diff -druNp --no-dereference linux-libre-4.4.14-gnu/crypto/crypto_user.c linux-libre-4.4.15-gnu/crypto/crypto_user.c
--- linux-libre-4.4.14-gnu/crypto/crypto_user.c	2016-06-24 13:18:38.000000000 -0400
+++ linux-libre-4.4.15-gnu/crypto/crypto_user.c	2016-07-11 12:31:24.000000000 -0400
@@ -455,6 +455,7 @@ static const int crypto_msg_min[CRYPTO_N
 	[CRYPTO_MSG_NEWALG	- CRYPTO_MSG_BASE] = MSGSIZE(crypto_user_alg),
 	[CRYPTO_MSG_DELALG	- CRYPTO_MSG_BASE] = MSGSIZE(crypto_user_alg),
 	[CRYPTO_MSG_UPDATEALG	- CRYPTO_MSG_BASE] = MSGSIZE(crypto_user_alg),
+	[CRYPTO_MSG_GETALG	- CRYPTO_MSG_BASE] = MSGSIZE(crypto_user_alg),
 	[CRYPTO_MSG_DELRNG	- CRYPTO_MSG_BASE] = 0,
 };
 
diff -druNp --no-dereference linux-libre-4.4.14-gnu/drivers/crypto/ux500/hash/hash_core.c linux-libre-4.4.15-gnu/drivers/crypto/ux500/hash/hash_core.c
--- linux-libre-4.4.14-gnu/drivers/crypto/ux500/hash/hash_core.c	2016-06-24 13:18:38.000000000 -0400
+++ linux-libre-4.4.15-gnu/drivers/crypto/ux500/hash/hash_core.c	2016-07-11 12:31:24.000000000 -0400
@@ -797,7 +797,7 @@ static int hash_process_data(struct hash
 						&device_data->state);
 				memmove(req_ctx->state.buffer,
 					device_data->state.buffer,
-					HASH_BLOCK_SIZE / sizeof(u32));
+					HASH_BLOCK_SIZE);
 				if (ret) {
 					dev_err(device_data->dev,
 						"%s: hash_resume_state() failed!\n",
@@ -848,7 +848,7 @@ static int hash_process_data(struct hash
 
 			memmove(device_data->state.buffer,
 				req_ctx->state.buffer,
-				HASH_BLOCK_SIZE / sizeof(u32));
+				HASH_BLOCK_SIZE);
 			if (ret) {
 				dev_err(device_data->dev, "%s: hash_save_state() failed!\n",
 					__func__);
diff -druNp --no-dereference linux-libre-4.4.14-gnu/drivers/crypto/vmx/aes_cbc.c linux-libre-4.4.15-gnu/drivers/crypto/vmx/aes_cbc.c
--- linux-libre-4.4.14-gnu/drivers/crypto/vmx/aes_cbc.c	2016-06-24 13:18:38.000000000 -0400
+++ linux-libre-4.4.15-gnu/drivers/crypto/vmx/aes_cbc.c	2016-07-11 12:31:24.000000000 -0400
@@ -182,7 +182,7 @@ struct crypto_alg p8_aes_cbc_alg = {
 	.cra_name = "cbc(aes)",
 	.cra_driver_name = "p8_aes_cbc",
 	.cra_module = THIS_MODULE,
-	.cra_priority = 1000,
+	.cra_priority = 2000,
 	.cra_type = &crypto_blkcipher_type,
 	.cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER | CRYPTO_ALG_NEED_FALLBACK,
 	.cra_alignmask = 0,
diff -druNp --no-dereference linux-libre-4.4.14-gnu/drivers/crypto/vmx/aes_ctr.c linux-libre-4.4.15-gnu/drivers/crypto/vmx/aes_ctr.c
--- linux-libre-4.4.14-gnu/drivers/crypto/vmx/aes_ctr.c	2016-06-24 13:18:38.000000000 -0400
+++ linux-libre-4.4.15-gnu/drivers/crypto/vmx/aes_ctr.c	2016-07-11 12:31:24.000000000 -0400
@@ -166,7 +166,7 @@ struct crypto_alg p8_aes_ctr_alg = {
 	.cra_name = "ctr(aes)",
 	.cra_driver_name = "p8_aes_ctr",
 	.cra_module = THIS_MODULE,
-	.cra_priority = 1000,
+	.cra_priority = 2000,
 	.cra_type = &crypto_blkcipher_type,
 	.cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER | CRYPTO_ALG_NEED_FALLBACK,
 	.cra_alignmask = 0,
diff -druNp --no-dereference linux-libre-4.4.14-gnu/drivers/net/ethernet/atheros/alx/main.c linux-libre-4.4.15-gnu/drivers/net/ethernet/atheros/alx/main.c
--- linux-libre-4.4.14-gnu/drivers/net/ethernet/atheros/alx/main.c	2016-06-24 13:18:38.000000000 -0400
+++ linux-libre-4.4.15-gnu/drivers/net/ethernet/atheros/alx/main.c	2016-07-11 12:31:24.000000000 -0400
@@ -86,9 +86,14 @@ static int alx_refill_rx_ring(struct alx
 	while (!cur_buf->skb && next != rxq->read_idx) {
 		struct alx_rfd *rfd = &rxq->rfd[cur];
 
-		skb = __netdev_alloc_skb(alx->dev, alx->rxbuf_size, gfp);
+		skb = __netdev_alloc_skb(alx->dev, alx->rxbuf_size + 64, gfp);
 		if (!skb)
 			break;
+
+		/* Workround for the HW RX DMA overflow issue */
+		if (((unsigned long)skb->data & 0xfff) == 0xfc0)
+			skb_reserve(skb, 64);
+
 		dma = dma_map_single(&alx->hw.pdev->dev,
 				     skb->data, alx->rxbuf_size,
 				     DMA_FROM_DEVICE);
diff -druNp --no-dereference linux-libre-4.4.14-gnu/drivers/net/ethernet/cadence/macb.c linux-libre-4.4.15-gnu/drivers/net/ethernet/cadence/macb.c
--- linux-libre-4.4.14-gnu/drivers/net/ethernet/cadence/macb.c	2016-06-24 13:18:38.000000000 -0400
+++ linux-libre-4.4.15-gnu/drivers/net/ethernet/cadence/macb.c	2016-07-11 12:31:24.000000000 -0400
@@ -2405,9 +2405,9 @@ static int macb_init(struct platform_dev
 	if (bp->phy_interface == PHY_INTERFACE_MODE_RGMII)
 		val = GEM_BIT(RGMII);
 	else if (bp->phy_interface == PHY_INTERFACE_MODE_RMII &&
-		 (bp->caps & MACB_CAPS_USRIO_DEFAULT_IS_MII))
+		 (bp->caps & MACB_CAPS_USRIO_DEFAULT_IS_MII_GMII))
 		val = MACB_BIT(RMII);
-	else if (!(bp->caps & MACB_CAPS_USRIO_DEFAULT_IS_MII))
+	else if (!(bp->caps & MACB_CAPS_USRIO_DEFAULT_IS_MII_GMII))
 		val = MACB_BIT(MII);
 
 	if (bp->caps & MACB_CAPS_USRIO_HAS_CLKEN)
@@ -2738,7 +2738,7 @@ static int at91ether_init(struct platfor
 }
 
 static const struct macb_config at91sam9260_config = {
-	.caps = MACB_CAPS_USRIO_HAS_CLKEN | MACB_CAPS_USRIO_DEFAULT_IS_MII,
+	.caps = MACB_CAPS_USRIO_HAS_CLKEN | MACB_CAPS_USRIO_DEFAULT_IS_MII_GMII,
 	.clk_init = macb_clk_init,
 	.init = macb_init,
 };
@@ -2751,21 +2751,22 @@ static const struct macb_config pc302gem
 };
 
 static const struct macb_config sama5d2_config = {
-	.caps = 0,
+	.caps = MACB_CAPS_USRIO_DEFAULT_IS_MII_GMII,
 	.dma_burst_length = 16,
 	.clk_init = macb_clk_init,
 	.init = macb_init,
 };
 
 static const struct macb_config sama5d3_config = {
-	.caps = MACB_CAPS_SG_DISABLED | MACB_CAPS_GIGABIT_MODE_AVAILABLE,
+	.caps = MACB_CAPS_SG_DISABLED | MACB_CAPS_GIGABIT_MODE_AVAILABLE
+	      | MACB_CAPS_USRIO_DEFAULT_IS_MII_GMII,
 	.dma_burst_length = 16,
 	.clk_init = macb_clk_init,
 	.init = macb_init,
 };
 
 static const struct macb_config sama5d4_config = {
-	.caps = 0,
+	.caps = MACB_CAPS_USRIO_DEFAULT_IS_MII_GMII,
 	.dma_burst_length = 4,
 	.clk_init = macb_clk_init,
 	.init = macb_init,
diff -druNp --no-dereference linux-libre-4.4.14-gnu/drivers/net/ethernet/cadence/macb.h linux-libre-4.4.15-gnu/drivers/net/ethernet/cadence/macb.h
--- linux-libre-4.4.14-gnu/drivers/net/ethernet/cadence/macb.h	2016-06-24 13:18:38.000000000 -0400
+++ linux-libre-4.4.15-gnu/drivers/net/ethernet/cadence/macb.h	2016-07-11 12:31:24.000000000 -0400
@@ -398,7 +398,7 @@
 /* Capability mask bits */
 #define MACB_CAPS_ISR_CLEAR_ON_WRITE		0x00000001
 #define MACB_CAPS_USRIO_HAS_CLKEN		0x00000002
-#define MACB_CAPS_USRIO_DEFAULT_IS_MII		0x00000004
+#define MACB_CAPS_USRIO_DEFAULT_IS_MII_GMII	0x00000004
 #define MACB_CAPS_NO_GIGABIT_HALF		0x00000008
 #define MACB_CAPS_FIFO_MODE			0x10000000
 #define MACB_CAPS_GIGABIT_MODE_AVAILABLE	0x20000000
diff -druNp --no-dereference linux-libre-4.4.14-gnu/drivers/usb/core/quirks.c linux-libre-4.4.15-gnu/drivers/usb/core/quirks.c
--- linux-libre-4.4.14-gnu/drivers/usb/core/quirks.c	2016-06-24 13:18:38.000000000 -0400
+++ linux-libre-4.4.15-gnu/drivers/usb/core/quirks.c	2016-07-11 12:31:24.000000000 -0400
@@ -44,6 +44,9 @@ static const struct usb_device_id usb_qu
 	/* Creative SB Audigy 2 NX */
 	{ USB_DEVICE(0x041e, 0x3020), .driver_info = USB_QUIRK_RESET_RESUME },
 
+	/* USB3503 */
+	{ USB_DEVICE(0x0424, 0x3503), .driver_info = USB_QUIRK_RESET_RESUME },
+
 	/* Microsoft Wireless Laser Mouse 6000 Receiver */
 	{ USB_DEVICE(0x045e, 0x00e1), .driver_info = USB_QUIRK_RESET_RESUME },
 
@@ -173,6 +176,10 @@ static const struct usb_device_id usb_qu
 	/* MAYA44USB sound device */
 	{ USB_DEVICE(0x0a92, 0x0091), .driver_info = USB_QUIRK_RESET_RESUME },
 
+	/* ASUS Base Station(T100) */
+	{ USB_DEVICE(0x0b05, 0x17e0), .driver_info =
+			USB_QUIRK_IGNORE_REMOTE_WAKEUP },
+
 	/* Action Semiconductor flash disk */
 	{ USB_DEVICE(0x10d6, 0x2200), .driver_info =
 			USB_QUIRK_STRING_FETCH_255 },
@@ -188,26 +195,22 @@ static const struct usb_device_id usb_qu
 	{ USB_DEVICE(0x1908, 0x1315), .driver_info =
 			USB_QUIRK_HONOR_BNUMINTERFACES },
 
-	/* INTEL VALUE SSD */
-	{ USB_DEVICE(0x8086, 0xf1a5), .driver_info = USB_QUIRK_RESET_RESUME },
-
-	/* USB3503 */
-	{ USB_DEVICE(0x0424, 0x3503), .driver_info = USB_QUIRK_RESET_RESUME },
-
-	/* ASUS Base Station(T100) */
-	{ USB_DEVICE(0x0b05, 0x17e0), .driver_info =
-			USB_QUIRK_IGNORE_REMOTE_WAKEUP },
-
 	/* Protocol and OTG Electrical Test Device */
 	{ USB_DEVICE(0x1a0a, 0x0200), .driver_info =
 			USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL },
 
+	/* Acer C120 LED Projector */
+	{ USB_DEVICE(0x1de1, 0xc102), .driver_info = USB_QUIRK_NO_LPM },
+
 	/* Blackmagic Design Intensity Shuttle */
 	{ USB_DEVICE(0x1edb, 0xbd3b), .driver_info = USB_QUIRK_NO_LPM },
 
 	/* Blackmagic Design UltraStudio SDI */
 	{ USB_DEVICE(0x1edb, 0xbd4f), .driver_info = USB_QUIRK_NO_LPM },
 
+	/* INTEL VALUE SSD */
+	{ USB_DEVICE(0x8086, 0xf1a5), .driver_info = USB_QUIRK_RESET_RESUME },
+
 	{ }  /* terminating entry must be last */
 };
 
diff -druNp --no-dereference linux-libre-4.4.14-gnu/drivers/usb/dwc3/dwc3-exynos.c linux-libre-4.4.15-gnu/drivers/usb/dwc3/dwc3-exynos.c
--- linux-libre-4.4.14-gnu/drivers/usb/dwc3/dwc3-exynos.c	2016-06-24 13:18:38.000000000 -0400
+++ linux-libre-4.4.15-gnu/drivers/usb/dwc3/dwc3-exynos.c	2016-07-11 12:31:24.000000000 -0400
@@ -128,12 +128,6 @@ static int dwc3_exynos_probe(struct plat
 
 	platform_set_drvdata(pdev, exynos);
 
-	ret = dwc3_exynos_register_phys(exynos);
-	if (ret) {
-		dev_err(dev, "couldn't register PHYs\n");
-		return ret;
-	}
-
 	exynos->dev	= dev;
 
 	exynos->clk = devm_clk_get(dev, "usbdrd30");
@@ -183,20 +177,29 @@ static int dwc3_exynos_probe(struct plat
 		goto err3;
 	}
 
+	ret = dwc3_exynos_register_phys(exynos);
+	if (ret) {
+		dev_err(dev, "couldn't register PHYs\n");
+		goto err4;
+	}
+
 	if (node) {
 		ret = of_platform_populate(node, NULL, NULL, dev);
 		if (ret) {
 			dev_err(dev, "failed to add dwc3 core\n");
-			goto err4;
+			goto err5;
 		}
 	} else {
 		dev_err(dev, "no device node, failed to add dwc3 core\n");
 		ret = -ENODEV;
-		goto err4;
+		goto err5;
 	}
 
 	return 0;
 
+err5:
+	platform_device_unregister(exynos->usb2_phy);
+	platform_device_unregister(exynos->usb3_phy);
 err4:
 	regulator_disable(exynos->vdd10);
 err3:
diff -druNp --no-dereference linux-libre-4.4.14-gnu/drivers/usb/gadget/legacy/inode.c linux-libre-4.4.15-gnu/drivers/usb/gadget/legacy/inode.c
--- linux-libre-4.4.14-gnu/drivers/usb/gadget/legacy/inode.c	2016-06-24 13:18:38.000000000 -0400
+++ linux-libre-4.4.15-gnu/drivers/usb/gadget/legacy/inode.c	2016-07-11 12:31:24.000000000 -0400
@@ -937,8 +937,11 @@ ep0_read (struct file *fd, char __user *
 			struct usb_ep		*ep = dev->gadget->ep0;
 			struct usb_request	*req = dev->req;
 
-			if ((retval = setup_req (ep, req, 0)) == 0)
-				retval = usb_ep_queue (ep, req, GFP_ATOMIC);
+			if ((retval = setup_req (ep, req, 0)) == 0) {
+				spin_unlock_irq (&dev->lock);
+				retval = usb_ep_queue (ep, req, GFP_KERNEL);
+				spin_lock_irq (&dev->lock);
+			}
 			dev->state = STATE_DEV_CONNECTED;
 
 			/* assume that was SET_CONFIGURATION */
@@ -1456,8 +1459,11 @@ delegate:
 							w_length);
 				if (value < 0)
 					break;
+
+				spin_unlock (&dev->lock);
 				value = usb_ep_queue (gadget->ep0, dev->req,
-							GFP_ATOMIC);
+							GFP_KERNEL);
+				spin_lock (&dev->lock);
 				if (value < 0) {
 					clean_req (gadget->ep0, dev->req);
 					break;
@@ -1480,11 +1486,14 @@ delegate:
 	if (value >= 0 && dev->state != STATE_DEV_SETUP) {
 		req->length = value;
 		req->zero = value < w_length;
-		value = usb_ep_queue (gadget->ep0, req, GFP_ATOMIC);
+
+		spin_unlock (&dev->lock);
+		value = usb_ep_queue (gadget->ep0, req, GFP_KERNEL);
 		if (value < 0) {
 			DBG (dev, "ep_queue --> %d\n", value);
 			req->status = 0;
 		}
+		return value;
 	}
 
 	/* device stalls when value < 0 */
diff -druNp --no-dereference linux-libre-4.4.14-gnu/drivers/usb/host/ehci-tegra.c linux-libre-4.4.15-gnu/drivers/usb/host/ehci-tegra.c
--- linux-libre-4.4.14-gnu/drivers/usb/host/ehci-tegra.c	2016-06-24 13:18:38.000000000 -0400
+++ linux-libre-4.4.15-gnu/drivers/usb/host/ehci-tegra.c	2016-07-11 12:31:24.000000000 -0400
@@ -89,7 +89,7 @@ static int tegra_reset_usb_controller(st
 	if (!usb1_reset_attempted) {
 		struct reset_control *usb1_reset;
 
-		usb1_reset = of_reset_control_get(phy_np, "usb");
+		usb1_reset = of_reset_control_get(phy_np, "utmi-pads");
 		if (IS_ERR(usb1_reset)) {
 			dev_warn(&pdev->dev,
 				 "can't get utmi-pads reset from the PHY\n");
diff -druNp --no-dereference linux-libre-4.4.14-gnu/drivers/usb/host/xhci.c linux-libre-4.4.15-gnu/drivers/usb/host/xhci.c
--- linux-libre-4.4.14-gnu/drivers/usb/host/xhci.c	2016-06-24 13:18:38.000000000 -0400
+++ linux-libre-4.4.15-gnu/drivers/usb/host/xhci.c	2016-07-11 12:31:24.000000000 -0400
@@ -680,20 +680,23 @@ void xhci_stop(struct usb_hcd *hcd)
 	u32 temp;
 	struct xhci_hcd *xhci = hcd_to_xhci(hcd);
 
-	if (xhci->xhc_state & XHCI_STATE_HALTED)
-		return;
-
 	mutex_lock(&xhci->mutex);
-	spin_lock_irq(&xhci->lock);
-	xhci->xhc_state |= XHCI_STATE_HALTED;
-	xhci->cmd_ring_state = CMD_RING_STATE_STOPPED;
 
-	/* Make sure the xHC is halted for a USB3 roothub
-	 * (xhci_stop() could be called as part of failed init).
-	 */
-	xhci_halt(xhci);
-	xhci_reset(xhci);
-	spin_unlock_irq(&xhci->lock);
+	if (!(xhci->xhc_state & XHCI_STATE_HALTED)) {
+		spin_lock_irq(&xhci->lock);
+
+		xhci->xhc_state |= XHCI_STATE_HALTED;
+		xhci->cmd_ring_state = CMD_RING_STATE_STOPPED;
+		xhci_halt(xhci);
+		xhci_reset(xhci);
+
+		spin_unlock_irq(&xhci->lock);
+	}
+
+	if (!usb_hcd_is_primary_hcd(hcd)) {
+		mutex_unlock(&xhci->mutex);
+		return;
+	}
 
 	xhci_cleanup_msix(xhci);
 
diff -druNp --no-dereference linux-libre-4.4.14-gnu/drivers/usb/host/xhci-pci.c linux-libre-4.4.15-gnu/drivers/usb/host/xhci-pci.c
--- linux-libre-4.4.14-gnu/drivers/usb/host/xhci-pci.c	2016-06-24 13:18:38.000000000 -0400
+++ linux-libre-4.4.15-gnu/drivers/usb/host/xhci-pci.c	2016-07-11 12:31:24.000000000 -0400
@@ -37,6 +37,7 @@
 /* Device for a quirk */
 #define PCI_VENDOR_ID_FRESCO_LOGIC	0x1b73
 #define PCI_DEVICE_ID_FRESCO_LOGIC_PDK	0x1000
+#define PCI_DEVICE_ID_FRESCO_LOGIC_FL1009	0x1009
 #define PCI_DEVICE_ID_FRESCO_LOGIC_FL1400	0x1400
 
 #define PCI_VENDOR_ID_ETRON		0x1b6f
@@ -115,6 +116,10 @@ static void xhci_pci_quirks(struct devic
 		xhci->quirks |= XHCI_TRUST_TX_LENGTH;
 	}
 
+	if (pdev->vendor == PCI_VENDOR_ID_FRESCO_LOGIC &&
+			pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_FL1009)
+		xhci->quirks |= XHCI_BROKEN_STREAMS;
+
 	if (pdev->vendor == PCI_VENDOR_ID_NEC)
 		xhci->quirks |= XHCI_NEC_HOST;
 
diff -druNp --no-dereference linux-libre-4.4.14-gnu/drivers/usb/host/xhci-plat.c linux-libre-4.4.15-gnu/drivers/usb/host/xhci-plat.c
--- linux-libre-4.4.14-gnu/drivers/usb/host/xhci-plat.c	2016-06-24 13:18:38.000000000 -0400
+++ linux-libre-4.4.15-gnu/drivers/usb/host/xhci-plat.c	2016-07-11 12:31:24.000000000 -0400
@@ -132,6 +132,9 @@ static int xhci_plat_probe(struct platfo
 		ret = clk_prepare_enable(clk);
 		if (ret)
 			goto put_hcd;
+	} else if (PTR_ERR(clk) == -EPROBE_DEFER) {
+		ret = -EPROBE_DEFER;
+		goto put_hcd;
 	}
 
 	if (of_device_is_compatible(pdev->dev.of_node,
diff -druNp --no-dereference linux-libre-4.4.14-gnu/drivers/usb/host/xhci-ring.c linux-libre-4.4.15-gnu/drivers/usb/host/xhci-ring.c
--- linux-libre-4.4.14-gnu/drivers/usb/host/xhci-ring.c	2016-06-24 13:18:38.000000000 -0400
+++ linux-libre-4.4.15-gnu/drivers/usb/host/xhci-ring.c	2016-07-11 12:31:24.000000000 -0400
@@ -289,6 +289,14 @@ static int xhci_abort_cmd_ring(struct xh
 
 	temp_64 = xhci_read_64(xhci, &xhci->op_regs->cmd_ring);
 	xhci->cmd_ring_state = CMD_RING_STATE_ABORTED;
+
+	/*
+	 * Writing the CMD_RING_ABORT bit should cause a cmd completion event,
+	 * however on some host hw the CMD_RING_RUNNING bit is correctly cleared
+	 * but the completion event in never sent. Use the cmd timeout timer to
+	 * handle those cases. Use twice the time to cover the bit polling retry
+	 */
+	mod_timer(&xhci->cmd_timer, jiffies + (2 * XHCI_CMD_DEFAULT_TIMEOUT));
 	xhci_write_64(xhci, temp_64 | CMD_RING_ABORT,
 			&xhci->op_regs->cmd_ring);
 
@@ -313,6 +321,7 @@ static int xhci_abort_cmd_ring(struct xh
 
 		xhci_err(xhci, "Stopped the command ring failed, "
 				"maybe the host is dead\n");
+		del_timer(&xhci->cmd_timer);
 		xhci->xhc_state |= XHCI_STATE_DYING;
 		xhci_quiesce(xhci);
 		xhci_halt(xhci);
@@ -1252,22 +1261,21 @@ void xhci_handle_command_timeout(unsigne
 	int ret;
 	unsigned long flags;
 	u64 hw_ring_state;
-	struct xhci_command *cur_cmd = NULL;
+	bool second_timeout = false;
 	xhci = (struct xhci_hcd *) data;
 
 	/* mark this command to be cancelled */
 	spin_lock_irqsave(&xhci->lock, flags);
 	if (xhci->current_cmd) {
-		cur_cmd = xhci->current_cmd;
-		cur_cmd->status = COMP_CMD_ABORT;
+		if (xhci->current_cmd->status == COMP_CMD_ABORT)
+			second_timeout = true;
+		xhci->current_cmd->status = COMP_CMD_ABORT;
 	}
 
-
 	/* Make sure command ring is running before aborting it */
 	hw_ring_state = xhci_read_64(xhci, &xhci->op_regs->cmd_ring);
 	if ((xhci->cmd_ring_state & CMD_RING_STATE_RUNNING) &&
 	    (hw_ring_state & CMD_RING_RUNNING))  {
-
 		spin_unlock_irqrestore(&xhci->lock, flags);
 		xhci_dbg(xhci, "Command timeout\n");
 		ret = xhci_abort_cmd_ring(xhci);
@@ -1279,6 +1287,15 @@ void xhci_handle_command_timeout(unsigne
 		}
 		return;
 	}
+
+	/* command ring failed to restart, or host removed. Bail out */
+	if (second_timeout || xhci->xhc_state & XHCI_STATE_REMOVING) {
+		spin_unlock_irqrestore(&xhci->lock, flags);
+		xhci_dbg(xhci, "command timed out twice, ring start fail?\n");
+		xhci_cleanup_command_queue(xhci);
+		return;
+	}
+
 	/* command timeout on stopped ring, ring can't be aborted */
 	xhci_dbg(xhci, "Command timeout on stopped ring\n");
 	xhci_handle_stopped_cmd_ring(xhci, xhci->current_cmd);
@@ -2727,7 +2744,8 @@ hw_died:
 		writel(irq_pending, &xhci->ir_set->irq_pending);
 	}
 
-	if (xhci->xhc_state & XHCI_STATE_DYING) {
+	if (xhci->xhc_state & XHCI_STATE_DYING ||
+	    xhci->xhc_state & XHCI_STATE_HALTED) {
 		xhci_dbg(xhci, "xHCI dying, ignoring interrupt. "
 				"Shouldn't IRQs be disabled?\n");
 		/* Clear the event handler busy flag (RW1C);
diff -druNp --no-dereference linux-libre-4.4.14-gnu/drivers/usb/musb/musb_core.c linux-libre-4.4.15-gnu/drivers/usb/musb/musb_core.c
--- linux-libre-4.4.14-gnu/drivers/usb/musb/musb_core.c	2016-06-24 13:18:38.000000000 -0400
+++ linux-libre-4.4.15-gnu/drivers/usb/musb/musb_core.c	2016-07-11 12:31:24.000000000 -0400
@@ -2401,7 +2401,8 @@ static void musb_restore_context(struct
 	musb_writew(musb_base, MUSB_INTRTXE, musb->intrtxe);
 	musb_writew(musb_base, MUSB_INTRRXE, musb->intrrxe);
 	musb_writeb(musb_base, MUSB_INTRUSBE, musb->context.intrusbe);
-	musb_writeb(musb_base, MUSB_DEVCTL, musb->context.devctl);
+	if (musb->context.devctl & MUSB_DEVCTL_SESSION)
+		musb_writeb(musb_base, MUSB_DEVCTL, musb->context.devctl);
 
 	for (i = 0; i < musb->config->num_eps; ++i) {
 		struct musb_hw_ep	*hw_ep;
diff -druNp --no-dereference linux-libre-4.4.14-gnu/drivers/usb/musb/musb_host.c linux-libre-4.4.15-gnu/drivers/usb/musb/musb_host.c
--- linux-libre-4.4.14-gnu/drivers/usb/musb/musb_host.c	2016-06-24 13:18:38.000000000 -0400
+++ linux-libre-4.4.15-gnu/drivers/usb/musb/musb_host.c	2016-07-11 12:31:24.000000000 -0400
@@ -594,14 +594,13 @@ musb_rx_reinit(struct musb *musb, struct
 		musb_writew(ep->regs, MUSB_TXCSR, 0);
 
 	/* scrub all previous state, clearing toggle */
-	} else {
-		csr = musb_readw(ep->regs, MUSB_RXCSR);
-		if (csr & MUSB_RXCSR_RXPKTRDY)
-			WARNING("rx%d, packet/%d ready?\n", ep->epnum,
-				musb_readw(ep->regs, MUSB_RXCOUNT));
-
-		musb_h_flush_rxfifo(ep, MUSB_RXCSR_CLRDATATOG);
 	}
+	csr = musb_readw(ep->regs, MUSB_RXCSR);
+	if (csr & MUSB_RXCSR_RXPKTRDY)
+		WARNING("rx%d, packet/%d ready?\n", ep->epnum,
+			musb_readw(ep->regs, MUSB_RXCOUNT));
+
+	musb_h_flush_rxfifo(ep, MUSB_RXCSR_CLRDATATOG);
 
 	/* target addr and (for multipoint) hub addr/port */
 	if (musb->is_multipoint) {
@@ -995,9 +994,15 @@ static void musb_bulk_nak_timeout(struct
 	if (is_in) {
 		dma = is_dma_capable() ? ep->rx_channel : NULL;
 
-		/* clear nak timeout bit */
+		/*
+		 * Need to stop the transaction by clearing REQPKT first
+		 * then the NAK Timeout bit ref MUSBMHDRC USB 2.0 HIGH-SPEED
+		 * DUAL-ROLE CONTROLLER Programmer's Guide, section 9.2.2
+		 */
 		rx_csr = musb_readw(epio, MUSB_RXCSR);
 		rx_csr |= MUSB_RXCSR_H_WZC_BITS;
+		rx_csr &= ~MUSB_RXCSR_H_REQPKT;
+		musb_writew(epio, MUSB_RXCSR, rx_csr);
 		rx_csr &= ~MUSB_RXCSR_DATAERROR;
 		musb_writew(epio, MUSB_RXCSR, rx_csr);
 
@@ -1551,7 +1556,7 @@ static int musb_rx_dma_iso_cppi41(struct
 				  struct urb *urb,
 				  size_t len)
 {
-	struct dma_channel *channel = hw_ep->tx_channel;
+	struct dma_channel *channel = hw_ep->rx_channel;
 	void __iomem *epio = hw_ep->regs;
 	dma_addr_t *buf;
 	u32 length, res;
diff -druNp --no-dereference linux-libre-4.4.14-gnu/drivers/usb/serial/mos7720.c linux-libre-4.4.15-gnu/drivers/usb/serial/mos7720.c
--- linux-libre-4.4.14-gnu/drivers/usb/serial/mos7720.c	2016-06-24 13:18:38.000000000 -0400
+++ linux-libre-4.4.15-gnu/drivers/usb/serial/mos7720.c	2016-07-11 12:31:24.000000000 -0400
@@ -2007,6 +2007,7 @@ static void mos7720_release(struct usb_s
 				    urblist_entry)
 			usb_unlink_urb(urbtrack->urb);
 		spin_unlock_irqrestore(&mos_parport->listlock, flags);
+		parport_del_port(mos_parport->pp);
 
 		kref_put(&mos_parport->ref_count, destroy_mos_parport);
 	}
diff -druNp --no-dereference linux-libre-4.4.14-gnu/drivers/usb/storage/uas.c linux-libre-4.4.15-gnu/drivers/usb/storage/uas.c
--- linux-libre-4.4.14-gnu/drivers/usb/storage/uas.c	2016-06-24 13:18:38.000000000 -0400
+++ linux-libre-4.4.15-gnu/drivers/usb/storage/uas.c	2016-07-11 12:31:24.000000000 -0400
@@ -811,6 +811,7 @@ static int uas_slave_configure(struct sc
 	if (devinfo->flags & US_FL_BROKEN_FUA)
 		sdev->broken_fua = 1;
 
+	scsi_change_queue_depth(sdev, devinfo->qdepth - 2);
 	return 0;
 }
 
diff -druNp --no-dereference linux-libre-4.4.14-gnu/include/linux/bpf.h linux-libre-4.4.15-gnu/include/linux/bpf.h
--- linux-libre-4.4.14-gnu/include/linux/bpf.h	2016-06-24 13:18:38.000000000 -0400
+++ linux-libre-4.4.15-gnu/include/linux/bpf.h	2016-07-11 12:31:24.000000000 -0400
@@ -198,6 +198,10 @@ static inline struct bpf_prog *bpf_prog_
 static inline void bpf_prog_put(struct bpf_prog *prog)
 {
 }
+
+static inline void bpf_prog_put_rcu(struct bpf_prog *prog)
+{
+}
 #endif /* CONFIG_BPF_SYSCALL */
 
 /* verifier prototypes for helper functions called from eBPF programs */
diff -druNp --no-dereference linux-libre-4.4.14-gnu/include/linux/net.h linux-libre-4.4.15-gnu/include/linux/net.h
--- linux-libre-4.4.14-gnu/include/linux/net.h	2016-06-24 13:18:38.000000000 -0400
+++ linux-libre-4.4.15-gnu/include/linux/net.h	2016-07-11 12:31:24.000000000 -0400
@@ -251,7 +251,8 @@ do {									\
 	DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt);			\
 	if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT) &&	\
 	    net_ratelimit())						\
-		__dynamic_pr_debug(&descriptor, fmt, ##__VA_ARGS__);	\
+		__dynamic_pr_debug(&descriptor, pr_fmt(fmt),		\
+		                   ##__VA_ARGS__);			\
 } while (0)
 #elif defined(DEBUG)
 #define net_dbg_ratelimited(fmt, ...)				\
diff -druNp --no-dereference linux-libre-4.4.14-gnu/include/linux/skbuff.h linux-libre-4.4.15-gnu/include/linux/skbuff.h
--- linux-libre-4.4.14-gnu/include/linux/skbuff.h	2016-06-24 13:18:38.000000000 -0400
+++ linux-libre-4.4.15-gnu/include/linux/skbuff.h	2016-07-11 12:31:24.000000000 -0400
@@ -2564,6 +2564,13 @@ static inline int skb_clone_writable(con
 	       skb_headroom(skb) + len <= skb->hdr_len;
 }
 
+static inline int skb_try_make_writable(struct sk_buff *skb,
+					unsigned int write_len)
+{
+	return skb_cloned(skb) && !skb_clone_writable(skb, write_len) &&
+	       pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
+}
+
 static inline int __skb_cow(struct sk_buff *skb, unsigned int headroom,
 			    int cloned)
 {
diff -druNp --no-dereference linux-libre-4.4.14-gnu/include/linux/sock_diag.h linux-libre-4.4.15-gnu/include/linux/sock_diag.h
--- linux-libre-4.4.14-gnu/include/linux/sock_diag.h	2016-06-24 13:18:38.000000000 -0400
+++ linux-libre-4.4.15-gnu/include/linux/sock_diag.h	2016-07-11 12:31:24.000000000 -0400
@@ -35,6 +35,9 @@ enum sknetlink_groups sock_diag_destroy_
 {
 	switch (sk->sk_family) {
 	case AF_INET:
+		if (sk->sk_type == SOCK_RAW)
+			return SKNLGRP_NONE;
+
 		switch (sk->sk_protocol) {
 		case IPPROTO_TCP:
 			return SKNLGRP_INET_TCP_DESTROY;
@@ -44,6 +47,9 @@ enum sknetlink_groups sock_diag_destroy_
 			return SKNLGRP_NONE;
 		}
 	case AF_INET6:
+		if (sk->sk_type == SOCK_RAW)
+			return SKNLGRP_NONE;
+
 		switch (sk->sk_protocol) {
 		case IPPROTO_TCP:
 			return SKNLGRP_INET6_TCP_DESTROY;
diff -druNp --no-dereference linux-libre-4.4.14-gnu/kernel/events/core.c linux-libre-4.4.15-gnu/kernel/events/core.c
--- linux-libre-4.4.14-gnu/kernel/events/core.c	2016-06-24 13:18:38.000000000 -0400
+++ linux-libre-4.4.15-gnu/kernel/events/core.c	2016-07-11 12:31:24.000000000 -0400
@@ -7101,7 +7101,7 @@ static void perf_event_free_bpf_prog(str
 	prog = event->tp_event->prog;
 	if (prog) {
 		event->tp_event->prog = NULL;
-		bpf_prog_put(prog);
+		bpf_prog_put_rcu(prog);
 	}
 }
 
diff -druNp --no-dereference linux-libre-4.4.14-gnu/Makefile linux-libre-4.4.15-gnu/Makefile
--- linux-libre-4.4.14-gnu/Makefile	2016-06-24 15:39:44.000000000 -0400
+++ linux-libre-4.4.15-gnu/Makefile	2016-07-11 22:06:20.000000000 -0400
@@ -1,6 +1,6 @@
 VERSION = 4
 PATCHLEVEL = 4
-SUBLEVEL = 14
+SUBLEVEL = 15
 EXTRAVERSION = -gnu
 NAME = Blurry Fish Butt
 
diff -druNp --no-dereference linux-libre-4.4.14-gnu/net/ax25/af_ax25.c linux-libre-4.4.15-gnu/net/ax25/af_ax25.c
--- linux-libre-4.4.14-gnu/net/ax25/af_ax25.c	2016-06-24 13:18:38.000000000 -0400
+++ linux-libre-4.4.15-gnu/net/ax25/af_ax25.c	2016-07-11 12:31:24.000000000 -0400
@@ -976,7 +976,8 @@ static int ax25_release(struct socket *s
 			release_sock(sk);
 			ax25_disconnect(ax25, 0);
 			lock_sock(sk);
-			ax25_destroy_socket(ax25);
+			if (!sock_flag(ax25->sk, SOCK_DESTROY))
+				ax25_destroy_socket(ax25);
 			break;
 
 		case AX25_STATE_3:
diff -druNp --no-dereference linux-libre-4.4.14-gnu/net/ax25/ax25_ds_timer.c linux-libre-4.4.15-gnu/net/ax25/ax25_ds_timer.c
--- linux-libre-4.4.14-gnu/net/ax25/ax25_ds_timer.c	2016-06-24 13:18:38.000000000 -0400
+++ linux-libre-4.4.15-gnu/net/ax25/ax25_ds_timer.c	2016-07-11 12:31:24.000000000 -0400
@@ -102,6 +102,7 @@ void ax25_ds_heartbeat_expiry(ax25_cb *a
 	switch (ax25->state) {
 
 	case AX25_STATE_0:
+	case AX25_STATE_2:
 		/* Magic here: If we listen() and a new link dies before it
 		   is accepted() it isn't 'dead' so doesn't get removed. */
 		if (!sk || sock_flag(sk, SOCK_DESTROY) ||
@@ -111,6 +112,7 @@ void ax25_ds_heartbeat_expiry(ax25_cb *a
 				sock_hold(sk);
 				ax25_destroy_socket(ax25);
 				bh_unlock_sock(sk);
+				/* Ungrab socket and destroy it */
 				sock_put(sk);
 			} else
 				ax25_destroy_socket(ax25);
@@ -213,7 +215,8 @@ void ax25_ds_t1_timeout(ax25_cb *ax25)
 	case AX25_STATE_2:
 		if (ax25->n2count == ax25->n2) {
 			ax25_send_control(ax25, AX25_DISC, AX25_POLLON, AX25_COMMAND);
-			ax25_disconnect(ax25, ETIMEDOUT);
+			if (!sock_flag(ax25->sk, SOCK_DESTROY))
+				ax25_disconnect(ax25, ETIMEDOUT);
 			return;
 		} else {
 			ax25->n2count++;
diff -druNp --no-dereference linux-libre-4.4.14-gnu/net/ax25/ax25_std_timer.c linux-libre-4.4.15-gnu/net/ax25/ax25_std_timer.c
--- linux-libre-4.4.14-gnu/net/ax25/ax25_std_timer.c	2016-06-24 13:18:38.000000000 -0400
+++ linux-libre-4.4.15-gnu/net/ax25/ax25_std_timer.c	2016-07-11 12:31:24.000000000 -0400
@@ -38,6 +38,7 @@ void ax25_std_heartbeat_expiry(ax25_cb *
 
 	switch (ax25->state) {
 	case AX25_STATE_0:
+	case AX25_STATE_2:
 		/* Magic here: If we listen() and a new link dies before it
 		   is accepted() it isn't 'dead' so doesn't get removed. */
 		if (!sk || sock_flag(sk, SOCK_DESTROY) ||
@@ -47,6 +48,7 @@ void ax25_std_heartbeat_expiry(ax25_cb *
 				sock_hold(sk);
 				ax25_destroy_socket(ax25);
 				bh_unlock_sock(sk);
+				/* Ungrab socket and destroy it */
 				sock_put(sk);
 			} else
 				ax25_destroy_socket(ax25);
@@ -144,7 +146,8 @@ void ax25_std_t1timer_expiry(ax25_cb *ax
 	case AX25_STATE_2:
 		if (ax25->n2count == ax25->n2) {
 			ax25_send_control(ax25, AX25_DISC, AX25_POLLON, AX25_COMMAND);
-			ax25_disconnect(ax25, ETIMEDOUT);
+			if (!sock_flag(ax25->sk, SOCK_DESTROY))
+				ax25_disconnect(ax25, ETIMEDOUT);
 			return;
 		} else {
 			ax25->n2count++;
diff -druNp --no-dereference linux-libre-4.4.14-gnu/net/ax25/ax25_subr.c linux-libre-4.4.15-gnu/net/ax25/ax25_subr.c
--- linux-libre-4.4.14-gnu/net/ax25/ax25_subr.c	2016-06-24 13:18:38.000000000 -0400
+++ linux-libre-4.4.15-gnu/net/ax25/ax25_subr.c	2016-07-11 12:31:24.000000000 -0400
@@ -264,7 +264,8 @@ void ax25_disconnect(ax25_cb *ax25, int
 {
 	ax25_clear_queues(ax25);
 
-	ax25_stop_heartbeat(ax25);
+	if (!sock_flag(ax25->sk, SOCK_DESTROY))
+		ax25_stop_heartbeat(ax25);
 	ax25_stop_t1timer(ax25);
 	ax25_stop_t2timer(ax25);
 	ax25_stop_t3timer(ax25);
diff -druNp --no-dereference linux-libre-4.4.14-gnu/net/bridge/br_multicast.c linux-libre-4.4.15-gnu/net/bridge/br_multicast.c
--- linux-libre-4.4.14-gnu/net/bridge/br_multicast.c	2016-06-24 13:18:38.000000000 -0400
+++ linux-libre-4.4.15-gnu/net/bridge/br_multicast.c	2016-07-11 12:31:24.000000000 -0400
@@ -464,8 +464,11 @@ static struct sk_buff *br_ip6_multicast_
 	if (ipv6_dev_get_saddr(dev_net(br->dev), br->dev, &ip6h->daddr, 0,
 			       &ip6h->saddr)) {
 		kfree_skb(skb);
+		br->has_ipv6_addr = 0;
 		return NULL;
 	}
+
+	br->has_ipv6_addr = 1;
 	ipv6_eth_mc_map(&ip6h->daddr, eth->h_dest);
 
 	hopopt = (u8 *)(ip6h + 1);
@@ -1736,6 +1739,7 @@ void br_multicast_init(struct net_bridge
 	br->ip6_other_query.delay_time = 0;
 	br->ip6_querier.port = NULL;
 #endif
+	br->has_ipv6_addr = 1;
 
 	spin_lock_init(&br->multicast_lock);
 	setup_timer(&br->multicast_router_timer,
diff -druNp --no-dereference linux-libre-4.4.14-gnu/net/bridge/br_private.h linux-libre-4.4.15-gnu/net/bridge/br_private.h
--- linux-libre-4.4.14-gnu/net/bridge/br_private.h	2016-06-24 13:18:38.000000000 -0400
+++ linux-libre-4.4.15-gnu/net/bridge/br_private.h	2016-07-11 12:31:24.000000000 -0400
@@ -301,6 +301,7 @@ struct net_bridge
 	u8				multicast_disabled:1;
 	u8				multicast_querier:1;
 	u8				multicast_query_use_ifaddr:1;
+	u8				has_ipv6_addr:1;
 
 	u32				hash_elasticity;
 	u32				hash_max;
@@ -574,10 +575,22 @@ static inline bool br_multicast_is_route
 
 static inline bool
 __br_multicast_querier_exists(struct net_bridge *br,
-			      struct bridge_mcast_other_query *querier)
+				struct bridge_mcast_other_query *querier,
+				const bool is_ipv6)
 {
+	bool own_querier_enabled;
+
+	if (br->multicast_querier) {
+		if (is_ipv6 && !br->has_ipv6_addr)
+			own_querier_enabled = false;
+		else
+			own_querier_enabled = true;
+	} else {
+		own_querier_enabled = false;
+	}
+
 	return time_is_before_jiffies(querier->delay_time) &&
-	       (br->multicast_querier || timer_pending(&querier->timer));
+	       (own_querier_enabled || timer_pending(&querier->timer));
 }
 
 static inline bool br_multicast_querier_exists(struct net_bridge *br,
@@ -585,10 +598,12 @@ static inline bool br_multicast_querier_
 {
 	switch (eth->h_proto) {
 	case (htons(ETH_P_IP)):
-		return __br_multicast_querier_exists(br, &br->ip4_other_query);
+		return __br_multicast_querier_exists(br,
+			&br->ip4_other_query, false);
 #if IS_ENABLED(CONFIG_IPV6)
 	case (htons(ETH_P_IPV6)):
-		return __br_multicast_querier_exists(br, &br->ip6_other_query);
+		return __br_multicast_querier_exists(br,
+			&br->ip6_other_query, true);
 #endif
 	default:
 		return false;
diff -druNp --no-dereference linux-libre-4.4.14-gnu/net/core/filter.c linux-libre-4.4.15-gnu/net/core/filter.c
--- linux-libre-4.4.14-gnu/net/core/filter.c	2016-06-24 13:18:38.000000000 -0400
+++ linux-libre-4.4.15-gnu/net/core/filter.c	2016-07-11 12:31:24.000000000 -0400
@@ -1275,9 +1275,7 @@ static u64 bpf_skb_store_bytes(u64 r1, u
 	 */
 	if (unlikely((u32) offset > 0xffff || len > sizeof(buf)))
 		return -EFAULT;
-
-	if (unlikely(skb_cloned(skb) &&
-		     !skb_clone_writable(skb, offset + len)))
+	if (unlikely(skb_try_make_writable(skb, offset + len)))
 		return -EFAULT;
 
 	ptr = skb_header_pointer(skb, offset, len, buf);
@@ -1321,8 +1319,7 @@ static u64 bpf_l3_csum_replace(u64 r1, u
 	if (unlikely((u32) offset > 0xffff))
 		return -EFAULT;
 
-	if (unlikely(skb_cloned(skb) &&
-		     !skb_clone_writable(skb, offset + sizeof(sum))))
+	if (unlikely(skb_try_make_writable(skb, offset + sizeof(sum))))
 		return -EFAULT;
 
 	ptr = skb_header_pointer(skb, offset, sizeof(sum), &sum);
@@ -1367,9 +1364,7 @@ static u64 bpf_l4_csum_replace(u64 r1, u
 
 	if (unlikely((u32) offset > 0xffff))
 		return -EFAULT;
-
-	if (unlikely(skb_cloned(skb) &&
-		     !skb_clone_writable(skb, offset + sizeof(sum))))
+	if (unlikely(skb_try_make_writable(skb, offset + sizeof(sum))))
 		return -EFAULT;
 
 	ptr = skb_header_pointer(skb, offset, sizeof(sum), &sum);
@@ -1554,6 +1549,13 @@ bool bpf_helper_changes_skb_data(void *f
 		return true;
 	if (func == bpf_skb_vlan_pop)
 		return true;
+	if (func == bpf_skb_store_bytes)
+		return true;
+	if (func == bpf_l3_csum_replace)
+		return true;
+	if (func == bpf_l4_csum_replace)
+		return true;
+
 	return false;
 }
 
diff -druNp --no-dereference linux-libre-4.4.14-gnu/net/core/neighbour.c linux-libre-4.4.15-gnu/net/core/neighbour.c
--- linux-libre-4.4.14-gnu/net/core/neighbour.c	2016-06-24 13:18:38.000000000 -0400
+++ linux-libre-4.4.15-gnu/net/core/neighbour.c	2016-07-11 12:31:24.000000000 -0400
@@ -2467,13 +2467,17 @@ int neigh_xmit(int index, struct net_dev
 		tbl = neigh_tables[index];
 		if (!tbl)
 			goto out;
+		rcu_read_lock_bh();
 		neigh = __neigh_lookup_noref(tbl, addr, dev);
 		if (!neigh)
 			neigh = __neigh_create(tbl, addr, dev, false);
 		err = PTR_ERR(neigh);
-		if (IS_ERR(neigh))
+		if (IS_ERR(neigh)) {
+			rcu_read_unlock_bh();
 			goto out_kfree_skb;
+		}
 		err = neigh->output(neigh, skb);
+		rcu_read_unlock_bh();
 	}
 	else if (index == NEIGH_LINK_TABLE) {
 		err = dev_hard_header(skb, dev, ntohs(skb->protocol),
diff -druNp --no-dereference linux-libre-4.4.14-gnu/net/ipv4/esp4.c linux-libre-4.4.15-gnu/net/ipv4/esp4.c
--- linux-libre-4.4.14-gnu/net/ipv4/esp4.c	2016-06-24 13:18:38.000000000 -0400
+++ linux-libre-4.4.15-gnu/net/ipv4/esp4.c	2016-07-11 12:31:24.000000000 -0400
@@ -23,6 +23,11 @@ struct esp_skb_cb {
 	void *tmp;
 };
 
+struct esp_output_extra {
+	__be32 seqhi;
+	u32 esphoff;
+};
+
 #define ESP_SKB_CB(__skb) ((struct esp_skb_cb *)&((__skb)->cb[0]))
 
 static u32 esp4_get_mtu(struct xfrm_state *x, int mtu);
@@ -35,11 +40,11 @@ static u32 esp4_get_mtu(struct xfrm_stat
  *
  * TODO: Use spare space in skb for this where possible.
  */
-static void *esp_alloc_tmp(struct crypto_aead *aead, int nfrags, int seqhilen)
+static void *esp_alloc_tmp(struct crypto_aead *aead, int nfrags, int extralen)
 {
 	unsigned int len;
 
-	len = seqhilen;
+	len = extralen;
 
 	len += crypto_aead_ivsize(aead);
 
@@ -57,15 +62,16 @@ static void *esp_alloc_tmp(struct crypto
 	return kmalloc(len, GFP_ATOMIC);
 }
 
-static inline __be32 *esp_tmp_seqhi(void *tmp)
+static inline void *esp_tmp_extra(void *tmp)
 {
-	return PTR_ALIGN((__be32 *)tmp, __alignof__(__be32));
+	return PTR_ALIGN(tmp, __alignof__(struct esp_output_extra));
 }
-static inline u8 *esp_tmp_iv(struct crypto_aead *aead, void *tmp, int seqhilen)
+
+static inline u8 *esp_tmp_iv(struct crypto_aead *aead, void *tmp, int extralen)
 {
 	return crypto_aead_ivsize(aead) ?
-	       PTR_ALIGN((u8 *)tmp + seqhilen,
-			 crypto_aead_alignmask(aead) + 1) : tmp + seqhilen;
+	       PTR_ALIGN((u8 *)tmp + extralen,
+			 crypto_aead_alignmask(aead) + 1) : tmp + extralen;
 }
 
 static inline struct aead_request *esp_tmp_req(struct crypto_aead *aead, u8 *iv)
@@ -99,7 +105,7 @@ static void esp_restore_header(struct sk
 {
 	struct ip_esp_hdr *esph = (void *)(skb->data + offset);
 	void *tmp = ESP_SKB_CB(skb)->tmp;
-	__be32 *seqhi = esp_tmp_seqhi(tmp);
+	__be32 *seqhi = esp_tmp_extra(tmp);
 
 	esph->seq_no = esph->spi;
 	esph->spi = *seqhi;
@@ -107,7 +113,11 @@ static void esp_restore_header(struct sk
 
 static void esp_output_restore_header(struct sk_buff *skb)
 {
-	esp_restore_header(skb, skb_transport_offset(skb) - sizeof(__be32));
+	void *tmp = ESP_SKB_CB(skb)->tmp;
+	struct esp_output_extra *extra = esp_tmp_extra(tmp);
+
+	esp_restore_header(skb, skb_transport_offset(skb) + extra->esphoff -
+				sizeof(__be32));
 }
 
 static void esp_output_done_esn(struct crypto_async_request *base, int err)
@@ -121,6 +131,7 @@ static void esp_output_done_esn(struct c
 static int esp_output(struct xfrm_state *x, struct sk_buff *skb)
 {
 	int err;
+	struct esp_output_extra *extra;
 	struct ip_esp_hdr *esph;
 	struct crypto_aead *aead;
 	struct aead_request *req;
@@ -137,8 +148,7 @@ static int esp_output(struct xfrm_state
 	int tfclen;
 	int nfrags;
 	int assoclen;
-	int seqhilen;
-	__be32 *seqhi;
+	int extralen;
 	__be64 seqno;
 
 	/* skb is pure payload to encrypt */
@@ -166,21 +176,21 @@ static int esp_output(struct xfrm_state
 	nfrags = err;
 
 	assoclen = sizeof(*esph);
-	seqhilen = 0;
+	extralen = 0;
 
 	if (x->props.flags & XFRM_STATE_ESN) {
-		seqhilen += sizeof(__be32);
-		assoclen += seqhilen;
+		extralen += sizeof(*extra);
+		assoclen += sizeof(__be32);
 	}
 
-	tmp = esp_alloc_tmp(aead, nfrags, seqhilen);
+	tmp = esp_alloc_tmp(aead, nfrags, extralen);
 	if (!tmp) {
 		err = -ENOMEM;
 		goto error;
 	}
 
-	seqhi = esp_tmp_seqhi(tmp);
-	iv = esp_tmp_iv(aead, tmp, seqhilen);
+	extra = esp_tmp_extra(tmp);
+	iv = esp_tmp_iv(aead, tmp, extralen);
 	req = esp_tmp_req(aead, iv);
 	sg = esp_req_sg(aead, req);
 
@@ -247,8 +257,10 @@ static int esp_output(struct xfrm_state
 	 * encryption.
 	 */
 	if ((x->props.flags & XFRM_STATE_ESN)) {
-		esph = (void *)(skb_transport_header(skb) - sizeof(__be32));
-		*seqhi = esph->spi;
+		extra->esphoff = (unsigned char *)esph -
+				 skb_transport_header(skb);
+		esph = (struct ip_esp_hdr *)((unsigned char *)esph - 4);
+		extra->seqhi = esph->spi;
 		esph->seq_no = htonl(XFRM_SKB_CB(skb)->seq.output.hi);
 		aead_request_set_callback(req, 0, esp_output_done_esn, skb);
 	}
@@ -445,7 +457,7 @@ static int esp_input(struct xfrm_state *
 		goto out;
 
 	ESP_SKB_CB(skb)->tmp = tmp;
-	seqhi = esp_tmp_seqhi(tmp);
+	seqhi = esp_tmp_extra(tmp);
 	iv = esp_tmp_iv(aead, tmp, seqhilen);
 	req = esp_tmp_req(aead, iv);
 	sg = esp_req_sg(aead, req);
diff -druNp --no-dereference linux-libre-4.4.14-gnu/net/ipv4/ipmr.c linux-libre-4.4.15-gnu/net/ipv4/ipmr.c
--- linux-libre-4.4.14-gnu/net/ipv4/ipmr.c	2016-06-24 13:18:38.000000000 -0400
+++ linux-libre-4.4.15-gnu/net/ipv4/ipmr.c	2016-07-11 12:31:24.000000000 -0400
@@ -882,8 +882,10 @@ static struct mfc_cache *ipmr_cache_allo
 {
 	struct mfc_cache *c = kmem_cache_zalloc(mrt_cachep, GFP_KERNEL);
 
-	if (c)
+	if (c) {
+		c->mfc_un.res.last_assert = jiffies - MFC_ASSERT_THRESH - 1;
 		c->mfc_un.res.minvif = MAXVIFS;
+	}
 	return c;
 }
 
diff -druNp --no-dereference linux-libre-4.4.14-gnu/net/ipv6/ip6mr.c linux-libre-4.4.15-gnu/net/ipv6/ip6mr.c
--- linux-libre-4.4.14-gnu/net/ipv6/ip6mr.c	2016-06-24 13:18:38.000000000 -0400
+++ linux-libre-4.4.15-gnu/net/ipv6/ip6mr.c	2016-07-11 12:31:24.000000000 -0400
@@ -1074,6 +1074,7 @@ static struct mfc6_cache *ip6mr_cache_al
 	struct mfc6_cache *c = kmem_cache_zalloc(mrt_cachep, GFP_KERNEL);
 	if (!c)
 		return NULL;
+	c->mfc_un.res.last_assert = jiffies - MFC_ASSERT_THRESH - 1;
 	c->mfc_un.res.minvif = MAXMIFS;
 	return c;
 }
diff -druNp --no-dereference linux-libre-4.4.14-gnu/net/ipv6/sit.c linux-libre-4.4.15-gnu/net/ipv6/sit.c
--- linux-libre-4.4.14-gnu/net/ipv6/sit.c	2016-06-24 13:18:38.000000000 -0400
+++ linux-libre-4.4.15-gnu/net/ipv6/sit.c	2016-07-11 12:31:24.000000000 -0400
@@ -560,13 +560,13 @@ static int ipip6_err(struct sk_buff *skb
 
 	if (type == ICMP_DEST_UNREACH && code == ICMP_FRAG_NEEDED) {
 		ipv4_update_pmtu(skb, dev_net(skb->dev), info,
-				 t->parms.link, 0, IPPROTO_IPV6, 0);
+				 t->parms.link, 0, iph->protocol, 0);
 		err = 0;
 		goto out;
 	}
 	if (type == ICMP_REDIRECT) {
 		ipv4_redirect(skb, dev_net(skb->dev), t->parms.link, 0,
-			      IPPROTO_IPV6, 0);
+			      iph->protocol, 0);
 		err = 0;
 		goto out;
 	}
diff -druNp --no-dereference linux-libre-4.4.14-gnu/net/sched/act_csum.c linux-libre-4.4.15-gnu/net/sched/act_csum.c
--- linux-libre-4.4.14-gnu/net/sched/act_csum.c	2016-06-24 13:18:38.000000000 -0400
+++ linux-libre-4.4.15-gnu/net/sched/act_csum.c	2016-07-11 12:31:24.000000000 -0400
@@ -105,9 +105,7 @@ static void *tcf_csum_skb_nextlayer(stru
 	int hl = ihl + jhl;
 
 	if (!pskb_may_pull(skb, ipl + ntkoff) || (ipl < hl) ||
-	    (skb_cloned(skb) &&
-	     !skb_clone_writable(skb, hl + ntkoff) &&
-	     pskb_expand_head(skb, 0, 0, GFP_ATOMIC)))
+	    skb_try_make_writable(skb, hl + ntkoff))
 		return NULL;
 	else
 		return (void *)(skb_network_header(skb) + ihl);
@@ -365,9 +363,7 @@ static int tcf_csum_ipv4(struct sk_buff
 	}
 
 	if (update_flags & TCA_CSUM_UPDATE_FLAG_IPV4HDR) {
-		if (skb_cloned(skb) &&
-		    !skb_clone_writable(skb, sizeof(*iph) + ntkoff) &&
-		    pskb_expand_head(skb, 0, 0, GFP_ATOMIC))
+		if (skb_try_make_writable(skb, sizeof(*iph) + ntkoff))
 			goto fail;
 
 		ip_send_check(ip_hdr(skb));
diff -druNp --no-dereference linux-libre-4.4.14-gnu/net/sched/act_nat.c linux-libre-4.4.15-gnu/net/sched/act_nat.c
--- linux-libre-4.4.14-gnu/net/sched/act_nat.c	2016-06-24 13:18:38.000000000 -0400
+++ linux-libre-4.4.15-gnu/net/sched/act_nat.c	2016-07-11 12:31:24.000000000 -0400
@@ -126,9 +126,7 @@ static int tcf_nat(struct sk_buff *skb,
 		addr = iph->daddr;
 
 	if (!((old_addr ^ addr) & mask)) {
-		if (skb_cloned(skb) &&
-		    !skb_clone_writable(skb, sizeof(*iph) + noff) &&
-		    pskb_expand_head(skb, 0, 0, GFP_ATOMIC))
+		if (skb_try_make_writable(skb, sizeof(*iph) + noff))
 			goto drop;
 
 		new_addr &= mask;
@@ -156,9 +154,7 @@ static int tcf_nat(struct sk_buff *skb,
 		struct tcphdr *tcph;
 
 		if (!pskb_may_pull(skb, ihl + sizeof(*tcph) + noff) ||
-		    (skb_cloned(skb) &&
-		     !skb_clone_writable(skb, ihl + sizeof(*tcph) + noff) &&
-		     pskb_expand_head(skb, 0, 0, GFP_ATOMIC)))
+		    skb_try_make_writable(skb, ihl + sizeof(*tcph) + noff))
 			goto drop;
 
 		tcph = (void *)(skb_network_header(skb) + ihl);
@@ -171,9 +167,7 @@ static int tcf_nat(struct sk_buff *skb,
 		struct udphdr *udph;
 
 		if (!pskb_may_pull(skb, ihl + sizeof(*udph) + noff) ||
-		    (skb_cloned(skb) &&
-		     !skb_clone_writable(skb, ihl + sizeof(*udph) + noff) &&
-		     pskb_expand_head(skb, 0, 0, GFP_ATOMIC)))
+		    skb_try_make_writable(skb, ihl + sizeof(*udph) + noff))
 			goto drop;
 
 		udph = (void *)(skb_network_header(skb) + ihl);
@@ -213,10 +207,8 @@ static int tcf_nat(struct sk_buff *skb,
 		if ((old_addr ^ addr) & mask)
 			break;
 
-		if (skb_cloned(skb) &&
-		    !skb_clone_writable(skb, ihl + sizeof(*icmph) +
-					     sizeof(*iph) + noff) &&
-		    pskb_expand_head(skb, 0, 0, GFP_ATOMIC))
+		if (skb_try_make_writable(skb, ihl + sizeof(*icmph) +
+					  sizeof(*iph) + noff))
 			goto drop;
 
 		icmph = (void *)(skb_network_header(skb) + ihl);
diff -druNp --no-dereference linux-libre-4.4.14-gnu/net/sched/sch_fifo.c linux-libre-4.4.15-gnu/net/sched/sch_fifo.c
--- linux-libre-4.4.14-gnu/net/sched/sch_fifo.c	2016-06-24 13:18:38.000000000 -0400
+++ linux-libre-4.4.15-gnu/net/sched/sch_fifo.c	2016-07-11 12:31:24.000000000 -0400
@@ -37,14 +37,18 @@ static int pfifo_enqueue(struct sk_buff
 
 static int pfifo_tail_enqueue(struct sk_buff *skb, struct Qdisc *sch)
 {
+	unsigned int prev_backlog;
+
 	if (likely(skb_queue_len(&sch->q) < sch->limit))
 		return qdisc_enqueue_tail(skb, sch);
 
+	prev_backlog = sch->qstats.backlog;
 	/* queue full, remove one skb to fulfill the limit */
 	__qdisc_queue_drop_head(sch, &sch->q);
 	qdisc_qstats_drop(sch);
 	qdisc_enqueue_tail(skb, sch);
 
+	qdisc_tree_reduce_backlog(sch, 0, prev_backlog - sch->qstats.backlog);
 	return NET_XMIT_CN;
 }
 
diff -druNp --no-dereference linux-libre-4.4.14-gnu/net/sched/sch_netem.c linux-libre-4.4.15-gnu/net/sched/sch_netem.c
--- linux-libre-4.4.14-gnu/net/sched/sch_netem.c	2016-06-24 13:18:38.000000000 -0400
+++ linux-libre-4.4.15-gnu/net/sched/sch_netem.c	2016-07-11 12:31:24.000000000 -0400
@@ -650,14 +650,14 @@ deliver:
 #endif
 
 			if (q->qdisc) {
+				unsigned int pkt_len = qdisc_pkt_len(skb);
 				int err = qdisc_enqueue(skb, q->qdisc);
 
-				if (unlikely(err != NET_XMIT_SUCCESS)) {
-					if (net_xmit_drop_count(err)) {
-						qdisc_qstats_drop(sch);
-						qdisc_tree_reduce_backlog(sch, 1,
-									  qdisc_pkt_len(skb));
-					}
+				if (err != NET_XMIT_SUCCESS &&
+				    net_xmit_drop_count(err)) {
+					qdisc_qstats_drop(sch);
+					qdisc_tree_reduce_backlog(sch, 1,
+								  pkt_len);
 				}
 				goto tfifo_dequeue;
 			}
