kernel-alx-legacy/patches-4.9/0185-4.9.86-all-fixes.patch

diff --git a/Makefile b/Makefile
index 77deaa395d69..e918d25e95bb 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 VERSION = 4
 PATCHLEVEL = 9
-SUBLEVEL = 85
+SUBLEVEL = 86
 EXTRAVERSION =
 NAME = Roaring Lionus
 
diff --git a/arch/arm/boot/dts/ls1021a-qds.dts b/arch/arm/boot/dts/ls1021a-qds.dts
index 940875316d0f..67b4de0e3439 100644
--- a/arch/arm/boot/dts/ls1021a-qds.dts
+++ b/arch/arm/boot/dts/ls1021a-qds.dts
@@ -215,7 +215,7 @@
 				reg = <0x2a>;
 				VDDA-supply = <&reg_3p3v>;
 				VDDIO-supply = <&reg_3p3v>;
-				clocks = <&sys_mclk 1>;
+				clocks = <&sys_mclk>;
 			};
 		};
 	};
diff --git a/arch/arm/boot/dts/ls1021a-twr.dts b/arch/arm/boot/dts/ls1021a-twr.dts
index a8b148ad1dd2..44715c8ef756 100644
--- a/arch/arm/boot/dts/ls1021a-twr.dts
+++ b/arch/arm/boot/dts/ls1021a-twr.dts
@@ -187,7 +187,7 @@
 		reg = <0x0a>;
 		VDDA-supply = <&reg_3p3v>;
 		VDDIO-supply = <&reg_3p3v>;
-		clocks = <&sys_mclk 1>;
+		clocks = <&sys_mclk>;
 	};
 };
 
diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c
index 2a35c1963f6d..7f868d9bb5ed 100644
--- a/arch/arm/kvm/mmu.c
+++ b/arch/arm/kvm/mmu.c
@@ -1284,7 +1284,7 @@ static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa,
 		return -EFAULT;
 	}
 
-	if (vma_kernel_pagesize(vma) && !logging_active) {
+	if (vma_kernel_pagesize(vma) == PMD_SIZE && !logging_active) {
 		hugetlb = true;
 		gfn = (fault_ipa & PMD_MASK) >> PAGE_SHIFT;
 	} else {
diff --git a/arch/arm/lib/csumpartialcopyuser.S b/arch/arm/lib/csumpartialcopyuser.S
index 1712f132b80d..b83fdc06286a 100644
--- a/arch/arm/lib/csumpartialcopyuser.S
+++ b/arch/arm/lib/csumpartialcopyuser.S
@@ -85,7 +85,11 @@
 		.pushsection .text.fixup,"ax"
 		.align	4
 9001:		mov	r4, #-EFAULT
+#ifdef CONFIG_CPU_SW_DOMAIN_PAN
+		ldr	r5, [sp, #9*4]		@ *err_ptr
+#else
 		ldr	r5, [sp, #8*4]		@ *err_ptr
+#endif
 		str	r4, [r5]
 		ldmia	sp, {r1, r2}		@ retrieve dst, len
 		add	r2, r2, r1
diff --git a/arch/mips/lib/Makefile b/arch/mips/lib/Makefile
index 0344e575f522..fba4ca56e46a 100644
--- a/arch/mips/lib/Makefile
+++ b/arch/mips/lib/Makefile
@@ -15,4 +15,5 @@ obj-$(CONFIG_CPU_R3000)		+= r3k_dump_tlb.o
 obj-$(CONFIG_CPU_TX39XX)	+= r3k_dump_tlb.o
 
 # libgcc-style stuff needed in the kernel
-obj-y += ashldi3.o ashrdi3.o bswapsi.o bswapdi.o cmpdi2.o lshrdi3.o ucmpdi2.o
+obj-y += ashldi3.o ashrdi3.o bswapsi.o bswapdi.o cmpdi2.o lshrdi3.o multi3.o \
+	 ucmpdi2.o
diff --git a/arch/mips/lib/libgcc.h b/arch/mips/lib/libgcc.h
index 05909d58e2fe..56ea0df60a44 100644
--- a/arch/mips/lib/libgcc.h
+++ b/arch/mips/lib/libgcc.h
@@ -9,10 +9,18 @@ typedef int word_type __attribute__ ((mode (__word__)));
 struct DWstruct {
 	int high, low;
 };
+
+struct TWstruct {
+	long long high, low;
+};
 #elif defined(__LITTLE_ENDIAN)
 struct DWstruct {
 	int low, high;
 };
+
+struct TWstruct {
+	long long low, high;
+};
 #else
 #error I feel sick.
 #endif
@@ -22,4 +30,13 @@ typedef union {
 	long long ll;
 } DWunion;
 
+#if defined(CONFIG_64BIT) && defined(CONFIG_CPU_MIPSR6)
+typedef int ti_type __attribute__((mode(TI)));
+
+typedef union {
+	struct TWstruct s;
+	ti_type ti;
+} TWunion;
+#endif
+
 #endif /* __ASM_LIBGCC_H */
diff --git a/arch/mips/lib/multi3.c b/arch/mips/lib/multi3.c
new file mode 100644
index 000000000000..111ad475aa0c
--- /dev/null
+++ b/arch/mips/lib/multi3.c
@@ -0,0 +1,54 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/export.h>
+
+#include "libgcc.h"
+
+/*
+ * GCC 7 suboptimally generates __multi3 calls for mips64r6, so for that
+ * specific case only we'll implement it here.
+ *
+ * See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82981
+ */
+#if defined(CONFIG_64BIT) && defined(CONFIG_CPU_MIPSR6) && (__GNUC__ == 7)
+
+/* multiply 64-bit values, low 64-bits returned */
+static inline long long notrace dmulu(long long a, long long b)
+{
+	long long res;
+
+	asm ("dmulu %0,%1,%2" : "=r" (res) : "r" (a), "r" (b));
+	return res;
+}
+
+/* multiply 64-bit unsigned values, high 64-bits of 128-bit result returned */
+static inline long long notrace dmuhu(long long a, long long b)
+{
+	long long res;
+
+	asm ("dmuhu %0,%1,%2" : "=r" (res) : "r" (a), "r" (b));
+	return res;
+}
+
+/* multiply 128-bit values, low 128-bits returned */
+ti_type notrace __multi3(ti_type a, ti_type b)
+{
+	TWunion res, aa, bb;
+
+	aa.ti = a;
+	bb.ti = b;
+
+	/*
+	 * a * b =           (a.lo * b.lo)
+	 *         + 2^64  * (a.hi * b.lo + a.lo * b.hi)
+	 *        [+ 2^128 * (a.hi * b.hi)]
+	 */
+	res.s.low = dmulu(aa.s.low, bb.s.low);
+	res.s.high = dmuhu(aa.s.low, bb.s.low);
+	res.s.high += dmulu(aa.s.high, bb.s.low);
+	res.s.high += dmulu(aa.s.low, bb.s.high);
+
+	return res.ti;
+}
+EXPORT_SYMBOL(__multi3);
+
+#endif /* 64BIT && CPU_MIPSR6 && GCC7 */
diff --git a/arch/sh/boards/mach-se/770x/setup.c b/arch/sh/boards/mach-se/770x/setup.c
index 658326f44df8..5e0267624d8d 100644
--- a/arch/sh/boards/mach-se/770x/setup.c
+++ b/arch/sh/boards/mach-se/770x/setup.c
@@ -8,6 +8,7 @@
  */
 #include <linux/init.h>
 #include <linux/platform_device.h>
+#include <linux/sh_eth.h>
 #include <mach-se/mach/se.h>
 #include <mach-se/mach/mrshpc.h>
 #include <asm/machvec.h>
@@ -114,6 +115,11 @@ static struct platform_device heartbeat_device = {
 #if defined(CONFIG_CPU_SUBTYPE_SH7710) ||\
 	defined(CONFIG_CPU_SUBTYPE_SH7712)
 /* SH771X Ethernet driver */
+static struct sh_eth_plat_data sh_eth_plat = {
+	.phy = PHY_ID,
+	.phy_interface = PHY_INTERFACE_MODE_MII,
+};
+
 static struct resource sh_eth0_resources[] = {
 	[0] = {
 		.start = SH_ETH0_BASE,
@@ -131,7 +137,7 @@ static struct platform_device sh_eth0_device = {
 	.name = "sh771x-ether",
 	.id = 0,
 	.dev = {
-		.platform_data = PHY_ID,
+		.platform_data = &sh_eth_plat,
 	},
 	.num_resources = ARRAY_SIZE(sh_eth0_resources),
 	.resource = sh_eth0_resources,
@@ -154,7 +160,7 @@ static struct platform_device sh_eth1_device = {
 	.name = "sh771x-ether",
 	.id = 1,
 	.dev = {
-		.platform_data = PHY_ID,
+		.platform_data = &sh_eth_plat,
 	},
 	.num_resources = ARRAY_SIZE(sh_eth1_resources),
 	.resource = sh_eth1_resources,
diff --git a/arch/x86/include/asm/asm.h b/arch/x86/include/asm/asm.h
index 7bb29a416b77..f35f246a26bf 100644
--- a/arch/x86/include/asm/asm.h
+++ b/arch/x86/include/asm/asm.h
@@ -128,6 +128,7 @@
 #endif
 
 #ifndef __ASSEMBLY__
+#ifndef __BPF__
 /*
  * This output constraint should be used for any inline asm which has a "call"
  * instruction.  Otherwise the asm may be inserted before the frame pointer
@@ -137,5 +138,6 @@
 register unsigned long current_stack_pointer asm(_ASM_SP);
 #define ASM_CALL_CONSTRAINT "+r" (current_stack_pointer)
 #endif
+#endif
 
 #endif /* _ASM_X86_ASM_H */
diff --git a/drivers/dma/fsl-edma.c b/drivers/dma/fsl-edma.c
index 6775f2c74e25..c7568869284e 100644
--- a/drivers/dma/fsl-edma.c
+++ b/drivers/dma/fsl-edma.c
@@ -863,11 +863,11 @@ static void fsl_edma_irq_exit(
 	}
 }
 
-static void fsl_disable_clocks(struct fsl_edma_engine *fsl_edma)
+static void fsl_disable_clocks(struct fsl_edma_engine *fsl_edma, int nr_clocks)
 {
 	int i;
 
-	for (i = 0; i < DMAMUX_NR; i++)
+	for (i = 0; i < nr_clocks; i++)
 		clk_disable_unprepare(fsl_edma->muxclk[i]);
 }
 
@@ -904,25 +904,25 @@ static int fsl_edma_probe(struct platform_device *pdev)
 
 		res = platform_get_resource(pdev, IORESOURCE_MEM, 1 + i);
 		fsl_edma->muxbase[i] = devm_ioremap_resource(&pdev->dev, res);
-		if (IS_ERR(fsl_edma->muxbase[i]))
+		if (IS_ERR(fsl_edma->muxbase[i])) {
+			/* on error: disable all previously enabled clks */
+			fsl_disable_clocks(fsl_edma, i);
 			return PTR_ERR(fsl_edma->muxbase[i]);
+		}
 
 		sprintf(clkname, "dmamux%d", i);
 		fsl_edma->muxclk[i] = devm_clk_get(&pdev->dev, clkname);
 		if (IS_ERR(fsl_edma->muxclk[i])) {
 			dev_err(&pdev->dev, "Missing DMAMUX block clock.\n");
+			/* on error: disable all previously enabled clks */
+			fsl_disable_clocks(fsl_edma, i);
 			return PTR_ERR(fsl_edma->muxclk[i]);
 		}
 
 		ret = clk_prepare_enable(fsl_edma->muxclk[i]);
-		if (ret) {
-			/* disable only clks which were enabled on error */
-			for (; i >= 0; i--)
-				clk_disable_unprepare(fsl_edma->muxclk[i]);
-
-			dev_err(&pdev->dev, "DMAMUX clk block failed.\n");
-			return ret;
-		}
+		if (ret)
+			/* on error: disable all previously enabled clks */
+			fsl_disable_clocks(fsl_edma, i);
 
 	}
 
@@ -976,7 +976,7 @@ static int fsl_edma_probe(struct platform_device *pdev)
 	if (ret) {
 		dev_err(&pdev->dev,
 			"Can't register Freescale eDMA engine. (%d)\n", ret);
-		fsl_disable_clocks(fsl_edma);
+		fsl_disable_clocks(fsl_edma, DMAMUX_NR);
 		return ret;
 	}
 
@@ -985,7 +985,7 @@ static int fsl_edma_probe(struct platform_device *pdev)
 		dev_err(&pdev->dev,
 			"Can't register Freescale eDMA of_dma. (%d)\n", ret);
 		dma_async_device_unregister(&fsl_edma->dma_dev);
-		fsl_disable_clocks(fsl_edma);
+		fsl_disable_clocks(fsl_edma, DMAMUX_NR);
 		return ret;
 	}
 
@@ -1015,7 +1015,7 @@ static int fsl_edma_remove(struct platform_device *pdev)
 	fsl_edma_cleanup_vchan(&fsl_edma->dma_dev);
 	of_dma_controller_free(np);
 	dma_async_device_unregister(&fsl_edma->dma_dev);
-	fsl_disable_clocks(fsl_edma);
+	fsl_disable_clocks(fsl_edma, DMAMUX_NR);
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/base.c
index a4cb82495cee..245c946ea661 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/base.c
@@ -136,6 +136,13 @@ nvkm_pci_init(struct nvkm_subdev *subdev)
 		return ret;
 
 	pci->irq = pdev->irq;
+
+	/* Ensure MSI interrupts are armed, for the case where there are
+	 * already interrupts pending (for whatever reason) at load time.
+	 */
+	if (pci->msi)
+		pci->func->msi_rearm(pci);
+
 	return ret;
 }
 
diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c
index ddd6badd0eee..c756b2b7f5dc 100644
--- a/drivers/gpu/drm/ttm/ttm_page_alloc.c
+++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c
@@ -818,6 +818,8 @@ int ttm_page_alloc_init(struct ttm_mem_global *glob, unsigned max_pages)
 	pr_info("Initializing pool allocator\n");
 
 	_manager = kzalloc(sizeof(*_manager), GFP_KERNEL);
+	if (!_manager)
+		return -ENOMEM;
 
 	ttm_page_pool_init_locked(&_manager->wc_pool, GFP_HIGHUSER, "wc");
 
diff --git a/drivers/i2c/busses/i2c-designware-core.c b/drivers/i2c/busses/i2c-designware-core.c
index 809f4d4e93a0..340e037b3224 100644
--- a/drivers/i2c/busses/i2c-designware-core.c
+++ b/drivers/i2c/busses/i2c-designware-core.c
@@ -507,7 +507,7 @@ static void i2c_dw_xfer_init(struct dw_i2c_dev *dev)
 	i2c_dw_disable_int(dev);
 
 	/* Enable the adapter */
-	__i2c_dw_enable(dev, true);
+	__i2c_dw_enable_and_wait(dev, true);
 
 	/* Clear and enable interrupts */
 	dw_readl(dev, DW_IC_CLR_INTR);
diff --git a/drivers/infiniband/hw/mlx4/mr.c b/drivers/infiniband/hw/mlx4/mr.c
index 5d73989d9771..ae41623e0f13 100644
--- a/drivers/infiniband/hw/mlx4/mr.c
+++ b/drivers/infiniband/hw/mlx4/mr.c
@@ -406,7 +406,6 @@ struct ib_mr *mlx4_ib_alloc_mr(struct ib_pd *pd,
 		goto err_free_mr;
 
 	mr->max_pages = max_num_sg;
-
 	err = mlx4_mr_enable(dev->dev, &mr->mmr);
 	if (err)
 		goto err_free_pl;
@@ -417,6 +416,7 @@ struct ib_mr *mlx4_ib_alloc_mr(struct ib_pd *pd,
 	return &mr->ibmr;
 
 err_free_pl:
+	mr->ibmr.device = pd->device;
 	mlx4_free_priv_pages(mr);
 err_free_mr:
 	(void) mlx4_mr_free(dev->dev, &mr->mmr);
diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index 0a260a06876d..c7d5786d366b 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -1648,6 +1648,7 @@ struct ib_mr *mlx5_ib_alloc_mr(struct ib_pd *pd,
 	MLX5_SET(mkc, mkc, access_mode, mr->access_mode);
 	MLX5_SET(mkc, mkc, umr_en, 1);
 
+	mr->ibmr.device = pd->device;
 	err = mlx5_core_create_mkey(dev->mdev, &mr->mmkey, in, inlen);
 	if (err)
 		goto err_destroy_psv;
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 183db0cd849e..e37e918cb935 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -919,8 +919,8 @@ static int path_rec_start(struct net_device *dev,
 	return 0;
 }
 
-static void neigh_add_path(struct sk_buff *skb, u8 *daddr,
-			   struct net_device *dev)
+static struct ipoib_neigh *neigh_add_path(struct sk_buff *skb, u8 *daddr,
+					  struct net_device *dev)
 {
 	struct ipoib_dev_priv *priv = netdev_priv(dev);
 	struct ipoib_path *path;
@@ -933,7 +933,15 @@ static void neigh_add_path(struct sk_buff *skb, u8 *daddr,
 		spin_unlock_irqrestore(&priv->lock, flags);
 		++dev->stats.tx_dropped;
 		dev_kfree_skb_any(skb);
-		return;
+		return NULL;
+	}
+
+	/* To avoid race condition, make sure that the
+	 * neigh will be added only once.
+	 */
+	if (unlikely(!list_empty(&neigh->list))) {
+		spin_unlock_irqrestore(&priv->lock, flags);
+		return neigh;
 	}
 
 	path = __path_find(dev, daddr + 4);
@@ -971,7 +979,7 @@ static void neigh_add_path(struct sk_buff *skb, u8 *daddr,
 			spin_unlock_irqrestore(&priv->lock, flags);
 			ipoib_send(dev, skb, path->ah, IPOIB_QPN(daddr));
 			ipoib_neigh_put(neigh);
-			return;
+			return NULL;
 		}
 	} else {
 		neigh->ah  = NULL;
@@ -988,7 +996,7 @@ static void neigh_add_path(struct sk_buff *skb, u8 *daddr,
 
 	spin_unlock_irqrestore(&priv->lock, flags);
 	ipoib_neigh_put(neigh);
-	return;
+	return NULL;
 
 err_path:
 	ipoib_neigh_free(neigh);
@@ -998,6 +1006,8 @@ static void neigh_add_path(struct sk_buff *skb, u8 *daddr,
 
 	spin_unlock_irqrestore(&priv->lock, flags);
 	ipoib_neigh_put(neigh);
+
+	return NULL;
 }
 
 static void unicast_arp_send(struct sk_buff *skb, struct net_device *dev,
@@ -1103,8 +1113,9 @@ static int ipoib_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	case htons(ETH_P_TIPC):
 		neigh = ipoib_neigh_get(dev, phdr->hwaddr);
 		if (unlikely(!neigh)) {
-			neigh_add_path(skb, phdr->hwaddr, dev);
-			return NETDEV_TX_OK;
+			neigh = neigh_add_path(skb, phdr->hwaddr, dev);
+			if (likely(!neigh))
+				return NETDEV_TX_OK;
 		}
 		break;
 	case htons(ETH_P_ARP):
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index fddff403d5d2..6b6826f3e446 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -818,7 +818,10 @@ void ipoib_mcast_send(struct net_device *dev, u8 *daddr, struct sk_buff *skb)
 		spin_lock_irqsave(&priv->lock, flags);
 		if (!neigh) {
 			neigh = ipoib_neigh_alloc(daddr, dev);
-			if (neigh) {
+			/* Make sure that the neigh will be added only
+			 * once to mcast list.
+			 */
+			if (neigh && list_empty(&neigh->list)) {
 				kref_get(&mcast->ah->ref);
 				neigh->ah	= mcast->ah;
 				list_add_tail(&neigh->list, &mcast->neigh_list);
diff --git a/drivers/leds/led-core.c b/drivers/leds/led-core.c
index 3bce44893021..d70d4a5273b8 100644
--- a/drivers/leds/led-core.c
+++ b/drivers/leds/led-core.c
@@ -186,7 +186,7 @@ void led_blink_set(struct led_classdev *led_cdev,
 		   unsigned long *delay_on,
 		   unsigned long *delay_off)
 {
-	del_timer_sync(&led_cdev->blink_timer);
+	led_stop_software_blink(led_cdev);
 
 	led_cdev->flags &= ~LED_BLINK_ONESHOT;
 	led_cdev->flags &= ~LED_BLINK_ONESHOT_STOP;
diff --git a/drivers/mtd/nand/brcmnand/brcmnand.c b/drivers/mtd/nand/brcmnand/brcmnand.c
index 1a4a790054e4..ef9a6b22c9fa 100644
--- a/drivers/mtd/nand/brcmnand/brcmnand.c
+++ b/drivers/mtd/nand/brcmnand/brcmnand.c
@@ -1763,7 +1763,7 @@ static int brcmnand_read(struct mtd_info *mtd, struct nand_chip *chip,
 			err = brcmstb_nand_verify_erased_page(mtd, chip, buf,
 							      addr);
 			/* erased page bitflips corrected */
-			if (err > 0)
+			if (err >= 0)
 				return err;
 		}
 
diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
index 6c062b8251d2..427039b77668 100644
--- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
+++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
@@ -1059,9 +1059,6 @@ static int gpmi_ecc_read_page(struct mtd_info *mtd, struct nand_chip *chip,
 		return ret;
 	}
 
-	/* handle the block mark swapping */
-	block_mark_swapping(this, payload_virt, auxiliary_virt);
-
 	/* Loop over status bytes, accumulating ECC status. */
 	status = auxiliary_virt + nfc_geo->auxiliary_status_offset;
 
@@ -1150,6 +1147,9 @@ static int gpmi_ecc_read_page(struct mtd_info *mtd, struct nand_chip *chip,
 		max_bitflips = max_t(unsigned int, max_bitflips, *status);
 	}
 
+	/* handle the block mark swapping */
+	block_mark_swapping(this, buf, auxiliary_virt);
+
 	if (oob_required) {
 		/*
 		 * It's time to deliver the OOB bytes. See gpmi_ecc_read_oob()
diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c
index 16f7cadda5c3..47f43bdecd51 100644
--- a/drivers/net/can/flexcan.c
+++ b/drivers/net/can/flexcan.c
@@ -493,7 +493,7 @@ static int flexcan_start_xmit(struct sk_buff *skb, struct net_device *dev)
 		data = be32_to_cpup((__be32 *)&cf->data[0]);
 		flexcan_write(data, &regs->mb[FLEXCAN_TX_BUF_ID].data[0]);
 	}
-	if (cf->can_dlc > 3) {
+	if (cf->can_dlc > 4) {
 		data = be32_to_cpup((__be32 *)&cf->data[4]);
 		flexcan_write(data, &regs->mb[FLEXCAN_TX_BUF_ID].data[1]);
 	}
diff --git a/drivers/net/ethernet/arc/emac_main.c b/drivers/net/ethernet/arc/emac_main.c
index be865b4dada2..aba4853e6b70 100644
--- a/drivers/net/ethernet/arc/emac_main.c
+++ b/drivers/net/ethernet/arc/emac_main.c
@@ -210,39 +210,48 @@ static int arc_emac_rx(struct net_device *ndev, int budget)
 			continue;
 		}
 
-		pktlen = info & LEN_MASK;
-		stats->rx_packets++;
-		stats->rx_bytes += pktlen;
-		skb = rx_buff->skb;
-		skb_put(skb, pktlen);
-		skb->dev = ndev;
-		skb->protocol = eth_type_trans(skb, ndev);
-
-		dma_unmap_single(&ndev->dev, dma_unmap_addr(rx_buff, addr),
-				 dma_unmap_len(rx_buff, len), DMA_FROM_DEVICE);
-
-		/* Prepare the BD for next cycle */
-		rx_buff->skb = netdev_alloc_skb_ip_align(ndev,
-							 EMAC_BUFFER_SIZE);
-		if (unlikely(!rx_buff->skb)) {
+		/* Prepare the BD for next cycle. netif_receive_skb()
+		 * only if new skb was allocated and mapped to avoid holes
+		 * in the RX fifo.
+		 */
+		skb = netdev_alloc_skb_ip_align(ndev, EMAC_BUFFER_SIZE);
+		if (unlikely(!skb)) {
+			if (net_ratelimit())
+				netdev_err(ndev, "cannot allocate skb\n");
+			/* Return ownership to EMAC */
+			rxbd->info = cpu_to_le32(FOR_EMAC | EMAC_BUFFER_SIZE);
 			stats->rx_errors++;
-			/* Because receive_skb is below, increment rx_dropped */
 			stats->rx_dropped++;
 			continue;
 		}
 
-		/* receive_skb only if new skb was allocated to avoid holes */
-		netif_receive_skb(skb);
-
-		addr = dma_map_single(&ndev->dev, (void *)rx_buff->skb->data,
+		addr = dma_map_single(&ndev->dev, (void *)skb->data,
 				      EMAC_BUFFER_SIZE, DMA_FROM_DEVICE);
 		if (dma_mapping_error(&ndev->dev, addr)) {
 			if (net_ratelimit())
-				netdev_err(ndev, "cannot dma map\n");
-			dev_kfree_skb(rx_buff->skb);
+				netdev_err(ndev, "cannot map dma buffer\n");
+			dev_kfree_skb(skb);
+			/* Return ownership to EMAC */
+			rxbd->info = cpu_to_le32(FOR_EMAC | EMAC_BUFFER_SIZE);
 			stats->rx_errors++;
+			stats->rx_dropped++;
 			continue;
 		}
+
+		/* unmap previosly mapped skb */
+		dma_unmap_single(&ndev->dev, dma_unmap_addr(rx_buff, addr),
+				 dma_unmap_len(rx_buff, len), DMA_FROM_DEVICE);
+
+		pktlen = info & LEN_MASK;
+		stats->rx_packets++;
+		stats->rx_bytes += pktlen;
+		skb_put(rx_buff->skb, pktlen);
+		rx_buff->skb->dev = ndev;
+		rx_buff->skb->protocol = eth_type_trans(rx_buff->skb, ndev);
+
+		netif_receive_skb(rx_buff->skb);
+
+		rx_buff->skb = skb;
 		dma_unmap_addr_set(rx_buff, addr, addr);
 		dma_unmap_len_set(rx_buff, len, EMAC_BUFFER_SIZE);
 
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index 0a5ee1d973ac..596f88b693ef 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -3034,7 +3034,7 @@ int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode, bool keep_link)
 
 	del_timer_sync(&bp->timer);
 
-	if (IS_PF(bp)) {
+	if (IS_PF(bp) && !BP_NOMCP(bp)) {
 		/* Set ALWAYS_ALIVE bit in shmem */
 		bp->fw_drv_pulse_wr_seq |= DRV_PULSE_ALWAYS_ALIVE;
 		bnx2x_drv_pulse(bp);
@@ -3120,7 +3120,7 @@ int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode, bool keep_link)
 	bp->cnic_loaded = false;
 
 	/* Clear driver version indication in shmem */
-	if (IS_PF(bp))
+	if (IS_PF(bp) && !BP_NOMCP(bp))
 		bnx2x_update_mng_version(bp);
 
 	/* Check if there are pending parity attentions. If there are - set
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index 5d958b5bb8b1..554c4086b3c6 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -9578,6 +9578,15 @@ static int bnx2x_init_shmem(struct bnx2x *bp)
 
 	do {
 		bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
+
+		/* If we read all 0xFFs, means we are in PCI error state and
+		 * should bail out to avoid crashes on adapter's FW reads.
+		 */
+		if (bp->common.shmem_base == 0xFFFFFFFF) {
+			bp->flags |= NO_MCP_FLAG;
+			return -ENODEV;
+		}
+
 		if (bp->common.shmem_base) {
 			val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
 			if (val & SHR_MEM_VALIDITY_MB)
@@ -14312,7 +14321,10 @@ static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
 		BNX2X_ERR("IO slot reset --> driver unload\n");
 
 		/* MCP should have been reset; Need to wait for validity */
-		bnx2x_init_shmem(bp);
+		if (bnx2x_init_shmem(bp)) {
+			rtnl_unlock();
+			return PCI_ERS_RESULT_DISCONNECT;
+		}
 
 		if (IS_PF(bp) && SHMEM2_HAS(bp, drv_capabilities_flag)) {
 			u32 v;
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c
index 60e2af8678bd..393cce3bf2fc 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c
@@ -68,7 +68,7 @@ static int bnxt_vf_ndo_prep(struct bnxt *bp, int vf_id)
 		netdev_err(bp->dev, "vf ndo called though sriov is disabled\n");
 		return -EINVAL;
 	}
-	if (vf_id >= bp->pf.max_vfs) {
+	if (vf_id >= bp->pf.active_vfs) {
 		netdev_err(bp->dev, "Invalid VF id %d\n", vf_id);
 		return -EINVAL;
 	}
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index bb22d325e965..795a133fb074 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -10049,6 +10049,16 @@ static int tg3_reset_hw(struct tg3 *tp, bool reset_phy)
 
 	tw32(GRC_MODE, tp->grc_mode | val);
 
+	/* On one of the AMD platform, MRRS is restricted to 4000 because of
+	 * south bridge limitation. As a workaround, Driver is setting MRRS
+	 * to 2048 instead of default 4096.
+	 */
+	if (tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL &&
+	    tp->pdev->subsystem_device == TG3PCI_SUBDEVICE_ID_DELL_5762) {
+		val = tr32(TG3PCI_DEV_STATUS_CTRL) & ~MAX_READ_REQ_MASK;
+		tw32(TG3PCI_DEV_STATUS_CTRL, val | MAX_READ_REQ_SIZE_2048);
+	}
+
 	/* Setup the timer prescalar register.  Clock is always 66Mhz. */
 	val = tr32(GRC_MISC_CFG);
 	val &= ~0xff;
@@ -14228,7 +14238,8 @@ static int tg3_change_mtu(struct net_device *dev, int new_mtu)
 	 */
 	if (tg3_asic_rev(tp) == ASIC_REV_57766 ||
 	    tg3_asic_rev(tp) == ASIC_REV_5717 ||
-	    tg3_asic_rev(tp) == ASIC_REV_5719)
+	    tg3_asic_rev(tp) == ASIC_REV_5719 ||
+	    tg3_asic_rev(tp) == ASIC_REV_5720)
 		reset_phy = true;
 
 	err = tg3_restart_hw(tp, reset_phy);
diff --git a/drivers/net/ethernet/broadcom/tg3.h b/drivers/net/ethernet/broadcom/tg3.h
index 3b5e98ecba00..6e51b793615c 100644
--- a/drivers/net/ethernet/broadcom/tg3.h
+++ b/drivers/net/ethernet/broadcom/tg3.h
@@ -95,6 +95,7 @@
 #define TG3PCI_SUBDEVICE_ID_DELL_JAGUAR		0x0106
 #define TG3PCI_SUBDEVICE_ID_DELL_MERLOT		0x0109
 #define TG3PCI_SUBDEVICE_ID_DELL_SLIM_MERLOT	0x010a
+#define TG3PCI_SUBDEVICE_ID_DELL_5762		0x07f0
 #define TG3PCI_SUBVENDOR_ID_COMPAQ		PCI_VENDOR_ID_COMPAQ
 #define TG3PCI_SUBDEVICE_ID_COMPAQ_BANSHEE	0x007c
 #define TG3PCI_SUBDEVICE_ID_COMPAQ_BANSHEE_2	0x009a
@@ -280,6 +281,9 @@
 #define TG3PCI_STD_RING_PROD_IDX	0x00000098 /* 64-bit */
 #define TG3PCI_RCV_RET_RING_CON_IDX	0x000000a0 /* 64-bit */
 /* 0xa8 --> 0xb8 unused */
+#define TG3PCI_DEV_STATUS_CTRL		0x000000b4
+#define  MAX_READ_REQ_SIZE_2048		 0x00004000
+#define  MAX_READ_REQ_MASK		 0x00007000
 #define TG3PCI_DUAL_MAC_CTRL		0x000000b8
 #define  DUAL_MAC_CTRL_CH_MASK		 0x00000003
 #define  DUAL_MAC_CTRL_ID		 0x00000004
diff --git a/drivers/net/ethernet/freescale/gianfar_ptp.c b/drivers/net/ethernet/freescale/gianfar_ptp.c
index 57798814160d..ec4b6997f24a 100644
--- a/drivers/net/ethernet/freescale/gianfar_ptp.c
+++ b/drivers/net/ethernet/freescale/gianfar_ptp.c
@@ -314,11 +314,10 @@ static int ptp_gianfar_adjtime(struct ptp_clock_info *ptp, s64 delta)
 	now = tmr_cnt_read(etsects);
 	now += delta;
 	tmr_cnt_write(etsects, now);
+	set_fipers(etsects);
 
 	spin_unlock_irqrestore(&etsects->lock, flags);
 
-	set_fipers(etsects);
-
 	return 0;
 }
 
diff --git a/drivers/net/ethernet/intel/e1000/e1000.h b/drivers/net/ethernet/intel/e1000/e1000.h
index d7bdea79e9fa..8fd2458060a0 100644
--- a/drivers/net/ethernet/intel/e1000/e1000.h
+++ b/drivers/net/ethernet/intel/e1000/e1000.h
@@ -331,7 +331,8 @@ struct e1000_adapter {
 enum e1000_state_t {
 	__E1000_TESTING,
 	__E1000_RESETTING,
-	__E1000_DOWN
+	__E1000_DOWN,
+	__E1000_DISABLED
 };
 
 #undef pr_fmt
diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c
index f42129d09e2c..dd112aa5cebb 100644
--- a/drivers/net/ethernet/intel/e1000/e1000_main.c
+++ b/drivers/net/ethernet/intel/e1000/e1000_main.c
@@ -940,7 +940,7 @@ static int e1000_init_hw_struct(struct e1000_adapter *adapter,
 static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
 	struct net_device *netdev;
-	struct e1000_adapter *adapter;
+	struct e1000_adapter *adapter = NULL;
 	struct e1000_hw *hw;
 
 	static int cards_found;
@@ -950,6 +950,7 @@ static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	u16 tmp = 0;
 	u16 eeprom_apme_mask = E1000_EEPROM_APME;
 	int bars, need_ioport;
+	bool disable_dev = false;
 
 	/* do not allocate ioport bars when not needed */
 	need_ioport = e1000_is_need_ioport(pdev);
@@ -1250,11 +1251,13 @@ static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	iounmap(hw->ce4100_gbe_mdio_base_virt);
 	iounmap(hw->hw_addr);
 err_ioremap:
+	disable_dev = !test_and_set_bit(__E1000_DISABLED, &adapter->flags);
 	free_netdev(netdev);
 err_alloc_etherdev:
 	pci_release_selected_regions(pdev, bars);
 err_pci_reg:
-	pci_disable_device(pdev);
+	if (!adapter || disable_dev)
+		pci_disable_device(pdev);
 	return err;
 }
 
@@ -1272,6 +1275,7 @@ static void e1000_remove(struct pci_dev *pdev)
 	struct net_device *netdev = pci_get_drvdata(pdev);
 	struct e1000_adapter *adapter = netdev_priv(netdev);
 	struct e1000_hw *hw = &adapter->hw;
+	bool disable_dev;
 
 	e1000_down_and_stop(adapter);
 	e1000_release_manageability(adapter);
@@ -1290,9 +1294,11 @@ static void e1000_remove(struct pci_dev *pdev)
 		iounmap(hw->flash_address);
 	pci_release_selected_regions(pdev, adapter->bars);
 
+	disable_dev = !test_and_set_bit(__E1000_DISABLED, &adapter->flags);
 	free_netdev(netdev);
 
-	pci_disable_device(pdev);
+	if (disable_dev)
+		pci_disable_device(pdev);
 }
 
 /**
@@ -5166,7 +5172,8 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake)
 	if (netif_running(netdev))
 		e1000_free_irq(adapter);
 
-	pci_disable_device(pdev);
+	if (!test_and_set_bit(__E1000_DISABLED, &adapter->flags))
+		pci_disable_device(pdev);
 
 	return 0;
 }
@@ -5210,6 +5217,10 @@ static int e1000_resume(struct pci_dev *pdev)
 		pr_err("Cannot enable PCI device from suspend\n");
 		return err;
 	}
+
+	/* flush memory to make sure state is correct */
+	smp_mb__before_atomic();
+	clear_bit(__E1000_DISABLED, &adapter->flags);
 	pci_set_master(pdev);
 
 	pci_enable_wake(pdev, PCI_D3hot, 0);
@@ -5284,7 +5295,9 @@ static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
 
 	if (netif_running(netdev))
 		e1000_down(adapter);
-	pci_disable_device(pdev);
+
+	if (!test_and_set_bit(__E1000_DISABLED, &adapter->flags))
+		pci_disable_device(pdev);
 
 	/* Request a slot slot reset. */
 	return PCI_ERS_RESULT_NEED_RESET;
@@ -5312,6 +5325,10 @@ static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
 		pr_err("Cannot re-enable PCI device after reset.\n");
 		return PCI_ERS_RESULT_DISCONNECT;
 	}
+
+	/* flush memory to make sure state is correct */
+	smp_mb__before_atomic();
+	clear_bit(__E1000_DISABLED, &adapter->flags);
 	pci_set_master(pdev);
 
 	pci_enable_wake(pdev, PCI_D3hot, 0);
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
index c5430394fac9..28b640fa2e35 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
@@ -2670,10 +2670,30 @@ bool __i40e_chk_linearize(struct sk_buff *skb)
 	/* Walk through fragments adding latest fragment, testing it, and
 	 * then removing stale fragments from the sum.
 	 */
-	stale = &skb_shinfo(skb)->frags[0];
-	for (;;) {
+	for (stale = &skb_shinfo(skb)->frags[0];; stale++) {
+		int stale_size = skb_frag_size(stale);
+
 		sum += skb_frag_size(frag++);
 
+		/* The stale fragment may present us with a smaller
+		 * descriptor than the actual fragment size. To account
+		 * for that we need to remove all the data on the front and
+		 * figure out what the remainder would be in the last
+		 * descriptor associated with the fragment.
+		 */
+		if (stale_size > I40E_MAX_DATA_PER_TXD) {
+			int align_pad = -(stale->page_offset) &
+					(I40E_MAX_READ_REQ_SIZE - 1);
+
+			sum -= align_pad;
+			stale_size -= align_pad;
+
+			do {
+				sum -= I40E_MAX_DATA_PER_TXD_ALIGNED;
+				stale_size -= I40E_MAX_DATA_PER_TXD_ALIGNED;
+			} while (stale_size > I40E_MAX_DATA_PER_TXD);
+		}
+
 		/* if sum is negative we failed to make sufficient progress */
 		if (sum < 0)
 			return true;
@@ -2681,7 +2701,7 @@ bool __i40e_chk_linearize(struct sk_buff *skb)
 		if (!nr_frags--)
 			break;
 
-		sum -= skb_frag_size(stale++);
+		sum -= stale_size;
 	}
 
 	return false;
diff --git a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c
index c03800d1000a..90ebc5ac16fd 100644
--- a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c
@@ -1872,10 +1872,30 @@ bool __i40evf_chk_linearize(struct sk_buff *skb)
 	/* Walk through fragments adding latest fragment, testing it, and
 	 * then removing stale fragments from the sum.
 	 */
-	stale = &skb_shinfo(skb)->frags[0];
-	for (;;) {
+	for (stale = &skb_shinfo(skb)->frags[0];; stale++) {
+		int stale_size = skb_frag_size(stale);
+
 		sum += skb_frag_size(frag++);
 
+		/* The stale fragment may present us with a smaller
+		 * descriptor than the actual fragment size. To account
+		 * for that we need to remove all the data on the front and
+		 * figure out what the remainder would be in the last
+		 * descriptor associated with the fragment.
+		 */
+		if (stale_size > I40E_MAX_DATA_PER_TXD) {
+			int align_pad = -(stale->page_offset) &
+					(I40E_MAX_READ_REQ_SIZE - 1);
+
+			sum -= align_pad;
+			stale_size -= align_pad;
+
+			do {
+				sum -= I40E_MAX_DATA_PER_TXD_ALIGNED;
+				stale_size -= I40E_MAX_DATA_PER_TXD_ALIGNED;
+			} while (stale_size > I40E_MAX_DATA_PER_TXD);
+		}
+
 		/* if sum is negative we failed to make sufficient progress */
 		if (sum < 0)
 			return true;
@@ -1883,7 +1903,7 @@ bool __i40evf_chk_linearize(struct sk_buff *skb)
 		if (!nr_frags--)
 			break;
 
-		sum -= skb_frag_size(stale++);
+		sum -= stale_size;
 	}
 
 	return false;
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index 4832223f1500..20de37a414fe 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -1842,11 +1842,12 @@ static int mtk_hw_init(struct mtk_eth *eth)
 	/* set GE2 TUNE */
 	regmap_write(eth->pctl, GPIO_BIAS_CTRL, 0x0);
 
-	/* GE1, Force 1000M/FD, FC ON */
-	mtk_w32(eth, MAC_MCR_FIXED_LINK, MTK_MAC_MCR(0));
-
-	/* GE2, Force 1000M/FD, FC ON */
-	mtk_w32(eth, MAC_MCR_FIXED_LINK, MTK_MAC_MCR(1));
+	/* Set linkdown as the default for each GMAC. Its own MCR would be set
+	 * up with the more appropriate value when mtk_phy_link_adjust call is
+	 * being invoked.
+	 */
+	for (i = 0; i < MTK_MAC_COUNT; i++)
+		mtk_w32(eth, 0, MTK_MAC_MCR(i));
 
 	/* Enable RX VLan Offloading */
 	mtk_w32(eth, 1, MTK_CDMP_EG_CTRL);
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c
index 10d6059b2f26..f4074e25fb71 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c
@@ -38,6 +38,7 @@ static u32 stmmac_config_sub_second_increment(void __iomem *ioaddr,
 {
 	u32 value = readl(ioaddr + PTP_TCR);
 	unsigned long data;
+	u32 reg_value;
 
 	/* For GMAC3.x, 4.x versions, convert the ptp_clock to nano second
 	 *	formula = (1/ptp_clock) * 1000000000
@@ -54,10 +55,11 @@ static u32 stmmac_config_sub_second_increment(void __iomem *ioaddr,
 
 	data &= PTP_SSIR_SSINC_MASK;
 
+	reg_value = data;
 	if (gmac4)
-		data = data << GMAC4_PTP_SSIR_SSINC_SHIFT;
+		reg_value <<= GMAC4_PTP_SSIR_SSINC_SHIFT;
 
-	writel(data, ioaddr + PTP_SSIR);
+	writel(reg_value, ioaddr + PTP_SSIR);
 
 	return data;
 }
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 6d55049cd3dc..e8ad4d060da7 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -1377,9 +1377,14 @@ int macvlan_common_newlink(struct net *src_net, struct net_device *dev,
 	return 0;
 
 unregister_netdev:
+	/* macvlan_uninit would free the macvlan port */
 	unregister_netdevice(dev);
+	return err;
 destroy_macvlan_port:
-	if (create)
+	/* the macvlan port may be freed by macvlan_uninit when fail to register.
+	 * so we destroy the macvlan port only when it's valid.
+	 */
+	if (create && macvlan_port_get_rtnl(dev))
 		macvlan_port_destroy(port->dev);
 	return err;
 }
diff --git a/drivers/net/phy/mdio-sun4i.c b/drivers/net/phy/mdio-sun4i.c
index 135296508a7e..6425ce04d3f9 100644
--- a/drivers/net/phy/mdio-sun4i.c
+++ b/drivers/net/phy/mdio-sun4i.c
@@ -118,8 +118,10 @@ static int sun4i_mdio_probe(struct platform_device *pdev)
 
 	data->regulator = devm_regulator_get(&pdev->dev, "phy");
 	if (IS_ERR(data->regulator)) {
-		if (PTR_ERR(data->regulator) == -EPROBE_DEFER)
-			return -EPROBE_DEFER;
+		if (PTR_ERR(data->regulator) == -EPROBE_DEFER) {
+			ret = -EPROBE_DEFER;
+			goto err_out_free_mdiobus;
+		}
 
 		dev_info(&pdev->dev, "no regulator found\n");
 		data->regulator = NULL;
diff --git a/drivers/net/phy/mdio-xgene.c b/drivers/net/phy/mdio-xgene.c
index 92af182951be..8eb077b677f6 100644
--- a/drivers/net/phy/mdio-xgene.c
+++ b/drivers/net/phy/mdio-xgene.c
@@ -197,8 +197,11 @@ static int xgene_mdio_reset(struct xgene_mdio_pdata *pdata)
 	}
 
 	ret = xgene_enet_ecc_init(pdata);
-	if (ret)
+	if (ret) {
+		if (pdata->dev->of_node)
+			clk_disable_unprepare(pdata->clk);
 		return ret;
+	}
 	xgene_gmac_reset(pdata);
 
 	return 0;
@@ -364,8 +367,10 @@ static int xgene_mdio_probe(struct platform_device *pdev)
 		return ret;
 
 	mdio_bus = mdiobus_alloc();
-	if (!mdio_bus)
-		return -ENOMEM;
+	if (!mdio_bus) {
+		ret = -ENOMEM;
+		goto out_clk;
+	}
 
 	mdio_bus->name = "APM X-Gene MDIO bus";
 
@@ -394,7 +399,7 @@ static int xgene_mdio_probe(struct platform_device *pdev)
 		mdio_bus->phy_mask = ~0;
 		ret = mdiobus_register(mdio_bus);
 		if (ret)
-			goto out;
+			goto out_mdiobus;
 
 		acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_HANDLE(dev), 1,
 				    acpi_register_phy, NULL, mdio_bus, NULL);
@@ -402,16 +407,20 @@ static int xgene_mdio_probe(struct platform_device *pdev)
 	}
 
 	if (ret)
-		goto out;
+		goto out_mdiobus;
 
 	pdata->mdio_bus = mdio_bus;
 	xgene_mdio_status = true;
 
 	return 0;
 
-out:
+out_mdiobus:
 	mdiobus_free(mdio_bus);
 
+out_clk:
+	if (dev->of_node)
+		clk_disable_unprepare(pdata->clk);
+
 	return ret;
 }
 
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index e1e5e8438457..a30d6a6dbd95 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -805,6 +805,7 @@ static const struct usb_device_id products[] = {
 	{QMI_FIXED_INTF(0x05c6, 0x9084, 4)},
 	{QMI_FIXED_INTF(0x05c6, 0x920d, 0)},
 	{QMI_FIXED_INTF(0x05c6, 0x920d, 5)},
+	{QMI_QUIRK_SET_DTR(0x05c6, 0x9625, 4)},	/* YUGA CLM920-NC5 */
 	{QMI_FIXED_INTF(0x0846, 0x68a2, 8)},
 	{QMI_FIXED_INTF(0x12d1, 0x140c, 1)},	/* Huawei E173 */
 	{QMI_FIXED_INTF(0x12d1, 0x14ac, 1)},	/* Huawei E1820 */
@@ -914,6 +915,7 @@ static const struct usb_device_id products[] = {
 	{QMI_FIXED_INTF(0x2357, 0x9000, 4)},	/* TP-LINK MA260 */
 	{QMI_QUIRK_SET_DTR(0x1bc7, 0x1040, 2)},	/* Telit LE922A */
 	{QMI_FIXED_INTF(0x1bc7, 0x1100, 3)},	/* Telit ME910 */
+	{QMI_FIXED_INTF(0x1bc7, 0x1101, 3)},	/* Telit ME910 dual modem */
 	{QMI_FIXED_INTF(0x1bc7, 0x1200, 5)},	/* Telit LE920 */
 	{QMI_FIXED_INTF(0x1bc7, 0x1201, 2)},	/* Telit LE920 */
 	{QMI_FIXED_INTF(0x1c9e, 0x9b01, 3)},	/* XS Stick W100-2 from 4G Systems */
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 4b462dc21c41..61e85eac706a 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -3154,7 +3154,7 @@ static int hwsim_get_radio_nl(struct sk_buff *msg, struct genl_info *info)
 		if (!net_eq(wiphy_net(data->hw->wiphy), genl_info_net(info)))
 			continue;
 
-		skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+		skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
 		if (!skb) {
 			res = -ENOMEM;
 			goto out_err;
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index 1a9dadf7b3cc..b09c81e882b4 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -1345,6 +1345,7 @@ static struct net_device *xennet_create_dev(struct xenbus_device *dev)
 
 	netif_carrier_off(netdev);
 
+	xenbus_switch_state(dev, XenbusStateInitialising);
 	return netdev;
 
  exit:
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 719ee5fb2626..ad9d82eb2aed 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -1204,7 +1204,8 @@ static void nvme_set_queue_limits(struct nvme_ctrl *ctrl,
 		blk_queue_max_hw_sectors(q, ctrl->max_hw_sectors);
 		blk_queue_max_segments(q, min_t(u32, max_segments, USHRT_MAX));
 	}
-	if (ctrl->quirks & NVME_QUIRK_STRIPE_SIZE)
+	if ((ctrl->quirks & NVME_QUIRK_STRIPE_SIZE) &&
+	    is_power_of_2(ctrl->max_hw_sectors))
 		blk_queue_chunk_sectors(q, ctrl->max_hw_sectors);
 	blk_queue_virt_boundary(q, ctrl->page_size - 1);
 	if (ctrl->vwc & NVME_CTRL_VWC_PRESENT)
diff --git a/drivers/s390/block/dasd_3990_erp.c b/drivers/s390/block/dasd_3990_erp.c
index 8305ab688d57..a20dc2940d2d 100644
--- a/drivers/s390/block/dasd_3990_erp.c
+++ b/drivers/s390/block/dasd_3990_erp.c
@@ -2755,6 +2755,16 @@ dasd_3990_erp_action(struct dasd_ccw_req * cqr)
 		erp = dasd_3990_erp_handle_match_erp(cqr, erp);
 	}
 
+
+	/*
+	 * For path verification work we need to stick with the path that was
+	 * originally chosen so that the per path configuration data is
+	 * assigned correctly.
+	 */
+	if (test_bit(DASD_CQR_VERIFY_PATH, &erp->flags) && cqr->lpm) {
+		erp->lpm = cqr->lpm;
+	}
+
 	if (device->features & DASD_FEATURE_ERPLOG) {
 		/* print current erp_chain */
 		dev_err(&device->cdev->dev,
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 2bf96d33428a..0dd1984e381e 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -915,10 +915,11 @@ static void storvsc_handle_error(struct vmscsi_request *vm_srb,
 		case TEST_UNIT_READY:
 			break;
 		default:
-			set_host_byte(scmnd, DID_TARGET_FAILURE);
+			set_host_byte(scmnd, DID_ERROR);
 		}
 		break;
 	case SRB_STATUS_INVALID_LUN:
+		set_host_byte(scmnd, DID_NO_CONNECT);
 		do_work = true;
 		process_err_fn = storvsc_remove_lun;
 		break;
diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c
index 8feac599e9ab..44be6b593b30 100644
--- a/drivers/spi/spi-atmel.c
+++ b/drivers/spi/spi-atmel.c
@@ -1669,12 +1669,12 @@ static int atmel_spi_remove(struct platform_device *pdev)
 	pm_runtime_get_sync(&pdev->dev);
 
 	/* reset the hardware and block queue progress */
-	spin_lock_irq(&as->lock);
 	if (as->use_dma) {
 		atmel_spi_stop_dma(as);
 		atmel_spi_release_dma(as);
 	}
 
+	spin_lock_irq(&as->lock);
 	spi_writel(as, CR, SPI_BIT(SWRST));
 	spi_writel(as, CR, SPI_BIT(SWRST)); /* AT91SAM9263 Rev B workaround */
 	spi_readl(as, SR);
diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c
index 79b8ab4c6663..910b5d40c6e9 100644
--- a/drivers/xen/gntdev.c
+++ b/drivers/xen/gntdev.c
@@ -378,10 +378,8 @@ static int unmap_grant_pages(struct grant_map *map, int offset, int pages)
 		}
 		range = 0;
 		while (range < pages) {
-			if (map->unmap_ops[offset+range].handle == -1) {
-				range--;
+			if (map->unmap_ops[offset+range].handle == -1)
 				break;
-			}
 			range++;
 		}
 		err = __unmap_grant_pages(map, offset, range);
@@ -1079,8 +1077,10 @@ static int gntdev_mmap(struct file *flip, struct vm_area_struct *vma)
 out_unlock_put:
 	mutex_unlock(&priv->lock);
 out_put_map:
-	if (use_ptemod)
+	if (use_ptemod) {
 		map->vma = NULL;
+		unmap_grant_pages(map, 0, map->count);
+	}
 	gntdev_put_map(priv, map);
 	return err;
 }
diff --git a/fs/f2fs/extent_cache.c b/fs/f2fs/extent_cache.c
index 7b32ce979fe1..63e519658d73 100644
--- a/fs/f2fs/extent_cache.c
+++ b/fs/f2fs/extent_cache.c
@@ -177,7 +177,7 @@ static void __drop_largest_extent(struct inode *inode,
 }
 
 /* return true, if inode page is changed */
-bool f2fs_init_extent_tree(struct inode *inode, struct f2fs_extent *i_ext)
+static bool __f2fs_init_extent_tree(struct inode *inode, struct f2fs_extent *i_ext)
 {
 	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
 	struct extent_tree *et;
@@ -215,6 +215,16 @@ bool f2fs_init_extent_tree(struct inode *inode, struct f2fs_extent *i_ext)
 	return false;
 }
 
+bool f2fs_init_extent_tree(struct inode *inode, struct f2fs_extent *i_ext)
+{
+	bool ret =  __f2fs_init_extent_tree(inode, i_ext);
+
+	if (!F2FS_I(inode)->extent_tree)
+		set_inode_flag(inode, FI_NO_EXTENT);
+
+	return ret;
+}
+
 static bool f2fs_lookup_extent_tree(struct inode *inode, pgoff_t pgofs,
 							struct extent_info *ei)
 {
diff --git a/fs/super.c b/fs/super.c
index 1058bf3e8724..7e9beab77259 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -519,7 +519,11 @@ struct super_block *sget_userns(struct file_system_type *type,
 	hlist_add_head(&s->s_instances, &type->fs_supers);
 	spin_unlock(&sb_lock);
 	get_filesystem(type);
-	register_shrinker(&s->s_shrink);
+	err = register_shrinker(&s->s_shrink);
+	if (err) {
+		deactivate_locked_super(s);
+		s = ERR_PTR(err);
+	}
 	return s;
 }
 
diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c
index 1fdd3face2d9..e3edaa547216 100644
--- a/fs/xfs/xfs_qm.c
+++ b/fs/xfs/xfs_qm.c
@@ -47,7 +47,7 @@
 STATIC int	xfs_qm_init_quotainos(xfs_mount_t *);
 STATIC int	xfs_qm_init_quotainfo(xfs_mount_t *);
 
-
+STATIC void	xfs_qm_destroy_quotainos(xfs_quotainfo_t *qi);
 STATIC void	xfs_qm_dqfree_one(struct xfs_dquot *dqp);
 /*
  * We use the batch lookup interface to iterate over the dquots as it
@@ -694,9 +694,17 @@ xfs_qm_init_quotainfo(
 	qinf->qi_shrinker.scan_objects = xfs_qm_shrink_scan;
 	qinf->qi_shrinker.seeks = DEFAULT_SEEKS;
 	qinf->qi_shrinker.flags = SHRINKER_NUMA_AWARE;
-	register_shrinker(&qinf->qi_shrinker);
+
+	error = register_shrinker(&qinf->qi_shrinker);
+	if (error)
+		goto out_free_inos;
+
 	return 0;
 
+out_free_inos:
+	mutex_destroy(&qinf->qi_quotaofflock);
+	mutex_destroy(&qinf->qi_tree_lock);
+	xfs_qm_destroy_quotainos(qinf);
 out_free_lru:
 	list_lru_destroy(&qinf->qi_lru);
 out_free_qinf:
@@ -705,7 +713,6 @@ xfs_qm_init_quotainfo(
 	return error;
 }
 
-
 /*
  * Gets called when unmounting a filesystem or when all quotas get
  * turned off.
@@ -722,19 +729,8 @@ xfs_qm_destroy_quotainfo(
 
 	unregister_shrinker(&qi->qi_shrinker);
 	list_lru_destroy(&qi->qi_lru);
-
-	if (qi->qi_uquotaip) {
-		IRELE(qi->qi_uquotaip);
-		qi->qi_uquotaip = NULL; /* paranoia */
-	}
-	if (qi->qi_gquotaip) {
-		IRELE(qi->qi_gquotaip);
-		qi->qi_gquotaip = NULL;
-	}
-	if (qi->qi_pquotaip) {
-		IRELE(qi->qi_pquotaip);
-		qi->qi_pquotaip = NULL;
-	}
+	xfs_qm_destroy_quotainos(qi);
+	mutex_destroy(&qi->qi_tree_lock);
 	mutex_destroy(&qi->qi_quotaofflock);
 	kmem_free(qi);
 	mp->m_quotainfo = NULL;
@@ -1619,6 +1615,24 @@ xfs_qm_init_quotainos(
 	return error;
 }
 
+STATIC void
+xfs_qm_destroy_quotainos(
+	xfs_quotainfo_t	*qi)
+{
+	if (qi->qi_uquotaip) {
+		IRELE(qi->qi_uquotaip);
+		qi->qi_uquotaip = NULL; /* paranoia */
+	}
+	if (qi->qi_gquotaip) {
+		IRELE(qi->qi_gquotaip);
+		qi->qi_gquotaip = NULL;
+	}
+	if (qi->qi_pquotaip) {
+		IRELE(qi->qi_pquotaip);
+		qi->qi_pquotaip = NULL;
+	}
+}
+
 STATIC void
 xfs_qm_dqfree_one(
 	struct xfs_dquot	*dqp)
diff --git a/include/uapi/linux/libc-compat.h b/include/uapi/linux/libc-compat.h
index 44b8a6bd5fe1..774cb2db1b89 100644
--- a/include/uapi/linux/libc-compat.h
+++ b/include/uapi/linux/libc-compat.h
@@ -167,46 +167,99 @@
 
 /* If we did not see any headers from any supported C libraries,
  * or we are being included in the kernel, then define everything
- * that we need. */
+ * that we need. Check for previous __UAPI_* definitions to give
+ * unsupported C libraries a way to opt out of any kernel definition. */
 #else /* !defined(__GLIBC__) */
 
 /* Definitions for if.h */
+#ifndef __UAPI_DEF_IF_IFCONF
 #define __UAPI_DEF_IF_IFCONF 1
+#endif
+#ifndef __UAPI_DEF_IF_IFMAP
 #define __UAPI_DEF_IF_IFMAP 1
+#endif
+#ifndef __UAPI_DEF_IF_IFNAMSIZ
 #define __UAPI_DEF_IF_IFNAMSIZ 1
+#endif
+#ifndef __UAPI_DEF_IF_IFREQ
 #define __UAPI_DEF_IF_IFREQ 1
+#endif
 /* Everything up to IFF_DYNAMIC, matches net/if.h until glibc 2.23 */
+#ifndef __UAPI_DEF_IF_NET_DEVICE_FLAGS
 #define __UAPI_DEF_IF_NET_DEVICE_FLAGS 1
+#endif
 /* For the future if glibc adds IFF_LOWER_UP, IFF_DORMANT and IFF_ECHO */
+#ifndef __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO
 #define __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO 1
+#endif
 
 /* Definitions for in.h */
+#ifndef __UAPI_DEF_IN_ADDR
 #define __UAPI_DEF_IN_ADDR		1
+#endif
+#ifndef __UAPI_DEF_IN_IPPROTO
 #define __UAPI_DEF_IN_IPPROTO		1
+#endif
+#ifndef __UAPI_DEF_IN_PKTINFO
 #define __UAPI_DEF_IN_PKTINFO		1
+#endif
+#ifndef __UAPI_DEF_IP_MREQ
 #define __UAPI_DEF_IP_MREQ		1
+#endif
+#ifndef __UAPI_DEF_SOCKADDR_IN
 #define __UAPI_DEF_SOCKADDR_IN		1
+#endif
+#ifndef __UAPI_DEF_IN_CLASS
 #define __UAPI_DEF_IN_CLASS		1
+#endif
 
 /* Definitions for in6.h */
+#ifndef __UAPI_DEF_IN6_ADDR
 #define __UAPI_DEF_IN6_ADDR		1
+#endif
+#ifndef __UAPI_DEF_IN6_ADDR_ALT
 #define __UAPI_DEF_IN6_ADDR_ALT		1
+#endif
+#ifndef __UAPI_DEF_SOCKADDR_IN6
 #define __UAPI_DEF_SOCKADDR_IN6		1
+#endif
+#ifndef __UAPI_DEF_IPV6_MREQ
 #define __UAPI_DEF_IPV6_MREQ		1
+#endif
+#ifndef __UAPI_DEF_IPPROTO_V6
 #define __UAPI_DEF_IPPROTO_V6		1
+#endif
+#ifndef __UAPI_DEF_IPV6_OPTIONS
 #define __UAPI_DEF_IPV6_OPTIONS		1
+#endif
+#ifndef __UAPI_DEF_IN6_PKTINFO
 #define __UAPI_DEF_IN6_PKTINFO		1
+#endif
+#ifndef __UAPI_DEF_IP6_MTUINFO
 #define __UAPI_DEF_IP6_MTUINFO		1
+#endif
 
 /* Definitions for ipx.h */
+#ifndef __UAPI_DEF_SOCKADDR_IPX
 #define __UAPI_DEF_SOCKADDR_IPX			1
+#endif
+#ifndef __UAPI_DEF_IPX_ROUTE_DEFINITION
 #define __UAPI_DEF_IPX_ROUTE_DEFINITION		1
+#endif
+#ifndef __UAPI_DEF_IPX_INTERFACE_DEFINITION
 #define __UAPI_DEF_IPX_INTERFACE_DEFINITION	1
+#endif
+#ifndef __UAPI_DEF_IPX_CONFIG_DATA
 #define __UAPI_DEF_IPX_CONFIG_DATA		1
+#endif
+#ifndef __UAPI_DEF_IPX_ROUTE_DEF
 #define __UAPI_DEF_IPX_ROUTE_DEF		1
+#endif
 
 /* Definitions for xattr.h */
+#ifndef __UAPI_DEF_XATTR
 #define __UAPI_DEF_XATTR		1
+#endif
 
 #endif /* __GLIBC__ */
 
diff --git a/kernel/irq/debug.h b/kernel/irq/debug.h
index e75e29e4434a..3514d955af94 100644
--- a/kernel/irq/debug.h
+++ b/kernel/irq/debug.h
@@ -11,6 +11,11 @@
 
 static inline void print_irq_desc(unsigned int irq, struct irq_desc *desc)
 {
+	static DEFINE_RATELIMIT_STATE(ratelimit, 5 * HZ, 5);
+
+	if (!__ratelimit(&ratelimit))
+		return;
+
 	printk("irq %d, desc: %p, depth: %d, count: %d, unhandled: %d\n",
 		irq, desc, desc->depth, desc->irq_count, desc->irqs_unhandled);
 	printk("->handle_irq():  %p, ", desc->handle_irq);
diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c
index 54fd2fed36e9..c93729661be0 100644
--- a/kernel/time/hrtimer.c
+++ b/kernel/time/hrtimer.c
@@ -1134,7 +1134,12 @@ static void __hrtimer_init(struct hrtimer *timer, clockid_t clock_id,
 
 	cpu_base = raw_cpu_ptr(&hrtimer_bases);
 
-	if (clock_id == CLOCK_REALTIME && mode != HRTIMER_MODE_ABS)
+	/*
+	 * POSIX magic: Relative CLOCK_REALTIME timers are not affected by
+	 * clock modifications, so they needs to become CLOCK_MONOTONIC to
+	 * ensure POSIX compliance.
+	 */
+	if (clock_id == CLOCK_REALTIME && mode & HRTIMER_MODE_REL)
 		clock_id = CLOCK_MONOTONIC;
 
 	base = hrtimer_clockid_to_base(clock_id);
diff --git a/lib/mpi/longlong.h b/lib/mpi/longlong.h
index 93336502af08..0f64fcee4ccd 100644
--- a/lib/mpi/longlong.h
+++ b/lib/mpi/longlong.h
@@ -671,7 +671,23 @@ do {						\
 	**************  MIPS/64  **************
 	***************************************/
 #if (defined(__mips) && __mips >= 3) && W_TYPE_SIZE == 64
-#if (__GNUC__ >= 5) || (__GNUC__ >= 4 && __GNUC_MINOR__ >= 4)
+#if defined(__mips_isa_rev) && __mips_isa_rev >= 6
+/*
+ * GCC ends up emitting a __multi3 intrinsic call for MIPS64r6 with the plain C
+ * code below, so we special case MIPS64r6 until the compiler can do better.
+ */
+#define umul_ppmm(w1, w0, u, v)						\
+do {									\
+	__asm__ ("dmulu %0,%1,%2"					\
+		 : "=d" ((UDItype)(w0))					\
+		 : "d" ((UDItype)(u)),					\
+		   "d" ((UDItype)(v)));					\
+	__asm__ ("dmuhu %0,%1,%2"					\
+		 : "=d" ((UDItype)(w1))					\
+		 : "d" ((UDItype)(u)),					\
+		   "d" ((UDItype)(v)));					\
+} while (0)
+#elif (__GNUC__ >= 5) || (__GNUC__ >= 4 && __GNUC_MINOR__ >= 4)
 #define umul_ppmm(w1, w0, u, v) \
 do {									\
 	typedef unsigned int __ll_UTItype __attribute__((mode(TI)));	\
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 131e6aa954bc..a2fcf7bdb597 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -1127,8 +1127,13 @@ int ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev, __u8 dsfield,
 		max_headroom += 8;
 		mtu -= 8;
 	}
-	if (mtu < IPV6_MIN_MTU)
-		mtu = IPV6_MIN_MTU;
+	if (skb->protocol == htons(ETH_P_IPV6)) {
+		if (mtu < IPV6_MIN_MTU)
+			mtu = IPV6_MIN_MTU;
+	} else if (mtu < 576) {
+		mtu = 576;
+	}
+
 	if (skb_dst(skb) && !t->parms.collect_md)
 		skb_dst(skb)->ops->update_pmtu(skb_dst(skb), NULL, skb, mtu);
 	if (skb->len - t->tun_hlen - eth_hlen > mtu && !skb_is_gso(skb)) {
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 6e8bacb0b458..a8f80bd20c55 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -1651,6 +1651,7 @@ struct dst_entry *icmp6_dst_alloc(struct net_device *dev,
 	}
 
 	rt->dst.flags |= DST_HOST;
+	rt->dst.input = ip6_input;
 	rt->dst.output  = ip6_output;
 	atomic_set(&rt->dst.__refcnt, 1);
 	rt->rt6i_gateway  = fl6->daddr;
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 439e597fd374..404284a14d75 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -3611,6 +3611,8 @@ static bool ieee80211_accept_frame(struct ieee80211_rx_data *rx)
 		}
 		return true;
 	case NL80211_IFTYPE_MESH_POINT:
+		if (ether_addr_equal(sdata->vif.addr, hdr->addr2))
+			return false;
 		if (multicast)
 			return true;
 		return ether_addr_equal(sdata->vif.addr, hdr->addr1);
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index fd5b9d573b38..8cdd6bbe2efa 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -4765,7 +4765,7 @@ static int sctp_getsockopt_autoclose(struct sock *sk, int len, char __user *optv
 	len = sizeof(int);
 	if (put_user(len, optlen))
 		return -EFAULT;
-	if (copy_to_user(optval, &sctp_sk(sk)->autoclose, sizeof(int)))
+	if (copy_to_user(optval, &sctp_sk(sk)->autoclose, len))
 		return -EFAULT;
 	return 0;
 }
@@ -5342,6 +5342,9 @@ static int sctp_getsockopt_local_addrs(struct sock *sk, int len,
 		err = -EFAULT;
 		goto out;
 	}
+	/* XXX: We should have accounted for sizeof(struct sctp_getaddrs) too,
+	 * but we can't change it anymore.
+	 */
 	if (put_user(bytes_copied, optlen))
 		err = -EFAULT;
 out:
@@ -5778,7 +5781,7 @@ static int sctp_getsockopt_maxseg(struct sock *sk, int len,
 		params.assoc_id = 0;
 	} else if (len >= sizeof(struct sctp_assoc_value)) {
 		len = sizeof(struct sctp_assoc_value);
-		if (copy_from_user(&params, optval, sizeof(params)))
+		if (copy_from_user(&params, optval, len))
 			return -EFAULT;
 	} else
 		return -EINVAL;
@@ -5947,7 +5950,9 @@ static int sctp_getsockopt_active_key(struct sock *sk, int len,
 
 	if (len < sizeof(struct sctp_authkeyid))
 		return -EINVAL;
-	if (copy_from_user(&val, optval, sizeof(struct sctp_authkeyid)))
+
+	len = sizeof(struct sctp_authkeyid);
+	if (copy_from_user(&val, optval, len))
 		return -EFAULT;
 
 	asoc = sctp_id2assoc(sk, val.scact_assoc_id);
@@ -5959,7 +5964,6 @@ static int sctp_getsockopt_active_key(struct sock *sk, int len,
 	else
 		val.scact_keynumber = ep->active_key_id;
 
-	len = sizeof(struct sctp_authkeyid);
 	if (put_user(len, optlen))
 		return -EFAULT;
 	if (copy_to_user(optval, &val, len))
@@ -5985,7 +5989,7 @@ static int sctp_getsockopt_peer_auth_chunks(struct sock *sk, int len,
 	if (len < sizeof(struct sctp_authchunks))
 		return -EINVAL;
 
-	if (copy_from_user(&val, optval, sizeof(struct sctp_authchunks)))
+	if (copy_from_user(&val, optval, sizeof(val)))
 		return -EFAULT;
 
 	to = p->gauth_chunks;
@@ -6030,7 +6034,7 @@ static int sctp_getsockopt_local_auth_chunks(struct sock *sk, int len,
 	if (len < sizeof(struct sctp_authchunks))
 		return -EINVAL;
 
-	if (copy_from_user(&val, optval, sizeof(struct sctp_authchunks)))
+	if (copy_from_user(&val, optval, sizeof(val)))
 		return -EFAULT;
 
 	to = p->gauth_chunks;
diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c
index 52d74760fb68..ca68db207965 100644
--- a/net/tipc/bearer.c
+++ b/net/tipc/bearer.c
@@ -322,6 +322,7 @@ static int tipc_enable_bearer(struct net *net, const char *name,
 	if (res) {
 		pr_warn("Bearer <%s> rejected, enable failure (%d)\n",
 			name, -res);
+		kfree(b);
 		return -EINVAL;
 	}
 
@@ -345,8 +346,10 @@ static int tipc_enable_bearer(struct net *net, const char *name,
 	if (skb)
 		tipc_bearer_xmit_skb(net, bearer_id, skb, &b->bcast_addr);
 
-	if (tipc_mon_create(net, bearer_id))
+	if (tipc_mon_create(net, bearer_id)) {
+		bearer_disable(net, b);
 		return -ENOMEM;
+	}
 
 	pr_info("Enabled bearer <%s>, discovery domain %s, priority %u\n",
 		name,
diff --git a/net/tipc/monitor.c b/net/tipc/monitor.c
index 9e109bb1a207..0fcfb3916dcf 100644
--- a/net/tipc/monitor.c
+++ b/net/tipc/monitor.c
@@ -633,9 +633,13 @@ void tipc_mon_delete(struct net *net, int bearer_id)
 {
 	struct tipc_net *tn = tipc_net(net);
 	struct tipc_monitor *mon = tipc_monitor(net, bearer_id);
-	struct tipc_peer *self = get_self(net, bearer_id);
+	struct tipc_peer *self;
 	struct tipc_peer *peer, *tmp;
 
+	if (!mon)
+		return;
+
+	self = get_self(net, bearer_id);
 	write_lock_bh(&mon->lock);
 	tn->monitors[bearer_id] = NULL;
 	list_for_each_entry_safe(peer, tmp, &self->list, list) {
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 91722e97cdd5..a89061d59c74 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -10777,7 +10777,8 @@ static int nl80211_nan_add_func(struct sk_buff *skb,
 		break;
 	case NL80211_NAN_FUNC_FOLLOW_UP:
 		if (!tb[NL80211_NAN_FUNC_FOLLOW_UP_ID] ||
-		    !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]) {
+		    !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] ||
+		    !tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]) {
 			err = -EINVAL;
 			goto out;
 		}
diff --git a/sound/soc/codecs/nau8825.c b/sound/soc/codecs/nau8825.c
index f9f2737c4ad2..a4871c4adcb0 100644
--- a/sound/soc/codecs/nau8825.c
+++ b/sound/soc/codecs/nau8825.c
@@ -882,6 +882,7 @@ static int nau8825_adc_event(struct snd_soc_dapm_widget *w,
 
 	switch (event) {
 	case SND_SOC_DAPM_POST_PMU:
+		msleep(125);
 		regmap_update_bits(nau8825->regmap, NAU8825_REG_ENA_CTRL,
 			NAU8825_ENABLE_ADC, NAU8825_ENABLE_ADC);
 		break;