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/usb/qmi_wwan.c linux-libre-5.1.6-gnu/drivers/net/usb/qmi_wwan.c
--- linux-libre-5.1.5-gnu/drivers/net/usb/qmi_wwan.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/usb/qmi_wwan.c	2019-05-31 09:43:59.000000000 -0400
@@ -63,6 +63,7 @@ enum qmi_wwan_flags {
 
 enum qmi_wwan_quirks {
 	QMI_WWAN_QUIRK_DTR = 1 << 0,	/* needs "set DTR" request */
+	QMI_WWAN_QUIRK_QUECTEL_DYNCFG = 1 << 1,	/* check num. endpoints */
 };
 
 struct qmimux_hdr {
@@ -845,6 +846,16 @@ static const struct driver_info	qmi_wwan
 	.data           = QMI_WWAN_QUIRK_DTR,
 };
 
+static const struct driver_info	qmi_wwan_info_quirk_quectel_dyncfg = {
+	.description	= "WWAN/QMI device",
+	.flags		= FLAG_WWAN | FLAG_SEND_ZLP,
+	.bind		= qmi_wwan_bind,
+	.unbind		= qmi_wwan_unbind,
+	.manage_power	= qmi_wwan_manage_power,
+	.rx_fixup       = qmi_wwan_rx_fixup,
+	.data           = QMI_WWAN_QUIRK_DTR | QMI_WWAN_QUIRK_QUECTEL_DYNCFG,
+};
+
 #define HUAWEI_VENDOR_ID	0x12D1
 
 /* map QMI/wwan function by a fixed interface number */
@@ -865,6 +876,15 @@ static const struct driver_info	qmi_wwan
 #define QMI_GOBI_DEVICE(vend, prod) \
 	QMI_FIXED_INTF(vend, prod, 0)
 
+/* Quectel does not use fixed interface numbers on at least some of their
+ * devices. We need to check the number of endpoints to ensure that we bind to
+ * the correct interface.
+ */
+#define QMI_QUIRK_QUECTEL_DYNCFG(vend, prod) \
+	USB_DEVICE_AND_INTERFACE_INFO(vend, prod, USB_CLASS_VENDOR_SPEC, \
+				      USB_SUBCLASS_VENDOR_SPEC, 0xff), \
+	.driver_info = (unsigned long)&qmi_wwan_info_quirk_quectel_dyncfg
+
 static const struct usb_device_id products[] = {
 	/* 1. CDC ECM like devices match on the control interface */
 	{	/* Huawei E392, E398 and possibly others sharing both device id and more... */
@@ -969,20 +989,9 @@ static const struct usb_device_id produc
 		USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x581d, USB_CLASS_VENDOR_SPEC, 1, 7),
 		.driver_info = (unsigned long)&qmi_wwan_info,
 	},
-	{	/* Quectel EP06/EG06/EM06 */
-		USB_DEVICE_AND_INTERFACE_INFO(0x2c7c, 0x0306,
-					      USB_CLASS_VENDOR_SPEC,
-					      USB_SUBCLASS_VENDOR_SPEC,
-					      0xff),
-		.driver_info	    = (unsigned long)&qmi_wwan_info_quirk_dtr,
-	},
-	{	/* Quectel EG12/EM12 */
-		USB_DEVICE_AND_INTERFACE_INFO(0x2c7c, 0x0512,
-					      USB_CLASS_VENDOR_SPEC,
-					      USB_SUBCLASS_VENDOR_SPEC,
-					      0xff),
-		.driver_info	    = (unsigned long)&qmi_wwan_info_quirk_dtr,
-	},
+	{QMI_QUIRK_QUECTEL_DYNCFG(0x2c7c, 0x0125)},	/* Quectel EC25, EC20 R2.0  Mini PCIe */
+	{QMI_QUIRK_QUECTEL_DYNCFG(0x2c7c, 0x0306)},	/* Quectel EP06/EG06/EM06 */
+	{QMI_QUIRK_QUECTEL_DYNCFG(0x2c7c, 0x0512)},	/* Quectel EG12/EM12 */
 
 	/* 3. Combined interface devices matching on interface number */
 	{QMI_FIXED_INTF(0x0408, 0xea42, 4)},	/* Yota / Megafon M100-1 */
@@ -1283,7 +1292,6 @@ static const struct usb_device_id produc
 	{QMI_FIXED_INTF(0x03f0, 0x9d1d, 1)},	/* HP lt4120 Snapdragon X5 LTE */
 	{QMI_FIXED_INTF(0x22de, 0x9061, 3)},	/* WeTelecom WPD-600N */
 	{QMI_QUIRK_SET_DTR(0x1e0e, 0x9001, 5)},	/* SIMCom 7100E, 7230E, 7600E ++ */
-	{QMI_QUIRK_SET_DTR(0x2c7c, 0x0125, 4)},	/* Quectel EC25, EC20 R2.0  Mini PCIe */
 	{QMI_QUIRK_SET_DTR(0x2c7c, 0x0121, 4)},	/* Quectel EC21 Mini PCIe */
 	{QMI_QUIRK_SET_DTR(0x2c7c, 0x0191, 4)},	/* Quectel EG91 */
 	{QMI_FIXED_INTF(0x2c7c, 0x0296, 4)},	/* Quectel BG96 */
@@ -1363,27 +1371,12 @@ static bool quectel_ec20_detected(struct
 	return false;
 }
 
-static bool quectel_diag_detected(struct usb_interface *intf)
-{
-	struct usb_device *dev = interface_to_usbdev(intf);
-	struct usb_interface_descriptor intf_desc = intf->cur_altsetting->desc;
-	u16 id_vendor = le16_to_cpu(dev->descriptor.idVendor);
-	u16 id_product = le16_to_cpu(dev->descriptor.idProduct);
-
-	if (id_vendor != 0x2c7c || intf_desc.bNumEndpoints != 2)
-		return false;
-
-	if (id_product == 0x0306 || id_product == 0x0512)
-		return true;
-	else
-		return false;
-}
-
 static int qmi_wwan_probe(struct usb_interface *intf,
 			  const struct usb_device_id *prod)
 {
 	struct usb_device_id *id = (struct usb_device_id *)prod;
 	struct usb_interface_descriptor *desc = &intf->cur_altsetting->desc;
+	const struct driver_info *info;
 
 	/* Workaround to enable dynamic IDs.  This disables usbnet
 	 * blacklisting functionality.  Which, if required, can be
@@ -1417,10 +1410,14 @@ static int qmi_wwan_probe(struct usb_int
 	 * we need to match on class/subclass/protocol. These values are
 	 * identical for the diagnostic- and QMI-interface, but bNumEndpoints is
 	 * different. Ignore the current interface if the number of endpoints
-	 * the number for the diag interface (two).
+	 * equals the number for the diag interface (two).
 	 */
-	if (quectel_diag_detected(intf))
-		return -ENODEV;
+	info = (void *)&id->driver_info;
+
+	if (info->data & QMI_WWAN_QUIRK_QUECTEL_DYNCFG) {
+		if (desc->bNumEndpoints == 2)
+			return -ENODEV;
+	}
 
 	return usbnet_probe(intf, id);
 }
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/wireless/ath/wil6210/cfg80211.c linux-libre-5.1.6-gnu/drivers/net/wireless/ath/wil6210/cfg80211.c
--- linux-libre-5.1.5-gnu/drivers/net/wireless/ath/wil6210/cfg80211.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/wireless/ath/wil6210/cfg80211.c	2019-05-31 09:43:59.000000000 -0400
@@ -1274,7 +1274,12 @@ int wil_cfg80211_mgmt_tx(struct wiphy *w
 			     params->wait);
 
 out:
+	/* when the sent packet was not acked by receiver(ACK=0), rc will
+	 * be -EAGAIN. In this case this function needs to return success,
+	 * the ACK=0 will be reflected in tx_status.
+	 */
 	tx_status = (rc == 0);
+	rc = (rc == -EAGAIN) ? 0 : rc;
 	cfg80211_mgmt_tx_status(wdev, cookie ? *cookie : 0, buf, len,
 				tx_status, GFP_KERNEL);
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/wireless/ath/wil6210/wmi.c linux-libre-5.1.6-gnu/drivers/net/wireless/ath/wil6210/wmi.c
--- linux-libre-5.1.5-gnu/drivers/net/wireless/ath/wil6210/wmi.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/wireless/ath/wil6210/wmi.c	2019-05-31 09:43:59.000000000 -0400
@@ -3502,8 +3502,9 @@ int wmi_mgmt_tx(struct wil6210_vif *vif,
 	rc = wmi_call(wil, WMI_SW_TX_REQ_CMDID, vif->mid, cmd, total,
 		      WMI_SW_TX_COMPLETE_EVENTID, &evt, sizeof(evt), 2000);
 	if (!rc && evt.evt.status != WMI_FW_STATUS_SUCCESS) {
-		wil_err(wil, "mgmt_tx failed with status %d\n", evt.evt.status);
-		rc = -EINVAL;
+		wil_dbg_wmi(wil, "mgmt_tx failed with status %d\n",
+			    evt.evt.status);
+		rc = -EAGAIN;
 	}
 
 	kfree(cmd);
@@ -3555,9 +3556,9 @@ int wmi_mgmt_tx_ext(struct wil6210_vif *
 	rc = wmi_call(wil, WMI_SW_TX_REQ_EXT_CMDID, vif->mid, cmd, total,
 		      WMI_SW_TX_COMPLETE_EVENTID, &evt, sizeof(evt), 2000);
 	if (!rc && evt.evt.status != WMI_FW_STATUS_SUCCESS) {
-		wil_err(wil, "mgmt_tx_ext failed with status %d\n",
-			evt.evt.status);
-		rc = -EINVAL;
+		wil_dbg_wmi(wil, "mgmt_tx_ext failed with status %d\n",
+			    evt.evt.status);
+		rc = -EAGAIN;
 	}
 
 	kfree(cmd);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/wireless/atmel/at76c50x-usb.c linux-libre-5.1.6-gnu/drivers/net/wireless/atmel/at76c50x-usb.c
--- linux-libre-5.1.5-gnu/drivers/net/wireless/atmel/at76c50x-usb.c	2019-05-25 21:26:23.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/wireless/atmel/at76c50x-usb.c	2019-05-31 15:18:05.000000000 -0400
@@ -2578,8 +2578,8 @@ static int __init at76_mod_init(void)
 	if (result < 0)
 		printk(KERN_ERR DRIVER_NAME
 		       ": usb_register failed (status %d)\n", result);
-
-	led_trigger_register_simple("at76_usb-tx", &ledtrig_tx);
+	else
+		led_trigger_register_simple("at76_usb-tx", &ledtrig_tx);
 	return result;
 }
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/wireless/broadcom/b43/phy_lp.c linux-libre-5.1.6-gnu/drivers/net/wireless/broadcom/b43/phy_lp.c
--- linux-libre-5.1.5-gnu/drivers/net/wireless/broadcom/b43/phy_lp.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/wireless/broadcom/b43/phy_lp.c	2019-05-31 09:43:59.000000000 -0400
@@ -1835,7 +1835,7 @@ static void lpphy_papd_cal(struct b43_wl
 static void lpphy_papd_cal_txpwr(struct b43_wldev *dev)
 {
 	struct b43_phy_lp *lpphy = dev->phy.lp;
-	struct lpphy_tx_gains gains, oldgains;
+	struct lpphy_tx_gains oldgains;
 	int old_txpctl, old_afe_ovr, old_rf, old_bbmult;
 
 	lpphy_read_tx_pctl_mode_from_hardware(dev);
@@ -1849,9 +1849,9 @@ static void lpphy_papd_cal_txpwr(struct
 	lpphy_set_tx_power_control(dev, B43_LPPHY_TXPCTL_OFF);
 
 	if (dev->dev->chip_id == 0x4325 && dev->dev->chip_rev == 0)
-		lpphy_papd_cal(dev, gains, 0, 1, 30);
+		lpphy_papd_cal(dev, oldgains, 0, 1, 30);
 	else
-		lpphy_papd_cal(dev, gains, 0, 1, 65);
+		lpphy_papd_cal(dev, oldgains, 0, 1, 65);
 
 	if (old_afe_ovr)
 		lpphy_set_tx_gains(dev, oldgains);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c linux-libre-5.1.6-gnu/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
--- linux-libre-5.1.5-gnu/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c	2019-05-31 09:43:59.000000000 -0400
@@ -5464,6 +5464,8 @@ static s32 brcmf_get_assoc_ies(struct br
 		conn_info->req_ie =
 		    kmemdup(cfg->extra_buf, conn_info->req_ie_len,
 			    GFP_KERNEL);
+		if (!conn_info->req_ie)
+			conn_info->req_ie_len = 0;
 	} else {
 		conn_info->req_ie_len = 0;
 		conn_info->req_ie = NULL;
@@ -5480,6 +5482,8 @@ static s32 brcmf_get_assoc_ies(struct br
 		conn_info->resp_ie =
 		    kmemdup(cfg->extra_buf, conn_info->resp_ie_len,
 			    GFP_KERNEL);
+		if (!conn_info->resp_ie)
+			conn_info->resp_ie_len = 0;
 	} else {
 		conn_info->resp_ie_len = 0;
 		conn_info->resp_ie = NULL;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c linux-libre-5.1.6-gnu/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
--- linux-libre-5.1.5-gnu/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c	2019-05-31 09:43:59.000000000 -0400
@@ -841,17 +841,17 @@ static void brcmf_del_if(struct brcmf_pu
 			 bool rtnl_locked)
 {
 	struct brcmf_if *ifp;
+	int ifidx;
 
 	ifp = drvr->iflist[bsscfgidx];
-	drvr->iflist[bsscfgidx] = NULL;
 	if (!ifp) {
 		bphy_err(drvr, "Null interface, bsscfgidx=%d\n", bsscfgidx);
 		return;
 	}
 	brcmf_dbg(TRACE, "Enter, bsscfgidx=%d, ifidx=%d\n", bsscfgidx,
 		  ifp->ifidx);
-	if (drvr->if2bss[ifp->ifidx] == bsscfgidx)
-		drvr->if2bss[ifp->ifidx] = BRCMF_BSSIDX_INVALID;
+	ifidx = ifp->ifidx;
+
 	if (ifp->ndev) {
 		if (bsscfgidx == 0) {
 			if (ifp->ndev->netdev_ops == &brcmf_netdev_ops_pri) {
@@ -879,6 +879,10 @@ static void brcmf_del_if(struct brcmf_pu
 		brcmf_p2p_ifp_removed(ifp, rtnl_locked);
 		kfree(ifp);
 	}
+
+	drvr->iflist[bsscfgidx] = NULL;
+	if (drvr->if2bss[ifidx] == bsscfgidx)
+		drvr->if2bss[ifidx] = BRCMF_BSSIDX_INVALID;
 }
 
 void brcmf_remove_interface(struct brcmf_if *ifp, bool rtnl_locked)
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c linux-libre-5.1.6-gnu/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c
--- linux-libre-5.1.5-gnu/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c	2019-05-31 09:43:59.000000000 -0400
@@ -580,24 +580,6 @@ static bool brcmf_fws_ifidx_match(struct
 	return ifidx == *(int *)arg;
 }
 
-static void brcmf_fws_psq_flush(struct brcmf_fws_info *fws, struct pktq *q,
-				int ifidx)
-{
-	bool (*matchfn)(struct sk_buff *, void *) = NULL;
-	struct sk_buff *skb;
-	int prec;
-
-	if (ifidx != -1)
-		matchfn = brcmf_fws_ifidx_match;
-	for (prec = 0; prec < q->num_prec; prec++) {
-		skb = brcmu_pktq_pdeq_match(q, prec, matchfn, &ifidx);
-		while (skb) {
-			brcmu_pkt_buf_free_skb(skb);
-			skb = brcmu_pktq_pdeq_match(q, prec, matchfn, &ifidx);
-		}
-	}
-}
-
 static void brcmf_fws_hanger_init(struct brcmf_fws_hanger *hanger)
 {
 	int i;
@@ -669,6 +651,28 @@ static inline int brcmf_fws_hanger_poppk
 	return 0;
 }
 
+static void brcmf_fws_psq_flush(struct brcmf_fws_info *fws, struct pktq *q,
+				int ifidx)
+{
+	bool (*matchfn)(struct sk_buff *, void *) = NULL;
+	struct sk_buff *skb;
+	int prec;
+	u32 hslot;
+
+	if (ifidx != -1)
+		matchfn = brcmf_fws_ifidx_match;
+	for (prec = 0; prec < q->num_prec; prec++) {
+		skb = brcmu_pktq_pdeq_match(q, prec, matchfn, &ifidx);
+		while (skb) {
+			hslot = brcmf_skb_htod_tag_get_field(skb, HSLOT);
+			brcmf_fws_hanger_poppkt(&fws->hanger, hslot, &skb,
+						true);
+			brcmu_pkt_buf_free_skb(skb);
+			skb = brcmu_pktq_pdeq_match(q, prec, matchfn, &ifidx);
+		}
+	}
+}
+
 static int brcmf_fws_hanger_mark_suppressed(struct brcmf_fws_hanger *h,
 					    u32 slot_id)
 {
@@ -2200,6 +2204,8 @@ void brcmf_fws_del_interface(struct brcm
 	brcmf_fws_lock(fws);
 	ifp->fws_desc = NULL;
 	brcmf_dbg(TRACE, "deleting %s\n", entry->name);
+	brcmf_fws_macdesc_cleanup(fws, &fws->desc.iface[ifp->ifidx],
+				  ifp->ifidx);
 	brcmf_fws_macdesc_deinit(entry);
 	brcmf_fws_cleanup(fws, ifp->ifidx);
 	brcmf_fws_unlock(fws);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c linux-libre-5.1.6-gnu/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c
--- linux-libre-5.1.5-gnu/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c	2019-05-25 21:26:52.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c	2019-05-31 15:18:34.000000000 -0400
@@ -160,7 +160,7 @@ struct brcmf_usbdev_info {
 
 	struct usb_device *usbdev;
 	struct device *dev;
-	struct mutex dev_init_lock;
+	struct completion dev_init_done;
 
 	int ctl_in_pipe, ctl_out_pipe;
 	struct urb *ctl_urb; /* URB for control endpoint */
@@ -682,12 +682,18 @@ static int brcmf_usb_up(struct device *d
 
 static void brcmf_cancel_all_urbs(struct brcmf_usbdev_info *devinfo)
 {
+	int i;
+
 	if (devinfo->ctl_urb)
 		usb_kill_urb(devinfo->ctl_urb);
 	if (devinfo->bulk_urb)
 		usb_kill_urb(devinfo->bulk_urb);
-	brcmf_usb_free_q(&devinfo->tx_postq, true);
-	brcmf_usb_free_q(&devinfo->rx_postq, true);
+	if (devinfo->tx_reqs)
+		for (i = 0; i < devinfo->bus_pub.ntxq; i++)
+			usb_kill_urb(devinfo->tx_reqs[i].urb);
+	if (devinfo->rx_reqs)
+		for (i = 0; i < devinfo->bus_pub.nrxq; i++)
+			usb_kill_urb(devinfo->rx_reqs[i].urb);
 }
 
 static void brcmf_usb_down(struct device *dev)
@@ -1193,11 +1199,11 @@ static void brcmf_usb_probe_phase2(struc
 	if (ret)
 		goto error;
 
-	mutex_unlock(&devinfo->dev_init_lock);
+	complete(&devinfo->dev_init_done);
 	return;
 error:
 	brcmf_dbg(TRACE, "failed: dev=%s, err=%d\n", dev_name(dev), ret);
-	mutex_unlock(&devinfo->dev_init_lock);
+	complete(&devinfo->dev_init_done);
 	device_release_driver(dev);
 }
 
@@ -1265,7 +1271,7 @@ static int brcmf_usb_probe_cb(struct brc
 		if (ret)
 			goto fail;
 		/* we are done */
-		mutex_unlock(&devinfo->dev_init_lock);
+		complete(&devinfo->dev_init_done);
 		return 0;
 	}
 	bus->chip = bus_pub->devid;
@@ -1325,11 +1331,10 @@ brcmf_usb_probe(struct usb_interface *in
 
 	devinfo->usbdev = usb;
 	devinfo->dev = &usb->dev;
-	/* Take an init lock, to protect for disconnect while still loading.
+	/* Init completion, to protect for disconnect while still loading.
 	 * Necessary because of the asynchronous firmware load construction
 	 */
-	mutex_init(&devinfo->dev_init_lock);
-	mutex_lock(&devinfo->dev_init_lock);
+	init_completion(&devinfo->dev_init_done);
 
 	usb_set_intfdata(intf, devinfo);
 
@@ -1407,7 +1412,7 @@ brcmf_usb_probe(struct usb_interface *in
 	return 0;
 
 fail:
-	mutex_unlock(&devinfo->dev_init_lock);
+	complete(&devinfo->dev_init_done);
 	kfree(devinfo);
 	usb_set_intfdata(intf, NULL);
 	return ret;
@@ -1422,7 +1427,7 @@ brcmf_usb_disconnect(struct usb_interfac
 	devinfo = (struct brcmf_usbdev_info *)usb_get_intfdata(intf);
 
 	if (devinfo) {
-		mutex_lock(&devinfo->dev_init_lock);
+		wait_for_completion(&devinfo->dev_init_done);
 		/* Make sure that devinfo still exists. Firmware probe routines
 		 * may have released the device and cleared the intfdata.
 		 */
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/wireless/broadcom/brcm80211/brcmfmac/vendor.c linux-libre-5.1.6-gnu/drivers/net/wireless/broadcom/brcm80211/brcmfmac/vendor.c
--- linux-libre-5.1.5-gnu/drivers/net/wireless/broadcom/brcm80211/brcmfmac/vendor.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/wireless/broadcom/brcm80211/brcmfmac/vendor.c	2019-05-31 09:43:59.000000000 -0400
@@ -35,9 +35,10 @@ static int brcmf_cfg80211_vndr_cmds_dcmd
 	struct brcmf_if *ifp;
 	const struct brcmf_vndr_dcmd_hdr *cmdhdr = data;
 	struct sk_buff *reply;
-	int ret, payload, ret_len;
+	unsigned int payload, ret_len;
 	void *dcmd_buf = NULL, *wr_pointer;
 	u16 msglen, maxmsglen = PAGE_SIZE - 0x100;
+	int ret;
 
 	if (len < sizeof(*cmdhdr)) {
 		brcmf_err("vendor command too short: %d\n", len);
@@ -65,7 +66,7 @@ static int brcmf_cfg80211_vndr_cmds_dcmd
 			brcmf_err("oversize return buffer %d\n", ret_len);
 			ret_len = BRCMF_DCMD_MAXLEN;
 		}
-		payload = max(ret_len, len) + 1;
+		payload = max_t(unsigned int, ret_len, len) + 1;
 		dcmd_buf = vzalloc(payload);
 		if (NULL == dcmd_buf)
 			return -ENOMEM;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/wireless/intel/iwlwifi/mvm/sta.c linux-libre-5.1.6-gnu/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
--- linux-libre-5.1.5-gnu/drivers/net/wireless/intel/iwlwifi/mvm/sta.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/wireless/intel/iwlwifi/mvm/sta.c	2019-05-31 09:43:59.000000000 -0400
@@ -2277,7 +2277,8 @@ int iwl_mvm_add_mcast_sta(struct iwl_mvm
 	static const u8 _maddr[] = {0x03, 0x00, 0x00, 0x00, 0x00, 0x00};
 	const u8 *maddr = _maddr;
 	struct iwl_trans_txq_scd_cfg cfg = {
-		.fifo = IWL_MVM_TX_FIFO_MCAST,
+		.fifo = vif->type == NL80211_IFTYPE_AP ?
+			IWL_MVM_TX_FIFO_MCAST : IWL_MVM_TX_FIFO_BE,
 		.sta_id = msta->sta_id,
 		.tid = 0,
 		.aggregate = false,
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/wireless/intel/iwlwifi/pcie/rx.c linux-libre-5.1.6-gnu/drivers/net/wireless/intel/iwlwifi/pcie/rx.c
--- linux-libre-5.1.5-gnu/drivers/net/wireless/intel/iwlwifi/pcie/rx.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/wireless/intel/iwlwifi/pcie/rx.c	2019-05-31 09:43:59.000000000 -0400
@@ -1434,10 +1434,15 @@ out_err:
 static void iwl_pcie_rx_handle(struct iwl_trans *trans, int queue)
 {
 	struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
-	struct iwl_rxq *rxq = &trans_pcie->rxq[queue];
+	struct iwl_rxq *rxq;
 	u32 r, i, count = 0;
 	bool emergency = false;
 
+	if (WARN_ON_ONCE(!trans_pcie->rxq || !trans_pcie->rxq[queue].bd))
+		return;
+
+	rxq = &trans_pcie->rxq[queue];
+
 restart:
 	spin_lock(&rxq->lock);
 	/* uCode's read index (stored in shared DRAM) indicates the last Rx
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/wireless/marvell/mwifiex/cfg80211.c linux-libre-5.1.6-gnu/drivers/net/wireless/marvell/mwifiex/cfg80211.c
--- linux-libre-5.1.5-gnu/drivers/net/wireless/marvell/mwifiex/cfg80211.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/wireless/marvell/mwifiex/cfg80211.c	2019-05-31 09:43:59.000000000 -0400
@@ -4082,16 +4082,20 @@ static int mwifiex_tm_cmd(struct wiphy *
 
 		if (mwifiex_send_cmd(priv, 0, 0, 0, hostcmd, true)) {
 			dev_err(priv->adapter->dev, "Failed to process hostcmd\n");
+			kfree(hostcmd);
 			return -EFAULT;
 		}
 
 		/* process hostcmd response*/
 		skb = cfg80211_testmode_alloc_reply_skb(wiphy, hostcmd->len);
-		if (!skb)
+		if (!skb) {
+			kfree(hostcmd);
 			return -ENOMEM;
+		}
 		err = nla_put(skb, MWIFIEX_TM_ATTR_DATA,
 			      hostcmd->len, hostcmd->cmd);
 		if (err) {
+			kfree(hostcmd);
 			kfree_skb(skb);
 			return -EMSGSIZE;
 		}
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/wireless/marvell/mwifiex/cfp.c linux-libre-5.1.6-gnu/drivers/net/wireless/marvell/mwifiex/cfp.c
--- linux-libre-5.1.5-gnu/drivers/net/wireless/marvell/mwifiex/cfp.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/wireless/marvell/mwifiex/cfp.c	2019-05-31 09:43:59.000000000 -0400
@@ -531,5 +531,8 @@ u8 mwifiex_adjust_data_rate(struct mwifi
 		rate_index = (rx_rate > MWIFIEX_RATE_INDEX_OFDM0) ?
 			      rx_rate - 1 : rx_rate;
 
+	if (rate_index >= MWIFIEX_MAX_AC_RX_RATES)
+		rate_index = MWIFIEX_MAX_AC_RX_RATES - 1;
+
 	return rate_index;
 }
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/wireless/mediatek/mt76/dma.c linux-libre-5.1.6-gnu/drivers/net/wireless/mediatek/mt76/dma.c
--- linux-libre-5.1.5-gnu/drivers/net/wireless/mediatek/mt76/dma.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/wireless/mediatek/mt76/dma.c	2019-05-31 09:43:59.000000000 -0400
@@ -271,10 +271,11 @@ mt76_dma_tx_queue_skb_raw(struct mt76_de
 	return 0;
 }
 
-int mt76_dma_tx_queue_skb(struct mt76_dev *dev, struct mt76_queue *q,
+int mt76_dma_tx_queue_skb(struct mt76_dev *dev, enum mt76_txq_id qid,
 			  struct sk_buff *skb, struct mt76_wcid *wcid,
 			  struct ieee80211_sta *sta)
 {
+	struct mt76_queue *q = &dev->q_tx[qid];
 	struct mt76_queue_entry e;
 	struct mt76_txwi_cache *t;
 	struct mt76_queue_buf buf[32];
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/wireless/mediatek/mt76/mt7603/beacon.c linux-libre-5.1.6-gnu/drivers/net/wireless/mediatek/mt76/mt7603/beacon.c
--- linux-libre-5.1.5-gnu/drivers/net/wireless/mediatek/mt76/mt7603/beacon.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/wireless/mediatek/mt76/mt7603/beacon.c	2019-05-31 09:43:59.000000000 -0400
@@ -23,7 +23,7 @@ mt7603_update_beacon_iter(void *priv, u8
 	if (!skb)
 		return;
 
-	mt76_dma_tx_queue_skb(&dev->mt76, &dev->mt76.q_tx[MT_TXQ_BEACON], skb,
+	mt76_dma_tx_queue_skb(&dev->mt76, MT_TXQ_BEACON, skb,
 			      &mvif->sta.wcid, NULL);
 
 	spin_lock_bh(&dev->ps_lock);
@@ -118,8 +118,8 @@ void mt7603_pre_tbtt_tasklet(unsigned lo
 		struct ieee80211_vif *vif = info->control.vif;
 		struct mt7603_vif *mvif = (struct mt7603_vif *)vif->drv_priv;
 
-		mt76_dma_tx_queue_skb(&dev->mt76, q, skb, &mvif->sta.wcid,
-				      NULL);
+		mt76_dma_tx_queue_skb(&dev->mt76, MT_TXQ_CAB, skb,
+				      &mvif->sta.wcid, NULL);
 	}
 	mt76_queue_kick(dev, q);
 	spin_unlock_bh(&q->lock);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/wireless/mediatek/mt76/mt76.h linux-libre-5.1.6-gnu/drivers/net/wireless/mediatek/mt76/mt76.h
--- linux-libre-5.1.5-gnu/drivers/net/wireless/mediatek/mt76/mt76.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/wireless/mediatek/mt76/mt76.h	2019-05-31 09:43:59.000000000 -0400
@@ -156,7 +156,7 @@ struct mt76_queue_ops {
 		       struct mt76_queue_buf *buf, int nbufs, u32 info,
 		       struct sk_buff *skb, void *txwi);
 
-	int (*tx_queue_skb)(struct mt76_dev *dev, struct mt76_queue *q,
+	int (*tx_queue_skb)(struct mt76_dev *dev, enum mt76_txq_id qid,
 			    struct sk_buff *skb, struct mt76_wcid *wcid,
 			    struct ieee80211_sta *sta);
 
@@ -645,7 +645,7 @@ static inline struct mt76_tx_cb *mt76_tx
 	return ((void *) IEEE80211_SKB_CB(skb)->status.status_driver_data);
 }
 
-int mt76_dma_tx_queue_skb(struct mt76_dev *dev, struct mt76_queue *q,
+int mt76_dma_tx_queue_skb(struct mt76_dev *dev, enum mt76_txq_id qid,
 			  struct sk_buff *skb, struct mt76_wcid *wcid,
 			  struct ieee80211_sta *sta);
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c linux-libre-5.1.6-gnu/drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c
--- linux-libre-5.1.5-gnu/drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c	2019-05-31 09:43:59.000000000 -0400
@@ -146,8 +146,8 @@ static void mt76x02_pre_tbtt_tasklet(uns
 		struct ieee80211_vif *vif = info->control.vif;
 		struct mt76x02_vif *mvif = (struct mt76x02_vif *)vif->drv_priv;
 
-		mt76_dma_tx_queue_skb(&dev->mt76, q, skb, &mvif->group_wcid,
-				      NULL);
+		mt76_dma_tx_queue_skb(&dev->mt76, MT_TXQ_PSD, skb,
+				      &mvif->group_wcid, NULL);
 	}
 	spin_unlock_bh(&q->lock);
 }
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/wireless/mediatek/mt76/tx.c linux-libre-5.1.6-gnu/drivers/net/wireless/mediatek/mt76/tx.c
--- linux-libre-5.1.5-gnu/drivers/net/wireless/mediatek/mt76/tx.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/wireless/mediatek/mt76/tx.c	2019-05-31 09:43:59.000000000 -0400
@@ -286,7 +286,7 @@ mt76_tx(struct mt76_dev *dev, struct iee
 	q = &dev->q_tx[qid];
 
 	spin_lock_bh(&q->lock);
-	dev->queue_ops->tx_queue_skb(dev, q, skb, wcid, sta);
+	dev->queue_ops->tx_queue_skb(dev, qid, skb, wcid, sta);
 	dev->queue_ops->kick(dev, q);
 
 	if (q->queued > q->ndesc - 8 && !q->stopped) {
@@ -327,7 +327,6 @@ mt76_queue_ps_skb(struct mt76_dev *dev,
 {
 	struct mt76_wcid *wcid = (struct mt76_wcid *) sta->drv_priv;
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
-	struct mt76_queue *hwq = &dev->q_tx[MT_TXQ_PSD];
 
 	info->control.flags |= IEEE80211_TX_CTRL_PS_RESPONSE;
 	if (last)
@@ -335,7 +334,7 @@ mt76_queue_ps_skb(struct mt76_dev *dev,
 			       IEEE80211_TX_CTL_REQ_TX_STATUS;
 
 	mt76_skb_set_moredata(skb, !last);
-	dev->queue_ops->tx_queue_skb(dev, hwq, skb, wcid, sta);
+	dev->queue_ops->tx_queue_skb(dev, MT_TXQ_PSD, skb, wcid, sta);
 }
 
 void
@@ -390,6 +389,7 @@ mt76_txq_send_burst(struct mt76_dev *dev
 		    struct mt76_txq *mtxq, bool *empty)
 {
 	struct ieee80211_txq *txq = mtxq_to_txq(mtxq);
+	enum mt76_txq_id qid = mt76_txq_get_qid(txq);
 	struct ieee80211_tx_info *info;
 	struct mt76_wcid *wcid = mtxq->wcid;
 	struct sk_buff *skb;
@@ -423,7 +423,7 @@ mt76_txq_send_burst(struct mt76_dev *dev
 	if (ampdu)
 		mt76_check_agg_ssn(mtxq, skb);
 
-	idx = dev->queue_ops->tx_queue_skb(dev, hwq, skb, wcid, txq->sta);
+	idx = dev->queue_ops->tx_queue_skb(dev, qid, skb, wcid, txq->sta);
 
 	if (idx < 0)
 		return idx;
@@ -458,7 +458,7 @@ mt76_txq_send_burst(struct mt76_dev *dev
 		if (cur_ampdu)
 			mt76_check_agg_ssn(mtxq, skb);
 
-		idx = dev->queue_ops->tx_queue_skb(dev, hwq, skb, wcid,
+		idx = dev->queue_ops->tx_queue_skb(dev, qid, skb, wcid,
 						   txq->sta);
 		if (idx < 0)
 			return idx;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/wireless/mediatek/mt76/usb.c linux-libre-5.1.6-gnu/drivers/net/wireless/mediatek/mt76/usb.c
--- linux-libre-5.1.5-gnu/drivers/net/wireless/mediatek/mt76/usb.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/wireless/mediatek/mt76/usb.c	2019-05-31 09:43:59.000000000 -0400
@@ -726,10 +726,11 @@ mt76u_tx_build_sg(struct mt76_dev *dev,
 }
 
 static int
-mt76u_tx_queue_skb(struct mt76_dev *dev, struct mt76_queue *q,
+mt76u_tx_queue_skb(struct mt76_dev *dev, enum mt76_txq_id qid,
 		   struct sk_buff *skb, struct mt76_wcid *wcid,
 		   struct ieee80211_sta *sta)
 {
+	struct mt76_queue *q = &dev->q_tx[qid];
 	struct mt76u_buf *buf;
 	u16 idx = q->tail;
 	int err;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/wireless/realtek/rtlwifi/base.c linux-libre-5.1.6-gnu/drivers/net/wireless/realtek/rtlwifi/base.c
--- linux-libre-5.1.5-gnu/drivers/net/wireless/realtek/rtlwifi/base.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/wireless/realtek/rtlwifi/base.c	2019-05-31 09:43:59.000000000 -0400
@@ -448,6 +448,11 @@ static void _rtl_init_deferred_work(stru
 	/* <2> work queue */
 	rtlpriv->works.hw = hw;
 	rtlpriv->works.rtl_wq = alloc_workqueue("%s", 0, 0, rtlpriv->cfg->name);
+	if (unlikely(!rtlpriv->works.rtl_wq)) {
+		pr_err("Failed to allocate work queue\n");
+		return;
+	}
+
 	INIT_DELAYED_WORK(&rtlpriv->works.watchdog_wq,
 			  (void *)rtl_watchdog_wq_callback);
 	INIT_DELAYED_WORK(&rtlpriv->works.ips_nic_off_wq,
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/fw.c linux-libre-5.1.6-gnu/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/fw.c
--- linux-libre-5.1.5-gnu/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/fw.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/fw.c	2019-05-31 09:43:59.000000000 -0400
@@ -600,6 +600,8 @@ void rtl88e_set_fw_rsvdpagepkt(struct ie
 		      u1rsvdpageloc, 3);
 
 	skb = dev_alloc_skb(totalpacketlen);
+	if (!skb)
+		return;
 	skb_put_data(skb, &reserved_page_packet, totalpacketlen);
 
 	rtstatus = rtl_cmd_send_packet(hw, skb);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/wireless/realtek/rtlwifi/rtl8192c/fw_common.c linux-libre-5.1.6-gnu/drivers/net/wireless/realtek/rtlwifi/rtl8192c/fw_common.c
--- linux-libre-5.1.5-gnu/drivers/net/wireless/realtek/rtlwifi/rtl8192c/fw_common.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/wireless/realtek/rtlwifi/rtl8192c/fw_common.c	2019-05-31 09:43:59.000000000 -0400
@@ -623,6 +623,8 @@ void rtl92c_set_fw_rsvdpagepkt(struct ie
 		      u1rsvdpageloc, 3);
 
 	skb = dev_alloc_skb(totalpacketlen);
+	if (!skb)
+		return;
 	skb_put_data(skb, &reserved_page_packet, totalpacketlen);
 
 	if (cmd_send_packet)
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/fw.c linux-libre-5.1.6-gnu/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/fw.c
--- linux-libre-5.1.5-gnu/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/fw.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/fw.c	2019-05-31 09:43:59.000000000 -0400
@@ -744,6 +744,8 @@ void rtl92ee_set_fw_rsvdpagepkt(struct i
 		      u1rsvdpageloc, 3);
 
 	skb = dev_alloc_skb(totalpacketlen);
+	if (!skb)
+		return;
 	skb_put_data(skb, &reserved_page_packet, totalpacketlen);
 
 	rtstatus = rtl_cmd_send_packet(hw, skb);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/fw.c linux-libre-5.1.6-gnu/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/fw.c
--- linux-libre-5.1.5-gnu/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/fw.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/fw.c	2019-05-31 09:43:59.000000000 -0400
@@ -448,6 +448,8 @@ void rtl8723e_set_fw_rsvdpagepkt(struct
 		      u1rsvdpageloc, 3);
 
 	skb = dev_alloc_skb(totalpacketlen);
+	if (!skb)
+		return;
 	skb_put_data(skb, &reserved_page_packet, totalpacketlen);
 
 	rtstatus = rtl_cmd_send_packet(hw, skb);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/wireless/realtek/rtlwifi/rtl8723be/fw.c linux-libre-5.1.6-gnu/drivers/net/wireless/realtek/rtlwifi/rtl8723be/fw.c
--- linux-libre-5.1.5-gnu/drivers/net/wireless/realtek/rtlwifi/rtl8723be/fw.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/wireless/realtek/rtlwifi/rtl8723be/fw.c	2019-05-31 09:43:59.000000000 -0400
@@ -562,6 +562,8 @@ void rtl8723be_set_fw_rsvdpagepkt(struct
 		      u1rsvdpageloc, sizeof(u1rsvdpageloc));
 
 	skb = dev_alloc_skb(totalpacketlen);
+	if (!skb)
+		return;
 	skb_put_data(skb, &reserved_page_packet, totalpacketlen);
 
 	rtstatus = rtl_cmd_send_packet(hw, skb);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/fw.c linux-libre-5.1.6-gnu/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/fw.c
--- linux-libre-5.1.5-gnu/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/fw.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/fw.c	2019-05-31 09:43:59.000000000 -0400
@@ -1623,6 +1623,8 @@ out:
 		      &reserved_page_packet_8812[0], totalpacketlen);
 
 	skb = dev_alloc_skb(totalpacketlen);
+	if (!skb)
+		return;
 	skb_put_data(skb, &reserved_page_packet_8812, totalpacketlen);
 
 	rtstatus = rtl_cmd_send_packet(hw, skb);
@@ -1759,6 +1761,8 @@ out:
 		      &reserved_page_packet_8821[0], totalpacketlen);
 
 	skb = dev_alloc_skb(totalpacketlen);
+	if (!skb)
+		return;
 	skb_put_data(skb, &reserved_page_packet_8821, totalpacketlen);
 
 	rtstatus = rtl_cmd_send_packet(hw, skb);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/wireless/rsi/rsi_91x_mac80211.c linux-libre-5.1.6-gnu/drivers/net/wireless/rsi/rsi_91x_mac80211.c
--- linux-libre-5.1.5-gnu/drivers/net/wireless/rsi/rsi_91x_mac80211.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/wireless/rsi/rsi_91x_mac80211.c	2019-05-31 09:43:59.000000000 -0400
@@ -188,27 +188,27 @@ bool rsi_is_cipher_wep(struct rsi_common
  * @adapter: Pointer to the adapter structure.
  * @band: Operating band to be set.
  *
- * Return: None.
+ * Return: int - 0 on success, negative error on failure.
  */
-static void rsi_register_rates_channels(struct rsi_hw *adapter, int band)
+static int rsi_register_rates_channels(struct rsi_hw *adapter, int band)
 {
 	struct ieee80211_supported_band *sbands = &adapter->sbands[band];
 	void *channels = NULL;
 
 	if (band == NL80211_BAND_2GHZ) {
-		channels = kmalloc(sizeof(rsi_2ghz_channels), GFP_KERNEL);
-		memcpy(channels,
-		       rsi_2ghz_channels,
-		       sizeof(rsi_2ghz_channels));
+		channels = kmemdup(rsi_2ghz_channels, sizeof(rsi_2ghz_channels),
+				   GFP_KERNEL);
+		if (!channels)
+			return -ENOMEM;
 		sbands->band = NL80211_BAND_2GHZ;
 		sbands->n_channels = ARRAY_SIZE(rsi_2ghz_channels);
 		sbands->bitrates = rsi_rates;
 		sbands->n_bitrates = ARRAY_SIZE(rsi_rates);
 	} else {
-		channels = kmalloc(sizeof(rsi_5ghz_channels), GFP_KERNEL);
-		memcpy(channels,
-		       rsi_5ghz_channels,
-		       sizeof(rsi_5ghz_channels));
+		channels = kmemdup(rsi_5ghz_channels, sizeof(rsi_5ghz_channels),
+				   GFP_KERNEL);
+		if (!channels)
+			return -ENOMEM;
 		sbands->band = NL80211_BAND_5GHZ;
 		sbands->n_channels = ARRAY_SIZE(rsi_5ghz_channels);
 		sbands->bitrates = &rsi_rates[4];
@@ -227,6 +227,7 @@ static void rsi_register_rates_channels(
 	sbands->ht_cap.mcs.rx_mask[0] = 0xff;
 	sbands->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
 	/* sbands->ht_cap.mcs.rx_highest = 0x82; */
+	return 0;
 }
 
 static int rsi_mac80211_hw_scan_start(struct ieee80211_hw *hw,
@@ -2064,11 +2065,16 @@ int rsi_mac80211_attach(struct rsi_commo
 	wiphy->available_antennas_rx = 1;
 	wiphy->available_antennas_tx = 1;
 
-	rsi_register_rates_channels(adapter, NL80211_BAND_2GHZ);
+	status = rsi_register_rates_channels(adapter, NL80211_BAND_2GHZ);
+	if (status)
+		return status;
 	wiphy->bands[NL80211_BAND_2GHZ] =
 		&adapter->sbands[NL80211_BAND_2GHZ];
 	if (common->num_supp_bands > 1) {
-		rsi_register_rates_channels(adapter, NL80211_BAND_5GHZ);
+		status = rsi_register_rates_channels(adapter,
+						     NL80211_BAND_5GHZ);
+		if (status)
+			return status;
 		wiphy->bands[NL80211_BAND_5GHZ] =
 			&adapter->sbands[NL80211_BAND_5GHZ];
 	}
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/net/wireless/st/cw1200/main.c linux-libre-5.1.6-gnu/drivers/net/wireless/st/cw1200/main.c
--- linux-libre-5.1.5-gnu/drivers/net/wireless/st/cw1200/main.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/net/wireless/st/cw1200/main.c	2019-05-31 09:43:59.000000000 -0400
@@ -345,6 +345,11 @@ static struct ieee80211_hw *cw1200_init_
 	mutex_init(&priv->wsm_cmd_mux);
 	mutex_init(&priv->conf_mutex);
 	priv->workqueue = create_singlethread_workqueue("cw1200_wq");
+	if (!priv->workqueue) {
+		ieee80211_free_hw(hw);
+		return NULL;
+	}
+
 	sema_init(&priv->scan.lock, 1);
 	INIT_WORK(&priv->scan.work, cw1200_scan_work);
 	INIT_DELAYED_WORK(&priv->scan.probe_work, cw1200_probe_work);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/nvdimm/pmem.c linux-libre-5.1.6-gnu/drivers/nvdimm/pmem.c
--- linux-libre-5.1.5-gnu/drivers/nvdimm/pmem.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/nvdimm/pmem.c	2019-05-31 09:43:59.000000000 -0400
@@ -281,20 +281,27 @@ static long pmem_dax_direct_access(struc
 	return __pmem_direct_access(pmem, pgoff, nr_pages, kaddr, pfn);
 }
 
+/*
+ * Use the 'no check' versions of copy_from_iter_flushcache() and
+ * copy_to_iter_mcsafe() to bypass HARDENED_USERCOPY overhead. Bounds
+ * checking, both file offset and device offset, is handled by
+ * dax_iomap_actor()
+ */
 static size_t pmem_copy_from_iter(struct dax_device *dax_dev, pgoff_t pgoff,
 		void *addr, size_t bytes, struct iov_iter *i)
 {
-	return copy_from_iter_flushcache(addr, bytes, i);
+	return _copy_from_iter_flushcache(addr, bytes, i);
 }
 
 static size_t pmem_copy_to_iter(struct dax_device *dax_dev, pgoff_t pgoff,
 		void *addr, size_t bytes, struct iov_iter *i)
 {
-	return copy_to_iter_mcsafe(addr, bytes, i);
+	return _copy_to_iter_mcsafe(addr, bytes, i);
 }
 
 static const struct dax_operations pmem_dax_ops = {
 	.direct_access = pmem_dax_direct_access,
+	.dax_supported = generic_fsdax_supported,
 	.copy_from_iter = pmem_copy_from_iter,
 	.copy_to_iter = pmem_copy_to_iter,
 };
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/nvme/host/core.c linux-libre-5.1.6-gnu/drivers/nvme/host/core.c
--- linux-libre-5.1.5-gnu/drivers/nvme/host/core.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/nvme/host/core.c	2019-05-31 09:43:59.000000000 -0400
@@ -1591,6 +1591,10 @@ static void nvme_update_disk_info(struct
 	sector_t capacity = le64_to_cpup(&id->nsze) << (ns->lba_shift - 9);
 	unsigned short bs = 1 << ns->lba_shift;
 
+	if (ns->lba_shift > PAGE_SHIFT) {
+		/* unsupported block size, set capacity to 0 later */
+		bs = (1 << 9);
+	}
 	blk_mq_freeze_queue(disk->queue);
 	blk_integrity_unregister(disk);
 
@@ -1601,7 +1605,8 @@ static void nvme_update_disk_info(struct
 	if (ns->ms && !ns->ext &&
 	    (ns->ctrl->ops->flags & NVME_F_METADATA_SUPPORTED))
 		nvme_init_integrity(disk, ns->ms, ns->pi_type);
-	if (ns->ms && !nvme_ns_has_pi(ns) && !blk_get_integrity(disk))
+	if ((ns->ms && !nvme_ns_has_pi(ns) && !blk_get_integrity(disk)) ||
+	    ns->lba_shift > PAGE_SHIFT)
 		capacity = 0;
 
 	set_capacity(disk, capacity);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/nvme/host/rdma.c linux-libre-5.1.6-gnu/drivers/nvme/host/rdma.c
--- linux-libre-5.1.5-gnu/drivers/nvme/host/rdma.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/nvme/host/rdma.c	2019-05-31 09:43:59.000000000 -0400
@@ -914,8 +914,9 @@ static void nvme_rdma_teardown_admin_que
 {
 	blk_mq_quiesce_queue(ctrl->ctrl.admin_q);
 	nvme_rdma_stop_queue(&ctrl->queues[0]);
-	blk_mq_tagset_busy_iter(&ctrl->admin_tag_set, nvme_cancel_request,
-			&ctrl->ctrl);
+	if (ctrl->ctrl.admin_tagset)
+		blk_mq_tagset_busy_iter(ctrl->ctrl.admin_tagset,
+			nvme_cancel_request, &ctrl->ctrl);
 	blk_mq_unquiesce_queue(ctrl->ctrl.admin_q);
 	nvme_rdma_destroy_admin_queue(ctrl, remove);
 }
@@ -926,8 +927,9 @@ static void nvme_rdma_teardown_io_queues
 	if (ctrl->ctrl.queue_count > 1) {
 		nvme_stop_queues(&ctrl->ctrl);
 		nvme_rdma_stop_io_queues(ctrl);
-		blk_mq_tagset_busy_iter(&ctrl->tag_set, nvme_cancel_request,
-				&ctrl->ctrl);
+		if (ctrl->ctrl.tagset)
+			blk_mq_tagset_busy_iter(ctrl->ctrl.tagset,
+				nvme_cancel_request, &ctrl->ctrl);
 		if (remove)
 			nvme_start_queues(&ctrl->ctrl);
 		nvme_rdma_destroy_io_queues(ctrl, remove);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/nvme/host/tcp.c linux-libre-5.1.6-gnu/drivers/nvme/host/tcp.c
--- linux-libre-5.1.5-gnu/drivers/nvme/host/tcp.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/nvme/host/tcp.c	2019-05-31 09:43:59.000000000 -0400
@@ -1710,7 +1710,9 @@ static void nvme_tcp_teardown_admin_queu
 {
 	blk_mq_quiesce_queue(ctrl->admin_q);
 	nvme_tcp_stop_queue(ctrl, 0);
-	blk_mq_tagset_busy_iter(ctrl->admin_tagset, nvme_cancel_request, ctrl);
+	if (ctrl->admin_tagset)
+		blk_mq_tagset_busy_iter(ctrl->admin_tagset,
+			nvme_cancel_request, ctrl);
 	blk_mq_unquiesce_queue(ctrl->admin_q);
 	nvme_tcp_destroy_admin_queue(ctrl, remove);
 }
@@ -1722,7 +1724,9 @@ static void nvme_tcp_teardown_io_queues(
 		return;
 	nvme_stop_queues(ctrl);
 	nvme_tcp_stop_io_queues(ctrl);
-	blk_mq_tagset_busy_iter(ctrl->tagset, nvme_cancel_request, ctrl);
+	if (ctrl->tagset)
+		blk_mq_tagset_busy_iter(ctrl->tagset,
+			nvme_cancel_request, ctrl);
 	if (remove)
 		nvme_start_queues(ctrl);
 	nvme_tcp_destroy_io_queues(ctrl, remove);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/perf/arm-cci.c linux-libre-5.1.6-gnu/drivers/perf/arm-cci.c
--- linux-libre-5.1.5-gnu/drivers/perf/arm-cci.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/perf/arm-cci.c	2019-05-31 09:43:59.000000000 -0400
@@ -1684,21 +1684,24 @@ static int cci_pmu_probe(struct platform
 	raw_spin_lock_init(&cci_pmu->hw_events.pmu_lock);
 	mutex_init(&cci_pmu->reserve_mutex);
 	atomic_set(&cci_pmu->active_events, 0);
-	cci_pmu->cpu = get_cpu();
-
-	ret = cci_pmu_init(cci_pmu, pdev);
-	if (ret) {
-		put_cpu();
-		return ret;
-	}
 
+	cci_pmu->cpu = raw_smp_processor_id();
+	g_cci_pmu = cci_pmu;
 	cpuhp_setup_state_nocalls(CPUHP_AP_PERF_ARM_CCI_ONLINE,
 				  "perf/arm/cci:online", NULL,
 				  cci_pmu_offline_cpu);
-	put_cpu();
-	g_cci_pmu = cci_pmu;
+
+	ret = cci_pmu_init(cci_pmu, pdev);
+	if (ret)
+		goto error_pmu_init;
+
 	pr_info("ARM %s PMU driver probed", cci_pmu->model->name);
 	return 0;
+
+error_pmu_init:
+	cpuhp_remove_state(CPUHP_AP_PERF_ARM_CCI_ONLINE);
+	g_cci_pmu = NULL;
+	return ret;
 }
 
 static int cci_pmu_remove(struct platform_device *pdev)
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/phy/allwinner/phy-sun4i-usb.c linux-libre-5.1.6-gnu/drivers/phy/allwinner/phy-sun4i-usb.c
--- linux-libre-5.1.5-gnu/drivers/phy/allwinner/phy-sun4i-usb.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/phy/allwinner/phy-sun4i-usb.c	2019-05-31 09:43:59.000000000 -0400
@@ -554,6 +554,7 @@ static void sun4i_usb_phy0_id_vbus_det_s
 	struct sun4i_usb_phy_data *data =
 		container_of(work, struct sun4i_usb_phy_data, detect.work);
 	struct phy *phy0 = data->phys[0].phy;
+	struct sun4i_usb_phy *phy = phy_get_drvdata(phy0);
 	bool force_session_end, id_notify = false, vbus_notify = false;
 	int id_det, vbus_det;
 
@@ -610,6 +611,9 @@ static void sun4i_usb_phy0_id_vbus_det_s
 			mutex_unlock(&phy0->mutex);
 		}
 
+		/* Enable PHY0 passby for host mode only. */
+		sun4i_usb_phy_passby(phy, !id_det);
+
 		/* Re-route PHY0 if necessary */
 		if (data->cfg->phy0_dual_route)
 			sun4i_usb_phy0_reroute(data, id_det);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/phy/motorola/Kconfig linux-libre-5.1.6-gnu/drivers/phy/motorola/Kconfig
--- linux-libre-5.1.5-gnu/drivers/phy/motorola/Kconfig	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/phy/motorola/Kconfig	2019-05-31 09:43:59.000000000 -0400
@@ -13,7 +13,7 @@ config PHY_CPCAP_USB
 
 config PHY_MAPPHONE_MDM6600
 	tristate "Motorola Mapphone MDM6600 modem USB PHY driver"
-	depends on OF && USB_SUPPORT
+	depends on OF && USB_SUPPORT && GPIOLIB
 	select GENERIC_PHY
 	help
 	  Enable this for MDM6600 USB modem to work on Motorola phones
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/phy/ti/Kconfig linux-libre-5.1.6-gnu/drivers/phy/ti/Kconfig
--- linux-libre-5.1.5-gnu/drivers/phy/ti/Kconfig	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/phy/ti/Kconfig	2019-05-31 09:43:59.000000000 -0400
@@ -37,7 +37,7 @@ config OMAP_USB2
 	depends on USB_SUPPORT
 	select GENERIC_PHY
 	select USB_PHY
-	select OMAP_CONTROL_PHY if ARCH_OMAP2PLUS
+	select OMAP_CONTROL_PHY if ARCH_OMAP2PLUS || COMPILE_TEST
 	help
 	  Enable this to support the transceiver that is part of SOC. This
 	  driver takes care of all the PHY functionality apart from comparator.
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/pinctrl/pinctrl-pistachio.c linux-libre-5.1.6-gnu/drivers/pinctrl/pinctrl-pistachio.c
--- linux-libre-5.1.5-gnu/drivers/pinctrl/pinctrl-pistachio.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/pinctrl/pinctrl-pistachio.c	2019-05-31 09:43:59.000000000 -0400
@@ -1367,6 +1367,7 @@ static int pistachio_gpio_register(struc
 		if (!of_find_property(child, "gpio-controller", NULL)) {
 			dev_err(pctl->dev,
 				"No gpio-controller property for bank %u\n", i);
+			of_node_put(child);
 			ret = -ENODEV;
 			goto err;
 		}
@@ -1374,6 +1375,7 @@ static int pistachio_gpio_register(struc
 		irq = irq_of_parse_and_map(child, 0);
 		if (irq < 0) {
 			dev_err(pctl->dev, "No IRQ for bank %u: %d\n", i, irq);
+			of_node_put(child);
 			ret = irq;
 			goto err;
 		}
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/pinctrl/pinctrl-st.c linux-libre-5.1.6-gnu/drivers/pinctrl/pinctrl-st.c
--- linux-libre-5.1.5-gnu/drivers/pinctrl/pinctrl-st.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/pinctrl/pinctrl-st.c	2019-05-31 09:43:59.000000000 -0400
@@ -1170,7 +1170,7 @@ static int st_pctl_dt_parse_groups(struc
 	struct property *pp;
 	struct st_pinconf *conf;
 	struct device_node *pins;
-	int i = 0, npins = 0, nr_props;
+	int i = 0, npins = 0, nr_props, ret = 0;
 
 	pins = of_get_child_by_name(np, "st,pins");
 	if (!pins)
@@ -1185,7 +1185,8 @@ static int st_pctl_dt_parse_groups(struc
 			npins++;
 		} else {
 			pr_warn("Invalid st,pins in %pOFn node\n", np);
-			return -EINVAL;
+			ret = -EINVAL;
+			goto out_put_node;
 		}
 	}
 
@@ -1195,8 +1196,10 @@ static int st_pctl_dt_parse_groups(struc
 	grp->pin_conf = devm_kcalloc(info->dev,
 					npins, sizeof(*conf), GFP_KERNEL);
 
-	if (!grp->pins || !grp->pin_conf)
-		return -ENOMEM;
+	if (!grp->pins || !grp->pin_conf) {
+		ret = -ENOMEM;
+		goto out_put_node;
+	}
 
 	/* <bank offset mux direction rt_type rt_delay rt_clk> */
 	for_each_property_of_node(pins, pp) {
@@ -1229,9 +1232,11 @@ static int st_pctl_dt_parse_groups(struc
 		}
 		i++;
 	}
+
+out_put_node:
 	of_node_put(pins);
 
-	return 0;
+	return ret;
 }
 
 static int st_pctl_parse_functions(struct device_node *np,
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/pinctrl/samsung/pinctrl-exynos-arm.c linux-libre-5.1.6-gnu/drivers/pinctrl/samsung/pinctrl-exynos-arm.c
--- linux-libre-5.1.5-gnu/drivers/pinctrl/samsung/pinctrl-exynos-arm.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/pinctrl/samsung/pinctrl-exynos-arm.c	2019-05-31 09:43:59.000000000 -0400
@@ -71,6 +71,7 @@ s5pv210_retention_init(struct samsung_pi
 	}
 
 	clk_base = of_iomap(np, 0);
+	of_node_put(np);
 	if (!clk_base) {
 		pr_err("%s: failed to map clock registers\n", __func__);
 		return ERR_PTR(-EINVAL);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/pinctrl/zte/pinctrl-zx.c linux-libre-5.1.6-gnu/drivers/pinctrl/zte/pinctrl-zx.c
--- linux-libre-5.1.5-gnu/drivers/pinctrl/zte/pinctrl-zx.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/pinctrl/zte/pinctrl-zx.c	2019-05-31 09:43:59.000000000 -0400
@@ -411,6 +411,7 @@ int zx_pinctrl_init(struct platform_devi
 	}
 
 	zpctl->aux_base = of_iomap(np, 0);
+	of_node_put(np);
 	if (!zpctl->aux_base)
 		return -ENOMEM;
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/regulator/core.c linux-libre-5.1.6-gnu/drivers/regulator/core.c
--- linux-libre-5.1.5-gnu/drivers/regulator/core.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/regulator/core.c	2019-05-31 09:43:59.000000000 -0400
@@ -2256,6 +2256,7 @@ static void regulator_ena_gpio_free(stru
 		if (pin->gpiod == rdev->ena_pin->gpiod) {
 			if (pin->request_count <= 1) {
 				pin->request_count = 0;
+				gpiod_put(pin->gpiod);
 				list_del(&pin->list);
 				kfree(pin);
 				rdev->ena_pin = NULL;
@@ -5061,10 +5062,11 @@ void regulator_unregister(struct regulat
 		regulator_put(rdev->supply);
 	}
 
+	flush_work(&rdev->disable_work.work);
+
 	mutex_lock(&regulator_list_mutex);
 
 	debugfs_remove_recursive(rdev->debugfs);
-	flush_work(&rdev->disable_work.work);
 	WARN_ON(rdev->open_count);
 	regulator_remove_coupling(rdev);
 	unset_regulator_supplies(rdev);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/regulator/da9055-regulator.c linux-libre-5.1.6-gnu/drivers/regulator/da9055-regulator.c
--- linux-libre-5.1.5-gnu/drivers/regulator/da9055-regulator.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/regulator/da9055-regulator.c	2019-05-31 09:43:59.000000000 -0400
@@ -487,8 +487,10 @@ static irqreturn_t da9055_ldo5_6_oc_irq(
 {
 	struct da9055_regulator *regulator = data;
 
+	regulator_lock(regulator->rdev);
 	regulator_notifier_call_chain(regulator->rdev,
 				      REGULATOR_EVENT_OVER_CURRENT, NULL);
+	regulator_unlock(regulator->rdev);
 
 	return IRQ_HANDLED;
 }
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/regulator/da9062-regulator.c linux-libre-5.1.6-gnu/drivers/regulator/da9062-regulator.c
--- linux-libre-5.1.5-gnu/drivers/regulator/da9062-regulator.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/regulator/da9062-regulator.c	2019-05-31 09:43:59.000000000 -0400
@@ -974,8 +974,10 @@ static irqreturn_t da9062_ldo_lim_event(
 			continue;
 
 		if (BIT(regl->info->oc_event.lsb) & bits) {
+			regulator_lock(regl->rdev);
 			regulator_notifier_call_chain(regl->rdev,
 					REGULATOR_EVENT_OVER_CURRENT, NULL);
+			regulator_unlock(regl->rdev);
 			handled = IRQ_HANDLED;
 		}
 	}
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/regulator/da9063-regulator.c linux-libre-5.1.6-gnu/drivers/regulator/da9063-regulator.c
--- linux-libre-5.1.5-gnu/drivers/regulator/da9063-regulator.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/regulator/da9063-regulator.c	2019-05-31 09:43:59.000000000 -0400
@@ -615,9 +615,12 @@ static irqreturn_t da9063_ldo_lim_event(
 		if (regl->info->oc_event.reg != DA9063_REG_STATUS_D)
 			continue;
 
-		if (BIT(regl->info->oc_event.lsb) & bits)
+		if (BIT(regl->info->oc_event.lsb) & bits) {
+		        regulator_lock(regl->rdev);
 			regulator_notifier_call_chain(regl->rdev,
 					REGULATOR_EVENT_OVER_CURRENT, NULL);
+		        regulator_unlock(regl->rdev);
+		}
 	}
 
 	return IRQ_HANDLED;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/regulator/da9211-regulator.c linux-libre-5.1.6-gnu/drivers/regulator/da9211-regulator.c
--- linux-libre-5.1.5-gnu/drivers/regulator/da9211-regulator.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/regulator/da9211-regulator.c	2019-05-31 09:43:59.000000000 -0400
@@ -322,8 +322,10 @@ static irqreturn_t da9211_irq_handler(in
 		goto error_i2c;
 
 	if (reg_val & DA9211_E_OV_CURR_A) {
+	        regulator_lock(chip->rdev[0]);
 		regulator_notifier_call_chain(chip->rdev[0],
 			REGULATOR_EVENT_OVER_CURRENT, NULL);
+	        regulator_unlock(chip->rdev[0]);
 
 		err = regmap_write(chip->regmap, DA9211_REG_EVENT_B,
 			DA9211_E_OV_CURR_A);
@@ -334,8 +336,10 @@ static irqreturn_t da9211_irq_handler(in
 	}
 
 	if (reg_val & DA9211_E_OV_CURR_B) {
+	        regulator_lock(chip->rdev[1]);
 		regulator_notifier_call_chain(chip->rdev[1],
 			REGULATOR_EVENT_OVER_CURRENT, NULL);
+	        regulator_unlock(chip->rdev[1]);
 
 		err = regmap_write(chip->regmap, DA9211_REG_EVENT_B,
 			DA9211_E_OV_CURR_B);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/regulator/lp8755.c linux-libre-5.1.6-gnu/drivers/regulator/lp8755.c
--- linux-libre-5.1.5-gnu/drivers/regulator/lp8755.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/regulator/lp8755.c	2019-05-31 09:43:59.000000000 -0400
@@ -372,10 +372,13 @@ static irqreturn_t lp8755_irq_handler(in
 	for (icnt = 0; icnt < LP8755_BUCK_MAX; icnt++)
 		if ((flag0 & (0x4 << icnt))
 		    && (pchip->irqmask & (0x04 << icnt))
-		    && (pchip->rdev[icnt] != NULL))
+		    && (pchip->rdev[icnt] != NULL)) {
+			regulator_lock(pchip->rdev[icnt]);
 			regulator_notifier_call_chain(pchip->rdev[icnt],
 						      LP8755_EVENT_PWR_FAULT,
 						      NULL);
+			regulator_unlock(pchip->rdev[icnt]);
+		}
 
 	/* read flag1 register */
 	ret = lp8755_read(pchip, 0x0E, &flag1);
@@ -389,18 +392,24 @@ static irqreturn_t lp8755_irq_handler(in
 	/* send OCP event to all regulator devices */
 	if ((flag1 & 0x01) && (pchip->irqmask & 0x01))
 		for (icnt = 0; icnt < LP8755_BUCK_MAX; icnt++)
-			if (pchip->rdev[icnt] != NULL)
+			if (pchip->rdev[icnt] != NULL) {
+				regulator_lock(pchip->rdev[icnt]);
 				regulator_notifier_call_chain(pchip->rdev[icnt],
 							      LP8755_EVENT_OCP,
 							      NULL);
+				regulator_unlock(pchip->rdev[icnt]);
+			}
 
 	/* send OVP event to all regulator devices */
 	if ((flag1 & 0x02) && (pchip->irqmask & 0x02))
 		for (icnt = 0; icnt < LP8755_BUCK_MAX; icnt++)
-			if (pchip->rdev[icnt] != NULL)
+			if (pchip->rdev[icnt] != NULL) {
+				regulator_lock(pchip->rdev[icnt]);
 				regulator_notifier_call_chain(pchip->rdev[icnt],
 							      LP8755_EVENT_OVP,
 							      NULL);
+				regulator_unlock(pchip->rdev[icnt]);
+			}
 	return IRQ_HANDLED;
 
 err_i2c:
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/regulator/ltc3589.c linux-libre-5.1.6-gnu/drivers/regulator/ltc3589.c
--- linux-libre-5.1.5-gnu/drivers/regulator/ltc3589.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/regulator/ltc3589.c	2019-05-31 09:43:59.000000000 -0400
@@ -419,16 +419,22 @@ static irqreturn_t ltc3589_isr(int irq,
 
 	if (irqstat & LTC3589_IRQSTAT_THERMAL_WARN) {
 		event = REGULATOR_EVENT_OVER_TEMP;
-		for (i = 0; i < LTC3589_NUM_REGULATORS; i++)
+		for (i = 0; i < LTC3589_NUM_REGULATORS; i++) {
+		        regulator_lock(ltc3589->regulators[i]);
 			regulator_notifier_call_chain(ltc3589->regulators[i],
 						      event, NULL);
+		        regulator_unlock(ltc3589->regulators[i]);
+		}
 	}
 
 	if (irqstat & LTC3589_IRQSTAT_UNDERVOLT_WARN) {
 		event = REGULATOR_EVENT_UNDER_VOLTAGE;
-		for (i = 0; i < LTC3589_NUM_REGULATORS; i++)
+		for (i = 0; i < LTC3589_NUM_REGULATORS; i++) {
+		        regulator_lock(ltc3589->regulators[i]);
 			regulator_notifier_call_chain(ltc3589->regulators[i],
 						      event, NULL);
+		        regulator_unlock(ltc3589->regulators[i]);
+		}
 	}
 
 	/* Clear warning condition */
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/regulator/ltc3676.c linux-libre-5.1.6-gnu/drivers/regulator/ltc3676.c
--- linux-libre-5.1.5-gnu/drivers/regulator/ltc3676.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/regulator/ltc3676.c	2019-05-31 09:43:59.000000000 -0400
@@ -285,17 +285,23 @@ static irqreturn_t ltc3676_isr(int irq,
 	if (irqstat & LTC3676_IRQSTAT_THERMAL_WARN) {
 		dev_warn(dev, "Over-temperature Warning\n");
 		event = REGULATOR_EVENT_OVER_TEMP;
-		for (i = 0; i < LTC3676_NUM_REGULATORS; i++)
+		for (i = 0; i < LTC3676_NUM_REGULATORS; i++) {
+			regulator_lock(ltc3676->regulators[i]);
 			regulator_notifier_call_chain(ltc3676->regulators[i],
 						      event, NULL);
+			regulator_unlock(ltc3676->regulators[i]);
+		}
 	}
 
 	if (irqstat & LTC3676_IRQSTAT_UNDERVOLT_WARN) {
 		dev_info(dev, "Undervoltage Warning\n");
 		event = REGULATOR_EVENT_UNDER_VOLTAGE;
-		for (i = 0; i < LTC3676_NUM_REGULATORS; i++)
+		for (i = 0; i < LTC3676_NUM_REGULATORS; i++) {
+			regulator_lock(ltc3676->regulators[i]);
 			regulator_notifier_call_chain(ltc3676->regulators[i],
 						      event, NULL);
+			regulator_unlock(ltc3676->regulators[i]);
+		}
 	}
 
 	/* Clear warning condition */
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/regulator/pv88060-regulator.c linux-libre-5.1.6-gnu/drivers/regulator/pv88060-regulator.c
--- linux-libre-5.1.5-gnu/drivers/regulator/pv88060-regulator.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/regulator/pv88060-regulator.c	2019-05-31 09:43:59.000000000 -0400
@@ -244,9 +244,11 @@ static irqreturn_t pv88060_irq_handler(i
 	if (reg_val & PV88060_E_VDD_FLT) {
 		for (i = 0; i < PV88060_MAX_REGULATORS; i++) {
 			if (chip->rdev[i] != NULL) {
+				regulator_lock(chip->rdev[i]);
 				regulator_notifier_call_chain(chip->rdev[i],
 					REGULATOR_EVENT_UNDER_VOLTAGE,
 					NULL);
+				regulator_unlock(chip->rdev[i]);
 			}
 		}
 
@@ -261,9 +263,11 @@ static irqreturn_t pv88060_irq_handler(i
 	if (reg_val & PV88060_E_OVER_TEMP) {
 		for (i = 0; i < PV88060_MAX_REGULATORS; i++) {
 			if (chip->rdev[i] != NULL) {
+				regulator_lock(chip->rdev[i]);
 				regulator_notifier_call_chain(chip->rdev[i],
 					REGULATOR_EVENT_OVER_TEMP,
 					NULL);
+				regulator_unlock(chip->rdev[i]);
 			}
 		}
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/regulator/pv88080-regulator.c linux-libre-5.1.6-gnu/drivers/regulator/pv88080-regulator.c
--- linux-libre-5.1.5-gnu/drivers/regulator/pv88080-regulator.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/regulator/pv88080-regulator.c	2019-05-31 09:43:59.000000000 -0400
@@ -345,9 +345,11 @@ static irqreturn_t pv88080_irq_handler(i
 	if (reg_val & PV88080_E_VDD_FLT) {
 		for (i = 0; i < PV88080_MAX_REGULATORS; i++) {
 			if (chip->rdev[i] != NULL) {
+			        regulator_lock(chip->rdev[i]);
 				regulator_notifier_call_chain(chip->rdev[i],
 					REGULATOR_EVENT_UNDER_VOLTAGE,
 					NULL);
+			        regulator_unlock(chip->rdev[i]);
 			}
 		}
 
@@ -362,9 +364,11 @@ static irqreturn_t pv88080_irq_handler(i
 	if (reg_val & PV88080_E_OVER_TEMP) {
 		for (i = 0; i < PV88080_MAX_REGULATORS; i++) {
 			if (chip->rdev[i] != NULL) {
+			        regulator_lock(chip->rdev[i]);
 				regulator_notifier_call_chain(chip->rdev[i],
 					REGULATOR_EVENT_OVER_TEMP,
 					NULL);
+			        regulator_unlock(chip->rdev[i]);
 			}
 		}
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/regulator/pv88090-regulator.c linux-libre-5.1.6-gnu/drivers/regulator/pv88090-regulator.c
--- linux-libre-5.1.5-gnu/drivers/regulator/pv88090-regulator.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/regulator/pv88090-regulator.c	2019-05-31 09:43:59.000000000 -0400
@@ -237,9 +237,11 @@ static irqreturn_t pv88090_irq_handler(i
 	if (reg_val & PV88090_E_VDD_FLT) {
 		for (i = 0; i < PV88090_MAX_REGULATORS; i++) {
 			if (chip->rdev[i] != NULL) {
+			        regulator_lock(chip->rdev[i]);
 				regulator_notifier_call_chain(chip->rdev[i],
 					REGULATOR_EVENT_UNDER_VOLTAGE,
 					NULL);
+			        regulator_unlock(chip->rdev[i]);
 			}
 		}
 
@@ -254,9 +256,11 @@ static irqreturn_t pv88090_irq_handler(i
 	if (reg_val & PV88090_E_OVER_TEMP) {
 		for (i = 0; i < PV88090_MAX_REGULATORS; i++) {
 			if (chip->rdev[i] != NULL) {
+			        regulator_lock(chip->rdev[i]);
 				regulator_notifier_call_chain(chip->rdev[i],
 					REGULATOR_EVENT_OVER_TEMP,
 					NULL);
+			        regulator_unlock(chip->rdev[i]);
 			}
 		}
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/regulator/wm831x-dcdc.c linux-libre-5.1.6-gnu/drivers/regulator/wm831x-dcdc.c
--- linux-libre-5.1.5-gnu/drivers/regulator/wm831x-dcdc.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/regulator/wm831x-dcdc.c	2019-05-31 09:43:59.000000000 -0400
@@ -183,9 +183,11 @@ static irqreturn_t wm831x_dcdc_uv_irq(in
 {
 	struct wm831x_dcdc *dcdc = data;
 
+	regulator_lock(dcdc->regulator);
 	regulator_notifier_call_chain(dcdc->regulator,
 				      REGULATOR_EVENT_UNDER_VOLTAGE,
 				      NULL);
+	regulator_unlock(dcdc->regulator);
 
 	return IRQ_HANDLED;
 }
@@ -194,9 +196,11 @@ static irqreturn_t wm831x_dcdc_oc_irq(in
 {
 	struct wm831x_dcdc *dcdc = data;
 
+	regulator_lock(dcdc->regulator);
 	regulator_notifier_call_chain(dcdc->regulator,
 				      REGULATOR_EVENT_OVER_CURRENT,
 				      NULL);
+	regulator_unlock(dcdc->regulator);
 
 	return IRQ_HANDLED;
 }
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/regulator/wm831x-isink.c linux-libre-5.1.6-gnu/drivers/regulator/wm831x-isink.c
--- linux-libre-5.1.5-gnu/drivers/regulator/wm831x-isink.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/regulator/wm831x-isink.c	2019-05-31 09:43:59.000000000 -0400
@@ -140,9 +140,11 @@ static irqreturn_t wm831x_isink_irq(int
 {
 	struct wm831x_isink *isink = data;
 
+	regulator_lock(isink->regulator);
 	regulator_notifier_call_chain(isink->regulator,
 				      REGULATOR_EVENT_OVER_CURRENT,
 				      NULL);
+	regulator_unlock(isink->regulator);
 
 	return IRQ_HANDLED;
 }
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/regulator/wm831x-ldo.c linux-libre-5.1.6-gnu/drivers/regulator/wm831x-ldo.c
--- linux-libre-5.1.5-gnu/drivers/regulator/wm831x-ldo.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/regulator/wm831x-ldo.c	2019-05-31 09:43:59.000000000 -0400
@@ -51,9 +51,11 @@ static irqreturn_t wm831x_ldo_uv_irq(int
 {
 	struct wm831x_ldo *ldo = data;
 
+	regulator_lock(ldo->regulator);
 	regulator_notifier_call_chain(ldo->regulator,
 				      REGULATOR_EVENT_UNDER_VOLTAGE,
 				      NULL);
+	regulator_unlock(ldo->regulator);
 
 	return IRQ_HANDLED;
 }
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/rtc/rtc-88pm860x.c linux-libre-5.1.6-gnu/drivers/rtc/rtc-88pm860x.c
--- linux-libre-5.1.5-gnu/drivers/rtc/rtc-88pm860x.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/rtc/rtc-88pm860x.c	2019-05-31 09:43:59.000000000 -0400
@@ -421,7 +421,7 @@ static int pm860x_rtc_remove(struct plat
 	struct pm860x_rtc_info *info = platform_get_drvdata(pdev);
 
 #ifdef VRTC_CALIBRATION
-	flush_scheduled_work();
+	cancel_delayed_work_sync(&info->calib_work);
 	/* disable measurement */
 	pm860x_set_bits(info->i2c, PM8607_MEAS_EN2, MEAS2_VRTC, 0);
 #endif	/* VRTC_CALIBRATION */
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/rtc/rtc-stm32.c linux-libre-5.1.6-gnu/drivers/rtc/rtc-stm32.c
--- linux-libre-5.1.5-gnu/drivers/rtc/rtc-stm32.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/rtc/rtc-stm32.c	2019-05-31 09:43:59.000000000 -0400
@@ -788,11 +788,14 @@ static int stm32_rtc_probe(struct platfo
 	ret = device_init_wakeup(&pdev->dev, true);
 	if (rtc->data->has_wakeirq) {
 		rtc->wakeirq_alarm = platform_get_irq(pdev, 1);
-		if (rtc->wakeirq_alarm <= 0)
-			ret = rtc->wakeirq_alarm;
-		else
+		if (rtc->wakeirq_alarm > 0) {
 			ret = dev_pm_set_dedicated_wake_irq(&pdev->dev,
 							    rtc->wakeirq_alarm);
+		} else {
+			ret = rtc->wakeirq_alarm;
+			if (rtc->wakeirq_alarm == -EPROBE_DEFER)
+				goto err;
+		}
 	}
 	if (ret)
 		dev_warn(&pdev->dev, "alarm can't wake up the system: %d", ret);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/rtc/rtc-xgene.c linux-libre-5.1.6-gnu/drivers/rtc/rtc-xgene.c
--- linux-libre-5.1.5-gnu/drivers/rtc/rtc-xgene.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/rtc/rtc-xgene.c	2019-05-31 09:43:59.000000000 -0400
@@ -168,6 +168,10 @@ static int xgene_rtc_probe(struct platfo
 	if (IS_ERR(pdata->csr_base))
 		return PTR_ERR(pdata->csr_base);
 
+	pdata->rtc = devm_rtc_allocate_device(&pdev->dev);
+	if (IS_ERR(pdata->rtc))
+		return PTR_ERR(pdata->rtc);
+
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0) {
 		dev_err(&pdev->dev, "No IRQ resource\n");
@@ -198,15 +202,15 @@ static int xgene_rtc_probe(struct platfo
 		return ret;
 	}
 
-	pdata->rtc = devm_rtc_device_register(&pdev->dev, pdev->name,
-					 &xgene_rtc_ops, THIS_MODULE);
-	if (IS_ERR(pdata->rtc)) {
-		clk_disable_unprepare(pdata->clk);
-		return PTR_ERR(pdata->rtc);
-	}
-
 	/* HW does not support update faster than 1 seconds */
 	pdata->rtc->uie_unsupported = 1;
+	pdata->rtc->ops = &xgene_rtc_ops;
+
+	ret = rtc_register_device(pdata->rtc);
+	if (ret) {
+		clk_disable_unprepare(pdata->clk);
+		return ret;
+	}
 
 	return 0;
 }
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/s390/block/dcssblk.c linux-libre-5.1.6-gnu/drivers/s390/block/dcssblk.c
--- linux-libre-5.1.5-gnu/drivers/s390/block/dcssblk.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/s390/block/dcssblk.c	2019-05-31 09:43:59.000000000 -0400
@@ -59,6 +59,7 @@ static size_t dcssblk_dax_copy_to_iter(s
 
 static const struct dax_operations dcssblk_dax_ops = {
 	.direct_access = dcssblk_dax_direct_access,
+	.dax_supported = generic_fsdax_supported,
 	.copy_from_iter = dcssblk_dax_copy_from_iter,
 	.copy_to_iter = dcssblk_dax_copy_to_iter,
 };
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/s390/cio/cio.h linux-libre-5.1.6-gnu/drivers/s390/cio/cio.h
--- linux-libre-5.1.5-gnu/drivers/s390/cio/cio.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/s390/cio/cio.h	2019-05-31 09:43:59.000000000 -0400
@@ -115,7 +115,7 @@ struct subchannel {
 	struct schib_config config;
 } __attribute__ ((aligned(8)));
 
-DECLARE_PER_CPU(struct irb, cio_irb);
+DECLARE_PER_CPU_ALIGNED(struct irb, cio_irb);
 
 #define to_subchannel(n) container_of(n, struct subchannel, dev)
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/s390/cio/vfio_ccw_drv.c linux-libre-5.1.6-gnu/drivers/s390/cio/vfio_ccw_drv.c
--- linux-libre-5.1.5-gnu/drivers/s390/cio/vfio_ccw_drv.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/s390/cio/vfio_ccw_drv.c	2019-05-31 09:43:59.000000000 -0400
@@ -40,26 +40,30 @@ int vfio_ccw_sch_quiesce(struct subchann
 	if (ret != -EBUSY)
 		goto out_unlock;
 
+	iretry = 255;
 	do {
-		iretry = 255;
 
 		ret = cio_cancel_halt_clear(sch, &iretry);
-		while (ret == -EBUSY) {
-			/*
-			 * Flush all I/O and wait for
-			 * cancel/halt/clear completion.
-			 */
-			private->completion = &completion;
-			spin_unlock_irq(sch->lock);
 
-			wait_for_completion_timeout(&completion, 3*HZ);
+		if (ret == -EIO) {
+			pr_err("vfio_ccw: could not quiesce subchannel 0.%x.%04x!\n",
+			       sch->schid.ssid, sch->schid.sch_no);
+			break;
+		}
 
-			spin_lock_irq(sch->lock);
-			private->completion = NULL;
-			flush_workqueue(vfio_ccw_work_q);
-			ret = cio_cancel_halt_clear(sch, &iretry);
-		};
+		/*
+		 * Flush all I/O and wait for
+		 * cancel/halt/clear completion.
+		 */
+		private->completion = &completion;
+		spin_unlock_irq(sch->lock);
+
+		if (ret == -EBUSY)
+			wait_for_completion_timeout(&completion, 3*HZ);
 
+		private->completion = NULL;
+		flush_workqueue(vfio_ccw_work_q);
+		spin_lock_irq(sch->lock);
 		ret = cio_disable_subchannel(sch);
 	} while (ret == -EBUSY);
 out_unlock:
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/s390/cio/vfio_ccw_ops.c linux-libre-5.1.6-gnu/drivers/s390/cio/vfio_ccw_ops.c
--- linux-libre-5.1.5-gnu/drivers/s390/cio/vfio_ccw_ops.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/s390/cio/vfio_ccw_ops.c	2019-05-31 09:43:59.000000000 -0400
@@ -130,11 +130,12 @@ static int vfio_ccw_mdev_remove(struct m
 
 	if ((private->state != VFIO_CCW_STATE_NOT_OPER) &&
 	    (private->state != VFIO_CCW_STATE_STANDBY)) {
-		if (!vfio_ccw_mdev_reset(mdev))
+		if (!vfio_ccw_sch_quiesce(private->sch))
 			private->state = VFIO_CCW_STATE_STANDBY;
 		/* The state will be NOT_OPER on error. */
 	}
 
+	cp_free(&private->cp);
 	private->mdev = NULL;
 	atomic_inc(&private->avail);
 
@@ -158,6 +159,14 @@ static void vfio_ccw_mdev_release(struct
 	struct vfio_ccw_private *private =
 		dev_get_drvdata(mdev_parent_dev(mdev));
 
+	if ((private->state != VFIO_CCW_STATE_NOT_OPER) &&
+	    (private->state != VFIO_CCW_STATE_STANDBY)) {
+		if (!vfio_ccw_mdev_reset(mdev))
+			private->state = VFIO_CCW_STATE_STANDBY;
+		/* The state will be NOT_OPER on error. */
+	}
+
+	cp_free(&private->cp);
 	vfio_unregister_notifier(mdev_dev(mdev), VFIO_IOMMU_NOTIFY,
 				 &private->nb);
 }
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/s390/crypto/zcrypt_api.c linux-libre-5.1.6-gnu/drivers/s390/crypto/zcrypt_api.c
--- linux-libre-5.1.5-gnu/drivers/s390/crypto/zcrypt_api.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/s390/crypto/zcrypt_api.c	2019-05-31 09:43:59.000000000 -0400
@@ -659,6 +659,7 @@ static long zcrypt_rsa_modexpo(struct ap
 	trace_s390_zcrypt_req(mex, TP_ICARSAMODEXPO);
 
 	if (mex->outputdatalength < mex->inputdatalength) {
+		func_code = 0;
 		rc = -EINVAL;
 		goto out;
 	}
@@ -742,6 +743,7 @@ static long zcrypt_rsa_crt(struct ap_per
 	trace_s390_zcrypt_req(crt, TP_ICARSACRT);
 
 	if (crt->outputdatalength < crt->inputdatalength) {
+		func_code = 0;
 		rc = -EINVAL;
 		goto out;
 	}
@@ -951,6 +953,7 @@ static long zcrypt_send_ep11_cprb(struct
 
 		targets = kcalloc(target_num, sizeof(*targets), GFP_KERNEL);
 		if (!targets) {
+			func_code = 0;
 			rc = -ENOMEM;
 			goto out;
 		}
@@ -958,6 +961,7 @@ static long zcrypt_send_ep11_cprb(struct
 		uptr = (struct ep11_target_dev __force __user *) xcrb->targets;
 		if (copy_from_user(targets, uptr,
 				   target_num * sizeof(*targets))) {
+			func_code = 0;
 			rc = -EFAULT;
 			goto out_free;
 		}
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/s390/net/qeth_core.h linux-libre-5.1.6-gnu/drivers/s390/net/qeth_core.h
--- linux-libre-5.1.5-gnu/drivers/s390/net/qeth_core.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/s390/net/qeth_core.h	2019-05-31 09:43:59.000000000 -0400
@@ -163,6 +163,12 @@ struct qeth_vnicc_info {
 	bool rx_bcast_enabled;
 };
 
+static inline int qeth_is_adp_supported(struct qeth_ipa_info *ipa,
+		enum qeth_ipa_setadp_cmd func)
+{
+	return (ipa->supported_funcs & func);
+}
+
 static inline int qeth_is_ipa_supported(struct qeth_ipa_info *ipa,
 		enum qeth_ipa_funcs func)
 {
@@ -176,9 +182,7 @@ static inline int qeth_is_ipa_enabled(st
 }
 
 #define qeth_adp_supported(c, f) \
-	qeth_is_ipa_supported(&c->options.adp, f)
-#define qeth_adp_enabled(c, f) \
-	qeth_is_ipa_enabled(&c->options.adp, f)
+	qeth_is_adp_supported(&c->options.adp, f)
 #define qeth_is_supported(c, f) \
 	qeth_is_ipa_supported(&c->options.ipa4, f)
 #define qeth_is_enabled(c, f) \
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/s390/net/qeth_core_main.c linux-libre-5.1.6-gnu/drivers/s390/net/qeth_core_main.c
--- linux-libre-5.1.5-gnu/drivers/s390/net/qeth_core_main.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/s390/net/qeth_core_main.c	2019-05-31 09:43:59.000000000 -0400
@@ -1308,7 +1308,7 @@ static void qeth_set_multiple_write_queu
 	card->qdio.no_out_queues = 4;
 }
 
-static void qeth_update_from_chp_desc(struct qeth_card *card)
+static int qeth_update_from_chp_desc(struct qeth_card *card)
 {
 	struct ccw_device *ccwdev;
 	struct channel_path_desc_fmt0 *chp_dsc;
@@ -1318,7 +1318,7 @@ static void qeth_update_from_chp_desc(st
 	ccwdev = card->data.ccwdev;
 	chp_dsc = ccw_device_get_chp_desc(ccwdev, 0);
 	if (!chp_dsc)
-		goto out;
+		return -ENOMEM;
 
 	card->info.func_level = 0x4100 + chp_dsc->desc;
 	if (card->info.type == QETH_CARD_TYPE_IQD)
@@ -1333,6 +1333,7 @@ out:
 	kfree(chp_dsc);
 	QETH_DBF_TEXT_(SETUP, 2, "nr:%x", card->qdio.no_out_queues);
 	QETH_DBF_TEXT_(SETUP, 2, "lvl:%02x", card->info.func_level);
+	return 0;
 }
 
 static void qeth_init_qdio_info(struct qeth_card *card)
@@ -4986,7 +4987,9 @@ int qeth_core_hardsetup_card(struct qeth
 
 	QETH_DBF_TEXT(SETUP, 2, "hrdsetup");
 	atomic_set(&card->force_alloc_skb, 0);
-	qeth_update_from_chp_desc(card);
+	rc = qeth_update_from_chp_desc(card);
+	if (rc)
+		return rc;
 retry:
 	if (retries < 3)
 		QETH_DBF_MESSAGE(2, "Retrying to do IDX activates on device %x.\n",
@@ -5641,7 +5644,9 @@ static int qeth_core_probe_device(struct
 	}
 
 	qeth_setup_card(card);
-	qeth_update_from_chp_desc(card);
+	rc = qeth_update_from_chp_desc(card);
+	if (rc)
+		goto err_chp_desc;
 
 	card->dev = qeth_alloc_netdev(card);
 	if (!card->dev) {
@@ -5676,6 +5681,7 @@ err_disc:
 	qeth_core_free_discipline(card);
 err_load:
 	free_netdev(card->dev);
+err_chp_desc:
 err_card:
 	qeth_core_free_card(card);
 err_dev:
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/scsi/libsas/sas_expander.c linux-libre-5.1.6-gnu/drivers/scsi/libsas/sas_expander.c
--- linux-libre-5.1.5-gnu/drivers/scsi/libsas/sas_expander.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/scsi/libsas/sas_expander.c	2019-05-31 09:43:59.000000000 -0400
@@ -2052,6 +2052,11 @@ static int sas_rediscover_dev(struct dom
 	if ((SAS_ADDR(sas_addr) == 0) || (res == -ECOMM)) {
 		phy->phy_state = PHY_EMPTY;
 		sas_unregister_devs_sas_addr(dev, phy_id, last);
+		/*
+		 * Even though the PHY is empty, for convenience we discover
+		 * the PHY to update the PHY info, like negotiated linkrate.
+		 */
+		sas_ex_phy_discover(dev, phy_id);
 		return res;
 	} else if (SAS_ADDR(sas_addr) == SAS_ADDR(phy->attached_sas_addr) &&
 		   dev_type_flutter(type, phy->attached_dev_type)) {
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/scsi/lpfc/lpfc_ct.c linux-libre-5.1.6-gnu/drivers/scsi/lpfc/lpfc_ct.c
--- linux-libre-5.1.5-gnu/drivers/scsi/lpfc/lpfc_ct.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/scsi/lpfc/lpfc_ct.c	2019-05-31 09:43:59.000000000 -0400
@@ -2005,8 +2005,11 @@ lpfc_fdmi_hba_attr_manufacturer(struct l
 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
 	memset(ae, 0, 256);
 
+	/* This string MUST be consistent with other FC platforms
+	 * supported by Broadcom.
+	 */
 	strncpy(ae->un.AttrString,
-		"Broadcom Inc.",
+		"Emulex Corporation",
 		       sizeof(ae->un.AttrString));
 	len = strnlen(ae->un.AttrString,
 			  sizeof(ae->un.AttrString));
@@ -2360,10 +2363,11 @@ lpfc_fdmi_port_attr_fc4type(struct lpfc_
 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
 	memset(ae, 0, 32);
 
-	ae->un.AttrTypes[3] = 0x02; /* Type 1 - ELS */
-	ae->un.AttrTypes[2] = 0x01; /* Type 8 - FCP */
-	ae->un.AttrTypes[6] = 0x01; /* Type 40 - NVME */
-	ae->un.AttrTypes[7] = 0x01; /* Type 32 - CT */
+	ae->un.AttrTypes[3] = 0x02; /* Type 0x1 - ELS */
+	ae->un.AttrTypes[2] = 0x01; /* Type 0x8 - FCP */
+	if (vport->nvmei_support || vport->phba->nvmet_support)
+		ae->un.AttrTypes[6] = 0x01; /* Type 0x28 - NVME */
+	ae->un.AttrTypes[7] = 0x01; /* Type 0x20 - CT */
 	size = FOURBYTES + 32;
 	ad->AttrLen = cpu_to_be16(size);
 	ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_FC4_TYPES);
@@ -2673,9 +2677,11 @@ lpfc_fdmi_port_attr_active_fc4type(struc
 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
 	memset(ae, 0, 32);
 
-	ae->un.AttrTypes[3] = 0x02; /* Type 1 - ELS */
-	ae->un.AttrTypes[2] = 0x01; /* Type 8 - FCP */
-	ae->un.AttrTypes[7] = 0x01; /* Type 32 - CT */
+	ae->un.AttrTypes[3] = 0x02; /* Type 0x1 - ELS */
+	ae->un.AttrTypes[2] = 0x01; /* Type 0x8 - FCP */
+	if (vport->phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)
+		ae->un.AttrTypes[6] = 0x1; /* Type 0x28 - NVME */
+	ae->un.AttrTypes[7] = 0x01; /* Type 0x20 - CT */
 	size = FOURBYTES + 32;
 	ad->AttrLen = cpu_to_be16(size);
 	ad->AttrType = cpu_to_be16(RPRT_ACTIVE_FC4_TYPES);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/scsi/lpfc/lpfc_hbadisc.c linux-libre-5.1.6-gnu/drivers/scsi/lpfc/lpfc_hbadisc.c
--- linux-libre-5.1.5-gnu/drivers/scsi/lpfc/lpfc_hbadisc.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/scsi/lpfc/lpfc_hbadisc.c	2019-05-31 09:43:59.000000000 -0400
@@ -932,7 +932,11 @@ lpfc_linkdown(struct lpfc_hba *phba)
 		}
 	}
 	lpfc_destroy_vport_work_array(phba, vports);
-	/* Clean up any firmware default rpi's */
+
+	/* Clean up any SLI3 firmware default rpi's */
+	if (phba->sli_rev > LPFC_SLI_REV3)
+		goto skip_unreg_did;
+
 	mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 	if (mb) {
 		lpfc_unreg_did(phba, 0xffff, LPFC_UNREG_ALL_DFLT_RPIS, mb);
@@ -944,6 +948,7 @@ lpfc_linkdown(struct lpfc_hba *phba)
 		}
 	}
 
+ skip_unreg_did:
 	/* Setup myDID for link up if we are in pt2pt mode */
 	if (phba->pport->fc_flag & FC_PT2PT) {
 		mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
@@ -4868,6 +4873,10 @@ lpfc_unreg_rpi(struct lpfc_vport *vport,
 					 * accept PLOGIs after unreg_rpi_cmpl
 					 */
 					acc_plogi = 0;
+				} else if (vport->load_flag & FC_UNLOADING) {
+					mbox->ctx_ndlp = NULL;
+					mbox->mbox_cmpl =
+						lpfc_sli_def_mbox_cmpl;
 				} else {
 					mbox->ctx_ndlp = ndlp;
 					mbox->mbox_cmpl =
@@ -4979,6 +4988,10 @@ lpfc_unreg_default_rpis(struct lpfc_vpor
 	LPFC_MBOXQ_t     *mbox;
 	int rc;
 
+	/* Unreg DID is an SLI3 operation. */
+	if (phba->sli_rev > LPFC_SLI_REV3)
+		return;
+
 	mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 	if (mbox) {
 		lpfc_unreg_did(phba, vport->vpi, LPFC_UNREG_ALL_DFLT_RPIS,
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/scsi/lpfc/lpfc_init.c linux-libre-5.1.6-gnu/drivers/scsi/lpfc/lpfc_init.c
--- linux-libre-5.1.5-gnu/drivers/scsi/lpfc/lpfc_init.c	2019-05-25 21:36:36.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/scsi/lpfc/lpfc_init.c	2019-05-31 15:28:28.000000000 -0400
@@ -3245,6 +3245,13 @@ void lpfc_destroy_multixri_pools(struct
 	if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)
 		lpfc_destroy_expedite_pool(phba);
 
+	if (!(phba->pport->load_flag & FC_UNLOADING)) {
+		lpfc_sli_flush_fcp_rings(phba);
+
+		if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)
+			lpfc_sli_flush_nvme_rings(phba);
+	}
+
 	hwq_count = phba->cfg_hdw_queue;
 
 	for (i = 0; i < hwq_count; i++) {
@@ -3611,8 +3618,6 @@ lpfc_io_free(struct lpfc_hba *phba)
 	struct lpfc_sli4_hdw_queue *qp;
 	int idx;
 
-	spin_lock_irq(&phba->hbalock);
-
 	for (idx = 0; idx < phba->cfg_hdw_queue; idx++) {
 		qp = &phba->sli4_hba.hdwq[idx];
 		/* Release all the lpfc_nvme_bufs maintained by this host. */
@@ -3642,8 +3647,6 @@ lpfc_io_free(struct lpfc_hba *phba)
 		}
 		spin_unlock(&qp->io_buf_list_get_lock);
 	}
-
-	spin_unlock_irq(&phba->hbalock);
 }
 
 /**
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/scsi/lpfc/lpfc_nvme.c linux-libre-5.1.6-gnu/drivers/scsi/lpfc/lpfc_nvme.c
--- linux-libre-5.1.5-gnu/drivers/scsi/lpfc/lpfc_nvme.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/scsi/lpfc/lpfc_nvme.c	2019-05-31 09:43:59.000000000 -0400
@@ -2080,15 +2080,15 @@ lpfc_nvme_create_localport(struct lpfc_v
 		lpfc_nvme_template.max_hw_queues =
 			phba->sli4_hba.num_present_cpu;
 
+	if (!IS_ENABLED(CONFIG_NVME_FC))
+		return ret;
+
 	/* localport is allocated from the stack, but the registration
 	 * call allocates heap memory as well as the private area.
 	 */
-#if (IS_ENABLED(CONFIG_NVME_FC))
+
 	ret = nvme_fc_register_localport(&nfcp_info, &lpfc_nvme_template,
 					 &vport->phba->pcidev->dev, &localport);
-#else
-	ret = -ENOMEM;
-#endif
 	if (!ret) {
 		lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME | LOG_NVME_DISC,
 				 "6005 Successfully registered local "
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/scsi/lpfc/lpfc_scsi.c linux-libre-5.1.6-gnu/drivers/scsi/lpfc/lpfc_scsi.c
--- linux-libre-5.1.5-gnu/drivers/scsi/lpfc/lpfc_scsi.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/scsi/lpfc/lpfc_scsi.c	2019-05-31 09:43:59.000000000 -0400
@@ -3670,7 +3670,7 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba
 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
 	if (phba->cpucheck_on & LPFC_CHECK_SCSI_IO) {
 		cpu = smp_processor_id();
-		if (cpu < LPFC_CHECK_CPU_CNT)
+		if (cpu < LPFC_CHECK_CPU_CNT && phba->sli4_hba.hdwq)
 			phba->sli4_hba.hdwq[idx].cpucheck_cmpl_io[cpu]++;
 	}
 #endif
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/scsi/lpfc/lpfc_sli.c linux-libre-5.1.6-gnu/drivers/scsi/lpfc/lpfc_sli.c
--- linux-libre-5.1.5-gnu/drivers/scsi/lpfc/lpfc_sli.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/scsi/lpfc/lpfc_sli.c	2019-05-31 09:43:59.000000000 -0400
@@ -2502,8 +2502,8 @@ lpfc_sli_def_mbox_cmpl(struct lpfc_hba *
 			} else {
 				ndlp->nlp_flag &= ~NLP_UNREG_INP;
 			}
+			pmb->ctx_ndlp = NULL;
 		}
-		pmb->ctx_ndlp = NULL;
 	}
 
 	/* Check security permission status on INIT_LINK mailbox command */
@@ -7652,12 +7652,6 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phb
 		phba->cfg_xri_rebalancing = 0;
 	}
 
-	/* Arm the CQs and then EQs on device */
-	lpfc_sli4_arm_cqeq_intr(phba);
-
-	/* Indicate device interrupt mode */
-	phba->sli4_hba.intr_enable = 1;
-
 	/* Allow asynchronous mailbox command to go through */
 	spin_lock_irq(&phba->hbalock);
 	phba->sli.sli_flag &= ~LPFC_SLI_ASYNC_MBX_BLK;
@@ -7726,6 +7720,12 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phb
 		phba->trunk_link.link3.state = LPFC_LINK_DOWN;
 	spin_unlock_irq(&phba->hbalock);
 
+	/* Arm the CQs and then EQs on device */
+	lpfc_sli4_arm_cqeq_intr(phba);
+
+	/* Indicate device interrupt mode */
+	phba->sli4_hba.intr_enable = 1;
+
 	if (!(phba->hba_flag & HBA_FCOE_MODE) &&
 	    (phba->hba_flag & LINK_DISABLED)) {
 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_SLI,
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/scsi/qedf/qedf_io.c linux-libre-5.1.6-gnu/drivers/scsi/qedf/qedf_io.c
--- linux-libre-5.1.5-gnu/drivers/scsi/qedf/qedf_io.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/scsi/qedf/qedf_io.c	2019-05-31 09:43:59.000000000 -0400
@@ -902,6 +902,7 @@ int qedf_post_io_req(struct qedf_rport *
 	if (!test_bit(QEDF_RPORT_SESSION_READY, &fcport->flags)) {
 		QEDF_ERR(&(qedf->dbg_ctx), "Session not offloaded yet.\n");
 		kref_put(&io_req->refcount, qedf_release_cmd);
+		return -EINVAL;
 	}
 
 	/* Obtain free SQE */
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/scsi/qedi/qedi_iscsi.c linux-libre-5.1.6-gnu/drivers/scsi/qedi/qedi_iscsi.c
--- linux-libre-5.1.5-gnu/drivers/scsi/qedi/qedi_iscsi.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/scsi/qedi/qedi_iscsi.c	2019-05-31 09:43:59.000000000 -0400
@@ -1000,6 +1000,9 @@ static void qedi_ep_disconnect(struct is
 	qedi_ep = ep->dd_data;
 	qedi = qedi_ep->qedi;
 
+	if (qedi_ep->state == EP_STATE_OFLDCONN_START)
+		goto ep_exit_recover;
+
 	flush_work(&qedi_ep->offload_work);
 
 	if (qedi_ep->conn) {
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/scsi/qla2xxx/qla_isr.c linux-libre-5.1.6-gnu/drivers/scsi/qla2xxx/qla_isr.c
--- linux-libre-5.1.5-gnu/drivers/scsi/qla2xxx/qla_isr.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/scsi/qla2xxx/qla_isr.c	2019-05-31 09:43:59.000000000 -0400
@@ -3475,7 +3475,7 @@ qla24xx_enable_msix(struct qla_hw_data *
 		ql_log(ql_log_fatal, vha, 0x00c8,
 		    "Failed to allocate memory for ha->msix_entries.\n");
 		ret = -ENOMEM;
-		goto msix_out;
+		goto free_irqs;
 	}
 	ha->flags.msix_enabled = 1;
 
@@ -3558,6 +3558,10 @@ msix_register_fail:
 
 msix_out:
 	return ret;
+
+free_irqs:
+	pci_free_irq_vectors(ha->pdev);
+	goto msix_out;
 }
 
 int
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/scsi/qla2xxx/qla_target.c linux-libre-5.1.6-gnu/drivers/scsi/qla2xxx/qla_target.c
--- linux-libre-5.1.5-gnu/drivers/scsi/qla2xxx/qla_target.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/scsi/qla2xxx/qla_target.c	2019-05-31 09:43:59.000000000 -0400
@@ -680,7 +680,6 @@ done:
 void qla24xx_do_nack_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
 {
 	fc_port_t *t;
-	unsigned long flags;
 
 	switch (e->u.nack.type) {
 	case SRB_NACK_PRLI:
@@ -693,10 +692,8 @@ void qla24xx_do_nack_work(struct scsi_ql
 		if (t) {
 			ql_log(ql_log_info, vha, 0xd034,
 			    "%s create sess success %p", __func__, t);
-			spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
 			/* create sess has an extra kref */
 			vha->hw->tgt.tgt_ops->put_sess(e->u.nack.fcport);
-			spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
 		}
 		break;
 	}
@@ -708,9 +705,6 @@ void qla24xx_delete_sess_fn(struct work_
 {
 	fc_port_t *fcport = container_of(work, struct fc_port, del_work);
 	struct qla_hw_data *ha = fcport->vha->hw;
-	unsigned long flags;
-
-	spin_lock_irqsave(&ha->tgt.sess_lock, flags);
 
 	if (fcport->se_sess) {
 		ha->tgt.tgt_ops->shutdown_sess(fcport);
@@ -718,7 +712,6 @@ void qla24xx_delete_sess_fn(struct work_
 	} else {
 		qlt_unreg_sess(fcport);
 	}
-	spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
 }
 
 /*
@@ -787,8 +780,9 @@ void qlt_fc_port_added(struct scsi_qla_h
 		    fcport->port_name, sess->loop_id);
 		sess->local = 0;
 	}
-	ha->tgt.tgt_ops->put_sess(sess);
 	spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
+
+	ha->tgt.tgt_ops->put_sess(sess);
 }
 
 /*
@@ -4242,9 +4236,7 @@ static void __qlt_do_work(struct qla_tgt
 	/*
 	 * Drop extra session reference from qla_tgt_handle_cmd_for_atio*(
 	 */
-	spin_lock_irqsave(&ha->tgt.sess_lock, flags);
 	ha->tgt.tgt_ops->put_sess(sess);
-	spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
 	return;
 
 out_term:
@@ -4261,9 +4253,7 @@ out_term:
 	target_free_tag(sess->se_sess, &cmd->se_cmd);
 	spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
 
-	spin_lock_irqsave(&ha->tgt.sess_lock, flags);
 	ha->tgt.tgt_ops->put_sess(sess);
-	spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
 }
 
 static void qlt_do_work(struct work_struct *work)
@@ -4472,9 +4462,7 @@ static int qlt_handle_cmd_for_atio(struc
 	if (!cmd) {
 		ql_dbg(ql_dbg_io, vha, 0x3062,
 		    "qla_target(%d): Allocation of cmd failed\n", vha->vp_idx);
-		spin_lock_irqsave(&ha->tgt.sess_lock, flags);
 		ha->tgt.tgt_ops->put_sess(sess);
-		spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
 		return -EBUSY;
 	}
 
@@ -6318,17 +6306,19 @@ static void qlt_abort_work(struct qla_tg
 	}
 
 	rc = __qlt_24xx_handle_abts(vha, &prm->abts, sess);
-	ha->tgt.tgt_ops->put_sess(sess);
 	spin_unlock_irqrestore(&ha->tgt.sess_lock, flags2);
 
+	ha->tgt.tgt_ops->put_sess(sess);
+
 	if (rc != 0)
 		goto out_term;
 	return;
 
 out_term2:
+	spin_unlock_irqrestore(&ha->tgt.sess_lock, flags2);
+
 	if (sess)
 		ha->tgt.tgt_ops->put_sess(sess);
-	spin_unlock_irqrestore(&ha->tgt.sess_lock, flags2);
 
 out_term:
 	spin_lock_irqsave(&ha->hardware_lock, flags);
@@ -6386,9 +6376,10 @@ static void qlt_tmr_work(struct qla_tgt
 	    scsilun_to_int((struct scsi_lun *)&a->u.isp24.fcp_cmnd.lun);
 
 	rc = qlt_issue_task_mgmt(sess, unpacked_lun, fn, iocb, 0);
-	ha->tgt.tgt_ops->put_sess(sess);
 	spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
 
+	ha->tgt.tgt_ops->put_sess(sess);
+
 	if (rc != 0)
 		goto out_term;
 	return;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/scsi/qla2xxx/tcm_qla2xxx.c linux-libre-5.1.6-gnu/drivers/scsi/qla2xxx/tcm_qla2xxx.c
--- linux-libre-5.1.5-gnu/drivers/scsi/qla2xxx/tcm_qla2xxx.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/scsi/qla2xxx/tcm_qla2xxx.c	2019-05-31 09:43:59.000000000 -0400
@@ -359,7 +359,6 @@ static void tcm_qla2xxx_put_sess(struct
 	if (!sess)
 		return;
 
-	assert_spin_locked(&sess->vha->hw->tgt.sess_lock);
 	kref_put(&sess->sess_kref, tcm_qla2xxx_release_session);
 }
 
@@ -374,8 +373,9 @@ static void tcm_qla2xxx_close_session(st
 
 	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
 	target_sess_cmd_list_set_waiting(se_sess);
-	tcm_qla2xxx_put_sess(sess);
 	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
+
+	tcm_qla2xxx_put_sess(sess);
 }
 
 static u32 tcm_qla2xxx_sess_get_index(struct se_session *se_sess)
@@ -399,6 +399,8 @@ static int tcm_qla2xxx_write_pending(str
 			cmd->se_cmd.transport_state,
 			cmd->se_cmd.t_state,
 			cmd->se_cmd.se_cmd_flags);
+		transport_generic_request_failure(&cmd->se_cmd,
+			TCM_CHECK_CONDITION_ABORT_CMD);
 		return 0;
 	}
 	cmd->trc_flags |= TRC_XFR_RDY;
@@ -829,7 +831,6 @@ static void tcm_qla2xxx_clear_nacl_from_
 
 static void tcm_qla2xxx_shutdown_sess(struct fc_port *sess)
 {
-	assert_spin_locked(&sess->vha->hw->tgt.sess_lock);
 	target_sess_cmd_list_set_waiting(sess->se_sess);
 }
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/scsi/qla4xxx/ql4_os.c linux-libre-5.1.6-gnu/drivers/scsi/qla4xxx/ql4_os.c
--- linux-libre-5.1.5-gnu/drivers/scsi/qla4xxx/ql4_os.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/scsi/qla4xxx/ql4_os.c	2019-05-31 09:43:59.000000000 -0400
@@ -5930,7 +5930,7 @@ static int get_fw_boot_info(struct scsi_
 		val = rd_nvram_byte(ha, sec_addr);
 		if (val & BIT_7)
 			ddb_index[1] = (val & 0x7f);
-
+		goto exit_boot_info;
 	} else if (is_qla80XX(ha)) {
 		buf = dma_alloc_coherent(&ha->pdev->dev, size,
 					 &buf_dma, GFP_KERNEL);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/scsi/sd.c linux-libre-5.1.6-gnu/drivers/scsi/sd.c
--- linux-libre-5.1.5-gnu/drivers/scsi/sd.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/scsi/sd.c	2019-05-31 09:43:59.000000000 -0400
@@ -2603,7 +2603,6 @@ sd_read_write_protect_flag(struct scsi_d
 	int res;
 	struct scsi_device *sdp = sdkp->device;
 	struct scsi_mode_data data;
-	int disk_ro = get_disk_ro(sdkp->disk);
 	int old_wp = sdkp->write_prot;
 
 	set_disk_ro(sdkp->disk, 0);
@@ -2644,7 +2643,7 @@ sd_read_write_protect_flag(struct scsi_d
 			  "Test WP failed, assume Write Enabled\n");
 	} else {
 		sdkp->write_prot = ((data.device_specific & 0x80) != 0);
-		set_disk_ro(sdkp->disk, sdkp->write_prot || disk_ro);
+		set_disk_ro(sdkp->disk, sdkp->write_prot);
 		if (sdkp->first_scan || old_wp != sdkp->write_prot) {
 			sd_printk(KERN_NOTICE, sdkp, "Write Protect is %s\n",
 				  sdkp->write_prot ? "on" : "off");
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/scsi/ufs/ufshcd.c linux-libre-5.1.6-gnu/drivers/scsi/ufs/ufshcd.c
--- linux-libre-5.1.5-gnu/drivers/scsi/ufs/ufshcd.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/scsi/ufs/ufshcd.c	2019-05-31 09:43:59.000000000 -0400
@@ -6294,19 +6294,19 @@ static u32 ufshcd_find_max_sup_active_ic
 		goto out;
 	}
 
-	if (hba->vreg_info.vcc)
+	if (hba->vreg_info.vcc && hba->vreg_info.vcc->max_uA)
 		icc_level = ufshcd_get_max_icc_level(
 				hba->vreg_info.vcc->max_uA,
 				POWER_DESC_MAX_ACTV_ICC_LVLS - 1,
 				&desc_buf[PWR_DESC_ACTIVE_LVLS_VCC_0]);
 
-	if (hba->vreg_info.vccq)
+	if (hba->vreg_info.vccq && hba->vreg_info.vccq->max_uA)
 		icc_level = ufshcd_get_max_icc_level(
 				hba->vreg_info.vccq->max_uA,
 				icc_level,
 				&desc_buf[PWR_DESC_ACTIVE_LVLS_VCCQ_0]);
 
-	if (hba->vreg_info.vccq2)
+	if (hba->vreg_info.vccq2 && hba->vreg_info.vccq2->max_uA)
 		icc_level = ufshcd_get_max_icc_level(
 				hba->vreg_info.vccq2->max_uA,
 				icc_level,
@@ -7004,6 +7004,15 @@ static int ufshcd_config_vreg_load(struc
 	if (!vreg)
 		return 0;
 
+	/*
+	 * "set_load" operation shall be required on those regulators
+	 * which specifically configured current limitation. Otherwise
+	 * zero max_uA may cause unexpected behavior when regulator is
+	 * enabled or set as high power mode.
+	 */
+	if (!vreg->max_uA)
+		return 0;
+
 	ret = regulator_set_load(vreg->reg, ua);
 	if (ret < 0) {
 		dev_err(dev, "%s: %s set load (ua=%d) failed, err=%d\n",
@@ -7039,12 +7048,15 @@ static int ufshcd_config_vreg(struct dev
 	name = vreg->name;
 
 	if (regulator_count_voltages(reg) > 0) {
-		min_uV = on ? vreg->min_uV : 0;
-		ret = regulator_set_voltage(reg, min_uV, vreg->max_uV);
-		if (ret) {
-			dev_err(dev, "%s: %s set voltage failed, err=%d\n",
+		if (vreg->min_uV && vreg->max_uV) {
+			min_uV = on ? vreg->min_uV : 0;
+			ret = regulator_set_voltage(reg, min_uV, vreg->max_uV);
+			if (ret) {
+				dev_err(dev,
+					"%s: %s set voltage failed, err=%d\n",
 					__func__, name, ret);
-			goto out;
+				goto out;
+			}
 		}
 
 		uA_load = on ? vreg->max_uA : 0;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/scsi/ufs/ufs-hisi.c linux-libre-5.1.6-gnu/drivers/scsi/ufs/ufs-hisi.c
--- linux-libre-5.1.5-gnu/drivers/scsi/ufs/ufs-hisi.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/scsi/ufs/ufs-hisi.c	2019-05-31 09:43:59.000000000 -0400
@@ -587,6 +587,10 @@ static int ufs_hisi_init_common(struct u
 	ufshcd_set_variant(hba, host);
 
 	host->rst  = devm_reset_control_get(dev, "rst");
+	if (IS_ERR(host->rst)) {
+		dev_err(dev, "%s: failed to get reset control\n", __func__);
+		return PTR_ERR(host->rst);
+	}
 
 	ufs_hisi_set_pm_lvl(hba);
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/slimbus/qcom-ngd-ctrl.c linux-libre-5.1.6-gnu/drivers/slimbus/qcom-ngd-ctrl.c
--- linux-libre-5.1.5-gnu/drivers/slimbus/qcom-ngd-ctrl.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/slimbus/qcom-ngd-ctrl.c	2019-05-31 09:43:59.000000000 -0400
@@ -1342,6 +1342,10 @@ static int of_qcom_slim_ngd_register(str
 			return -ENOMEM;
 
 		ngd->pdev = platform_device_alloc(QCOM_SLIM_NGD_DRV_NAME, id);
+		if (!ngd->pdev) {
+			kfree(ngd);
+			return -ENOMEM;
+		}
 		ngd->id = id;
 		ngd->pdev->dev.parent = parent;
 		ngd->pdev->driver_override = QCOM_SLIM_NGD_DRV_NAME;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/spi/atmel-quadspi.c linux-libre-5.1.6-gnu/drivers/spi/atmel-quadspi.c
--- linux-libre-5.1.5-gnu/drivers/spi/atmel-quadspi.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/spi/atmel-quadspi.c	2019-05-31 09:43:59.000000000 -0400
@@ -570,7 +570,8 @@ static int atmel_qspi_remove(struct plat
 
 static int __maybe_unused atmel_qspi_suspend(struct device *dev)
 {
-	struct atmel_qspi *aq = dev_get_drvdata(dev);
+	struct spi_controller *ctrl = dev_get_drvdata(dev);
+	struct atmel_qspi *aq = spi_controller_get_devdata(ctrl);
 
 	clk_disable_unprepare(aq->qspick);
 	clk_disable_unprepare(aq->pclk);
@@ -580,7 +581,8 @@ static int __maybe_unused atmel_qspi_sus
 
 static int __maybe_unused atmel_qspi_resume(struct device *dev)
 {
-	struct atmel_qspi *aq = dev_get_drvdata(dev);
+	struct spi_controller *ctrl = dev_get_drvdata(dev);
+	struct atmel_qspi *aq = spi_controller_get_devdata(ctrl);
 
 	clk_prepare_enable(aq->pclk);
 	clk_prepare_enable(aq->qspick);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/spi/spi.c linux-libre-5.1.6-gnu/drivers/spi/spi.c
--- linux-libre-5.1.5-gnu/drivers/spi/spi.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/spi/spi.c	2019-05-31 09:43:59.000000000 -0400
@@ -36,6 +36,8 @@
 
 #define CREATE_TRACE_POINTS
 #include <trace/events/spi.h>
+EXPORT_TRACEPOINT_SYMBOL(spi_transfer_start);
+EXPORT_TRACEPOINT_SYMBOL(spi_transfer_stop);
 
 #include "internals.h"
 
@@ -1039,6 +1041,8 @@ static int spi_map_msg(struct spi_contro
 		if (max_tx || max_rx) {
 			list_for_each_entry(xfer, &msg->transfers,
 					    transfer_list) {
+				if (!xfer->len)
+					continue;
 				if (!xfer->tx_buf)
 					xfer->tx_buf = ctlr->dummy_tx;
 				if (!xfer->rx_buf)
@@ -2195,6 +2199,8 @@ static int spi_get_gpio_descs(struct spi
 		 */
 		cs[i] = devm_gpiod_get_index_optional(dev, "cs", i,
 						      GPIOD_OUT_LOW);
+		if (IS_ERR(cs[i]))
+			return PTR_ERR(cs[i]);
 
 		if (cs[i]) {
 			/*
@@ -2275,24 +2281,6 @@ int spi_register_controller(struct spi_c
 	if (status)
 		return status;
 
-	if (!spi_controller_is_slave(ctlr)) {
-		if (ctlr->use_gpio_descriptors) {
-			status = spi_get_gpio_descs(ctlr);
-			if (status)
-				return status;
-			/*
-			 * A controller using GPIO descriptors always
-			 * supports SPI_CS_HIGH if need be.
-			 */
-			ctlr->mode_bits |= SPI_CS_HIGH;
-		} else {
-			/* Legacy code path for GPIOs from DT */
-			status = of_spi_register_master(ctlr);
-			if (status)
-				return status;
-		}
-	}
-
 	/* even if it's just one always-selected device, there must
 	 * be at least one chipselect
 	 */
@@ -2349,6 +2337,25 @@ int spi_register_controller(struct spi_c
 	 * registration fails if the bus ID is in use.
 	 */
 	dev_set_name(&ctlr->dev, "spi%u", ctlr->bus_num);
+
+	if (!spi_controller_is_slave(ctlr)) {
+		if (ctlr->use_gpio_descriptors) {
+			status = spi_get_gpio_descs(ctlr);
+			if (status)
+				return status;
+			/*
+			 * A controller using GPIO descriptors always
+			 * supports SPI_CS_HIGH if need be.
+			 */
+			ctlr->mode_bits |= SPI_CS_HIGH;
+		} else {
+			/* Legacy code path for GPIOs from DT */
+			status = of_spi_register_master(ctlr);
+			if (status)
+				return status;
+		}
+	}
+
 	status = device_add(&ctlr->dev);
 	if (status < 0) {
 		/* free bus id */
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/spi/spi-imx.c linux-libre-5.1.6-gnu/drivers/spi/spi-imx.c
--- linux-libre-5.1.5-gnu/drivers/spi/spi-imx.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/spi/spi-imx.c	2019-05-31 09:43:59.000000000 -0400
@@ -1494,7 +1494,7 @@ static int spi_imx_transfer(struct spi_d
 
 	/* flush rxfifo before transfer */
 	while (spi_imx->devtype_data->rx_available(spi_imx))
-		spi_imx->rx(spi_imx);
+		readl(spi_imx->base + MXC_CSPIRXDATA);
 
 	if (spi_imx->slave_mode)
 		return spi_imx_pio_transfer_slave(spi, transfer);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/spi/spi-pxa2xx.c linux-libre-5.1.6-gnu/drivers/spi/spi-pxa2xx.c
--- linux-libre-5.1.5-gnu/drivers/spi/spi-pxa2xx.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/spi/spi-pxa2xx.c	2019-05-31 09:43:59.000000000 -0400
@@ -884,10 +884,14 @@ static unsigned int ssp_get_clk_div(stru
 
 	rate = min_t(int, ssp_clk, rate);
 
+	/*
+	 * Calculate the divisor for the SCR (Serial Clock Rate), avoiding
+	 * that the SSP transmission rate can be greater than the device rate
+	 */
 	if (ssp->type == PXA25x_SSP || ssp->type == CE4100_SSP)
-		return (ssp_clk / (2 * rate) - 1) & 0xff;
+		return (DIV_ROUND_UP(ssp_clk, 2 * rate) - 1) & 0xff;
 	else
-		return (ssp_clk / rate - 1) & 0xfff;
+		return (DIV_ROUND_UP(ssp_clk, rate) - 1)  & 0xfff;
 }
 
 static unsigned int pxa2xx_ssp_get_clk_div(struct driver_data *drv_data,
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/spi/spi-rspi.c linux-libre-5.1.6-gnu/drivers/spi/spi-rspi.c
--- linux-libre-5.1.5-gnu/drivers/spi/spi-rspi.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/spi/spi-rspi.c	2019-05-31 09:43:59.000000000 -0400
@@ -271,7 +271,8 @@ static int rspi_set_config_register(stru
 	/* Sets parity, interrupt mask */
 	rspi_write8(rspi, 0x00, RSPI_SPCR2);
 
-	/* Sets SPCMD */
+	/* Resets sequencer */
+	rspi_write8(rspi, 0, RSPI_SPSCR);
 	rspi->spcmd |= SPCMD_SPB_8_TO_16(access_size);
 	rspi_write16(rspi, rspi->spcmd, RSPI_SPCMD0);
 
@@ -315,7 +316,8 @@ static int rspi_rz_set_config_register(s
 	rspi_write8(rspi, 0x00, RSPI_SSLND);
 	rspi_write8(rspi, 0x00, RSPI_SPND);
 
-	/* Sets SPCMD */
+	/* Resets sequencer */
+	rspi_write8(rspi, 0, RSPI_SPSCR);
 	rspi->spcmd |= SPCMD_SPB_8_TO_16(access_size);
 	rspi_write16(rspi, rspi->spcmd, RSPI_SPCMD0);
 
@@ -366,7 +368,8 @@ static int qspi_set_config_register(stru
 	/* Sets buffer to allow normal operation */
 	rspi_write8(rspi, 0x00, QSPI_SPBFCR);
 
-	/* Sets SPCMD */
+	/* Resets sequencer */
+	rspi_write8(rspi, 0, RSPI_SPSCR);
 	rspi_write16(rspi, rspi->spcmd, RSPI_SPCMD0);
 
 	/* Sets RSPI mode */
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/spi/spi-stm32-qspi.c linux-libre-5.1.6-gnu/drivers/spi/spi-stm32-qspi.c
--- linux-libre-5.1.5-gnu/drivers/spi/spi-stm32-qspi.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/spi/spi-stm32-qspi.c	2019-05-31 09:43:59.000000000 -0400
@@ -93,6 +93,7 @@ struct stm32_qspi_flash {
 
 struct stm32_qspi {
 	struct device *dev;
+	struct spi_controller *ctrl;
 	void __iomem *io_base;
 	void __iomem *mm_base;
 	resource_size_t mm_size;
@@ -397,6 +398,7 @@ static void stm32_qspi_release(struct st
 	writel_relaxed(0, qspi->io_base + QSPI_CR);
 	mutex_destroy(&qspi->lock);
 	clk_disable_unprepare(qspi->clk);
+	spi_master_put(qspi->ctrl);
 }
 
 static int stm32_qspi_probe(struct platform_device *pdev)
@@ -413,43 +415,54 @@ static int stm32_qspi_probe(struct platf
 		return -ENOMEM;
 
 	qspi = spi_controller_get_devdata(ctrl);
+	qspi->ctrl = ctrl;
 
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "qspi");
 	qspi->io_base = devm_ioremap_resource(dev, res);
-	if (IS_ERR(qspi->io_base))
-		return PTR_ERR(qspi->io_base);
+	if (IS_ERR(qspi->io_base)) {
+		ret = PTR_ERR(qspi->io_base);
+		goto err;
+	}
 
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "qspi_mm");
 	qspi->mm_base = devm_ioremap_resource(dev, res);
-	if (IS_ERR(qspi->mm_base))
-		return PTR_ERR(qspi->mm_base);
+	if (IS_ERR(qspi->mm_base)) {
+		ret = PTR_ERR(qspi->mm_base);
+		goto err;
+	}
 
 	qspi->mm_size = resource_size(res);
-	if (qspi->mm_size > STM32_QSPI_MAX_MMAP_SZ)
-		return -EINVAL;
+	if (qspi->mm_size > STM32_QSPI_MAX_MMAP_SZ) {
+		ret = -EINVAL;
+		goto err;
+	}
 
 	irq = platform_get_irq(pdev, 0);
 	ret = devm_request_irq(dev, irq, stm32_qspi_irq, 0,
 			       dev_name(dev), qspi);
 	if (ret) {
 		dev_err(dev, "failed to request irq\n");
-		return ret;
+		goto err;
 	}
 
 	init_completion(&qspi->data_completion);
 
 	qspi->clk = devm_clk_get(dev, NULL);
-	if (IS_ERR(qspi->clk))
-		return PTR_ERR(qspi->clk);
+	if (IS_ERR(qspi->clk)) {
+		ret = PTR_ERR(qspi->clk);
+		goto err;
+	}
 
 	qspi->clk_rate = clk_get_rate(qspi->clk);
-	if (!qspi->clk_rate)
-		return -EINVAL;
+	if (!qspi->clk_rate) {
+		ret = -EINVAL;
+		goto err;
+	}
 
 	ret = clk_prepare_enable(qspi->clk);
 	if (ret) {
 		dev_err(dev, "can not enable the clock\n");
-		return ret;
+		goto err;
 	}
 
 	rstc = devm_reset_control_get_exclusive(dev, NULL);
@@ -472,14 +485,11 @@ static int stm32_qspi_probe(struct platf
 	ctrl->dev.of_node = dev->of_node;
 
 	ret = devm_spi_register_master(dev, ctrl);
-	if (ret)
-		goto err_spi_register;
-
-	return 0;
+	if (!ret)
+		return 0;
 
-err_spi_register:
+err:
 	stm32_qspi_release(qspi);
-
 	return ret;
 }
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/spi/spi-tegra114.c linux-libre-5.1.6-gnu/drivers/spi/spi-tegra114.c
--- linux-libre-5.1.5-gnu/drivers/spi/spi-tegra114.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/spi/spi-tegra114.c	2019-05-31 09:43:59.000000000 -0400
@@ -1067,27 +1067,19 @@ static int tegra_spi_probe(struct platfo
 
 	spi_irq = platform_get_irq(pdev, 0);
 	tspi->irq = spi_irq;
-	ret = request_threaded_irq(tspi->irq, tegra_spi_isr,
-			tegra_spi_isr_thread, IRQF_ONESHOT,
-			dev_name(&pdev->dev), tspi);
-	if (ret < 0) {
-		dev_err(&pdev->dev, "Failed to register ISR for IRQ %d\n",
-					tspi->irq);
-		goto exit_free_master;
-	}
 
 	tspi->clk = devm_clk_get(&pdev->dev, "spi");
 	if (IS_ERR(tspi->clk)) {
 		dev_err(&pdev->dev, "can not get clock\n");
 		ret = PTR_ERR(tspi->clk);
-		goto exit_free_irq;
+		goto exit_free_master;
 	}
 
 	tspi->rst = devm_reset_control_get_exclusive(&pdev->dev, "spi");
 	if (IS_ERR(tspi->rst)) {
 		dev_err(&pdev->dev, "can not get reset\n");
 		ret = PTR_ERR(tspi->rst);
-		goto exit_free_irq;
+		goto exit_free_master;
 	}
 
 	tspi->max_buf_size = SPI_FIFO_DEPTH << 2;
@@ -1095,7 +1087,7 @@ static int tegra_spi_probe(struct platfo
 
 	ret = tegra_spi_init_dma_param(tspi, true);
 	if (ret < 0)
-		goto exit_free_irq;
+		goto exit_free_master;
 	ret = tegra_spi_init_dma_param(tspi, false);
 	if (ret < 0)
 		goto exit_rx_dma_free;
@@ -1117,18 +1109,32 @@ static int tegra_spi_probe(struct platfo
 		dev_err(&pdev->dev, "pm runtime get failed, e = %d\n", ret);
 		goto exit_pm_disable;
 	}
+
+	reset_control_assert(tspi->rst);
+	udelay(2);
+	reset_control_deassert(tspi->rst);
 	tspi->def_command1_reg  = SPI_M_S;
 	tegra_spi_writel(tspi, tspi->def_command1_reg, SPI_COMMAND1);
 	pm_runtime_put(&pdev->dev);
+	ret = request_threaded_irq(tspi->irq, tegra_spi_isr,
+				   tegra_spi_isr_thread, IRQF_ONESHOT,
+				   dev_name(&pdev->dev), tspi);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "Failed to register ISR for IRQ %d\n",
+			tspi->irq);
+		goto exit_pm_disable;
+	}
 
 	master->dev.of_node = pdev->dev.of_node;
 	ret = devm_spi_register_master(&pdev->dev, master);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "can not register to master err %d\n", ret);
-		goto exit_pm_disable;
+		goto exit_free_irq;
 	}
 	return ret;
 
+exit_free_irq:
+	free_irq(spi_irq, tspi);
 exit_pm_disable:
 	pm_runtime_disable(&pdev->dev);
 	if (!pm_runtime_status_suspended(&pdev->dev))
@@ -1136,8 +1142,6 @@ exit_pm_disable:
 	tegra_spi_deinit_dma_param(tspi, false);
 exit_rx_dma_free:
 	tegra_spi_deinit_dma_param(tspi, true);
-exit_free_irq:
-	free_irq(spi_irq, tspi);
 exit_free_master:
 	spi_master_put(master);
 	return ret;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/spi/spi-topcliff-pch.c linux-libre-5.1.6-gnu/drivers/spi/spi-topcliff-pch.c
--- linux-libre-5.1.5-gnu/drivers/spi/spi-topcliff-pch.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/spi/spi-topcliff-pch.c	2019-05-31 09:43:59.000000000 -0400
@@ -1299,18 +1299,27 @@ static void pch_free_dma_buf(struct pch_
 				  dma->rx_buf_virt, dma->rx_buf_dma);
 }
 
-static void pch_alloc_dma_buf(struct pch_spi_board_data *board_dat,
+static int pch_alloc_dma_buf(struct pch_spi_board_data *board_dat,
 			      struct pch_spi_data *data)
 {
 	struct pch_spi_dma_ctrl *dma;
+	int ret;
 
 	dma = &data->dma;
+	ret = 0;
 	/* Get Consistent memory for Tx DMA */
 	dma->tx_buf_virt = dma_alloc_coherent(&board_dat->pdev->dev,
 				PCH_BUF_SIZE, &dma->tx_buf_dma, GFP_KERNEL);
+	if (!dma->tx_buf_virt)
+		ret = -ENOMEM;
+
 	/* Get Consistent memory for Rx DMA */
 	dma->rx_buf_virt = dma_alloc_coherent(&board_dat->pdev->dev,
 				PCH_BUF_SIZE, &dma->rx_buf_dma, GFP_KERNEL);
+	if (!dma->rx_buf_virt)
+		ret = -ENOMEM;
+
+	return ret;
 }
 
 static int pch_spi_pd_probe(struct platform_device *plat_dev)
@@ -1387,7 +1396,9 @@ static int pch_spi_pd_probe(struct platf
 
 	if (use_dma) {
 		dev_info(&plat_dev->dev, "Use DMA for data transfers\n");
-		pch_alloc_dma_buf(board_dat, data);
+		ret = pch_alloc_dma_buf(board_dat, data);
+		if (ret)
+			goto err_spi_register_master;
 	}
 
 	ret = spi_register_master(master);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/ssb/bridge_pcmcia_80211.c linux-libre-5.1.6-gnu/drivers/ssb/bridge_pcmcia_80211.c
--- linux-libre-5.1.5-gnu/drivers/ssb/bridge_pcmcia_80211.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/ssb/bridge_pcmcia_80211.c	2019-05-31 09:43:59.000000000 -0400
@@ -113,16 +113,21 @@ static struct pcmcia_driver ssb_host_pcm
 	.resume		= ssb_host_pcmcia_resume,
 };
 
+static int pcmcia_init_failed;
+
 /*
  * These are not module init/exit functions!
  * The module_pcmcia_driver() helper cannot be used here.
  */
 int ssb_host_pcmcia_init(void)
 {
-	return pcmcia_register_driver(&ssb_host_pcmcia_driver);
+	pcmcia_init_failed = pcmcia_register_driver(&ssb_host_pcmcia_driver);
+
+	return pcmcia_init_failed;
 }
 
 void ssb_host_pcmcia_exit(void)
 {
-	pcmcia_unregister_driver(&ssb_host_pcmcia_driver);
+	if (!pcmcia_init_failed)
+		pcmcia_unregister_driver(&ssb_host_pcmcia_driver);
 }
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/staging/media/davinci_vpfe/Kconfig linux-libre-5.1.6-gnu/drivers/staging/media/davinci_vpfe/Kconfig
--- linux-libre-5.1.5-gnu/drivers/staging/media/davinci_vpfe/Kconfig	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/staging/media/davinci_vpfe/Kconfig	2019-05-31 09:43:59.000000000 -0400
@@ -1,7 +1,7 @@
 config VIDEO_DM365_VPFE
 	tristate "DM365 VPFE Media Controller Capture Driver"
 	depends on VIDEO_V4L2
-	depends on (ARCH_DAVINCI_DM365 && !VIDEO_DM365_ISIF) || COMPILE_TEST
+	depends on (ARCH_DAVINCI_DM365 && !VIDEO_DM365_ISIF) || (COMPILE_TEST && !ARCH_OMAP1)
 	depends on VIDEO_V4L2_SUBDEV_API
 	depends on VIDEO_DAVINCI_VPBE_DISPLAY
 	select VIDEOBUF2_DMA_CONTIG
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/staging/media/imx/imx-media-vdic.c linux-libre-5.1.6-gnu/drivers/staging/media/imx/imx-media-vdic.c
--- linux-libre-5.1.5-gnu/drivers/staging/media/imx/imx-media-vdic.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/staging/media/imx/imx-media-vdic.c	2019-05-31 09:43:59.000000000 -0400
@@ -231,6 +231,12 @@ static void __maybe_unused prepare_vdi_i
 		curr_phys = vb2_dma_contig_plane_dma_addr(curr_vb, 0);
 		next_phys = vb2_dma_contig_plane_dma_addr(curr_vb, 0) + is;
 		break;
+	default:
+		/*
+		 * can't get here, priv->fieldtype can only be one of
+		 * the above. This is to quiet smatch errors.
+		 */
+		return;
 	}
 
 	ipu_cpmem_set_buffer(priv->vdi_in_ch_p, 0, prev_phys);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/staging/media/ipu3/ipu3.c linux-libre-5.1.6-gnu/drivers/staging/media/ipu3/ipu3.c
--- linux-libre-5.1.5-gnu/drivers/staging/media/ipu3/ipu3.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/staging/media/ipu3/ipu3.c	2019-05-31 09:43:59.000000000 -0400
@@ -791,7 +791,7 @@ out:
  * PCI rpm framework checks the existence of driver rpm callbacks.
  * Place a dummy callback here to avoid rpm going into error state.
  */
-static int imgu_rpm_dummy_cb(struct device *dev)
+static __maybe_unused int imgu_rpm_dummy_cb(struct device *dev)
 {
 	return 0;
 }
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/staging/media/sunxi/cedrus/cedrus.h linux-libre-5.1.6-gnu/drivers/staging/media/sunxi/cedrus/cedrus.h
--- linux-libre-5.1.5-gnu/drivers/staging/media/sunxi/cedrus/cedrus.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/staging/media/sunxi/cedrus/cedrus.h	2019-05-31 09:43:59.000000000 -0400
@@ -28,6 +28,8 @@
 
 #define CEDRUS_CAPABILITY_UNTILED	BIT(0)
 
+#define CEDRUS_QUIRK_NO_DMA_OFFSET	BIT(0)
+
 enum cedrus_codec {
 	CEDRUS_CODEC_MPEG2,
 
@@ -91,6 +93,7 @@ struct cedrus_dec_ops {
 
 struct cedrus_variant {
 	unsigned int	capabilities;
+	unsigned int	quirks;
 };
 
 struct cedrus_dev {
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/staging/media/sunxi/cedrus/cedrus_hw.c linux-libre-5.1.6-gnu/drivers/staging/media/sunxi/cedrus/cedrus_hw.c
--- linux-libre-5.1.5-gnu/drivers/staging/media/sunxi/cedrus/cedrus_hw.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/staging/media/sunxi/cedrus/cedrus_hw.c	2019-05-31 09:43:59.000000000 -0400
@@ -177,7 +177,8 @@ int cedrus_hw_probe(struct cedrus_dev *d
 	 */
 
 #ifdef PHYS_PFN_OFFSET
-	dev->dev->dma_pfn_offset = PHYS_PFN_OFFSET;
+	if (!(variant->quirks & CEDRUS_QUIRK_NO_DMA_OFFSET))
+		dev->dev->dma_pfn_offset = PHYS_PFN_OFFSET;
 #endif
 
 	ret = of_reserved_mem_device_init(dev->dev);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/staging/mt7621-mmc/sd.c linux-libre-5.1.6-gnu/drivers/staging/mt7621-mmc/sd.c
--- linux-libre-5.1.5-gnu/drivers/staging/mt7621-mmc/sd.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/staging/mt7621-mmc/sd.c	2019-05-31 09:43:59.000000000 -0400
@@ -468,7 +468,11 @@ static unsigned int msdc_command_start(s
 	host->cmd     = cmd;
 	host->cmd_rsp = resp;
 
-	init_completion(&host->cmd_done);
+	// The completion should have been consumed by the previous command
+	// response handler, because the mmc requests should be serialized
+	if (completion_done(&host->cmd_done))
+		dev_err(mmc_dev(host->mmc),
+			"previous command was not handled\n");
 
 	sdr_set_bits(host->base + MSDC_INTEN, wints);
 	sdc_send_cmd(rawcmd, cmd->arg);
@@ -490,7 +494,6 @@ static unsigned int msdc_command_resp(st
 		    MSDC_INT_ACMD19_DONE;
 
 	BUG_ON(in_interrupt());
-	//init_completion(&host->cmd_done);
 	//sdr_set_bits(host->base + MSDC_INTEN, wints);
 
 	spin_unlock(&host->lock);
@@ -593,8 +596,6 @@ static void msdc_dma_setup(struct msdc_h
 	struct bd *bd;
 	u32 j;
 
-	BUG_ON(sglen > MAX_BD_NUM); /* not support currently */
-
 	gpd = dma->gpd;
 	bd  = dma->bd;
 
@@ -674,7 +675,13 @@ static int msdc_do_request(struct mmc_ho
 		//msdc_clr_fifo(host);  /* no need */
 
 		msdc_dma_on();  /* enable DMA mode first!! */
-		init_completion(&host->xfer_done);
+
+		// The completion should have been consumed by the previous
+		// xfer response handler, because the mmc requests should be
+		// serialized
+		if (completion_done(&host->cmd_done))
+			dev_err(mmc_dev(host->mmc),
+				"previous transfer was not handled\n");
 
 		/* start the command first*/
 		if (msdc_command_start(host, cmd, CMD_TIMEOUT) != 0)
@@ -683,6 +690,13 @@ static int msdc_do_request(struct mmc_ho
 		data->sg_count = dma_map_sg(mmc_dev(mmc), data->sg,
 					    data->sg_len,
 					    mmc_get_dma_dir(data));
+
+		if (data->sg_count == 0) {
+			dev_err(mmc_dev(host->mmc), "failed to map DMA for transfer\n");
+			data->error = -ENOMEM;
+			goto done;
+		}
+
 		msdc_dma_setup(host, &host->dma, data->sg,
 			       data->sg_count);
 
@@ -693,7 +707,6 @@ static int msdc_do_request(struct mmc_ho
 		/* for read, the data coming too fast, then CRC error
 		 *  start DMA no business with CRC.
 		 */
-		//init_completion(&host->xfer_done);
 		msdc_dma_start(host);
 
 		spin_unlock(&host->lock);
@@ -1688,6 +1701,8 @@ static int msdc_drv_probe(struct platfor
 	}
 	msdc_init_gpd_bd(host, &host->dma);
 
+	init_completion(&host->cmd_done);
+	init_completion(&host->xfer_done);
 	INIT_DELAYED_WORK(&host->card_delaywork, msdc_tasklet_card);
 	spin_lock_init(&host->lock);
 	msdc_init_hw(host);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c linux-libre-5.1.6-gnu/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c
--- linux-libre-5.1.5-gnu/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c	2019-05-31 09:43:59.000000000 -0400
@@ -209,6 +209,9 @@ vchiq_platform_init_state(struct vchiq_s
 	struct vchiq_2835_state *platform_state;
 
 	state->platform_state = kzalloc(sizeof(*platform_state), GFP_KERNEL);
+	if (!state->platform_state)
+		return VCHIQ_ERROR;
+
 	platform_state = (struct vchiq_2835_state *)state->platform_state;
 
 	platform_state->inited = 1;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c linux-libre-5.1.6-gnu/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c
--- linux-libre-5.1.5-gnu/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c	2019-05-31 09:43:59.000000000 -0400
@@ -2239,6 +2239,8 @@ vchiq_init_state(struct vchiq_state *sta
 	local->debug[DEBUG_ENTRIES] = DEBUG_MAX;
 
 	status = vchiq_platform_init_state(state);
+	if (status != VCHIQ_SUCCESS)
+		return VCHIQ_ERROR;
 
 	/*
 		bring up slot handler thread
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/thunderbolt/icm.c linux-libre-5.1.6-gnu/drivers/thunderbolt/icm.c
--- linux-libre-5.1.5-gnu/drivers/thunderbolt/icm.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/thunderbolt/icm.c	2019-05-31 09:43:59.000000000 -0400
@@ -473,6 +473,11 @@ static void add_switch(struct tb_switch
 		goto out;
 
 	sw->uuid = kmemdup(uuid, sizeof(*uuid), GFP_KERNEL);
+	if (!sw->uuid) {
+		tb_sw_warn(sw, "cannot allocate memory for switch\n");
+		tb_switch_put(sw);
+		goto out;
+	}
 	sw->connection_id = connection_id;
 	sw->connection_key = connection_key;
 	sw->link = link;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/thunderbolt/property.c linux-libre-5.1.6-gnu/drivers/thunderbolt/property.c
--- linux-libre-5.1.5-gnu/drivers/thunderbolt/property.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/thunderbolt/property.c	2019-05-31 09:43:59.000000000 -0400
@@ -548,6 +548,11 @@ int tb_property_add_data(struct tb_prope
 
 	property->length = size / 4;
 	property->value.data = kzalloc(size, GFP_KERNEL);
+	if (!property->value.data) {
+		kfree(property);
+		return -ENOMEM;
+	}
+
 	memcpy(property->value.data, buf, buflen);
 
 	list_add_tail(&property->list, &parent->properties);
@@ -578,7 +583,12 @@ int tb_property_add_text(struct tb_prope
 		return -ENOMEM;
 
 	property->length = size / 4;
-	property->value.data = kzalloc(size, GFP_KERNEL);
+	property->value.text = kzalloc(size, GFP_KERNEL);
+	if (!property->value.text) {
+		kfree(property);
+		return -ENOMEM;
+	}
+
 	strcpy(property->value.text, text);
 
 	list_add_tail(&property->list, &parent->properties);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/thunderbolt/switch.c linux-libre-5.1.6-gnu/drivers/thunderbolt/switch.c
--- linux-libre-5.1.5-gnu/drivers/thunderbolt/switch.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/thunderbolt/switch.c	2019-05-31 09:43:59.000000000 -0400
@@ -10,15 +10,13 @@
 #include <linux/idr.h>
 #include <linux/nvmem-provider.h>
 #include <linux/pm_runtime.h>
+#include <linux/sched/signal.h>
 #include <linux/sizes.h>
 #include <linux/slab.h>
 #include <linux/vmalloc.h>
 
 #include "tb.h"
 
-/* Switch authorization from userspace is serialized by this lock */
-static DEFINE_MUTEX(switch_lock);
-
 /* Switch NVM support */
 
 #define NVM_DEVID		0x05
@@ -254,8 +252,8 @@ static int tb_switch_nvm_write(void *pri
 	struct tb_switch *sw = priv;
 	int ret = 0;
 
-	if (mutex_lock_interruptible(&switch_lock))
-		return -ERESTARTSYS;
+	if (!mutex_trylock(&sw->tb->lock))
+		return restart_syscall();
 
 	/*
 	 * Since writing the NVM image might require some special steps,
@@ -275,7 +273,7 @@ static int tb_switch_nvm_write(void *pri
 	memcpy(sw->nvm->buf + offset, val, bytes);
 
 unlock:
-	mutex_unlock(&switch_lock);
+	mutex_unlock(&sw->tb->lock);
 
 	return ret;
 }
@@ -364,10 +362,7 @@ static int tb_switch_nvm_add(struct tb_s
 	}
 	nvm->non_active = nvm_dev;
 
-	mutex_lock(&switch_lock);
 	sw->nvm = nvm;
-	mutex_unlock(&switch_lock);
-
 	return 0;
 
 err_nvm_active:
@@ -384,10 +379,8 @@ static void tb_switch_nvm_remove(struct
 {
 	struct tb_switch_nvm *nvm;
 
-	mutex_lock(&switch_lock);
 	nvm = sw->nvm;
 	sw->nvm = NULL;
-	mutex_unlock(&switch_lock);
 
 	if (!nvm)
 		return;
@@ -716,8 +709,8 @@ static int tb_switch_set_authorized(stru
 {
 	int ret = -EINVAL;
 
-	if (mutex_lock_interruptible(&switch_lock))
-		return -ERESTARTSYS;
+	if (!mutex_trylock(&sw->tb->lock))
+		return restart_syscall();
 
 	if (sw->authorized)
 		goto unlock;
@@ -760,7 +753,7 @@ static int tb_switch_set_authorized(stru
 	}
 
 unlock:
-	mutex_unlock(&switch_lock);
+	mutex_unlock(&sw->tb->lock);
 	return ret;
 }
 
@@ -817,15 +810,15 @@ static ssize_t key_show(struct device *d
 	struct tb_switch *sw = tb_to_switch(dev);
 	ssize_t ret;
 
-	if (mutex_lock_interruptible(&switch_lock))
-		return -ERESTARTSYS;
+	if (!mutex_trylock(&sw->tb->lock))
+		return restart_syscall();
 
 	if (sw->key)
 		ret = sprintf(buf, "%*phN\n", TB_SWITCH_KEY_SIZE, sw->key);
 	else
 		ret = sprintf(buf, "\n");
 
-	mutex_unlock(&switch_lock);
+	mutex_unlock(&sw->tb->lock);
 	return ret;
 }
 
@@ -842,8 +835,8 @@ static ssize_t key_store(struct device *
 	else if (hex2bin(key, buf, sizeof(key)))
 		return -EINVAL;
 
-	if (mutex_lock_interruptible(&switch_lock))
-		return -ERESTARTSYS;
+	if (!mutex_trylock(&sw->tb->lock))
+		return restart_syscall();
 
 	if (sw->authorized) {
 		ret = -EBUSY;
@@ -858,7 +851,7 @@ static ssize_t key_store(struct device *
 		}
 	}
 
-	mutex_unlock(&switch_lock);
+	mutex_unlock(&sw->tb->lock);
 	return ret;
 }
 static DEVICE_ATTR(key, 0600, key_show, key_store);
@@ -904,8 +897,8 @@ static ssize_t nvm_authenticate_store(st
 	bool val;
 	int ret;
 
-	if (mutex_lock_interruptible(&switch_lock))
-		return -ERESTARTSYS;
+	if (!mutex_trylock(&sw->tb->lock))
+		return restart_syscall();
 
 	/* If NVMem devices are not yet added */
 	if (!sw->nvm) {
@@ -953,7 +946,7 @@ static ssize_t nvm_authenticate_store(st
 	}
 
 exit_unlock:
-	mutex_unlock(&switch_lock);
+	mutex_unlock(&sw->tb->lock);
 
 	if (ret)
 		return ret;
@@ -967,8 +960,8 @@ static ssize_t nvm_version_show(struct d
 	struct tb_switch *sw = tb_to_switch(dev);
 	int ret;
 
-	if (mutex_lock_interruptible(&switch_lock))
-		return -ERESTARTSYS;
+	if (!mutex_trylock(&sw->tb->lock))
+		return restart_syscall();
 
 	if (sw->safe_mode)
 		ret = -ENODATA;
@@ -977,7 +970,7 @@ static ssize_t nvm_version_show(struct d
 	else
 		ret = sprintf(buf, "%x.%x\n", sw->nvm->major, sw->nvm->minor);
 
-	mutex_unlock(&switch_lock);
+	mutex_unlock(&sw->tb->lock);
 
 	return ret;
 }
@@ -1294,13 +1287,14 @@ int tb_switch_configure(struct tb_switch
 	return tb_plug_events_active(sw, true);
 }
 
-static void tb_switch_set_uuid(struct tb_switch *sw)
+static int tb_switch_set_uuid(struct tb_switch *sw)
 {
 	u32 uuid[4];
-	int cap;
+	int cap, ret;
 
+	ret = 0;
 	if (sw->uuid)
-		return;
+		return ret;
 
 	/*
 	 * The newer controllers include fused UUID as part of link
@@ -1308,7 +1302,9 @@ static void tb_switch_set_uuid(struct tb
 	 */
 	cap = tb_switch_find_vse_cap(sw, TB_VSE_CAP_LINK_CONTROLLER);
 	if (cap > 0) {
-		tb_sw_read(sw, uuid, TB_CFG_SWITCH, cap + 3, 4);
+		ret = tb_sw_read(sw, uuid, TB_CFG_SWITCH, cap + 3, 4);
+		if (ret)
+			return ret;
 	} else {
 		/*
 		 * ICM generates UUID based on UID and fills the upper
@@ -1323,6 +1319,9 @@ static void tb_switch_set_uuid(struct tb
 	}
 
 	sw->uuid = kmemdup(uuid, sizeof(uuid), GFP_KERNEL);
+	if (!sw->uuid)
+		ret = -ENOMEM;
+	return ret;
 }
 
 static int tb_switch_add_dma_port(struct tb_switch *sw)
@@ -1372,7 +1371,9 @@ static int tb_switch_add_dma_port(struct
 
 	if (status) {
 		tb_sw_info(sw, "switch flash authentication failed\n");
-		tb_switch_set_uuid(sw);
+		ret = tb_switch_set_uuid(sw);
+		if (ret)
+			return ret;
 		nvm_set_auth_status(sw, status);
 	}
 
@@ -1422,7 +1423,9 @@ int tb_switch_add(struct tb_switch *sw)
 		}
 		tb_sw_dbg(sw, "uid: %#llx\n", sw->uid);
 
-		tb_switch_set_uuid(sw);
+		ret = tb_switch_set_uuid(sw);
+		if (ret)
+			return ret;
 
 		for (i = 0; i <= sw->config.max_port_number; i++) {
 			if (sw->ports[i].disabled) {
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/thunderbolt/tb.h linux-libre-5.1.6-gnu/drivers/thunderbolt/tb.h
--- linux-libre-5.1.5-gnu/drivers/thunderbolt/tb.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/thunderbolt/tb.h	2019-05-31 09:43:59.000000000 -0400
@@ -80,8 +80,7 @@ struct tb_switch_nvm {
  * @depth: Depth in the chain this switch is connected (ICM only)
  *
  * When the switch is being added or removed to the domain (other
- * switches) you need to have domain lock held. For switch authorization
- * internal switch_lock is enough.
+ * switches) you need to have domain lock held.
  */
 struct tb_switch {
 	struct device dev;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/thunderbolt/xdomain.c linux-libre-5.1.6-gnu/drivers/thunderbolt/xdomain.c
--- linux-libre-5.1.5-gnu/drivers/thunderbolt/xdomain.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/thunderbolt/xdomain.c	2019-05-31 09:43:59.000000000 -0400
@@ -740,6 +740,7 @@ static void enumerate_services(struct tb
 	struct tb_service *svc;
 	struct tb_property *p;
 	struct device *dev;
+	int id;
 
 	/*
 	 * First remove all services that are not available anymore in
@@ -768,7 +769,12 @@ static void enumerate_services(struct tb
 			break;
 		}
 
-		svc->id = ida_simple_get(&xd->service_ids, 0, 0, GFP_KERNEL);
+		id = ida_simple_get(&xd->service_ids, 0, 0, GFP_KERNEL);
+		if (id < 0) {
+			kfree(svc);
+			break;
+		}
+		svc->id = id;
 		svc->dev.bus = &tb_bus_type;
 		svc->dev.type = &tb_service_type;
 		svc->dev.parent = &xd->dev;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/tty/ipwireless/main.c linux-libre-5.1.6-gnu/drivers/tty/ipwireless/main.c
--- linux-libre-5.1.5-gnu/drivers/tty/ipwireless/main.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/tty/ipwireless/main.c	2019-05-31 09:43:59.000000000 -0400
@@ -114,6 +114,10 @@ static int ipwireless_probe(struct pcmci
 
 	ipw->common_memory = ioremap(p_dev->resource[2]->start,
 				resource_size(p_dev->resource[2]));
+	if (!ipw->common_memory) {
+		ret = -ENOMEM;
+		goto exit1;
+	}
 	if (!request_mem_region(p_dev->resource[2]->start,
 				resource_size(p_dev->resource[2]),
 				IPWIRELESS_PCCARD_NAME)) {
@@ -134,6 +138,10 @@ static int ipwireless_probe(struct pcmci
 
 	ipw->attr_memory = ioremap(p_dev->resource[3]->start,
 				resource_size(p_dev->resource[3]));
+	if (!ipw->attr_memory) {
+		ret = -ENOMEM;
+		goto exit3;
+	}
 	if (!request_mem_region(p_dev->resource[3]->start,
 				resource_size(p_dev->resource[3]),
 				IPWIRELESS_PCCARD_NAME)) {
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/usb/core/hcd.c linux-libre-5.1.6-gnu/drivers/usb/core/hcd.c
--- linux-libre-5.1.5-gnu/drivers/usb/core/hcd.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/usb/core/hcd.c	2019-05-31 09:43:59.000000000 -0400
@@ -3020,6 +3020,9 @@ usb_hcd_platform_shutdown(struct platfor
 {
 	struct usb_hcd *hcd = platform_get_drvdata(dev);
 
+	/* No need for pm_runtime_put(), we're shutting down */
+	pm_runtime_get_sync(&dev->dev);
+
 	if (hcd->driver->shutdown)
 		hcd->driver->shutdown(hcd);
 }
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/usb/core/hub.c linux-libre-5.1.6-gnu/drivers/usb/core/hub.c
--- linux-libre-5.1.5-gnu/drivers/usb/core/hub.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/usb/core/hub.c	2019-05-31 09:43:59.000000000 -0400
@@ -5902,7 +5902,10 @@ int usb_reset_device(struct usb_device *
 					cintf->needs_binding = 1;
 			}
 		}
-		usb_unbind_and_rebind_marked_interfaces(udev);
+
+		/* If the reset failed, hub_wq will unbind drivers later */
+		if (ret == 0)
+			usb_unbind_and_rebind_marked_interfaces(udev);
 	}
 
 	usb_autosuspend_device(udev);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/usb/dwc2/gadget.c linux-libre-5.1.6-gnu/drivers/usb/dwc2/gadget.c
--- linux-libre-5.1.5-gnu/drivers/usb/dwc2/gadget.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/usb/dwc2/gadget.c	2019-05-31 09:43:59.000000000 -0400
@@ -714,13 +714,11 @@ static unsigned int dwc2_gadget_get_chai
 	unsigned int maxsize;
 
 	if (is_isoc)
-		maxsize = hs_ep->dir_in ? DEV_DMA_ISOC_TX_NBYTES_LIMIT :
-					   DEV_DMA_ISOC_RX_NBYTES_LIMIT;
+		maxsize = (hs_ep->dir_in ? DEV_DMA_ISOC_TX_NBYTES_LIMIT :
+					   DEV_DMA_ISOC_RX_NBYTES_LIMIT) *
+					   MAX_DMA_DESC_NUM_HS_ISOC;
 	else
-		maxsize = DEV_DMA_NBYTES_LIMIT;
-
-	/* Above size of one descriptor was chosen, multiple it */
-	maxsize *= MAX_DMA_DESC_NUM_GENERIC;
+		maxsize = DEV_DMA_NBYTES_LIMIT * MAX_DMA_DESC_NUM_GENERIC;
 
 	return maxsize;
 }
@@ -932,7 +930,7 @@ static int dwc2_gadget_fill_isoc_desc(st
 
 	/* Update index of last configured entry in the chain */
 	hs_ep->next_desc++;
-	if (hs_ep->next_desc >= MAX_DMA_DESC_NUM_GENERIC)
+	if (hs_ep->next_desc >= MAX_DMA_DESC_NUM_HS_ISOC)
 		hs_ep->next_desc = 0;
 
 	return 0;
@@ -964,7 +962,7 @@ static void dwc2_gadget_start_isoc_ddma(
 	}
 
 	/* Initialize descriptor chain by Host Busy status */
-	for (i = 0; i < MAX_DMA_DESC_NUM_GENERIC; i++) {
+	for (i = 0; i < MAX_DMA_DESC_NUM_HS_ISOC; i++) {
 		desc = &hs_ep->desc_list[i];
 		desc->status = 0;
 		desc->status |= (DEV_DMA_BUFF_STS_HBUSY
@@ -2162,7 +2160,7 @@ static void dwc2_gadget_complete_isoc_re
 		dwc2_hsotg_complete_request(hsotg, hs_ep, hs_req, 0);
 
 		hs_ep->compl_desc++;
-		if (hs_ep->compl_desc > (MAX_DMA_DESC_NUM_GENERIC - 1))
+		if (hs_ep->compl_desc > (MAX_DMA_DESC_NUM_HS_ISOC - 1))
 			hs_ep->compl_desc = 0;
 		desc_sts = hs_ep->desc_list[hs_ep->compl_desc].status;
 	}
@@ -3899,6 +3897,7 @@ static int dwc2_hsotg_ep_enable(struct u
 	unsigned int i, val, size;
 	int ret = 0;
 	unsigned char ep_type;
+	int desc_num;
 
 	dev_dbg(hsotg->dev,
 		"%s: ep %s: a 0x%02x, attr 0x%02x, mps 0x%04x, intr %d\n",
@@ -3945,11 +3944,15 @@ static int dwc2_hsotg_ep_enable(struct u
 	dev_dbg(hsotg->dev, "%s: read DxEPCTL=0x%08x from 0x%08x\n",
 		__func__, epctrl, epctrl_reg);
 
+	if (using_desc_dma(hsotg) && ep_type == USB_ENDPOINT_XFER_ISOC)
+		desc_num = MAX_DMA_DESC_NUM_HS_ISOC;
+	else
+		desc_num = MAX_DMA_DESC_NUM_GENERIC;
+
 	/* Allocate DMA descriptor chain for non-ctrl endpoints */
 	if (using_desc_dma(hsotg) && !hs_ep->desc_list) {
 		hs_ep->desc_list = dmam_alloc_coherent(hsotg->dev,
-			MAX_DMA_DESC_NUM_GENERIC *
-			sizeof(struct dwc2_dma_desc),
+			desc_num * sizeof(struct dwc2_dma_desc),
 			&hs_ep->desc_list_dma, GFP_ATOMIC);
 		if (!hs_ep->desc_list) {
 			ret = -ENOMEM;
@@ -4092,7 +4095,7 @@ error1:
 
 error2:
 	if (ret && using_desc_dma(hsotg) && hs_ep->desc_list) {
-		dmam_free_coherent(hsotg->dev, MAX_DMA_DESC_NUM_GENERIC *
+		dmam_free_coherent(hsotg->dev, desc_num *
 			sizeof(struct dwc2_dma_desc),
 			hs_ep->desc_list, hs_ep->desc_list_dma);
 		hs_ep->desc_list = NULL;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/usb/dwc3/core.c linux-libre-5.1.6-gnu/drivers/usb/dwc3/core.c
--- linux-libre-5.1.5-gnu/drivers/usb/dwc3/core.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/usb/dwc3/core.c	2019-05-31 09:43:59.000000000 -0400
@@ -1600,6 +1600,7 @@ static int dwc3_suspend_common(struct dw
 		spin_lock_irqsave(&dwc->lock, flags);
 		dwc3_gadget_suspend(dwc);
 		spin_unlock_irqrestore(&dwc->lock, flags);
+		synchronize_irq(dwc->irq_gadget);
 		dwc3_core_exit(dwc);
 		break;
 	case DWC3_GCTL_PRTCAP_HOST:
@@ -1632,6 +1633,7 @@ static int dwc3_suspend_common(struct dw
 			spin_lock_irqsave(&dwc->lock, flags);
 			dwc3_gadget_suspend(dwc);
 			spin_unlock_irqrestore(&dwc->lock, flags);
+			synchronize_irq(dwc->irq_gadget);
 		}
 
 		dwc3_otg_exit(dwc);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/usb/dwc3/gadget.c linux-libre-5.1.6-gnu/drivers/usb/dwc3/gadget.c
--- linux-libre-5.1.5-gnu/drivers/usb/dwc3/gadget.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/usb/dwc3/gadget.c	2019-05-31 09:43:59.000000000 -0400
@@ -3384,8 +3384,6 @@ int dwc3_gadget_suspend(struct dwc3 *dwc
 	dwc3_disconnect_gadget(dwc);
 	__dwc3_gadget_stop(dwc);
 
-	synchronize_irq(dwc->irq_gadget);
-
 	return 0;
 }
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/usb/gadget/function/f_fs.c linux-libre-5.1.6-gnu/drivers/usb/gadget/function/f_fs.c
--- linux-libre-5.1.5-gnu/drivers/usb/gadget/function/f_fs.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/usb/gadget/function/f_fs.c	2019-05-31 09:43:59.000000000 -0400
@@ -1133,7 +1133,8 @@ error_lock:
 error_mutex:
 	mutex_unlock(&epfile->mutex);
 error:
-	ffs_free_buffer(io_data);
+	if (ret != -EIOCBQUEUED) /* don't free if there is iocb queued */
+		ffs_free_buffer(io_data);
 	return ret;
 }
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/video/fbdev/core/fbcmap.c linux-libre-5.1.6-gnu/drivers/video/fbdev/core/fbcmap.c
--- linux-libre-5.1.5-gnu/drivers/video/fbdev/core/fbcmap.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/video/fbdev/core/fbcmap.c	2019-05-31 09:43:59.000000000 -0400
@@ -94,6 +94,8 @@ int fb_alloc_cmap_gfp(struct fb_cmap *cm
 	int size = len * sizeof(u16);
 	int ret = -ENOMEM;
 
+	flags |= __GFP_NOWARN;
+
 	if (cmap->len != len) {
 		fb_dealloc_cmap(cmap);
 		if (!len)
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/video/fbdev/core/modedb.c linux-libre-5.1.6-gnu/drivers/video/fbdev/core/modedb.c
--- linux-libre-5.1.5-gnu/drivers/video/fbdev/core/modedb.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/video/fbdev/core/modedb.c	2019-05-31 09:43:59.000000000 -0400
@@ -935,6 +935,9 @@ void fb_var_to_videomode(struct fb_video
 	if (var->vmode & FB_VMODE_DOUBLE)
 		vtotal *= 2;
 
+	if (!htotal || !vtotal)
+		return;
+
 	hfreq = pixclock/htotal;
 	mode->refresh = hfreq/vtotal;
 }
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/video/fbdev/efifb.c linux-libre-5.1.6-gnu/drivers/video/fbdev/efifb.c
--- linux-libre-5.1.5-gnu/drivers/video/fbdev/efifb.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/video/fbdev/efifb.c	2019-05-31 09:43:59.000000000 -0400
@@ -464,7 +464,8 @@ static int efifb_probe(struct platform_d
 	info->apertures->ranges[0].base = efifb_fix.smem_start;
 	info->apertures->ranges[0].size = size_remap;
 
-	if (!efi_mem_desc_lookup(efifb_fix.smem_start, &md)) {
+	if (efi_enabled(EFI_BOOT) &&
+	    !efi_mem_desc_lookup(efifb_fix.smem_start, &md)) {
 		if ((efifb_fix.smem_start + efifb_fix.smem_len) >
 		    (md.phys_addr + (md.num_pages << EFI_PAGE_SHIFT))) {
 			pr_err("efifb: video memory @ 0x%lx spans multiple EFI memory regions\n",
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/w1/w1_io.c linux-libre-5.1.6-gnu/drivers/w1/w1_io.c
--- linux-libre-5.1.5-gnu/drivers/w1/w1_io.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/w1/w1_io.c	2019-05-31 09:43:59.000000000 -0400
@@ -432,8 +432,7 @@ int w1_reset_resume_command(struct w1_ma
 	if (w1_reset_bus(dev))
 		return -1;
 
-	/* This will make only the last matched slave perform a skip ROM. */
-	w1_write_8(dev, W1_RESUME_CMD);
+	w1_write_8(dev, dev->slave_count > 1 ? W1_RESUME_CMD : W1_SKIP_ROM);
 	return 0;
 }
 EXPORT_SYMBOL_GPL(w1_reset_resume_command);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/drivers/xen/biomerge.c linux-libre-5.1.6-gnu/drivers/xen/biomerge.c
--- linux-libre-5.1.5-gnu/drivers/xen/biomerge.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/drivers/xen/biomerge.c	2019-05-31 09:43:59.000000000 -0400
@@ -4,12 +4,13 @@
 #include <xen/xen.h>
 #include <xen/page.h>
 
+/* check if @page can be merged with 'vec1' */
 bool xen_biovec_phys_mergeable(const struct bio_vec *vec1,
-			       const struct bio_vec *vec2)
+			       const struct page *page)
 {
 #if XEN_PAGE_SIZE == PAGE_SIZE
 	unsigned long bfn1 = pfn_to_bfn(page_to_pfn(vec1->bv_page));
-	unsigned long bfn2 = pfn_to_bfn(page_to_pfn(vec2->bv_page));
+	unsigned long bfn2 = pfn_to_bfn(page_to_pfn(page));
 
 	return bfn1 + PFN_DOWN(vec1->bv_offset + vec1->bv_len) == bfn2;
 #else
diff -druNp --no-dereference linux-libre-5.1.5-gnu/fs/afs/xattr.c linux-libre-5.1.6-gnu/fs/afs/xattr.c
--- linux-libre-5.1.5-gnu/fs/afs/xattr.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/fs/afs/xattr.c	2019-05-31 09:43:59.000000000 -0400
@@ -69,11 +69,20 @@ static int afs_xattr_get_fid(const struc
 			     void *buffer, size_t size)
 {
 	struct afs_vnode *vnode = AFS_FS_I(inode);
-	char text[8 + 1 + 8 + 1 + 8 + 1];
+	char text[16 + 1 + 24 + 1 + 8 + 1];
 	size_t len;
 
-	len = sprintf(text, "%llx:%llx:%x",
-		      vnode->fid.vid, vnode->fid.vnode, vnode->fid.unique);
+	/* The volume ID is 64-bit, the vnode ID is 96-bit and the
+	 * uniquifier is 32-bit.
+	 */
+	len = sprintf(text, "%llx:", vnode->fid.vid);
+	if (vnode->fid.vnode_hi)
+		len += sprintf(text + len, "%x%016llx",
+			       vnode->fid.vnode_hi, vnode->fid.vnode);
+	else
+		len += sprintf(text + len, "%llx", vnode->fid.vnode);
+	len += sprintf(text + len, ":%x", vnode->fid.unique);
+
 	if (size == 0)
 		return len;
 	if (len > size)
diff -druNp --no-dereference linux-libre-5.1.5-gnu/fs/btrfs/compression.c linux-libre-5.1.6-gnu/fs/btrfs/compression.c
--- linux-libre-5.1.5-gnu/fs/btrfs/compression.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/fs/btrfs/compression.c	2019-05-31 09:43:59.000000000 -0400
@@ -1009,6 +1009,7 @@ int btrfs_compress_pages(unsigned int ty
 	struct list_head *workspace;
 	int ret;
 
+	level = btrfs_compress_op[type]->set_level(level);
 	workspace = get_workspace(type, level);
 	ret = btrfs_compress_op[type]->compress_pages(workspace, mapping,
 						      start, pages,
diff -druNp --no-dereference linux-libre-5.1.5-gnu/fs/btrfs/extent-tree.c linux-libre-5.1.6-gnu/fs/btrfs/extent-tree.c
--- linux-libre-5.1.5-gnu/fs/btrfs/extent-tree.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/fs/btrfs/extent-tree.c	2019-05-31 09:43:59.000000000 -0400
@@ -3981,8 +3981,7 @@ static int create_space_info(struct btrf
 				    info->space_info_kobj, "%s",
 				    alloc_name(space_info->flags));
 	if (ret) {
-		percpu_counter_destroy(&space_info->total_bytes_pinned);
-		kfree(space_info);
+		kobject_put(&space_info->kobj);
 		return ret;
 	}
 
@@ -11315,9 +11314,9 @@ int btrfs_error_unpin_extent_range(struc
  * held back allocations.
  */
 static int btrfs_trim_free_extents(struct btrfs_device *device,
-				   struct fstrim_range *range, u64 *trimmed)
+				   u64 minlen, u64 *trimmed)
 {
-	u64 start = range->start, len = 0;
+	u64 start = 0, len = 0;
 	int ret;
 
 	*trimmed = 0;
@@ -11360,8 +11359,8 @@ static int btrfs_trim_free_extents(struc
 		if (!trans)
 			up_read(&fs_info->commit_root_sem);
 
-		ret = find_free_dev_extent_start(trans, device, range->minlen,
-						 start, &start, &len);
+		ret = find_free_dev_extent_start(trans, device, minlen, start,
+						 &start, &len);
 		if (trans) {
 			up_read(&fs_info->commit_root_sem);
 			btrfs_put_transaction(trans);
@@ -11374,16 +11373,6 @@ static int btrfs_trim_free_extents(struc
 			break;
 		}
 
-		/* If we are out of the passed range break */
-		if (start > range->start + range->len - 1) {
-			mutex_unlock(&fs_info->chunk_mutex);
-			ret = 0;
-			break;
-		}
-
-		start = max(range->start, start);
-		len = min(range->len, len);
-
 		ret = btrfs_issue_discard(device->bdev, start, len, &bytes);
 		mutex_unlock(&fs_info->chunk_mutex);
 
@@ -11393,10 +11382,6 @@ static int btrfs_trim_free_extents(struc
 		start += len;
 		*trimmed += bytes;
 
-		/* We've trimmed enough */
-		if (*trimmed >= range->len)
-			break;
-
 		if (fatal_signal_pending(current)) {
 			ret = -ERESTARTSYS;
 			break;
@@ -11480,7 +11465,8 @@ int btrfs_trim_fs(struct btrfs_fs_info *
 	mutex_lock(&fs_info->fs_devices->device_list_mutex);
 	devices = &fs_info->fs_devices->devices;
 	list_for_each_entry(device, devices, dev_list) {
-		ret = btrfs_trim_free_extents(device, range, &group_trimmed);
+		ret = btrfs_trim_free_extents(device, range->minlen,
+					      &group_trimmed);
 		if (ret) {
 			dev_failed++;
 			dev_ret = ret;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/fs/btrfs/file.c linux-libre-5.1.6-gnu/fs/btrfs/file.c
--- linux-libre-5.1.5-gnu/fs/btrfs/file.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/fs/btrfs/file.c	2019-05-31 09:43:59.000000000 -0400
@@ -2059,6 +2059,18 @@ int btrfs_sync_file(struct file *file, l
 	u64 len;
 
 	/*
+	 * If the inode needs a full sync, make sure we use a full range to
+	 * avoid log tree corruption, due to hole detection racing with ordered
+	 * extent completion for adjacent ranges, and assertion failures during
+	 * hole detection.
+	 */
+	if (test_bit(BTRFS_INODE_NEEDS_FULL_SYNC,
+		     &BTRFS_I(inode)->runtime_flags)) {
+		start = 0;
+		end = LLONG_MAX;
+	}
+
+	/*
 	 * The range length can be represented by u64, we have to do the typecasts
 	 * to avoid signed overflow if it's [0, LLONG_MAX] eg. from fsync()
 	 */
@@ -2546,10 +2558,8 @@ static int btrfs_punch_hole(struct inode
 
 	ret = btrfs_punch_hole_lock_range(inode, lockstart, lockend,
 					  &cached_state);
-	if (ret) {
-		inode_unlock(inode);
+	if (ret)
 		goto out_only_mutex;
-	}
 
 	path = btrfs_alloc_path();
 	if (!path) {
@@ -3132,6 +3142,7 @@ static long btrfs_fallocate(struct file
 			ret = btrfs_qgroup_reserve_data(inode, &data_reserved,
 					cur_offset, last_byte - cur_offset);
 			if (ret < 0) {
+				cur_offset = last_byte;
 				free_extent_map(em);
 				break;
 			}
@@ -3181,7 +3192,7 @@ out:
 	/* Let go of our reservation. */
 	if (ret != 0 && !(mode & FALLOC_FL_ZERO_RANGE))
 		btrfs_free_reserved_data_space(inode, data_reserved,
-				alloc_start, alloc_end - cur_offset);
+				cur_offset, alloc_end - cur_offset);
 	extent_changeset_free(data_reserved);
 	return ret;
 }
diff -druNp --no-dereference linux-libre-5.1.5-gnu/fs/btrfs/relocation.c linux-libre-5.1.6-gnu/fs/btrfs/relocation.c
--- linux-libre-5.1.5-gnu/fs/btrfs/relocation.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/fs/btrfs/relocation.c	2019-05-31 09:43:59.000000000 -0400
@@ -4330,27 +4330,36 @@ int btrfs_relocate_block_group(struct bt
 		mutex_lock(&fs_info->cleaner_mutex);
 		ret = relocate_block_group(rc);
 		mutex_unlock(&fs_info->cleaner_mutex);
-		if (ret < 0) {
+		if (ret < 0)
 			err = ret;
-			goto out;
-		}
-
-		if (rc->extents_found == 0)
-			break;
-
-		btrfs_info(fs_info, "found %llu extents", rc->extents_found);
 
+		/*
+		 * We may have gotten ENOSPC after we already dirtied some
+		 * extents.  If writeout happens while we're relocating a
+		 * different block group we could end up hitting the
+		 * BUG_ON(rc->stage == UPDATE_DATA_PTRS) in
+		 * btrfs_reloc_cow_block.  Make sure we write everything out
+		 * properly so we don't trip over this problem, and then break
+		 * out of the loop if we hit an error.
+		 */
 		if (rc->stage == MOVE_DATA_EXTENTS && rc->found_file_extent) {
 			ret = btrfs_wait_ordered_range(rc->data_inode, 0,
 						       (u64)-1);
-			if (ret) {
+			if (ret)
 				err = ret;
-				goto out;
-			}
 			invalidate_mapping_pages(rc->data_inode->i_mapping,
 						 0, -1);
 			rc->stage = UPDATE_DATA_PTRS;
 		}
+
+		if (err < 0)
+			goto out;
+
+		if (rc->extents_found == 0)
+			break;
+
+		btrfs_info(fs_info, "found %llu extents", rc->extents_found);
+
 	}
 
 	WARN_ON(rc->block_group->pinned > 0);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/fs/btrfs/root-tree.c linux-libre-5.1.6-gnu/fs/btrfs/root-tree.c
--- linux-libre-5.1.5-gnu/fs/btrfs/root-tree.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/fs/btrfs/root-tree.c	2019-05-31 09:43:59.000000000 -0400
@@ -132,16 +132,17 @@ int btrfs_update_root(struct btrfs_trans
 		return -ENOMEM;
 
 	ret = btrfs_search_slot(trans, root, key, path, 0, 1);
-	if (ret < 0) {
-		btrfs_abort_transaction(trans, ret);
+	if (ret < 0)
 		goto out;
-	}
 
-	if (ret != 0) {
-		btrfs_print_leaf(path->nodes[0]);
-		btrfs_crit(fs_info, "unable to update root key %llu %u %llu",
-			   key->objectid, key->type, key->offset);
-		BUG_ON(1);
+	if (ret > 0) {
+		btrfs_crit(fs_info,
+			"unable to find root key (%llu %u %llu) in tree %llu",
+			key->objectid, key->type, key->offset,
+			root->root_key.objectid);
+		ret = -EUCLEAN;
+		btrfs_abort_transaction(trans, ret);
+		goto out;
 	}
 
 	l = path->nodes[0];
diff -druNp --no-dereference linux-libre-5.1.5-gnu/fs/btrfs/sysfs.c linux-libre-5.1.6-gnu/fs/btrfs/sysfs.c
--- linux-libre-5.1.5-gnu/fs/btrfs/sysfs.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/fs/btrfs/sysfs.c	2019-05-31 09:43:59.000000000 -0400
@@ -825,7 +825,12 @@ int btrfs_sysfs_add_fsid(struct btrfs_fs
 	fs_devs->fsid_kobj.kset = btrfs_kset;
 	error = kobject_init_and_add(&fs_devs->fsid_kobj,
 				&btrfs_ktype, parent, "%pU", fs_devs->fsid);
-	return error;
+	if (error) {
+		kobject_put(&fs_devs->fsid_kobj);
+		return error;
+	}
+
+	return 0;
 }
 
 int btrfs_sysfs_add_mounted(struct btrfs_fs_info *fs_info)
diff -druNp --no-dereference linux-libre-5.1.5-gnu/fs/btrfs/tree-log.c linux-libre-5.1.6-gnu/fs/btrfs/tree-log.c
--- linux-libre-5.1.5-gnu/fs/btrfs/tree-log.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/fs/btrfs/tree-log.c	2019-05-31 09:43:59.000000000 -0400
@@ -4169,6 +4169,7 @@ fill_holes:
 							       *last_extent, 0,
 							       0, len, 0, len,
 							       0, 0, 0);
+				*last_extent += len;
 			}
 		}
 	}
diff -druNp --no-dereference linux-libre-5.1.5-gnu/fs/char_dev.c linux-libre-5.1.6-gnu/fs/char_dev.c
--- linux-libre-5.1.5-gnu/fs/char_dev.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/fs/char_dev.c	2019-05-31 09:43:59.000000000 -0400
@@ -159,6 +159,12 @@ __register_chrdev_region(unsigned int ma
 			ret = -EBUSY;
 			goto out;
 		}
+
+		if (new_min < old_min && new_max > old_max) {
+			ret = -EBUSY;
+			goto out;
+		}
+
 	}
 
 	cd->next = *cp;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/fs/crypto/crypto.c linux-libre-5.1.6-gnu/fs/crypto/crypto.c
--- linux-libre-5.1.5-gnu/fs/crypto/crypto.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/fs/crypto/crypto.c	2019-05-31 09:43:59.000000000 -0400
@@ -334,7 +334,7 @@ static int fscrypt_d_revalidate(struct d
 	spin_lock(&dentry->d_lock);
 	cached_with_key = dentry->d_flags & DCACHE_ENCRYPTED_WITH_KEY;
 	spin_unlock(&dentry->d_lock);
-	dir_has_key = (d_inode(dir)->i_crypt_info != NULL);
+	dir_has_key = fscrypt_has_encryption_key(d_inode(dir));
 	dput(dir);
 
 	/*
diff -druNp --no-dereference linux-libre-5.1.5-gnu/fs/crypto/fname.c linux-libre-5.1.6-gnu/fs/crypto/fname.c
--- linux-libre-5.1.5-gnu/fs/crypto/fname.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/fs/crypto/fname.c	2019-05-31 09:43:59.000000000 -0400
@@ -269,7 +269,7 @@ int fscrypt_fname_disk_to_usr(struct ino
 	if (iname->len < FS_CRYPTO_BLOCK_SIZE)
 		return -EUCLEAN;
 
-	if (inode->i_crypt_info)
+	if (fscrypt_has_encryption_key(inode))
 		return fname_decrypt(inode, iname, oname);
 
 	if (iname->len <= FSCRYPT_FNAME_MAX_UNDIGESTED_SIZE) {
@@ -336,7 +336,7 @@ int fscrypt_setup_filename(struct inode
 	if (ret)
 		return ret;
 
-	if (dir->i_crypt_info) {
+	if (fscrypt_has_encryption_key(dir)) {
 		if (!fscrypt_fname_encrypted_size(dir, iname->len,
 						  dir->i_sb->s_cop->max_namelen,
 						  &fname->crypto_buf.len))
diff -druNp --no-dereference linux-libre-5.1.5-gnu/fs/crypto/keyinfo.c linux-libre-5.1.6-gnu/fs/crypto/keyinfo.c
--- linux-libre-5.1.5-gnu/fs/crypto/keyinfo.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/fs/crypto/keyinfo.c	2019-05-31 09:43:59.000000000 -0400
@@ -509,7 +509,7 @@ int fscrypt_get_encryption_info(struct i
 	u8 *raw_key = NULL;
 	int res;
 
-	if (inode->i_crypt_info)
+	if (fscrypt_has_encryption_key(inode))
 		return 0;
 
 	res = fscrypt_initialize(inode->i_sb->s_cop->flags);
@@ -573,7 +573,7 @@ int fscrypt_get_encryption_info(struct i
 	if (res)
 		goto out;
 
-	if (cmpxchg(&inode->i_crypt_info, NULL, crypt_info) == NULL)
+	if (cmpxchg_release(&inode->i_crypt_info, NULL, crypt_info) == NULL)
 		crypt_info = NULL;
 out:
 	if (res == -ENOKEY)
diff -druNp --no-dereference linux-libre-5.1.5-gnu/fs/crypto/policy.c linux-libre-5.1.6-gnu/fs/crypto/policy.c
--- linux-libre-5.1.5-gnu/fs/crypto/policy.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/fs/crypto/policy.c	2019-05-31 09:43:59.000000000 -0400
@@ -194,8 +194,8 @@ int fscrypt_has_permitted_context(struct
 	res = fscrypt_get_encryption_info(child);
 	if (res)
 		return 0;
-	parent_ci = parent->i_crypt_info;
-	child_ci = child->i_crypt_info;
+	parent_ci = READ_ONCE(parent->i_crypt_info);
+	child_ci = READ_ONCE(child->i_crypt_info);
 
 	if (parent_ci && child_ci) {
 		return memcmp(parent_ci->ci_master_key_descriptor,
@@ -246,7 +246,7 @@ int fscrypt_inherit_context(struct inode
 	if (res < 0)
 		return res;
 
-	ci = parent->i_crypt_info;
+	ci = READ_ONCE(parent->i_crypt_info);
 	if (ci == NULL)
 		return -ENOKEY;
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/fs/ext4/inode.c linux-libre-5.1.6-gnu/fs/ext4/inode.c
--- linux-libre-5.1.5-gnu/fs/ext4/inode.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/fs/ext4/inode.c	2019-05-31 09:43:59.000000000 -0400
@@ -5619,25 +5619,22 @@ int ext4_setattr(struct dentry *dentry,
 			up_write(&EXT4_I(inode)->i_data_sem);
 			ext4_journal_stop(handle);
 			if (error) {
-				if (orphan)
+				if (orphan && inode->i_nlink)
 					ext4_orphan_del(NULL, inode);
 				goto err_out;
 			}
 		}
-		if (!shrink)
+		if (!shrink) {
 			pagecache_isize_extended(inode, oldsize, inode->i_size);
-
-		/*
-		 * Blocks are going to be removed from the inode. Wait
-		 * for dio in flight.  Temporarily disable
-		 * dioread_nolock to prevent livelock.
-		 */
-		if (orphan) {
-			if (!ext4_should_journal_data(inode)) {
-				inode_dio_wait(inode);
-			} else
-				ext4_wait_for_tail_page_commit(inode);
+		} else {
+			/*
+			 * Blocks are going to be removed from the inode. Wait
+			 * for dio in flight.
+			 */
+			inode_dio_wait(inode);
 		}
+		if (orphan && ext4_should_journal_data(inode))
+			ext4_wait_for_tail_page_commit(inode);
 		down_write(&EXT4_I(inode)->i_mmap_sem);
 
 		rc = ext4_break_layouts(inode);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/fs/gfs2/glock.c linux-libre-5.1.6-gnu/fs/gfs2/glock.c
--- linux-libre-5.1.5-gnu/fs/gfs2/glock.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/fs/gfs2/glock.c	2019-05-31 09:43:59.000000000 -0400
@@ -140,6 +140,7 @@ void gfs2_glock_free(struct gfs2_glock *
 {
 	struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;
 
+	BUG_ON(atomic_read(&gl->gl_revokes));
 	rhashtable_remove_fast(&gl_hash_table, &gl->gl_node, ht_parms);
 	smp_mb();
 	wake_up_glock(gl);
@@ -183,15 +184,19 @@ static int demote_ok(const struct gfs2_g
 
 void gfs2_glock_add_to_lru(struct gfs2_glock *gl)
 {
+	if (!(gl->gl_ops->go_flags & GLOF_LRU))
+		return;
+
 	spin_lock(&lru_lock);
 
-	if (!list_empty(&gl->gl_lru))
-		list_del_init(&gl->gl_lru);
-	else
+	list_del(&gl->gl_lru);
+	list_add_tail(&gl->gl_lru, &lru_list);
+
+	if (!test_bit(GLF_LRU, &gl->gl_flags)) {
+		set_bit(GLF_LRU, &gl->gl_flags);
 		atomic_inc(&lru_count);
+	}
 
-	list_add_tail(&gl->gl_lru, &lru_list);
-	set_bit(GLF_LRU, &gl->gl_flags);
 	spin_unlock(&lru_lock);
 }
 
@@ -201,7 +206,7 @@ static void gfs2_glock_remove_from_lru(s
 		return;
 
 	spin_lock(&lru_lock);
-	if (!list_empty(&gl->gl_lru)) {
+	if (test_bit(GLF_LRU, &gl->gl_flags)) {
 		list_del_init(&gl->gl_lru);
 		atomic_dec(&lru_count);
 		clear_bit(GLF_LRU, &gl->gl_flags);
@@ -1159,8 +1164,7 @@ void gfs2_glock_dq(struct gfs2_holder *g
 		    !test_bit(GLF_DEMOTE, &gl->gl_flags))
 			fast_path = 1;
 	}
-	if (!test_bit(GLF_LFLUSH, &gl->gl_flags) && demote_ok(gl) &&
-	    (glops->go_flags & GLOF_LRU))
+	if (!test_bit(GLF_LFLUSH, &gl->gl_flags) && demote_ok(gl))
 		gfs2_glock_add_to_lru(gl);
 
 	trace_gfs2_glock_queue(gh, 0);
@@ -1456,6 +1460,7 @@ __acquires(&lru_lock)
 		if (!spin_trylock(&gl->gl_lockref.lock)) {
 add_back_to_lru:
 			list_add(&gl->gl_lru, &lru_list);
+			set_bit(GLF_LRU, &gl->gl_flags);
 			atomic_inc(&lru_count);
 			continue;
 		}
@@ -1463,7 +1468,6 @@ add_back_to_lru:
 			spin_unlock(&gl->gl_lockref.lock);
 			goto add_back_to_lru;
 		}
-		clear_bit(GLF_LRU, &gl->gl_flags);
 		gl->gl_lockref.count++;
 		if (demote_ok(gl))
 			handle_callback(gl, LM_ST_UNLOCKED, 0, false);
@@ -1498,6 +1502,7 @@ static long gfs2_scan_glock_lru(int nr)
 		if (!test_bit(GLF_LOCK, &gl->gl_flags)) {
 			list_move(&gl->gl_lru, &dispose);
 			atomic_dec(&lru_count);
+			clear_bit(GLF_LRU, &gl->gl_flags);
 			freed++;
 			continue;
 		}
diff -druNp --no-dereference linux-libre-5.1.5-gnu/fs/gfs2/incore.h linux-libre-5.1.6-gnu/fs/gfs2/incore.h
--- linux-libre-5.1.5-gnu/fs/gfs2/incore.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/fs/gfs2/incore.h	2019-05-31 09:43:59.000000000 -0400
@@ -621,6 +621,7 @@ enum {
 	SDF_SKIP_DLM_UNLOCK	= 8,
 	SDF_FORCE_AIL_FLUSH     = 9,
 	SDF_AIL1_IO_ERROR	= 10,
+	SDF_FS_FROZEN           = 11,
 };
 
 enum gfs2_freeze_state {
diff -druNp --no-dereference linux-libre-5.1.5-gnu/fs/gfs2/lock_dlm.c linux-libre-5.1.6-gnu/fs/gfs2/lock_dlm.c
--- linux-libre-5.1.5-gnu/fs/gfs2/lock_dlm.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/fs/gfs2/lock_dlm.c	2019-05-31 09:43:59.000000000 -0400
@@ -31,9 +31,10 @@
  * @delta is the difference between the current rtt sample and the
  * running average srtt. We add 1/8 of that to the srtt in order to
  * update the current srtt estimate. The variance estimate is a bit
- * more complicated. We subtract the abs value of the @delta from
- * the current variance estimate and add 1/4 of that to the running
- * total.
+ * more complicated. We subtract the current variance estimate from
+ * the abs value of the @delta and add 1/4 of that to the running
+ * total.  That's equivalent to 3/4 of the current variance
+ * estimate plus 1/4 of the abs of @delta.
  *
  * Note that the index points at the array entry containing the smoothed
  * mean value, and the variance is always in the following entry
@@ -49,7 +50,7 @@ static inline void gfs2_update_stats(str
 	s64 delta = sample - s->stats[index];
 	s->stats[index] += (delta >> 3);
 	index++;
-	s->stats[index] += ((abs(delta) - s->stats[index]) >> 2);
+	s->stats[index] += (s64)(abs(delta) - s->stats[index]) >> 2;
 }
 
 /**
diff -druNp --no-dereference linux-libre-5.1.5-gnu/fs/gfs2/log.c linux-libre-5.1.6-gnu/fs/gfs2/log.c
--- linux-libre-5.1.5-gnu/fs/gfs2/log.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/fs/gfs2/log.c	2019-05-31 09:43:59.000000000 -0400
@@ -606,7 +606,8 @@ void gfs2_add_revoke(struct gfs2_sbd *sd
 	gfs2_remove_from_ail(bd); /* drops ref on bh */
 	bd->bd_bh = NULL;
 	sdp->sd_log_num_revoke++;
-	atomic_inc(&gl->gl_revokes);
+	if (atomic_inc_return(&gl->gl_revokes) == 1)
+		gfs2_glock_hold(gl);
 	set_bit(GLF_LFLUSH, &gl->gl_flags);
 	list_add(&bd->bd_list, &sdp->sd_log_le_revoke);
 }
diff -druNp --no-dereference linux-libre-5.1.5-gnu/fs/gfs2/lops.c linux-libre-5.1.6-gnu/fs/gfs2/lops.c
--- linux-libre-5.1.5-gnu/fs/gfs2/lops.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/fs/gfs2/lops.c	2019-05-31 09:43:59.000000000 -0400
@@ -669,8 +669,10 @@ static void revoke_lo_after_commit(struc
 		bd = list_entry(head->next, struct gfs2_bufdata, bd_list);
 		list_del_init(&bd->bd_list);
 		gl = bd->bd_gl;
-		atomic_dec(&gl->gl_revokes);
-		clear_bit(GLF_LFLUSH, &gl->gl_flags);
+		if (atomic_dec_return(&gl->gl_revokes) == 0) {
+			clear_bit(GLF_LFLUSH, &gl->gl_flags);
+			gfs2_glock_queue_put(gl);
+		}
 		kmem_cache_free(gfs2_bufdata_cachep, bd);
 	}
 }
diff -druNp --no-dereference linux-libre-5.1.5-gnu/fs/gfs2/super.c linux-libre-5.1.6-gnu/fs/gfs2/super.c
--- linux-libre-5.1.5-gnu/fs/gfs2/super.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/fs/gfs2/super.c	2019-05-31 09:43:59.000000000 -0400
@@ -973,8 +973,7 @@ void gfs2_freeze_func(struct work_struct
 	if (error) {
 		printk(KERN_INFO "GFS2: couldn't get freeze lock : %d\n", error);
 		gfs2_assert_withdraw(sdp, 0);
-	}
-	else {
+	} else {
 		atomic_set(&sdp->sd_freeze_state, SFS_UNFROZEN);
 		error = thaw_super(sb);
 		if (error) {
@@ -987,6 +986,8 @@ void gfs2_freeze_func(struct work_struct
 		gfs2_glock_dq_uninit(&freeze_gh);
 	}
 	deactivate_super(sb);
+	clear_bit_unlock(SDF_FS_FROZEN, &sdp->sd_flags);
+	wake_up_bit(&sdp->sd_flags, SDF_FS_FROZEN);
 	return;
 }
 
@@ -1029,6 +1030,7 @@ static int gfs2_freeze(struct super_bloc
 		msleep(1000);
 	}
 	error = 0;
+	set_bit(SDF_FS_FROZEN, &sdp->sd_flags);
 out:
 	mutex_unlock(&sdp->sd_freeze_mutex);
 	return error;
@@ -1053,7 +1055,7 @@ static int gfs2_unfreeze(struct super_bl
 
 	gfs2_glock_dq_uninit(&sdp->sd_freeze_gh);
 	mutex_unlock(&sdp->sd_freeze_mutex);
-	return 0;
+	return wait_on_bit(&sdp->sd_flags, SDF_FS_FROZEN, TASK_INTERRUPTIBLE);
 }
 
 /**
diff -druNp --no-dereference linux-libre-5.1.5-gnu/fs/internal.h linux-libre-5.1.6-gnu/fs/internal.h
--- linux-libre-5.1.5-gnu/fs/internal.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/fs/internal.h	2019-05-31 09:43:59.000000000 -0400
@@ -89,9 +89,7 @@ extern int sb_prepare_remount_readonly(s
 
 extern void __init mnt_init(void);
 
-extern int __mnt_want_write(struct vfsmount *);
 extern int __mnt_want_write_file(struct file *);
-extern void __mnt_drop_write(struct vfsmount *);
 extern void __mnt_drop_write_file(struct file *);
 
 /*
diff -druNp --no-dereference linux-libre-5.1.5-gnu/fs/io_uring.c linux-libre-5.1.6-gnu/fs/io_uring.c
--- linux-libre-5.1.5-gnu/fs/io_uring.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/fs/io_uring.c	2019-05-31 09:43:59.000000000 -0400
@@ -2334,7 +2334,7 @@ static int io_sq_offload_start(struct io
 							nr_cpu_ids);
 
 			ret = -EINVAL;
-			if (!cpu_possible(cpu))
+			if (!cpu_online(cpu))
 				goto err;
 
 			ctx->sqo_thread = kthread_create_on_cpu(io_sq_thread,
diff -druNp --no-dereference linux-libre-5.1.5-gnu/fs/nfs/client.c linux-libre-5.1.6-gnu/fs/nfs/client.c
--- linux-libre-5.1.5-gnu/fs/nfs/client.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/fs/nfs/client.c	2019-05-31 09:43:59.000000000 -0400
@@ -284,6 +284,7 @@ static struct nfs_client *nfs_match_clie
 	struct nfs_client *clp;
 	const struct sockaddr *sap = data->addr;
 	struct nfs_net *nn = net_generic(data->net, nfs_net_id);
+	int error;
 
 again:
 	list_for_each_entry(clp, &nn->nfs_client_list, cl_share_link) {
@@ -296,9 +297,11 @@ again:
 		if (clp->cl_cons_state > NFS_CS_READY) {
 			refcount_inc(&clp->cl_count);
 			spin_unlock(&nn->nfs_client_lock);
-			nfs_wait_client_init_complete(clp);
+			error = nfs_wait_client_init_complete(clp);
 			nfs_put_client(clp);
 			spin_lock(&nn->nfs_client_lock);
+			if (error < 0)
+				return ERR_PTR(error);
 			goto again;
 		}
 
@@ -407,6 +410,8 @@ struct nfs_client *nfs_get_client(const
 		clp = nfs_match_client(cl_init);
 		if (clp) {
 			spin_unlock(&nn->nfs_client_lock);
+			if (IS_ERR(clp))
+				return clp;
 			if (new)
 				new->rpc_ops->free_client(new);
 			return nfs_found_client(cl_init, clp);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/fs/nfs/nfs4file.c linux-libre-5.1.6-gnu/fs/nfs/nfs4file.c
--- linux-libre-5.1.5-gnu/fs/nfs/nfs4file.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/fs/nfs/nfs4file.c	2019-05-31 09:43:59.000000000 -0400
@@ -187,7 +187,7 @@ static loff_t nfs42_remap_file_range(str
 	bool same_inode = false;
 	int ret;
 
-	if (remap_flags & ~REMAP_FILE_ADVISORY)
+	if (remap_flags & ~(REMAP_FILE_DEDUP | REMAP_FILE_ADVISORY))
 		return -EINVAL;
 
 	/* check alignment w.r.t. clone_blksize */
diff -druNp --no-dereference linux-libre-5.1.5-gnu/fs/overlayfs/dir.c linux-libre-5.1.6-gnu/fs/overlayfs/dir.c
--- linux-libre-5.1.5-gnu/fs/overlayfs/dir.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/fs/overlayfs/dir.c	2019-05-31 09:43:59.000000000 -0400
@@ -260,7 +260,7 @@ static int ovl_instantiate(struct dentry
 		 * hashed directory inode aliases.
 		 */
 		inode = ovl_get_inode(dentry->d_sb, &oip);
-		if (WARN_ON(IS_ERR(inode)))
+		if (IS_ERR(inode))
 			return PTR_ERR(inode);
 	} else {
 		WARN_ON(ovl_inode_real(inode) != d_inode(newdentry));
diff -druNp --no-dereference linux-libre-5.1.5-gnu/fs/overlayfs/inode.c linux-libre-5.1.6-gnu/fs/overlayfs/inode.c
--- linux-libre-5.1.5-gnu/fs/overlayfs/inode.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/fs/overlayfs/inode.c	2019-05-31 09:43:59.000000000 -0400
@@ -832,7 +832,7 @@ struct inode *ovl_get_inode(struct super
 	int fsid = bylower ? oip->lowerpath->layer->fsid : 0;
 	bool is_dir, metacopy = false;
 	unsigned long ino = 0;
-	int err = -ENOMEM;
+	int err = oip->newinode ? -EEXIST : -ENOMEM;
 
 	if (!realinode)
 		realinode = d_inode(lowerdentry);
@@ -917,6 +917,7 @@ out:
 	return inode;
 
 out_err:
+	pr_warn_ratelimited("overlayfs: failed to get inode (%i)\n", err);
 	inode = ERR_PTR(err);
 	goto out;
 }
diff -druNp --no-dereference linux-libre-5.1.5-gnu/include/crypto/hash.h linux-libre-5.1.6-gnu/include/crypto/hash.h
--- linux-libre-5.1.5-gnu/include/crypto/hash.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/include/crypto/hash.h	2019-05-31 09:43:59.000000000 -0400
@@ -152,7 +152,13 @@ struct shash_desc {
 };
 
 #define HASH_MAX_DIGESTSIZE	 64
-#define HASH_MAX_DESCSIZE	360
+
+/*
+ * Worst case is hmac(sha3-224-generic).  Its context is a nested 'shash_desc'
+ * containing a 'struct sha3_state'.
+ */
+#define HASH_MAX_DESCSIZE	(sizeof(struct shash_desc) + 360)
+
 #define HASH_MAX_STATESIZE	512
 
 #define SHASH_DESC_ON_STACK(shash, ctx)				  \
diff -druNp --no-dereference linux-libre-5.1.5-gnu/include/drm/tinydrm/mipi-dbi.h linux-libre-5.1.6-gnu/include/drm/tinydrm/mipi-dbi.h
--- linux-libre-5.1.5-gnu/include/drm/tinydrm/mipi-dbi.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/include/drm/tinydrm/mipi-dbi.h	2019-05-31 09:43:59.000000000 -0400
@@ -43,7 +43,7 @@ struct mipi_dbi {
 	struct spi_device *spi;
 	bool enabled;
 	struct mutex cmdlock;
-	int (*command)(struct mipi_dbi *mipi, u8 cmd, u8 *param, size_t num);
+	int (*command)(struct mipi_dbi *mipi, u8 *cmd, u8 *param, size_t num);
 	const u8 *read_commands;
 	struct gpio_desc *dc;
 	u16 *tx_buf;
@@ -82,6 +82,7 @@ u32 mipi_dbi_spi_cmd_max_speed(struct sp
 
 int mipi_dbi_command_read(struct mipi_dbi *mipi, u8 cmd, u8 *val);
 int mipi_dbi_command_buf(struct mipi_dbi *mipi, u8 cmd, u8 *data, size_t len);
+int mipi_dbi_command_stackbuf(struct mipi_dbi *mipi, u8 cmd, u8 *data, size_t len);
 int mipi_dbi_buf_copy(void *dst, struct drm_framebuffer *fb,
 		      struct drm_rect *clip, bool swap);
 /**
@@ -99,7 +100,7 @@ int mipi_dbi_buf_copy(void *dst, struct
 #define mipi_dbi_command(mipi, cmd, seq...) \
 ({ \
 	u8 d[] = { seq }; \
-	mipi_dbi_command_buf(mipi, cmd, d, ARRAY_SIZE(d)); \
+	mipi_dbi_command_stackbuf(mipi, cmd, d, ARRAY_SIZE(d)); \
 })
 
 #ifdef CONFIG_DEBUG_FS
diff -druNp --no-dereference linux-libre-5.1.5-gnu/include/linux/bio.h linux-libre-5.1.6-gnu/include/linux/bio.h
--- linux-libre-5.1.5-gnu/include/linux/bio.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/include/linux/bio.h	2019-05-31 09:43:59.000000000 -0400
@@ -224,7 +224,7 @@ static inline void bio_cnt_set(struct bi
 {
 	if (count != 1) {
 		bio->bi_flags |= (1 << BIO_REFFED);
-		smp_mb__before_atomic();
+		smp_mb();
 	}
 	atomic_set(&bio->__bi_cnt, count);
 }
diff -druNp --no-dereference linux-libre-5.1.5-gnu/include/linux/cgroup-defs.h linux-libre-5.1.6-gnu/include/linux/cgroup-defs.h
--- linux-libre-5.1.5-gnu/include/linux/cgroup-defs.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/include/linux/cgroup-defs.h	2019-05-31 09:43:59.000000000 -0400
@@ -349,6 +349,11 @@ struct cgroup {
 	 * Dying cgroups are cgroups which were deleted by a user,
 	 * but are still existing because someone else is holding a reference.
 	 * max_descendants is a maximum allowed number of descent cgroups.
+	 *
+	 * nr_descendants and nr_dying_descendants are protected
+	 * by cgroup_mutex and css_set_lock. It's fine to read them holding
+	 * any of cgroup_mutex and css_set_lock; for writing both locks
+	 * should be held.
 	 */
 	int nr_descendants;
 	int nr_dying_descendants;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/include/linux/dax.h linux-libre-5.1.6-gnu/include/linux/dax.h
--- linux-libre-5.1.5-gnu/include/linux/dax.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/include/linux/dax.h	2019-05-31 09:43:59.000000000 -0400
@@ -19,6 +19,12 @@ struct dax_operations {
 	 */
 	long (*direct_access)(struct dax_device *, pgoff_t, long,
 			void **, pfn_t *);
+	/*
+	 * Validate whether this device is usable as an fsdax backing
+	 * device.
+	 */
+	bool (*dax_supported)(struct dax_device *, struct block_device *, int,
+			sector_t, sector_t);
 	/* copy_from_iter: required operation for fs-dax direct-i/o */
 	size_t (*copy_from_iter)(struct dax_device *, pgoff_t, void *, size_t,
 			struct iov_iter *);
@@ -75,6 +81,17 @@ static inline bool bdev_dax_supported(st
 	return __bdev_dax_supported(bdev, blocksize);
 }
 
+bool __generic_fsdax_supported(struct dax_device *dax_dev,
+		struct block_device *bdev, int blocksize, sector_t start,
+		sector_t sectors);
+static inline bool generic_fsdax_supported(struct dax_device *dax_dev,
+		struct block_device *bdev, int blocksize, sector_t start,
+		sector_t sectors)
+{
+	return __generic_fsdax_supported(dax_dev, bdev, blocksize, start,
+			sectors);
+}
+
 static inline struct dax_device *fs_dax_get_by_host(const char *host)
 {
 	return dax_get_by_host(host);
@@ -99,6 +116,13 @@ static inline bool bdev_dax_supported(st
 	return false;
 }
 
+static inline bool generic_fsdax_supported(struct dax_device *dax_dev,
+		struct block_device *bdev, int blocksize, sector_t start,
+		sector_t sectors)
+{
+	return false;
+}
+
 static inline struct dax_device *fs_dax_get_by_host(const char *host)
 {
 	return NULL;
@@ -142,6 +166,8 @@ bool dax_alive(struct dax_device *dax_de
 void *dax_get_private(struct dax_device *dax_dev);
 long dax_direct_access(struct dax_device *dax_dev, pgoff_t pgoff, long nr_pages,
 		void **kaddr, pfn_t *pfn);
+bool dax_supported(struct dax_device *dax_dev, struct block_device *bdev,
+		int blocksize, sector_t start, sector_t len);
 size_t dax_copy_from_iter(struct dax_device *dax_dev, pgoff_t pgoff, void *addr,
 		size_t bytes, struct iov_iter *i);
 size_t dax_copy_to_iter(struct dax_device *dax_dev, pgoff_t pgoff, void *addr,
diff -druNp --no-dereference linux-libre-5.1.5-gnu/include/linux/filter.h linux-libre-5.1.6-gnu/include/linux/filter.h
--- linux-libre-5.1.5-gnu/include/linux/filter.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/include/linux/filter.h	2019-05-31 09:43:59.000000000 -0400
@@ -746,6 +746,7 @@ static inline void bpf_prog_unlock_ro(st
 static inline void bpf_jit_binary_lock_ro(struct bpf_binary_header *hdr)
 {
 	set_memory_ro((unsigned long)hdr, hdr->pages);
+	set_memory_x((unsigned long)hdr, hdr->pages);
 }
 
 static inline void bpf_jit_binary_unlock_ro(struct bpf_binary_header *hdr)
diff -druNp --no-dereference linux-libre-5.1.5-gnu/include/linux/fscrypt.h linux-libre-5.1.6-gnu/include/linux/fscrypt.h
--- linux-libre-5.1.5-gnu/include/linux/fscrypt.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/include/linux/fscrypt.h	2019-05-31 09:43:59.000000000 -0400
@@ -79,7 +79,8 @@ struct fscrypt_ctx {
 
 static inline bool fscrypt_has_encryption_key(const struct inode *inode)
 {
-	return (inode->i_crypt_info != NULL);
+	/* pairs with cmpxchg_release() in fscrypt_get_encryption_info() */
+	return READ_ONCE(inode->i_crypt_info) != NULL;
 }
 
 static inline bool fscrypt_dummy_context_enabled(struct inode *inode)
diff -druNp --no-dereference linux-libre-5.1.5-gnu/include/linux/genhd.h linux-libre-5.1.6-gnu/include/linux/genhd.h
--- linux-libre-5.1.5-gnu/include/linux/genhd.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/include/linux/genhd.h	2019-05-31 09:43:59.000000000 -0400
@@ -610,6 +610,7 @@ struct unixware_disklabel {
 
 extern int blk_alloc_devt(struct hd_struct *part, dev_t *devt);
 extern void blk_free_devt(dev_t devt);
+extern void blk_invalidate_devt(dev_t devt);
 extern dev_t blk_lookup_devt(const char *name, int partno);
 extern char *disk_name (struct gendisk *hd, int partno, char *buf);
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/include/linux/hid.h linux-libre-5.1.6-gnu/include/linux/hid.h
--- linux-libre-5.1.5-gnu/include/linux/hid.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/include/linux/hid.h	2019-05-31 09:43:59.000000000 -0400
@@ -417,6 +417,7 @@ struct hid_global {
 
 struct hid_local {
 	unsigned usage[HID_MAX_USAGES]; /* usage array */
+	u8 usage_size[HID_MAX_USAGES]; /* usage size array */
 	unsigned collection_index[HID_MAX_USAGES]; /* collection index array */
 	unsigned usage_index;
 	unsigned usage_minimum;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/include/linux/iio/adc/ad_sigma_delta.h linux-libre-5.1.6-gnu/include/linux/iio/adc/ad_sigma_delta.h
--- linux-libre-5.1.5-gnu/include/linux/iio/adc/ad_sigma_delta.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/include/linux/iio/adc/ad_sigma_delta.h	2019-05-31 09:43:59.000000000 -0400
@@ -69,6 +69,7 @@ struct ad_sigma_delta {
 	bool			irq_dis;
 
 	bool			bus_locked;
+	bool			keep_cs_asserted;
 
 	uint8_t			comm;
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/include/linux/mlx5/eswitch.h linux-libre-5.1.6-gnu/include/linux/mlx5/eswitch.h
--- linux-libre-5.1.5-gnu/include/linux/mlx5/eswitch.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/include/linux/mlx5/eswitch.h	2019-05-31 09:43:59.000000000 -0400
@@ -35,7 +35,7 @@ struct mlx5_eswitch_rep_if {
 	void		       (*unload)(struct mlx5_eswitch_rep *rep);
 	void		       *(*get_proto_dev)(struct mlx5_eswitch_rep *rep);
 	void			*priv;
-	u8			state;
+	atomic_t		state;
 };
 
 struct mlx5_eswitch_rep {
diff -druNp --no-dereference linux-libre-5.1.5-gnu/include/linux/mount.h linux-libre-5.1.6-gnu/include/linux/mount.h
--- linux-libre-5.1.5-gnu/include/linux/mount.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/include/linux/mount.h	2019-05-31 09:43:59.000000000 -0400
@@ -87,6 +87,8 @@ extern bool mnt_may_suid(struct vfsmount
 
 struct path;
 extern struct vfsmount *clone_private_mount(const struct path *path);
+extern int __mnt_want_write(struct vfsmount *);
+extern void __mnt_drop_write(struct vfsmount *);
 
 struct file_system_type;
 extern struct vfsmount *fc_mount(struct fs_context *fc);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/include/linux/overflow.h linux-libre-5.1.6-gnu/include/linux/overflow.h
--- linux-libre-5.1.5-gnu/include/linux/overflow.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/include/linux/overflow.h	2019-05-31 09:43:59.000000000 -0400
@@ -36,6 +36,12 @@
 #define type_max(T) ((T)((__type_half_max(T) - 1) + __type_half_max(T)))
 #define type_min(T) ((T)((T)-type_max(T)-(T)1))
 
+/*
+ * Avoids triggering -Wtype-limits compilation warning,
+ * while using unsigned data types to check a < 0.
+ */
+#define is_non_negative(a) ((a) > 0 || (a) == 0)
+#define is_negative(a) (!(is_non_negative(a)))
 
 #ifdef COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW
 /*
@@ -227,10 +233,10 @@
 	typeof(d) _d = d;						\
 	u64 _a_full = _a;						\
 	unsigned int _to_shift =					\
-		_s >= 0 && _s < 8 * sizeof(*d) ? _s : 0;		\
+		is_non_negative(_s) && _s < 8 * sizeof(*d) ? _s : 0;	\
 	*_d = (_a_full << _to_shift);					\
-	(_to_shift != _s || *_d < 0 || _a < 0 ||			\
-		(*_d >> _to_shift) != _a);				\
+	(_to_shift != _s || is_negative(*_d) || is_negative(_a) ||	\
+	(*_d >> _to_shift) != _a);					\
 })
 
 /**
diff -druNp --no-dereference linux-libre-5.1.5-gnu/include/linux/rcupdate.h linux-libre-5.1.6-gnu/include/linux/rcupdate.h
--- linux-libre-5.1.5-gnu/include/linux/rcupdate.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/include/linux/rcupdate.h	2019-05-31 09:43:59.000000000 -0400
@@ -878,9 +878,11 @@ static inline void rcu_head_init(struct
 static inline bool
 rcu_head_after_call_rcu(struct rcu_head *rhp, rcu_callback_t f)
 {
-	if (READ_ONCE(rhp->func) == f)
+	rcu_callback_t func = READ_ONCE(rhp->func);
+
+	if (func == f)
 		return true;
-	WARN_ON_ONCE(READ_ONCE(rhp->func) != (rcu_callback_t)~0L);
+	WARN_ON_ONCE(func != (rcu_callback_t)~0L);
 	return false;
 }
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/include/linux/regulator/consumer.h linux-libre-5.1.6-gnu/include/linux/regulator/consumer.h
--- linux-libre-5.1.5-gnu/include/linux/regulator/consumer.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/include/linux/regulator/consumer.h	2019-05-31 09:43:59.000000000 -0400
@@ -478,6 +478,11 @@ static inline int regulator_is_supported
 	return 0;
 }
 
+static inline unsigned int regulator_get_linear_step(struct regulator *regulator)
+{
+	return 0;
+}
+
 static inline int regulator_set_current_limit(struct regulator *regulator,
 					     int min_uA, int max_uA)
 {
diff -druNp --no-dereference linux-libre-5.1.5-gnu/include/linux/smpboot.h linux-libre-5.1.6-gnu/include/linux/smpboot.h
--- linux-libre-5.1.5-gnu/include/linux/smpboot.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/include/linux/smpboot.h	2019-05-31 09:43:59.000000000 -0400
@@ -29,7 +29,7 @@ struct smpboot_thread_data;
  * @thread_comm:	The base name of the thread
  */
 struct smp_hotplug_thread {
-	struct task_struct __percpu	**store;
+	struct task_struct		* __percpu *store;
 	struct list_head		list;
 	int				(*thread_should_run)(unsigned int cpu);
 	void				(*thread_fn)(unsigned int cpu);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/include/linux/time64.h linux-libre-5.1.6-gnu/include/linux/time64.h
--- linux-libre-5.1.5-gnu/include/linux/time64.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/include/linux/time64.h	2019-05-31 09:43:59.000000000 -0400
@@ -33,6 +33,17 @@ struct itimerspec64 {
 #define KTIME_MAX			((s64)~((u64)1 << 63))
 #define KTIME_SEC_MAX			(KTIME_MAX / NSEC_PER_SEC)
 
+/*
+ * Limits for settimeofday():
+ *
+ * To prevent setting the time close to the wraparound point time setting
+ * is limited so a reasonable uptime can be accomodated. Uptime of 30 years
+ * should be really sufficient, which means the cutoff is 2232. At that
+ * point the cutoff is just a small part of the larger problem.
+ */
+#define TIME_UPTIME_SEC_MAX		(30LL * 365 * 24 *3600)
+#define TIME_SETTOD_SEC_MAX		(KTIME_SEC_MAX - TIME_UPTIME_SEC_MAX)
+
 static inline int timespec64_equal(const struct timespec64 *a,
 				   const struct timespec64 *b)
 {
@@ -99,6 +110,16 @@ static inline bool timespec64_valid_stri
 		return false;
 	return true;
 }
+
+static inline bool timespec64_valid_settod(const struct timespec64 *ts)
+{
+	if (!timespec64_valid(ts))
+		return false;
+	/* Disallow values which cause overflow issues vs. CLOCK_REALTIME */
+	if ((unsigned long long)ts->tv_sec >= TIME_SETTOD_SEC_MAX)
+		return false;
+	return true;
+}
 
 /**
  * timespec64_to_ns - Convert timespec64 to nanoseconds
diff -druNp --no-dereference linux-libre-5.1.5-gnu/include/media/videobuf2-core.h linux-libre-5.1.6-gnu/include/media/videobuf2-core.h
--- linux-libre-5.1.5-gnu/include/media/videobuf2-core.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/include/media/videobuf2-core.h	2019-05-31 09:43:59.000000000 -0400
@@ -595,6 +595,7 @@ struct vb2_queue {
 	unsigned int			start_streaming_called:1;
 	unsigned int			error:1;
 	unsigned int			waiting_for_buffers:1;
+	unsigned int			waiting_in_dqbuf:1;
 	unsigned int			is_multiplanar:1;
 	unsigned int			is_output:1;
 	unsigned int			copy_timestamp:1;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/include/net/bluetooth/hci.h linux-libre-5.1.6-gnu/include/net/bluetooth/hci.h
--- linux-libre-5.1.5-gnu/include/net/bluetooth/hci.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/include/net/bluetooth/hci.h	2019-05-31 09:43:59.000000000 -0400
@@ -282,6 +282,7 @@ enum {
 	HCI_FORCE_BREDR_SMP,
 	HCI_FORCE_STATIC_ADDR,
 	HCI_LL_RPA_RESOLUTION,
+	HCI_CMD_PENDING,
 
 	__HCI_NUM_FLAGS,
 };
diff -druNp --no-dereference linux-libre-5.1.5-gnu/include/xen/xen.h linux-libre-5.1.6-gnu/include/xen/xen.h
--- linux-libre-5.1.5-gnu/include/xen/xen.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/include/xen/xen.h	2019-05-31 09:43:59.000000000 -0400
@@ -43,8 +43,10 @@ extern struct hvm_start_info pvh_start_i
 #endif	/* CONFIG_XEN_DOM0 */
 
 struct bio_vec;
+struct page;
+
 bool xen_biovec_phys_mergeable(const struct bio_vec *vec1,
-		const struct bio_vec *vec2);
+		const struct page *page);
 
 #if defined(CONFIG_MEMORY_HOTPLUG) && defined(CONFIG_XEN_BALLOON)
 extern u64 xen_saved_max_mem_size;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/kernel/acct.c linux-libre-5.1.6-gnu/kernel/acct.c
--- linux-libre-5.1.5-gnu/kernel/acct.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/kernel/acct.c	2019-05-31 09:43:59.000000000 -0400
@@ -227,7 +227,7 @@ static int acct_on(struct filename *path
 		filp_close(file, NULL);
 		return PTR_ERR(internal);
 	}
-	err = mnt_want_write(internal);
+	err = __mnt_want_write(internal);
 	if (err) {
 		mntput(internal);
 		kfree(acct);
@@ -252,7 +252,7 @@ static int acct_on(struct filename *path
 	old = xchg(&ns->bacct, &acct->pin);
 	mutex_unlock(&acct->lock);
 	pin_kill(old);
-	mnt_drop_write(mnt);
+	__mnt_drop_write(mnt);
 	mntput(mnt);
 	return 0;
 }
diff -druNp --no-dereference linux-libre-5.1.5-gnu/kernel/auditfilter.c linux-libre-5.1.6-gnu/kernel/auditfilter.c
--- linux-libre-5.1.5-gnu/kernel/auditfilter.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/kernel/auditfilter.c	2019-05-31 09:43:59.000000000 -0400
@@ -1114,22 +1114,24 @@ int audit_rule_change(int type, int seq,
 	int err = 0;
 	struct audit_entry *entry;
 
-	entry = audit_data_to_entry(data, datasz);
-	if (IS_ERR(entry))
-		return PTR_ERR(entry);
-
 	switch (type) {
 	case AUDIT_ADD_RULE:
+		entry = audit_data_to_entry(data, datasz);
+		if (IS_ERR(entry))
+			return PTR_ERR(entry);
 		err = audit_add_rule(entry);
 		audit_log_rule_change("add_rule", &entry->rule, !err);
 		break;
 	case AUDIT_DEL_RULE:
+		entry = audit_data_to_entry(data, datasz);
+		if (IS_ERR(entry))
+			return PTR_ERR(entry);
 		err = audit_del_rule(entry);
 		audit_log_rule_change("remove_rule", &entry->rule, !err);
 		break;
 	default:
-		err = -EINVAL;
 		WARN_ON(1);
+		return -EINVAL;
 	}
 
 	if (err || type == AUDIT_DEL_RULE) {
diff -druNp --no-dereference linux-libre-5.1.5-gnu/kernel/auditsc.c linux-libre-5.1.6-gnu/kernel/auditsc.c
--- linux-libre-5.1.5-gnu/kernel/auditsc.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/kernel/auditsc.c	2019-05-31 09:43:59.000000000 -0400
@@ -840,6 +840,13 @@ static inline void audit_proctitle_free(
 	context->proctitle.len = 0;
 }
 
+static inline void audit_free_module(struct audit_context *context)
+{
+	if (context->type == AUDIT_KERN_MODULE) {
+		kfree(context->module.name);
+		context->module.name = NULL;
+	}
+}
 static inline void audit_free_names(struct audit_context *context)
 {
 	struct audit_names *n, *next;
@@ -923,6 +930,7 @@ int audit_alloc(struct task_struct *tsk)
 
 static inline void audit_free_context(struct audit_context *context)
 {
+	audit_free_module(context);
 	audit_free_names(context);
 	unroll_tree_refs(context, NULL, 0);
 	free_tree_refs(context);
@@ -1266,7 +1274,6 @@ static void show_special(struct audit_co
 		audit_log_format(ab, "name=");
 		if (context->module.name) {
 			audit_log_untrustedstring(ab, context->module.name);
-			kfree(context->module.name);
 		} else
 			audit_log_format(ab, "(null)");
 
@@ -1697,6 +1704,7 @@ void __audit_syscall_exit(int success, l
 	context->in_syscall = 0;
 	context->prio = context->state == AUDIT_RECORD_CONTEXT ? ~0ULL : 0;
 
+	audit_free_module(context);
 	audit_free_names(context);
 	unroll_tree_refs(context, NULL, 0);
 	audit_free_aux(context);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/kernel/bpf/devmap.c linux-libre-5.1.6-gnu/kernel/bpf/devmap.c
--- linux-libre-5.1.5-gnu/kernel/bpf/devmap.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/kernel/bpf/devmap.c	2019-05-31 09:43:59.000000000 -0400
@@ -164,6 +164,9 @@ static void dev_map_free(struct bpf_map
 	bpf_clear_redirect_map(map);
 	synchronize_rcu();
 
+	/* Make sure prior __dev_map_entry_free() have completed. */
+	rcu_barrier();
+
 	/* To ensure all pending flush operations have completed wait for flush
 	 * bitmap to indicate all flush_needed bits to be zero on _all_ cpus.
 	 * Because the above synchronize_rcu() ensures the map is disconnected
diff -druNp --no-dereference linux-libre-5.1.5-gnu/kernel/cgroup/cgroup.c linux-libre-5.1.6-gnu/kernel/cgroup/cgroup.c
--- linux-libre-5.1.5-gnu/kernel/cgroup/cgroup.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/kernel/cgroup/cgroup.c	2019-05-31 09:43:59.000000000 -0400
@@ -4781,9 +4781,11 @@ static void css_release_work_fn(struct w
 		if (cgroup_on_dfl(cgrp))
 			cgroup_rstat_flush(cgrp);
 
+		spin_lock_irq(&css_set_lock);
 		for (tcgrp = cgroup_parent(cgrp); tcgrp;
 		     tcgrp = cgroup_parent(tcgrp))
 			tcgrp->nr_dying_descendants--;
+		spin_unlock_irq(&css_set_lock);
 
 		cgroup_idr_remove(&cgrp->root->cgroup_idr, cgrp->id);
 		cgrp->id = -1;
@@ -5001,12 +5003,14 @@ static struct cgroup *cgroup_create(stru
 	if (ret)
 		goto out_psi_free;
 
+	spin_lock_irq(&css_set_lock);
 	for (tcgrp = cgrp; tcgrp; tcgrp = cgroup_parent(tcgrp)) {
 		cgrp->ancestor_ids[tcgrp->level] = tcgrp->id;
 
 		if (tcgrp != cgrp)
 			tcgrp->nr_descendants++;
 	}
+	spin_unlock_irq(&css_set_lock);
 
 	if (notify_on_release(parent))
 		set_bit(CGRP_NOTIFY_ON_RELEASE, &cgrp->flags);
@@ -5291,10 +5295,12 @@ static int cgroup_destroy_locked(struct
 	if (parent && cgroup_is_threaded(cgrp))
 		parent->nr_threaded_children--;
 
+	spin_lock_irq(&css_set_lock);
 	for (tcgrp = cgroup_parent(cgrp); tcgrp; tcgrp = cgroup_parent(tcgrp)) {
 		tcgrp->nr_descendants--;
 		tcgrp->nr_dying_descendants++;
 	}
+	spin_unlock_irq(&css_set_lock);
 
 	cgroup1_check_for_release(parent);
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/kernel/irq_work.c linux-libre-5.1.6-gnu/kernel/irq_work.c
--- linux-libre-5.1.5-gnu/kernel/irq_work.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/kernel/irq_work.c	2019-05-31 09:43:59.000000000 -0400
@@ -56,61 +56,70 @@ void __weak arch_irq_work_raise(void)
 	 */
 }
 
-/*
- * Enqueue the irq_work @work on @cpu unless it's already pending
- * somewhere.
- *
- * Can be re-enqueued while the callback is still in progress.
- */
-bool irq_work_queue_on(struct irq_work *work, int cpu)
+/* Enqueue on current CPU, work must already be claimed and preempt disabled */
+static void __irq_work_queue_local(struct irq_work *work)
 {
-	/* All work should have been flushed before going offline */
-	WARN_ON_ONCE(cpu_is_offline(cpu));
-
-#ifdef CONFIG_SMP
-
-	/* Arch remote IPI send/receive backend aren't NMI safe */
-	WARN_ON_ONCE(in_nmi());
+	/* If the work is "lazy", handle it from next tick if any */
+	if (work->flags & IRQ_WORK_LAZY) {
+		if (llist_add(&work->llnode, this_cpu_ptr(&lazy_list)) &&
+		    tick_nohz_tick_stopped())
+			arch_irq_work_raise();
+	} else {
+		if (llist_add(&work->llnode, this_cpu_ptr(&raised_list)))
+			arch_irq_work_raise();
+	}
+}
 
+/* Enqueue the irq work @work on the current CPU */
+bool irq_work_queue(struct irq_work *work)
+{
 	/* Only queue if not already pending */
 	if (!irq_work_claim(work))
 		return false;
 
-	if (llist_add(&work->llnode, &per_cpu(raised_list, cpu)))
-		arch_send_call_function_single_ipi(cpu);
-
-#else /* #ifdef CONFIG_SMP */
-	irq_work_queue(work);
-#endif /* #else #ifdef CONFIG_SMP */
+	/* Queue the entry and raise the IPI if needed. */
+	preempt_disable();
+	__irq_work_queue_local(work);
+	preempt_enable();
 
 	return true;
 }
+EXPORT_SYMBOL_GPL(irq_work_queue);
 
-/* Enqueue the irq work @work on the current CPU */
-bool irq_work_queue(struct irq_work *work)
+/*
+ * Enqueue the irq_work @work on @cpu unless it's already pending
+ * somewhere.
+ *
+ * Can be re-enqueued while the callback is still in progress.
+ */
+bool irq_work_queue_on(struct irq_work *work, int cpu)
 {
+#ifndef CONFIG_SMP
+	return irq_work_queue(work);
+
+#else /* CONFIG_SMP: */
+	/* All work should have been flushed before going offline */
+	WARN_ON_ONCE(cpu_is_offline(cpu));
+
 	/* Only queue if not already pending */
 	if (!irq_work_claim(work))
 		return false;
 
-	/* Queue the entry and raise the IPI if needed. */
 	preempt_disable();
-
-	/* If the work is "lazy", handle it from next tick if any */
-	if (work->flags & IRQ_WORK_LAZY) {
-		if (llist_add(&work->llnode, this_cpu_ptr(&lazy_list)) &&
-		    tick_nohz_tick_stopped())
-			arch_irq_work_raise();
+	if (cpu != smp_processor_id()) {
+		/* Arch remote IPI send/receive backend aren't NMI safe */
+		WARN_ON_ONCE(in_nmi());
+		if (llist_add(&work->llnode, &per_cpu(raised_list, cpu)))
+			arch_send_call_function_single_ipi(cpu);
 	} else {
-		if (llist_add(&work->llnode, this_cpu_ptr(&raised_list)))
-			arch_irq_work_raise();
+		__irq_work_queue_local(work);
 	}
-
 	preempt_enable();
 
 	return true;
+#endif /* CONFIG_SMP */
 }
-EXPORT_SYMBOL_GPL(irq_work_queue);
+
 
 bool irq_work_needs_cpu(void)
 {
diff -druNp --no-dereference linux-libre-5.1.5-gnu/kernel/jump_label.c linux-libre-5.1.6-gnu/kernel/jump_label.c
--- linux-libre-5.1.5-gnu/kernel/jump_label.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/kernel/jump_label.c	2019-05-31 09:43:59.000000000 -0400
@@ -206,6 +206,8 @@ static void __static_key_slow_dec_cpuslo
 					   unsigned long rate_limit,
 					   struct delayed_work *work)
 {
+	int val;
+
 	lockdep_assert_cpus_held();
 
 	/*
@@ -215,17 +217,20 @@ static void __static_key_slow_dec_cpuslo
 	 * returns is unbalanced, because all other static_key_slow_inc()
 	 * instances block while the update is in progress.
 	 */
-	if (!atomic_dec_and_mutex_lock(&key->enabled, &jump_label_mutex)) {
-		WARN(atomic_read(&key->enabled) < 0,
-		     "jump label: negative count!\n");
+	val = atomic_fetch_add_unless(&key->enabled, -1, 1);
+	if (val != 1) {
+		WARN(val < 0, "jump label: negative count!\n");
 		return;
 	}
 
-	if (rate_limit) {
-		atomic_inc(&key->enabled);
-		schedule_delayed_work(work, rate_limit);
-	} else {
-		jump_label_update(key);
+	jump_label_lock();
+	if (atomic_dec_and_test(&key->enabled)) {
+		if (rate_limit) {
+			atomic_inc(&key->enabled);
+			schedule_delayed_work(work, rate_limit);
+		} else {
+			jump_label_update(key);
+		}
 	}
 	jump_label_unlock();
 }
diff -druNp --no-dereference linux-libre-5.1.5-gnu/kernel/module.c linux-libre-5.1.6-gnu/kernel/module.c
--- linux-libre-5.1.5-gnu/kernel/module.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/kernel/module.c	2019-05-31 09:43:59.000000000 -0400
@@ -1950,8 +1950,13 @@ void module_enable_ro(const struct modul
 		return;
 
 	frob_text(&mod->core_layout, set_memory_ro);
+	frob_text(&mod->core_layout, set_memory_x);
+
 	frob_rodata(&mod->core_layout, set_memory_ro);
+
 	frob_text(&mod->init_layout, set_memory_ro);
+	frob_text(&mod->init_layout, set_memory_x);
+
 	frob_rodata(&mod->init_layout, set_memory_ro);
 
 	if (after_init)
diff -druNp --no-dereference linux-libre-5.1.5-gnu/kernel/rcu/rcuperf.c linux-libre-5.1.6-gnu/kernel/rcu/rcuperf.c
--- linux-libre-5.1.5-gnu/kernel/rcu/rcuperf.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/kernel/rcu/rcuperf.c	2019-05-31 09:43:59.000000000 -0400
@@ -494,6 +494,10 @@ rcu_perf_cleanup(void)
 
 	if (torture_cleanup_begin())
 		return;
+	if (!cur_ops) {
+		torture_cleanup_end();
+		return;
+	}
 
 	if (reader_tasks) {
 		for (i = 0; i < nrealreaders; i++)
@@ -614,6 +618,7 @@ rcu_perf_init(void)
 		pr_cont("\n");
 		WARN_ON(!IS_MODULE(CONFIG_RCU_PERF_TEST));
 		firsterr = -EINVAL;
+		cur_ops = NULL;
 		goto unwind;
 	}
 	if (cur_ops->init)
diff -druNp --no-dereference linux-libre-5.1.5-gnu/kernel/rcu/rcutorture.c linux-libre-5.1.6-gnu/kernel/rcu/rcutorture.c
--- linux-libre-5.1.5-gnu/kernel/rcu/rcutorture.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/kernel/rcu/rcutorture.c	2019-05-31 09:43:59.000000000 -0400
@@ -2094,6 +2094,10 @@ rcu_torture_cleanup(void)
 			cur_ops->cb_barrier();
 		return;
 	}
+	if (!cur_ops) {
+		torture_cleanup_end();
+		return;
+	}
 
 	rcu_torture_barrier_cleanup();
 	torture_stop_kthread(rcu_torture_fwd_prog, fwd_prog_task);
@@ -2267,6 +2271,7 @@ rcu_torture_init(void)
 		pr_cont("\n");
 		WARN_ON(!IS_MODULE(CONFIG_RCU_TORTURE_TEST));
 		firsterr = -EINVAL;
+		cur_ops = NULL;
 		goto unwind;
 	}
 	if (cur_ops->fqs == NULL && fqs_duration != 0) {
diff -druNp --no-dereference linux-libre-5.1.5-gnu/kernel/sched/core.c linux-libre-5.1.6-gnu/kernel/sched/core.c
--- linux-libre-5.1.5-gnu/kernel/sched/core.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/kernel/sched/core.c	2019-05-31 09:43:59.000000000 -0400
@@ -6559,6 +6559,8 @@ static void cpu_cgroup_attach(struct cgr
 static int cpu_shares_write_u64(struct cgroup_subsys_state *css,
 				struct cftype *cftype, u64 shareval)
 {
+	if (shareval > scale_load_down(ULONG_MAX))
+		shareval = MAX_SHARES;
 	return sched_group_set_shares(css_tg(css), scale_load(shareval));
 }
 
@@ -6661,8 +6663,10 @@ int tg_set_cfs_quota(struct task_group *
 	period = ktime_to_ns(tg->cfs_bandwidth.period);
 	if (cfs_quota_us < 0)
 		quota = RUNTIME_INF;
-	else
+	else if ((u64)cfs_quota_us <= U64_MAX / NSEC_PER_USEC)
 		quota = (u64)cfs_quota_us * NSEC_PER_USEC;
+	else
+		return -EINVAL;
 
 	return tg_set_cfs_bandwidth(tg, period, quota);
 }
@@ -6684,6 +6688,9 @@ int tg_set_cfs_period(struct task_group
 {
 	u64 quota, period;
 
+	if ((u64)cfs_period_us > U64_MAX / NSEC_PER_USEC)
+		return -EINVAL;
+
 	period = (u64)cfs_period_us * NSEC_PER_USEC;
 	quota = tg->cfs_bandwidth.quota;
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/kernel/sched/fair.c linux-libre-5.1.6-gnu/kernel/sched/fair.c
--- linux-libre-5.1.5-gnu/kernel/sched/fair.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/kernel/sched/fair.c	2019-05-31 09:43:59.000000000 -0400
@@ -9551,22 +9551,26 @@ static inline int on_null_domain(struct
  * - When one of the busy CPUs notice that there may be an idle rebalancing
  *   needed, they will kick the idle load balancer, which then does idle
  *   load balancing for all the idle CPUs.
+ * - HK_FLAG_MISC CPUs are used for this task, because HK_FLAG_SCHED not set
+ *   anywhere yet.
  */
 
 static inline int find_new_ilb(void)
 {
-	int ilb = cpumask_first(nohz.idle_cpus_mask);
+	int ilb;
 
-	if (ilb < nr_cpu_ids && idle_cpu(ilb))
-		return ilb;
+	for_each_cpu_and(ilb, nohz.idle_cpus_mask,
+			      housekeeping_cpumask(HK_FLAG_MISC)) {
+		if (idle_cpu(ilb))
+			return ilb;
+	}
 
 	return nr_cpu_ids;
 }
 
 /*
- * Kick a CPU to do the nohz balancing, if it is time for it. We pick the
- * nohz_load_balancer CPU (if there is one) otherwise fallback to any idle
- * CPU (if there is one).
+ * Kick a CPU to do the nohz balancing, if it is time for it. We pick any
+ * idle CPU in the HK_FLAG_MISC housekeeping set (if there is one).
  */
 static void kick_ilb(unsigned int flags)
 {
diff -druNp --no-dereference linux-libre-5.1.5-gnu/kernel/sched/rt.c linux-libre-5.1.6-gnu/kernel/sched/rt.c
--- linux-libre-5.1.5-gnu/kernel/sched/rt.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/kernel/sched/rt.c	2019-05-31 09:43:59.000000000 -0400
@@ -2555,6 +2555,8 @@ int sched_group_set_rt_runtime(struct ta
 	rt_runtime = (u64)rt_runtime_us * NSEC_PER_USEC;
 	if (rt_runtime_us < 0)
 		rt_runtime = RUNTIME_INF;
+	else if ((u64)rt_runtime_us > U64_MAX / NSEC_PER_USEC)
+		return -EINVAL;
 
 	return tg_set_rt_bandwidth(tg, rt_period, rt_runtime);
 }
@@ -2575,6 +2577,9 @@ int sched_group_set_rt_period(struct tas
 {
 	u64 rt_runtime, rt_period;
 
+	if (rt_period_us > U64_MAX / NSEC_PER_USEC)
+		return -EINVAL;
+
 	rt_period = rt_period_us * NSEC_PER_USEC;
 	rt_runtime = tg->rt_bandwidth.rt_runtime;
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/kernel/time/time.c linux-libre-5.1.6-gnu/kernel/time/time.c
--- linux-libre-5.1.5-gnu/kernel/time/time.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/kernel/time/time.c	2019-05-31 09:43:59.000000000 -0400
@@ -171,7 +171,7 @@ int do_sys_settimeofday64(const struct t
 	static int firsttime = 1;
 	int error = 0;
 
-	if (tv && !timespec64_valid(tv))
+	if (tv && !timespec64_valid_settod(tv))
 		return -EINVAL;
 
 	error = security_settime64(tv, tz);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/kernel/time/timekeeping.c linux-libre-5.1.6-gnu/kernel/time/timekeeping.c
--- linux-libre-5.1.5-gnu/kernel/time/timekeeping.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/kernel/time/timekeeping.c	2019-05-31 09:43:59.000000000 -0400
@@ -1221,7 +1221,7 @@ int do_settimeofday64(const struct times
 	unsigned long flags;
 	int ret = 0;
 
-	if (!timespec64_valid_strict(ts))
+	if (!timespec64_valid_settod(ts))
 		return -EINVAL;
 
 	raw_spin_lock_irqsave(&timekeeper_lock, flags);
@@ -1278,7 +1278,7 @@ static int timekeeping_inject_offset(con
 	/* Make sure the proposed value is valid */
 	tmp = timespec64_add(tk_xtime(tk), *ts);
 	if (timespec64_compare(&tk->wall_to_monotonic, ts) > 0 ||
-	    !timespec64_valid_strict(&tmp)) {
+	    !timespec64_valid_settod(&tmp)) {
 		ret = -EINVAL;
 		goto error;
 	}
@@ -1527,7 +1527,7 @@ void __init timekeeping_init(void)
 	unsigned long flags;
 
 	read_persistent_wall_and_boot_offset(&wall_time, &boot_offset);
-	if (timespec64_valid_strict(&wall_time) &&
+	if (timespec64_valid_settod(&wall_time) &&
 	    timespec64_to_ns(&wall_time) > 0) {
 		persistent_clock_exists = true;
 	} else if (timespec64_to_ns(&wall_time) != 0) {
diff -druNp --no-dereference linux-libre-5.1.5-gnu/kernel/trace/trace_branch.c linux-libre-5.1.6-gnu/kernel/trace/trace_branch.c
--- linux-libre-5.1.5-gnu/kernel/trace/trace_branch.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/kernel/trace/trace_branch.c	2019-05-31 09:43:59.000000000 -0400
@@ -205,6 +205,8 @@ void trace_likely_condition(struct ftrac
 void ftrace_likely_update(struct ftrace_likely_data *f, int val,
 			  int expect, int is_constant)
 {
+	unsigned long flags = user_access_save();
+
 	/* A constant is always correct */
 	if (is_constant) {
 		f->constant++;
@@ -223,6 +225,8 @@ void ftrace_likely_update(struct ftrace_
 		f->data.correct++;
 	else
 		f->data.incorrect++;
+
+	user_access_restore(flags);
 }
 EXPORT_SYMBOL(ftrace_likely_update);
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/kernel/trace/trace_events_hist.c linux-libre-5.1.6-gnu/kernel/trace/trace_events_hist.c
--- linux-libre-5.1.5-gnu/kernel/trace/trace_events_hist.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/kernel/trace/trace_events_hist.c	2019-05-31 09:43:59.000000000 -0400
@@ -3543,14 +3543,20 @@ static bool cond_snapshot_update(struct
 	struct track_data *track_data = tr->cond_snapshot->cond_data;
 	struct hist_elt_data *elt_data, *track_elt_data;
 	struct snapshot_context *context = cond_data;
+	struct action_data *action;
 	u64 track_val;
 
 	if (!track_data)
 		return false;
 
+	action = track_data->action_data;
+
 	track_val = get_track_val(track_data->hist_data, context->elt,
 				  track_data->action_data);
 
+	if (!action->track_data.check_val(track_data->track_val, track_val))
+		return false;
+
 	track_data->track_val = track_val;
 	memcpy(track_data->key, context->key, track_data->key_len);
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/lib/kobject_uevent.c linux-libre-5.1.6-gnu/lib/kobject_uevent.c
--- linux-libre-5.1.5-gnu/lib/kobject_uevent.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/lib/kobject_uevent.c	2019-05-31 09:43:59.000000000 -0400
@@ -466,6 +466,13 @@ int kobject_uevent_env(struct kobject *k
 	int i = 0;
 	int retval = 0;
 
+	/*
+	 * Mark "remove" event done regardless of result, for some subsystems
+	 * do not want to re-trigger "remove" event via automatic cleanup.
+	 */
+	if (action == KOBJ_REMOVE)
+		kobj->state_remove_uevent_sent = 1;
+
 	pr_debug("kobject: '%s' (%p): %s\n",
 		 kobject_name(kobj), kobj, __func__);
 
@@ -567,10 +574,6 @@ int kobject_uevent_env(struct kobject *k
 		kobj->state_add_uevent_sent = 1;
 		break;
 
-	case KOBJ_REMOVE:
-		kobj->state_remove_uevent_sent = 1;
-		break;
-
 	case KOBJ_UNBIND:
 		zap_modalias_env(env);
 		break;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/lib/sbitmap.c linux-libre-5.1.6-gnu/lib/sbitmap.c
--- linux-libre-5.1.5-gnu/lib/sbitmap.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/lib/sbitmap.c	2019-05-31 09:43:59.000000000 -0400
@@ -435,7 +435,7 @@ static void sbitmap_queue_update_wake_ba
 		 * to ensure that the batch size is updated before the wait
 		 * counts.
 		 */
-		smp_mb__before_atomic();
+		smp_mb();
 		for (i = 0; i < SBQ_WAIT_QUEUES; i++)
 			atomic_set(&sbq->ws[i].wait_cnt, 1);
 	}
diff -druNp --no-dereference linux-libre-5.1.5-gnu/lib/strncpy_from_user.c linux-libre-5.1.6-gnu/lib/strncpy_from_user.c
--- linux-libre-5.1.5-gnu/lib/strncpy_from_user.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/lib/strncpy_from_user.c	2019-05-31 09:43:59.000000000 -0400
@@ -23,10 +23,11 @@
  * hit it), 'max' is the address space maximum (and we return
  * -EFAULT if we hit it).
  */
-static inline long do_strncpy_from_user(char *dst, const char __user *src, long count, unsigned long max)
+static inline long do_strncpy_from_user(char *dst, const char __user *src,
+					unsigned long count, unsigned long max)
 {
 	const struct word_at_a_time constants = WORD_AT_A_TIME_CONSTANTS;
-	long res = 0;
+	unsigned long res = 0;
 
 	/*
 	 * Truncate 'max' to the user-specified limit, so that
diff -druNp --no-dereference linux-libre-5.1.5-gnu/lib/strnlen_user.c linux-libre-5.1.6-gnu/lib/strnlen_user.c
--- linux-libre-5.1.5-gnu/lib/strnlen_user.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/lib/strnlen_user.c	2019-05-31 09:43:59.000000000 -0400
@@ -28,7 +28,7 @@
 static inline long do_strnlen_user(const char __user *src, unsigned long count, unsigned long max)
 {
 	const struct word_at_a_time constants = WORD_AT_A_TIME_CONSTANTS;
-	long align, res = 0;
+	unsigned long align, res = 0;
 	unsigned long c;
 
 	/*
@@ -42,7 +42,7 @@ static inline long do_strnlen_user(const
 	 * Do everything aligned. But that means that we
 	 * need to also expand the maximum..
 	 */
-	align = (sizeof(long) - 1) & (unsigned long)src;
+	align = (sizeof(unsigned long) - 1) & (unsigned long)src;
 	src -= align;
 	max += align;
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/Makefile linux-libre-5.1.6-gnu/Makefile
--- linux-libre-5.1.5-gnu/Makefile	2019-05-25 21:11:07.000000000 -0400
+++ linux-libre-5.1.6-gnu/Makefile	2019-05-31 15:02:54.000000000 -0400
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 5
 PATCHLEVEL = 1
-SUBLEVEL = 5
+SUBLEVEL = 6
 EXTRAVERSION = -gnu
 NAME = Shy Crocodile
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/net/batman-adv/distributed-arp-table.c linux-libre-5.1.6-gnu/net/batman-adv/distributed-arp-table.c
--- linux-libre-5.1.5-gnu/net/batman-adv/distributed-arp-table.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/net/batman-adv/distributed-arp-table.c	2019-05-31 09:43:59.000000000 -0400
@@ -1444,7 +1444,6 @@ bool batadv_dat_snoop_incoming_arp_reply
 			   hw_src, &ip_src, hw_dst, &ip_dst,
 			   dat_entry->mac_addr,	&dat_entry->ip);
 		dropped = true;
-		goto out;
 	}
 
 	/* Update our internal cache with both the IP addresses the node got
@@ -1453,6 +1452,9 @@ bool batadv_dat_snoop_incoming_arp_reply
 	batadv_dat_entry_add(bat_priv, ip_src, hw_src, vid);
 	batadv_dat_entry_add(bat_priv, ip_dst, hw_dst, vid);
 
+	if (dropped)
+		goto out;
+
 	/* If BLA is enabled, only forward ARP replies if we have claimed the
 	 * source of the ARP reply or if no one else of the same backbone has
 	 * already claimed that client. This prevents that different gateways
diff -druNp --no-dereference linux-libre-5.1.5-gnu/net/batman-adv/main.c linux-libre-5.1.6-gnu/net/batman-adv/main.c
--- linux-libre-5.1.5-gnu/net/batman-adv/main.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/net/batman-adv/main.c	2019-05-31 09:43:59.000000000 -0400
@@ -161,6 +161,7 @@ int batadv_mesh_init(struct net_device *
 	spin_lock_init(&bat_priv->tt.commit_lock);
 	spin_lock_init(&bat_priv->gw.list_lock);
 #ifdef CONFIG_BATMAN_ADV_MCAST
+	spin_lock_init(&bat_priv->mcast.mla_lock);
 	spin_lock_init(&bat_priv->mcast.want_lists_lock);
 #endif
 	spin_lock_init(&bat_priv->tvlv.container_list_lock);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/net/batman-adv/multicast.c linux-libre-5.1.6-gnu/net/batman-adv/multicast.c
--- linux-libre-5.1.5-gnu/net/batman-adv/multicast.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/net/batman-adv/multicast.c	2019-05-31 09:43:59.000000000 -0400
@@ -325,8 +325,6 @@ static void batadv_mcast_mla_list_free(s
  * translation table except the ones listed in the given mcast_list.
  *
  * If mcast_list is NULL then all are retracted.
- *
- * Do not call outside of the mcast worker! (or cancel mcast worker first)
  */
 static void batadv_mcast_mla_tt_retract(struct batadv_priv *bat_priv,
 					struct hlist_head *mcast_list)
@@ -334,8 +332,6 @@ static void batadv_mcast_mla_tt_retract(
 	struct batadv_hw_addr *mcast_entry;
 	struct hlist_node *tmp;
 
-	WARN_ON(delayed_work_pending(&bat_priv->mcast.work));
-
 	hlist_for_each_entry_safe(mcast_entry, tmp, &bat_priv->mcast.mla_list,
 				  list) {
 		if (mcast_list &&
@@ -359,8 +355,6 @@ static void batadv_mcast_mla_tt_retract(
  *
  * Adds multicast listener announcements from the given mcast_list to the
  * translation table if they have not been added yet.
- *
- * Do not call outside of the mcast worker! (or cancel mcast worker first)
  */
 static void batadv_mcast_mla_tt_add(struct batadv_priv *bat_priv,
 				    struct hlist_head *mcast_list)
@@ -368,8 +362,6 @@ static void batadv_mcast_mla_tt_add(stru
 	struct batadv_hw_addr *mcast_entry;
 	struct hlist_node *tmp;
 
-	WARN_ON(delayed_work_pending(&bat_priv->mcast.work));
-
 	if (!mcast_list)
 		return;
 
@@ -658,7 +650,10 @@ static void batadv_mcast_mla_update(stru
 	priv_mcast = container_of(delayed_work, struct batadv_priv_mcast, work);
 	bat_priv = container_of(priv_mcast, struct batadv_priv, mcast);
 
+	spin_lock(&bat_priv->mcast.mla_lock);
 	__batadv_mcast_mla_update(bat_priv);
+	spin_unlock(&bat_priv->mcast.mla_lock);
+
 	batadv_mcast_start_timer(bat_priv);
 }
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/net/batman-adv/types.h linux-libre-5.1.6-gnu/net/batman-adv/types.h
--- linux-libre-5.1.5-gnu/net/batman-adv/types.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/net/batman-adv/types.h	2019-05-31 09:43:59.000000000 -0400
@@ -1224,6 +1224,11 @@ struct batadv_priv_mcast {
 	unsigned char bridged:1;
 
 	/**
+	 * @mla_lock: a lock protecting mla_list and mla_flags
+	 */
+	spinlock_t mla_lock;
+
+	/**
 	 * @num_want_all_unsnoopables: number of nodes wanting unsnoopable IP
 	 *  traffic
 	 */
diff -druNp --no-dereference linux-libre-5.1.5-gnu/net/bluetooth/hci_core.c linux-libre-5.1.6-gnu/net/bluetooth/hci_core.c
--- linux-libre-5.1.5-gnu/net/bluetooth/hci_core.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/net/bluetooth/hci_core.c	2019-05-31 09:43:59.000000000 -0400
@@ -4383,6 +4383,9 @@ void hci_req_cmd_complete(struct hci_dev
 		return;
 	}
 
+	/* If we reach this point this event matches the last command sent */
+	hci_dev_clear_flag(hdev, HCI_CMD_PENDING);
+
 	/* If the command succeeded and there's still more commands in
 	 * this request the request is not yet complete.
 	 */
@@ -4493,6 +4496,8 @@ static void hci_cmd_work(struct work_str
 
 		hdev->sent_cmd = skb_clone(skb, GFP_KERNEL);
 		if (hdev->sent_cmd) {
+			if (hci_req_status_pend(hdev))
+				hci_dev_set_flag(hdev, HCI_CMD_PENDING);
 			atomic_dec(&hdev->cmd_cnt);
 			hci_send_frame(hdev, skb);
 			if (test_bit(HCI_RESET, &hdev->flags))
diff -druNp --no-dereference linux-libre-5.1.5-gnu/net/bluetooth/hci_event.c linux-libre-5.1.6-gnu/net/bluetooth/hci_event.c
--- linux-libre-5.1.5-gnu/net/bluetooth/hci_event.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/net/bluetooth/hci_event.c	2019-05-31 09:43:59.000000000 -0400
@@ -3404,6 +3404,12 @@ static void hci_cmd_complete_evt(struct
 	hci_req_cmd_complete(hdev, *opcode, *status, req_complete,
 			     req_complete_skb);
 
+	if (hci_dev_test_flag(hdev, HCI_CMD_PENDING)) {
+		bt_dev_err(hdev,
+			   "unexpected event for opcode 0x%4.4x", *opcode);
+		return;
+	}
+
 	if (atomic_read(&hdev->cmd_cnt) && !skb_queue_empty(&hdev->cmd_q))
 		queue_work(hdev->workqueue, &hdev->cmd_work);
 }
@@ -3511,6 +3517,12 @@ static void hci_cmd_status_evt(struct hc
 		hci_req_cmd_complete(hdev, *opcode, ev->status, req_complete,
 				     req_complete_skb);
 
+	if (hci_dev_test_flag(hdev, HCI_CMD_PENDING)) {
+		bt_dev_err(hdev,
+			   "unexpected event for opcode 0x%4.4x", *opcode);
+		return;
+	}
+
 	if (atomic_read(&hdev->cmd_cnt) && !skb_queue_empty(&hdev->cmd_q))
 		queue_work(hdev->workqueue, &hdev->cmd_work);
 }
diff -druNp --no-dereference linux-libre-5.1.5-gnu/net/bluetooth/hci_request.c linux-libre-5.1.6-gnu/net/bluetooth/hci_request.c
--- linux-libre-5.1.5-gnu/net/bluetooth/hci_request.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/net/bluetooth/hci_request.c	2019-05-31 09:43:59.000000000 -0400
@@ -46,6 +46,11 @@ void hci_req_purge(struct hci_request *r
 	skb_queue_purge(&req->cmd_q);
 }
 
+bool hci_req_status_pend(struct hci_dev *hdev)
+{
+	return hdev->req_status == HCI_REQ_PEND;
+}
+
 static int req_run(struct hci_request *req, hci_req_complete_t complete,
 		   hci_req_complete_skb_t complete_skb)
 {
diff -druNp --no-dereference linux-libre-5.1.5-gnu/net/bluetooth/hci_request.h linux-libre-5.1.6-gnu/net/bluetooth/hci_request.h
--- linux-libre-5.1.5-gnu/net/bluetooth/hci_request.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/net/bluetooth/hci_request.h	2019-05-31 09:43:59.000000000 -0400
@@ -37,6 +37,7 @@ struct hci_request {
 
 void hci_req_init(struct hci_request *req, struct hci_dev *hdev);
 void hci_req_purge(struct hci_request *req);
+bool hci_req_status_pend(struct hci_dev *hdev);
 int hci_req_run(struct hci_request *req, hci_req_complete_t complete);
 int hci_req_run_skb(struct hci_request *req, hci_req_complete_skb_t complete);
 void hci_req_add(struct hci_request *req, u16 opcode, u32 plen,
diff -druNp --no-dereference linux-libre-5.1.5-gnu/net/mac80211/mlme.c linux-libre-5.1.6-gnu/net/mac80211/mlme.c
--- linux-libre-5.1.5-gnu/net/mac80211/mlme.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/net/mac80211/mlme.c	2019-05-31 09:43:59.000000000 -0400
@@ -1188,9 +1188,6 @@ static void ieee80211_chswitch_work(stru
 		goto out;
 	}
 
-	/* XXX: shouldn't really modify cfg80211-owned data! */
-	ifmgd->associated->channel = sdata->csa_chandef.chan;
-
 	ifmgd->csa_waiting_bcn = true;
 
 	ieee80211_sta_reset_beacon_monitor(sdata);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/net/netfilter/nf_conntrack_netlink.c linux-libre-5.1.6-gnu/net/netfilter/nf_conntrack_netlink.c
--- linux-libre-5.1.5-gnu/net/netfilter/nf_conntrack_netlink.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/net/netfilter/nf_conntrack_netlink.c	2019-05-31 09:43:59.000000000 -0400
@@ -1254,7 +1254,7 @@ static int ctnetlink_del_conntrack(struc
 	struct nf_conntrack_tuple tuple;
 	struct nf_conn *ct;
 	struct nfgenmsg *nfmsg = nlmsg_data(nlh);
-	u_int8_t u3 = nfmsg->nfgen_family;
+	u_int8_t u3 = nfmsg->version ? nfmsg->nfgen_family : AF_UNSPEC;
 	struct nf_conntrack_zone zone;
 	int err;
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/net/wireless/nl80211.c linux-libre-5.1.6-gnu/net/wireless/nl80211.c
--- linux-libre-5.1.5-gnu/net/wireless/nl80211.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/net/wireless/nl80211.c	2019-05-31 09:43:59.000000000 -0400
@@ -15727,6 +15727,11 @@ void cfg80211_ch_switch_notify(struct ne
 
 	wdev->chandef = *chandef;
 	wdev->preset_chandef = *chandef;
+
+	if (wdev->iftype == NL80211_IFTYPE_STATION &&
+	    !WARN_ON(!wdev->current_bss))
+		wdev->current_bss->pub.channel = chandef->chan;
+
 	nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
 				 NL80211_CMD_CH_SWITCH_NOTIFY, 0);
 }
diff -druNp --no-dereference linux-libre-5.1.5-gnu/samples/bpf/asm_goto_workaround.h linux-libre-5.1.6-gnu/samples/bpf/asm_goto_workaround.h
--- linux-libre-5.1.5-gnu/samples/bpf/asm_goto_workaround.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/samples/bpf/asm_goto_workaround.h	2019-05-31 09:43:59.000000000 -0400
@@ -13,4 +13,5 @@
 #define asm_volatile_goto(x...) asm volatile("invalid use of asm_volatile_goto")
 #endif
 
+#define volatile(x...) volatile("")
 #endif
diff -druNp --no-dereference linux-libre-5.1.5-gnu/security/selinux/netlabel.c linux-libre-5.1.6-gnu/security/selinux/netlabel.c
--- linux-libre-5.1.5-gnu/security/selinux/netlabel.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/security/selinux/netlabel.c	2019-05-31 09:43:59.000000000 -0400
@@ -288,11 +288,8 @@ int selinux_netlbl_sctp_assoc_request(st
 	int rc;
 	struct netlbl_lsm_secattr secattr;
 	struct sk_security_struct *sksec = ep->base.sk->sk_security;
-	struct sockaddr *addr;
 	struct sockaddr_in addr4;
-#if IS_ENABLED(CONFIG_IPV6)
 	struct sockaddr_in6 addr6;
-#endif
 
 	if (ep->base.sk->sk_family != PF_INET &&
 				ep->base.sk->sk_family != PF_INET6)
@@ -310,16 +307,15 @@ int selinux_netlbl_sctp_assoc_request(st
 	if (ip_hdr(skb)->version == 4) {
 		addr4.sin_family = AF_INET;
 		addr4.sin_addr.s_addr = ip_hdr(skb)->saddr;
-		addr = (struct sockaddr *)&addr4;
-#if IS_ENABLED(CONFIG_IPV6)
-	} else {
+		rc = netlbl_conn_setattr(ep->base.sk, (void *)&addr4, &secattr);
+	} else if (IS_ENABLED(CONFIG_IPV6) && ip_hdr(skb)->version == 6) {
 		addr6.sin6_family = AF_INET6;
 		addr6.sin6_addr = ipv6_hdr(skb)->saddr;
-		addr = (struct sockaddr *)&addr6;
-#endif
+		rc = netlbl_conn_setattr(ep->base.sk, (void *)&addr6, &secattr);
+	} else {
+		rc = -EAFNOSUPPORT;
 	}
 
-	rc = netlbl_conn_setattr(ep->base.sk, addr, &secattr);
 	if (rc == 0)
 		sksec->nlbl_state = NLBL_LABELED;
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/sound/pci/hda/hda_codec.c linux-libre-5.1.6-gnu/sound/pci/hda/hda_codec.c
--- linux-libre-5.1.5-gnu/sound/pci/hda/hda_codec.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/sound/pci/hda/hda_codec.c	2019-05-31 09:43:59.000000000 -0400
@@ -832,7 +832,13 @@ static int snd_hda_codec_dev_free(struct
 	struct hda_codec *codec = device->device_data;
 
 	codec->in_freeing = 1;
-	snd_hdac_device_unregister(&codec->core);
+	/*
+	 * snd_hda_codec_device_new() is used by legacy HDA and ASoC driver.
+	 * We can't unregister ASoC device since it will be unregistered in
+	 * snd_hdac_ext_bus_device_remove().
+	 */
+	if (codec->core.type == HDA_DEV_LEGACY)
+		snd_hdac_device_unregister(&codec->core);
 	codec_display_power(codec, false);
 	put_device(hda_codec_dev(codec));
 	return 0;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/sound/soc/codecs/hdmi-codec.c linux-libre-5.1.6-gnu/sound/soc/codecs/hdmi-codec.c
--- linux-libre-5.1.5-gnu/sound/soc/codecs/hdmi-codec.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/sound/soc/codecs/hdmi-codec.c	2019-05-31 09:43:59.000000000 -0400
@@ -439,8 +439,12 @@ static int hdmi_codec_startup(struct snd
 		if (!ret) {
 			ret = snd_pcm_hw_constraint_eld(substream->runtime,
 							hcp->eld);
-			if (ret)
+			if (ret) {
+				mutex_lock(&hcp->current_stream_lock);
+				hcp->current_stream = NULL;
+				mutex_unlock(&hcp->current_stream_lock);
 				return ret;
+			}
 		}
 		/* Select chmap supported */
 		hdmi_codec_eld_chmap(hcp);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/sound/soc/codecs/wcd9335.c linux-libre-5.1.6-gnu/sound/soc/codecs/wcd9335.c
--- linux-libre-5.1.5-gnu/sound/soc/codecs/wcd9335.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/sound/soc/codecs/wcd9335.c	2019-05-31 09:43:59.000000000 -0400
@@ -5188,6 +5188,7 @@ static int wcd9335_slim_status(struct sl
 
 	wcd->slim = sdev;
 	wcd->slim_ifc_dev = of_slim_get_device(sdev->ctrl, ifc_dev_np);
+	of_node_put(ifc_dev_np);
 	if (!wcd->slim_ifc_dev) {
 		dev_err(dev, "Unable to get SLIM Interface device\n");
 		return -EINVAL;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/sound/soc/fsl/eukrea-tlv320.c linux-libre-5.1.6-gnu/sound/soc/fsl/eukrea-tlv320.c
--- linux-libre-5.1.5-gnu/sound/soc/fsl/eukrea-tlv320.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/sound/soc/fsl/eukrea-tlv320.c	2019-05-31 09:43:59.000000000 -0400
@@ -118,13 +118,13 @@ static int eukrea_tlv320_probe(struct pl
 		if (ret) {
 			dev_err(&pdev->dev,
 				"fsl,mux-int-port node missing or invalid.\n");
-			return ret;
+			goto err;
 		}
 		ret = of_property_read_u32(np, "fsl,mux-ext-port", &ext_port);
 		if (ret) {
 			dev_err(&pdev->dev,
 				"fsl,mux-ext-port node missing or invalid.\n");
-			return ret;
+			goto err;
 		}
 
 		/*
diff -druNp --no-dereference linux-libre-5.1.5-gnu/sound/soc/fsl/fsl_sai.c linux-libre-5.1.6-gnu/sound/soc/fsl/fsl_sai.c
--- linux-libre-5.1.5-gnu/sound/soc/fsl/fsl_sai.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/sound/soc/fsl/fsl_sai.c	2019-05-31 09:43:59.000000000 -0400
@@ -268,12 +268,14 @@ static int fsl_sai_set_dai_fmt_tr(struct
 	case SND_SOC_DAIFMT_CBS_CFS:
 		val_cr2 |= FSL_SAI_CR2_BCD_MSTR;
 		val_cr4 |= FSL_SAI_CR4_FSD_MSTR;
+		sai->is_slave_mode = false;
 		break;
 	case SND_SOC_DAIFMT_CBM_CFM:
 		sai->is_slave_mode = true;
 		break;
 	case SND_SOC_DAIFMT_CBS_CFM:
 		val_cr2 |= FSL_SAI_CR2_BCD_MSTR;
+		sai->is_slave_mode = false;
 		break;
 	case SND_SOC_DAIFMT_CBM_CFS:
 		val_cr4 |= FSL_SAI_CR4_FSD_MSTR;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/sound/soc/fsl/fsl_utils.c linux-libre-5.1.6-gnu/sound/soc/fsl/fsl_utils.c
--- linux-libre-5.1.5-gnu/sound/soc/fsl/fsl_utils.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/sound/soc/fsl/fsl_utils.c	2019-05-31 09:43:59.000000000 -0400
@@ -71,6 +71,7 @@ int fsl_asoc_get_dma_channel(struct devi
 	iprop = of_get_property(dma_np, "cell-index", NULL);
 	if (!iprop) {
 		of_node_put(dma_np);
+		of_node_put(dma_channel_np);
 		return -EINVAL;
 	}
 	*dma_id = be32_to_cpup(iprop);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/sound/soc/fsl/Kconfig linux-libre-5.1.6-gnu/sound/soc/fsl/Kconfig
--- linux-libre-5.1.5-gnu/sound/soc/fsl/Kconfig	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/sound/soc/fsl/Kconfig	2019-05-31 09:43:59.000000000 -0400
@@ -182,16 +182,17 @@ config SND_MPC52xx_SOC_EFIKA
 
 endif # SND_POWERPC_SOC
 
+config SND_SOC_IMX_PCM_FIQ
+	tristate
+	default y if SND_SOC_IMX_SSI=y && (SND_SOC_FSL_SSI=m || SND_SOC_FSL_SPDIF=m) && (MXC_TZIC || MXC_AVIC)
+	select FIQ
+
 if SND_IMX_SOC
 
 config SND_SOC_IMX_SSI
 	tristate
 	select SND_SOC_FSL_UTILS
 
-config SND_SOC_IMX_PCM_FIQ
-	tristate
-	select FIQ
-
 comment "SoC Audio support for Freescale i.MX boards:"
 
 config SND_MXC_SOC_WM1133_EV1
diff -druNp --no-dereference linux-libre-5.1.5-gnu/sound/soc/intel/boards/kbl_da7219_max98357a.c linux-libre-5.1.6-gnu/sound/soc/intel/boards/kbl_da7219_max98357a.c
--- linux-libre-5.1.5-gnu/sound/soc/intel/boards/kbl_da7219_max98357a.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/sound/soc/intel/boards/kbl_da7219_max98357a.c	2019-05-31 09:43:59.000000000 -0400
@@ -188,7 +188,7 @@ static int kabylake_da7219_codec_init(st
 
 	jack = &ctx->kabylake_headset;
 
-	snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_MEDIA);
+	snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
 	snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOLUMEUP);
 	snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN);
 	snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOICECOMMAND);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/sound/soc/soc-core.c linux-libre-5.1.6-gnu/sound/soc/soc-core.c
--- linux-libre-5.1.5-gnu/sound/soc/soc-core.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/sound/soc/soc-core.c	2019-05-31 09:43:59.000000000 -0400
@@ -2828,10 +2828,21 @@ EXPORT_SYMBOL_GPL(snd_soc_register_card)
 
 static void snd_soc_unbind_card(struct snd_soc_card *card, bool unregister)
 {
+	struct snd_soc_pcm_runtime *rtd;
+	int order;
+
 	if (card->instantiated) {
 		card->instantiated = false;
 		snd_soc_dapm_shutdown(card);
 		snd_soc_flush_all_delayed_work(card);
+
+		/* remove all components used by DAI links on this card */
+		for_each_comp_order(order) {
+			for_each_card_rtds(card, rtd) {
+				soc_remove_link_components(card, rtd, order);
+			}
+		}
+
 		soc_cleanup_card_resources(card);
 		if (!unregister)
 			list_add(&card->list, &unbind_card_list);
diff -druNp --no-dereference linux-libre-5.1.5-gnu/sound/soc/ti/davinci-mcasp.c linux-libre-5.1.6-gnu/sound/soc/ti/davinci-mcasp.c
--- linux-libre-5.1.5-gnu/sound/soc/ti/davinci-mcasp.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/sound/soc/ti/davinci-mcasp.c	2019-05-31 09:43:59.000000000 -0400
@@ -45,6 +45,7 @@
 
 #define MCASP_MAX_AFIFO_DEPTH	64
 
+#ifdef CONFIG_PM
 static u32 context_regs[] = {
 	DAVINCI_MCASP_TXFMCTL_REG,
 	DAVINCI_MCASP_RXFMCTL_REG,
@@ -68,6 +69,7 @@ struct davinci_mcasp_context {
 	u32	*xrsr_regs; /* for serializer configuration */
 	bool	pm_state;
 };
+#endif
 
 struct davinci_mcasp_ruledata {
 	struct davinci_mcasp *mcasp;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/sound/soc/ti/Kconfig linux-libre-5.1.6-gnu/sound/soc/ti/Kconfig
--- linux-libre-5.1.5-gnu/sound/soc/ti/Kconfig	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/sound/soc/ti/Kconfig	2019-05-31 09:43:59.000000000 -0400
@@ -21,8 +21,8 @@ config SND_SOC_DAVINCI_ASP
 
 config SND_SOC_DAVINCI_MCASP
 	tristate "Multichannel Audio Serial Port (McASP) support"
-	select SND_SOC_TI_EDMA_PCM if TI_EDMA
-	select SND_SOC_TI_SDMA_PCM if DMA_OMAP
+	select SND_SOC_TI_EDMA_PCM
+	select SND_SOC_TI_SDMA_PCM
 	help
 	  Say Y or M here if you want to have support for McASP IP found in
 	  various Texas Instruments SoCs like:
diff -druNp --no-dereference linux-libre-5.1.5-gnu/tools/bpf/bpftool/.gitignore linux-libre-5.1.6-gnu/tools/bpf/bpftool/.gitignore
--- linux-libre-5.1.5-gnu/tools/bpf/bpftool/.gitignore	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/tools/bpf/bpftool/.gitignore	2019-05-31 09:43:59.000000000 -0400
@@ -1,5 +1,5 @@
 *.d
-bpftool
+/bpftool
 bpftool*.8
 bpf-helpers.*
 FEATURE-DUMP.bpftool
diff -druNp --no-dereference linux-libre-5.1.5-gnu/tools/lib/bpf/bpf.c linux-libre-5.1.6-gnu/tools/lib/bpf/bpf.c
--- linux-libre-5.1.5-gnu/tools/lib/bpf/bpf.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/tools/lib/bpf/bpf.c	2019-05-31 09:43:59.000000000 -0400
@@ -46,6 +46,8 @@
 #  define __NR_bpf 349
 # elif defined(__s390__)
 #  define __NR_bpf 351
+# elif defined(__arc__)
+#  define __NR_bpf 280
 # else
 #  error __NR_bpf not defined. libbpf does not support your arch.
 # endif
diff -druNp --no-dereference linux-libre-5.1.5-gnu/tools/lib/bpf/bpf.h linux-libre-5.1.6-gnu/tools/lib/bpf/bpf.h
--- linux-libre-5.1.5-gnu/tools/lib/bpf/bpf.h	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/tools/lib/bpf/bpf.h	2019-05-31 09:43:59.000000000 -0400
@@ -26,6 +26,7 @@
 #include <linux/bpf.h>
 #include <stdbool.h>
 #include <stddef.h>
+#include <stdint.h>
 
 #ifdef __cplusplus
 extern "C" {
diff -druNp --no-dereference linux-libre-5.1.5-gnu/tools/lib/bpf/xsk.c linux-libre-5.1.6-gnu/tools/lib/bpf/xsk.c
--- linux-libre-5.1.5-gnu/tools/lib/bpf/xsk.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/tools/lib/bpf/xsk.c	2019-05-31 09:43:59.000000000 -0400
@@ -248,8 +248,7 @@ int xsk_umem__create(struct xsk_umem **u
 	return 0;
 
 out_mmap:
-	munmap(umem->fill,
-	       off.fr.desc + umem->config.fill_size * sizeof(__u64));
+	munmap(map, off.fr.desc + umem->config.fill_size * sizeof(__u64));
 out_socket:
 	close(umem->fd);
 out_umem_alloc:
@@ -523,11 +522,11 @@ int xsk_socket__create(struct xsk_socket
 		       struct xsk_ring_cons *rx, struct xsk_ring_prod *tx,
 		       const struct xsk_socket_config *usr_config)
 {
+	void *rx_map = NULL, *tx_map = NULL;
 	struct sockaddr_xdp sxdp = {};
 	struct xdp_mmap_offsets off;
 	struct xsk_socket *xsk;
 	socklen_t optlen;
-	void *map;
 	int err;
 
 	if (!umem || !xsk_ptr || !rx || !tx)
@@ -593,40 +592,40 @@ int xsk_socket__create(struct xsk_socket
 	}
 
 	if (rx) {
-		map = xsk_mmap(NULL, off.rx.desc +
-			       xsk->config.rx_size * sizeof(struct xdp_desc),
-			       PROT_READ | PROT_WRITE,
-			       MAP_SHARED | MAP_POPULATE,
-			       xsk->fd, XDP_PGOFF_RX_RING);
-		if (map == MAP_FAILED) {
+		rx_map = xsk_mmap(NULL, off.rx.desc +
+				  xsk->config.rx_size * sizeof(struct xdp_desc),
+				  PROT_READ | PROT_WRITE,
+				  MAP_SHARED | MAP_POPULATE,
+				  xsk->fd, XDP_PGOFF_RX_RING);
+		if (rx_map == MAP_FAILED) {
 			err = -errno;
 			goto out_socket;
 		}
 
 		rx->mask = xsk->config.rx_size - 1;
 		rx->size = xsk->config.rx_size;
-		rx->producer = map + off.rx.producer;
-		rx->consumer = map + off.rx.consumer;
-		rx->ring = map + off.rx.desc;
+		rx->producer = rx_map + off.rx.producer;
+		rx->consumer = rx_map + off.rx.consumer;
+		rx->ring = rx_map + off.rx.desc;
 	}
 	xsk->rx = rx;
 
 	if (tx) {
-		map = xsk_mmap(NULL, off.tx.desc +
-			       xsk->config.tx_size * sizeof(struct xdp_desc),
-			       PROT_READ | PROT_WRITE,
-			       MAP_SHARED | MAP_POPULATE,
-			       xsk->fd, XDP_PGOFF_TX_RING);
-		if (map == MAP_FAILED) {
+		tx_map = xsk_mmap(NULL, off.tx.desc +
+				  xsk->config.tx_size * sizeof(struct xdp_desc),
+				  PROT_READ | PROT_WRITE,
+				  MAP_SHARED | MAP_POPULATE,
+				  xsk->fd, XDP_PGOFF_TX_RING);
+		if (tx_map == MAP_FAILED) {
 			err = -errno;
 			goto out_mmap_rx;
 		}
 
 		tx->mask = xsk->config.tx_size - 1;
 		tx->size = xsk->config.tx_size;
-		tx->producer = map + off.tx.producer;
-		tx->consumer = map + off.tx.consumer;
-		tx->ring = map + off.tx.desc;
+		tx->producer = tx_map + off.tx.producer;
+		tx->consumer = tx_map + off.tx.consumer;
+		tx->ring = tx_map + off.tx.desc;
 		tx->cached_cons = xsk->config.tx_size;
 	}
 	xsk->tx = tx;
@@ -653,13 +652,11 @@ int xsk_socket__create(struct xsk_socket
 
 out_mmap_tx:
 	if (tx)
-		munmap(xsk->tx,
-		       off.tx.desc +
+		munmap(tx_map, off.tx.desc +
 		       xsk->config.tx_size * sizeof(struct xdp_desc));
 out_mmap_rx:
 	if (rx)
-		munmap(xsk->rx,
-		       off.rx.desc +
+		munmap(rx_map, off.rx.desc +
 		       xsk->config.rx_size * sizeof(struct xdp_desc));
 out_socket:
 	if (--umem->refcount)
@@ -684,10 +681,12 @@ int xsk_umem__delete(struct xsk_umem *um
 	optlen = sizeof(off);
 	err = getsockopt(umem->fd, SOL_XDP, XDP_MMAP_OFFSETS, &off, &optlen);
 	if (!err) {
-		munmap(umem->fill->ring,
-		       off.fr.desc + umem->config.fill_size * sizeof(__u64));
-		munmap(umem->comp->ring,
-		       off.cr.desc + umem->config.comp_size * sizeof(__u64));
+		(void)munmap(umem->fill->ring - off.fr.desc,
+			     off.fr.desc +
+			     umem->config.fill_size * sizeof(__u64));
+		(void)munmap(umem->comp->ring - off.cr.desc,
+			     off.cr.desc +
+			     umem->config.comp_size * sizeof(__u64));
 	}
 
 	close(umem->fd);
@@ -698,6 +697,7 @@ int xsk_umem__delete(struct xsk_umem *um
 
 void xsk_socket__delete(struct xsk_socket *xsk)
 {
+	size_t desc_sz = sizeof(struct xdp_desc);
 	struct xdp_mmap_offsets off;
 	socklen_t optlen;
 	int err;
@@ -710,14 +710,17 @@ void xsk_socket__delete(struct xsk_socke
 	optlen = sizeof(off);
 	err = getsockopt(xsk->fd, SOL_XDP, XDP_MMAP_OFFSETS, &off, &optlen);
 	if (!err) {
-		if (xsk->rx)
-			munmap(xsk->rx->ring,
-			       off.rx.desc +
-			       xsk->config.rx_size * sizeof(struct xdp_desc));
-		if (xsk->tx)
-			munmap(xsk->tx->ring,
-			       off.tx.desc +
-			       xsk->config.tx_size * sizeof(struct xdp_desc));
+		if (xsk->rx) {
+			(void)munmap(xsk->rx->ring - off.rx.desc,
+				     off.rx.desc +
+				     xsk->config.rx_size * desc_sz);
+		}
+		if (xsk->tx) {
+			(void)munmap(xsk->tx->ring - off.tx.desc,
+				     off.tx.desc +
+				     xsk->config.tx_size * desc_sz);
+		}
+
 	}
 
 	xsk->umem->refcount--;
diff -druNp --no-dereference linux-libre-5.1.5-gnu/tools/testing/selftests/bpf/test_libbpf_open.c linux-libre-5.1.6-gnu/tools/testing/selftests/bpf/test_libbpf_open.c
--- linux-libre-5.1.5-gnu/tools/testing/selftests/bpf/test_libbpf_open.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/tools/testing/selftests/bpf/test_libbpf_open.c	2019-05-31 09:43:59.000000000 -0400
@@ -11,6 +11,8 @@ static const char *__doc__ =
 #include <bpf/libbpf.h>
 #include <getopt.h>
 
+#include "bpf_rlimit.h"
+
 static const struct option long_options[] = {
 	{"help",	no_argument,		NULL, 'h' },
 	{"debug",	no_argument,		NULL, 'D' },
diff -druNp --no-dereference linux-libre-5.1.5-gnu/tools/testing/selftests/bpf/trace_helpers.c linux-libre-5.1.6-gnu/tools/testing/selftests/bpf/trace_helpers.c
--- linux-libre-5.1.5-gnu/tools/testing/selftests/bpf/trace_helpers.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/tools/testing/selftests/bpf/trace_helpers.c	2019-05-31 09:43:59.000000000 -0400
@@ -52,6 +52,10 @@ struct ksym *ksym_search(long key)
 	int start = 0, end = sym_cnt;
 	int result;
 
+	/* kallsyms not loaded. return NULL */
+	if (sym_cnt <= 0)
+		return NULL;
+
 	while (start < end) {
 		size_t mid = start + (end - start) / 2;
 
diff -druNp --no-dereference linux-libre-5.1.5-gnu/tools/testing/selftests/cgroup/test_memcontrol.c linux-libre-5.1.6-gnu/tools/testing/selftests/cgroup/test_memcontrol.c
--- linux-libre-5.1.5-gnu/tools/testing/selftests/cgroup/test_memcontrol.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/tools/testing/selftests/cgroup/test_memcontrol.c	2019-05-31 09:43:59.000000000 -0400
@@ -26,7 +26,7 @@
  */
 static int test_memcg_subtree_control(const char *root)
 {
-	char *parent, *child, *parent2, *child2;
+	char *parent, *child, *parent2 = NULL, *child2 = NULL;
 	int ret = KSFT_FAIL;
 	char buf[PAGE_SIZE];
 
@@ -34,50 +34,54 @@ static int test_memcg_subtree_control(co
 	parent = cg_name(root, "memcg_test_0");
 	child = cg_name(root, "memcg_test_0/memcg_test_1");
 	if (!parent || !child)
-		goto cleanup;
+		goto cleanup_free;
 
 	if (cg_create(parent))
-		goto cleanup;
+		goto cleanup_free;
 
 	if (cg_write(parent, "cgroup.subtree_control", "+memory"))
-		goto cleanup;
+		goto cleanup_parent;
 
 	if (cg_create(child))
-		goto cleanup;
+		goto cleanup_parent;
 
 	if (cg_read_strstr(child, "cgroup.controllers", "memory"))
-		goto cleanup;
+		goto cleanup_child;
 
 	/* Create two nested cgroups without enabling memory controller */
 	parent2 = cg_name(root, "memcg_test_1");
 	child2 = cg_name(root, "memcg_test_1/memcg_test_1");
 	if (!parent2 || !child2)
-		goto cleanup;
+		goto cleanup_free2;
 
 	if (cg_create(parent2))
-		goto cleanup;
+		goto cleanup_free2;
 
 	if (cg_create(child2))
-		goto cleanup;
+		goto cleanup_parent2;
 
 	if (cg_read(child2, "cgroup.controllers", buf, sizeof(buf)))
-		goto cleanup;
+		goto cleanup_all;
 
 	if (!cg_read_strstr(child2, "cgroup.controllers", "memory"))
-		goto cleanup;
+		goto cleanup_all;
 
 	ret = KSFT_PASS;
 
-cleanup:
-	cg_destroy(child);
-	cg_destroy(parent);
-	free(parent);
-	free(child);
-
+cleanup_all:
 	cg_destroy(child2);
+cleanup_parent2:
 	cg_destroy(parent2);
+cleanup_free2:
 	free(parent2);
 	free(child2);
+cleanup_child:
+	cg_destroy(child);
+cleanup_parent:
+	cg_destroy(parent);
+cleanup_free:
+	free(parent);
+	free(child);
 
 	return ret;
 }
diff -druNp --no-dereference linux-libre-5.1.5-gnu/virt/kvm/eventfd.c linux-libre-5.1.6-gnu/virt/kvm/eventfd.c
--- linux-libre-5.1.5-gnu/virt/kvm/eventfd.c	2019-05-25 12:16:51.000000000 -0400
+++ linux-libre-5.1.6-gnu/virt/kvm/eventfd.c	2019-05-31 09:43:59.000000000 -0400
@@ -44,6 +44,12 @@
 
 static struct workqueue_struct *irqfd_cleanup_wq;
 
+bool __attribute__((weak))
+kvm_arch_irqfd_allowed(struct kvm *kvm, struct kvm_irqfd *args)
+{
+	return true;
+}
+
 static void
 irqfd_inject(struct work_struct *work)
 {
@@ -297,6 +303,9 @@ kvm_irqfd_assign(struct kvm *kvm, struct
 	if (!kvm_arch_intc_initialized(kvm))
 		return -EAGAIN;
 
+	if (!kvm_arch_irqfd_allowed(kvm, args))
+		return -EINVAL;
+
 	irqfd = kzalloc(sizeof(*irqfd), GFP_KERNEL_ACCOUNT);
 	if (!irqfd)
 		return -ENOMEM;
