Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

58 files changed, 303 insertions, 147 deletions

diff --git a/Makefile b/Makefile
index 9f9c3b577c75..369099dc0fae 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 4
 PATCHLEVEL = 9
 SUBLEVEL = 0
-EXTRAVERSION = -rc7
+EXTRAVERSION = -rc8
 NAME = Psychotic Stoned Sheep
 
 # *DOCUMENTATION*
@@ -607,6 +607,13 @@ else
 include/config/auto.conf: ;
 endif # $(dot-config)
 
+# For the kernel to actually contain only the needed exported symbols,
+# we have to build modules as well to determine what those symbols are.
+# (this can be evaluated only once include/config/auto.conf has been included)
+ifdef CONFIG_TRIM_UNUSED_KSYMS
+  KBUILD_MODULES := 1
+endif
+
 # The all: target is the default when no target is given on the
 # command line.
 # This allow a user to issue only 'make' to build a kernel including modules
@@ -944,7 +951,7 @@ ifdef CONFIG_GDB_SCRIPTS
 endif
 ifdef CONFIG_TRIM_UNUSED_KSYMS
 	$(Q)$(CONFIG_SHELL) $(srctree)/scripts/adjust_autoksyms.sh \
-	  "$(MAKE) KBUILD_MODULES=1 -f $(srctree)/Makefile vmlinux_prereq"
+	  "$(MAKE) -f $(srctree)/Makefile vmlinux"
 endif
 
 # standalone target for easier testing
diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index eae2dc8bc218..9d47f2efa830 100644
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -100,7 +100,8 @@ src-wlib-y := string.S crt0.S crtsavres.S stdio.c decompress.c main.c \
 		ns16550.c serial.c simple_alloc.c div64.S util.S \
 		elf_util.c $(zlib-y) devtree.c stdlib.c \
 		oflib.c ofconsole.c cuboot.c mpsc.c cpm-serial.c \
-		uartlite.c mpc52xx-psc.c opal.c opal-calls.S
+		uartlite.c mpc52xx-psc.c opal.c
+src-wlib-$(CONFIG_PPC64_BOOT_WRAPPER) +=  opal-calls.S
 src-wlib-$(CONFIG_40x) += 4xx.c planetcore.c
 src-wlib-$(CONFIG_44x) += 4xx.c ebony.c bamboo.c
 src-wlib-$(CONFIG_8xx) += mpc8xx.c planetcore.c fsl-soc.c
diff --git a/arch/powerpc/boot/opal.c b/arch/powerpc/boot/opal.c
index d7b4fd47eb44..0272570d02de 100644
--- a/arch/powerpc/boot/opal.c
+++ b/arch/powerpc/boot/opal.c
@@ -13,7 +13,7 @@
 #include <libfdt.h>
 #include "../include/asm/opal-api.h"
 
-#ifdef __powerpc64__
+#ifdef CONFIG_PPC64_BOOT_WRAPPER
 
 /* Global OPAL struct used by opal-call.S */
 struct opal {
diff --git a/arch/powerpc/kernel/eeh_driver.c b/arch/powerpc/kernel/eeh_driver.c
index a62be72da274..5c31369435f2 100644
--- a/arch/powerpc/kernel/eeh_driver.c
+++ b/arch/powerpc/kernel/eeh_driver.c
@@ -671,8 +671,10 @@ static int eeh_reset_device(struct eeh_pe *pe, struct pci_bus *bus,
 
 	/* Clear frozen state */
 	rc = eeh_clear_pe_frozen_state(pe, false);
-	if (rc)
+	if (rc) {
+		pci_unlock_rescan_remove();
 		return rc;
+	}
 
 	/* Give the system 5 seconds to finish running the user-space
 	 * hotplug shutdown scripts, e.g. ifdown for ethernet.  Yes,
diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S
index 8295f51c1a5f..7394b770ae1f 100644
--- a/arch/powerpc/kernel/vmlinux.lds.S
+++ b/arch/powerpc/kernel/vmlinux.lds.S
@@ -94,8 +94,17 @@ SECTIONS
 	 * detected, and will result in a crash at boot due to offsets being
 	 * wrong.
 	 */
+#ifdef CONFIG_PPC64
+	/*
+	 * BLOCK(0) overrides the default output section alignment because
+	 * this needs to start right after .head.text in order for fixed
+	 * section placement to work.
+	 */
+	.text BLOCK(0) : AT(ADDR(.text) - LOAD_OFFSET) {
+#else
 	.text : AT(ADDR(.text) - LOAD_OFFSET) {
 		ALIGN_FUNCTION();
+#endif
 		/* careful! __ftr_alt_* sections need to be close to .text */
 		*(.text .fixup __ftr_alt_* .ref.text)
 		SCHED_TEXT
diff --git a/arch/powerpc/mm/hash64_4k.c b/arch/powerpc/mm/hash64_4k.c
index 42c702b3be1f..6fa450c12d6d 100644
--- a/arch/powerpc/mm/hash64_4k.c
+++ b/arch/powerpc/mm/hash64_4k.c
@@ -55,7 +55,7 @@ int __hash_page_4K(unsigned long ea, unsigned long access, unsigned long vsid,
 	 */
 	rflags = htab_convert_pte_flags(new_pte);
 
-	if (!cpu_has_feature(CPU_FTR_NOEXECUTE) &&
+	if (cpu_has_feature(CPU_FTR_NOEXECUTE) &&
 	    !cpu_has_feature(CPU_FTR_COHERENT_ICACHE))
 		rflags = hash_page_do_lazy_icache(rflags, __pte(old_pte), trap);
 
diff --git a/arch/powerpc/mm/hash64_64k.c b/arch/powerpc/mm/hash64_64k.c
index 3bbbea07378c..1a68cb19b0e3 100644
--- a/arch/powerpc/mm/hash64_64k.c
+++ b/arch/powerpc/mm/hash64_64k.c
@@ -87,7 +87,7 @@ int __hash_page_4K(unsigned long ea, unsigned long access, unsigned long vsid,
 	subpg_pte = new_pte & ~subpg_prot;
 	rflags = htab_convert_pte_flags(subpg_pte);
 
-	if (!cpu_has_feature(CPU_FTR_NOEXECUTE) &&
+	if (cpu_has_feature(CPU_FTR_NOEXECUTE) &&
 	    !cpu_has_feature(CPU_FTR_COHERENT_ICACHE)) {
 
 		/*
@@ -258,7 +258,7 @@ int __hash_page_64K(unsigned long ea, unsigned long access,
 
 	rflags = htab_convert_pte_flags(new_pte);
 
-	if (!cpu_has_feature(CPU_FTR_NOEXECUTE) &&
+	if (cpu_has_feature(CPU_FTR_NOEXECUTE) &&
 	    !cpu_has_feature(CPU_FTR_COHERENT_ICACHE))
 		rflags = hash_page_do_lazy_icache(rflags, __pte(old_pte), trap);
 
diff --git a/crypto/Makefile b/crypto/Makefile
index 99cc64ac70ef..bd6a029094e6 100644
--- a/crypto/Makefile
+++ b/crypto/Makefile
@@ -40,6 +40,7 @@ obj-$(CONFIG_CRYPTO_ECDH) += ecdh_generic.o
 
 $(obj)/rsapubkey-asn1.o: $(obj)/rsapubkey-asn1.c $(obj)/rsapubkey-asn1.h
 $(obj)/rsaprivkey-asn1.o: $(obj)/rsaprivkey-asn1.c $(obj)/rsaprivkey-asn1.h
+$(obj)/rsa_helper.o: $(obj)/rsapubkey-asn1.h $(obj)/rsaprivkey-asn1.h
 clean-files += rsapubkey-asn1.c rsapubkey-asn1.h
 clean-files += rsaprivkey-asn1.c rsaprivkey-asn1.h
 
diff --git a/crypto/drbg.c b/crypto/drbg.c
index fb33f7d3b052..053035b5c8f8 100644
--- a/crypto/drbg.c
+++ b/crypto/drbg.c
@@ -262,6 +262,7 @@ static int drbg_kcapi_sym_ctr(struct drbg_state *drbg,
 			      u8 *inbuf, u32 inbuflen,
 			      u8 *outbuf, u32 outlen);
 #define DRBG_CTR_NULL_LEN 128
+#define DRBG_OUTSCRATCHLEN DRBG_CTR_NULL_LEN
 
 /* BCC function for CTR DRBG as defined in 10.4.3 */
 static int drbg_ctr_bcc(struct drbg_state *drbg,
@@ -1644,6 +1645,9 @@ static int drbg_fini_sym_kernel(struct drbg_state *drbg)
 	kfree(drbg->ctr_null_value_buf);
 	drbg->ctr_null_value = NULL;
 
+	kfree(drbg->outscratchpadbuf);
+	drbg->outscratchpadbuf = NULL;
+
 	return 0;
 }
 
@@ -1708,6 +1712,15 @@ static int drbg_init_sym_kernel(struct drbg_state *drbg)
 	drbg->ctr_null_value = (u8 *)PTR_ALIGN(drbg->ctr_null_value_buf,
 					       alignmask + 1);
 
+	drbg->outscratchpadbuf = kmalloc(DRBG_OUTSCRATCHLEN + alignmask,
+					 GFP_KERNEL);
+	if (!drbg->outscratchpadbuf) {
+		drbg_fini_sym_kernel(drbg);
+		return -ENOMEM;
+	}
+	drbg->outscratchpad = (u8 *)PTR_ALIGN(drbg->outscratchpadbuf,
+					      alignmask + 1);
+
 	return alignmask;
 }
 
@@ -1737,15 +1750,16 @@ static int drbg_kcapi_sym_ctr(struct drbg_state *drbg,
 			      u8 *outbuf, u32 outlen)
 {
 	struct scatterlist sg_in;
+	int ret;
 
 	sg_init_one(&sg_in, inbuf, inlen);
 
 	while (outlen) {
-		u32 cryptlen = min_t(u32, inlen, outlen);
+		u32 cryptlen = min3(inlen, outlen, (u32)DRBG_OUTSCRATCHLEN);
 		struct scatterlist sg_out;
-		int ret;
 
-		sg_init_one(&sg_out, outbuf, cryptlen);
+		/* Output buffer may not be valid for SGL, use scratchpad */
+		sg_init_one(&sg_out, drbg->outscratchpad, cryptlen);
 		skcipher_request_set_crypt(drbg->ctr_req, &sg_in, &sg_out,
 					   cryptlen, drbg->V);
 		ret = crypto_skcipher_encrypt(drbg->ctr_req);
@@ -1761,14 +1775,19 @@ static int drbg_kcapi_sym_ctr(struct drbg_state *drbg,
 				break;
 			}
 		default:
-			return ret;
+			goto out;
 		}
 		init_completion(&drbg->ctr_completion);
 
+		memcpy(outbuf, drbg->outscratchpad, cryptlen);
+
 		outlen -= cryptlen;
 	}
+	ret = 0;
 
-	return 0;
+out:
+	memzero_explicit(drbg->outscratchpad, DRBG_OUTSCRATCHLEN);
+	return ret;
 }
 #endif /* CONFIG_CRYPTO_DRBG_CTR */
 
diff --git a/drivers/atm/eni.c b/drivers/atm/eni.c
index f2aaf9e32a36..40c2d561417b 100644
--- a/drivers/atm/eni.c
+++ b/drivers/atm/eni.c
@@ -1727,7 +1727,7 @@ static int eni_do_init(struct atm_dev *dev)
 		printk("\n");
 		printk(KERN_ERR DEV_LABEL "(itf %d): can't set up page "
 		    "mapping\n",dev->number);
-		return error;
+		return -ENOMEM;
 	}
 	eni_dev->ioaddr = base;
 	eni_dev->base_diff = real_base - (unsigned long) base;
diff --git a/drivers/atm/lanai.c b/drivers/atm/lanai.c
index ce43ae3e87b3..445505d9ea07 100644
--- a/drivers/atm/lanai.c
+++ b/drivers/atm/lanai.c
@@ -2143,6 +2143,7 @@ static int lanai_dev_open(struct atm_dev *atmdev)
 	lanai->base = (bus_addr_t) ioremap(raw_base, LANAI_MAPPING_SIZE);
 	if (lanai->base == NULL) {
 		printk(KERN_ERR DEV_LABEL ": couldn't remap I/O space\n");
+		result = -ENOMEM;
 		goto error_pci;
 	}
 	/* 3.3: Reset lanai and PHY */
diff --git a/drivers/crypto/chelsio/chcr_algo.h b/drivers/crypto/chelsio/chcr_algo.h
index ec64fbcdeb49..199b0bb69b89 100644
--- a/drivers/crypto/chelsio/chcr_algo.h
+++ b/drivers/crypto/chelsio/chcr_algo.h
@@ -422,7 +422,7 @@ static inline void get_aes_decrypt_key(unsigned char *dec_key,
 {
 	u32 temp;
 	u32 w_ring[MAX_NK];
-	int i, j, k = 0;
+	int i, j, k;
 	u8  nr, nk;
 
 	switch (keylength) {
@@ -460,6 +460,7 @@ static inline void get_aes_decrypt_key(unsigned char *dec_key,
 		temp = w_ring[i % nk];
 		i++;
 	}
+	i--;
 	for (k = 0, j = i % nk; k < nk; k++) {
 		*((u32 *)dec_key + k) = htonl(w_ring[j]);
 		j--;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
index 02ca5dd978f6..6c343a933182 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
@@ -485,7 +485,6 @@ static int amdgpu_atpx_power_state(enum vga_switcheroo_client_id id,
  */
 static bool amdgpu_atpx_pci_probe_handle(struct pci_dev *pdev)
 {
-	struct pci_dev *parent_pdev = pci_upstream_bridge(pdev);
 	acpi_handle dhandle, atpx_handle;
 	acpi_status status;
 
@@ -500,7 +499,6 @@ static bool amdgpu_atpx_pci_probe_handle(struct pci_dev *pdev)
 	}
 	amdgpu_atpx_priv.dhandle = dhandle;
 	amdgpu_atpx_priv.atpx.handle = atpx_handle;
-	amdgpu_atpx_priv.bridge_pm_usable = parent_pdev && parent_pdev->bridge_d3;
 	return true;
 }
 
@@ -562,17 +560,25 @@ static bool amdgpu_atpx_detect(void)
 	struct pci_dev *pdev = NULL;
 	bool has_atpx = false;
 	int vga_count = 0;
+	bool d3_supported = false;
+	struct pci_dev *parent_pdev;
 
 	while ((pdev = pci_get_class(PCI_CLASS_DISPLAY_VGA << 8, pdev)) != NULL) {
 		vga_count++;
 
 		has_atpx |= (amdgpu_atpx_pci_probe_handle(pdev) == true);
+
+		parent_pdev = pci_upstream_bridge(pdev);
+		d3_supported |= parent_pdev && parent_pdev->bridge_d3;
 	}
 
 	while ((pdev = pci_get_class(PCI_CLASS_DISPLAY_OTHER << 8, pdev)) != NULL) {
 		vga_count++;
 
 		has_atpx |= (amdgpu_atpx_pci_probe_handle(pdev) == true);
+
+		parent_pdev = pci_upstream_bridge(pdev);
+		d3_supported |= parent_pdev && parent_pdev->bridge_d3;
 	}
 
 	if (has_atpx && vga_count == 2) {
@@ -580,6 +586,7 @@ static bool amdgpu_atpx_detect(void)
 		printk(KERN_INFO "vga_switcheroo: detected switching method %s handle\n",
 		       acpi_method_name);
 		amdgpu_atpx_priv.atpx_detected = true;
+		amdgpu_atpx_priv.bridge_pm_usable = d3_supported;
 		amdgpu_atpx_init();
 		return true;
 	}
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smc.c b/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smc.c
index 4ccc0b72324d..71bb2f8dc157 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smc.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smc.c
@@ -2214,6 +2214,7 @@ uint32_t polaris10_get_mac_definition(uint32_t value)
 int polaris10_process_firmware_header(struct pp_hwmgr *hwmgr)
 {
 	struct polaris10_smumgr *smu_data = (struct polaris10_smumgr *)(hwmgr->smumgr->backend);
+	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
 	uint32_t tmp;
 	int result;
 	bool error = false;
@@ -2233,8 +2234,10 @@ int polaris10_process_firmware_header(struct pp_hwmgr *hwmgr)
 			offsetof(SMU74_Firmware_Header, SoftRegisters),
 			&tmp, SMC_RAM_END);
 
-	if (!result)
+	if (!result) {
+		data->soft_regs_start = tmp;
 		smu_data->smu7_data.soft_regs_start = tmp;
+	}
 
 	error |= (0 != result);
 
diff --git a/drivers/gpu/drm/arm/hdlcd_drv.c b/drivers/gpu/drm/arm/hdlcd_drv.c
index fb6a418ce6be..e138fb51e8ce 100644
--- a/drivers/gpu/drm/arm/hdlcd_drv.c
+++ b/drivers/gpu/drm/arm/hdlcd_drv.c
@@ -375,7 +375,6 @@ static int hdlcd_drm_bind(struct device *dev)
 
 err_fbdev:
 	drm_kms_helper_poll_fini(drm);
-	drm_mode_config_cleanup(drm);
 	drm_vblank_cleanup(drm);
 err_vblank:
 	pm_runtime_disable(drm->dev);
@@ -387,6 +386,7 @@ err_unload:
 	drm_irq_uninstall(drm);
 	of_reserved_mem_device_release(drm->dev);
 err_free:
+	drm_mode_config_cleanup(drm);
 	dev_set_drvdata(dev, NULL);
 	drm_dev_unref(drm);
 
diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c
index 0ad2c47f808f..71c3473476c7 100644
--- a/drivers/gpu/drm/drm_ioctl.c
+++ b/drivers/gpu/drm/drm_ioctl.c
@@ -254,10 +254,12 @@ static int drm_getcap(struct drm_device *dev, void *data, struct drm_file *file_
 		req->value = dev->mode_config.async_page_flip;
 		break;
 	case DRM_CAP_PAGE_FLIP_TARGET:
-		req->value = 1;
-		drm_for_each_crtc(crtc, dev) {
-			if (!crtc->funcs->page_flip_target)
-				req->value = 0;
+		if (drm_core_check_feature(dev, DRIVER_MODESET)) {
+			req->value = 1;
+			drm_for_each_crtc(crtc, dev) {
+				if (!crtc->funcs->page_flip_target)
+					req->value = 0;
+			}
 		}
 		break;
 	case DRM_CAP_CURSOR_WIDTH:
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 91ab7e9d6d2e..00eb4814b913 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2268,7 +2268,7 @@ i915_gem_object_get_pages_gtt(struct drm_i915_gem_object *obj)
 			page = shmem_read_mapping_page(mapping, i);
 			if (IS_ERR(page)) {
 				ret = PTR_ERR(page);
-				goto err_pages;
+				goto err_sg;
 			}
 		}
 #ifdef CONFIG_SWIOTLB
@@ -2311,8 +2311,9 @@ i915_gem_object_get_pages_gtt(struct drm_i915_gem_object *obj)
 
 	return 0;
 
-err_pages:
+err_sg:
 	sg_mark_end(sg);
+err_pages:
 	for_each_sgt_page(page, sgt_iter, st)
 		put_page(page);
 	sg_free_table(st);
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 81c11499bcf0..3cb70d73239b 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -12260,7 +12260,7 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
 	intel_crtc->reset_count = i915_reset_count(&dev_priv->gpu_error);
 	if (i915_reset_in_progress_or_wedged(&dev_priv->gpu_error)) {
 		ret = -EIO;
-		goto cleanup;
+		goto unlock;
 	}
 
 	atomic_inc(&intel_crtc->unpin_work_count);
@@ -12352,6 +12352,7 @@ cleanup_unpin:
 	intel_unpin_fb_obj(fb, crtc->primary->state->rotation);
 cleanup_pending:
 	atomic_dec(&intel_crtc->unpin_work_count);
+unlock:
 	mutex_unlock(&dev->struct_mutex);
 cleanup:
 	crtc->primary->fb = old_fb;
diff --git a/drivers/gpu/drm/radeon/radeon_atpx_handler.c b/drivers/gpu/drm/radeon/radeon_atpx_handler.c
index 4129b12521a6..0ae13cd2adda 100644
--- a/drivers/gpu/drm/radeon/radeon_atpx_handler.c
+++ b/drivers/gpu/drm/radeon/radeon_atpx_handler.c
@@ -479,7 +479,6 @@ static int radeon_atpx_power_state(enum vga_switcheroo_client_id id,
  */
 static bool radeon_atpx_pci_probe_handle(struct pci_dev *pdev)
 {
-	struct pci_dev *parent_pdev = pci_upstream_bridge(pdev);
 	acpi_handle dhandle, atpx_handle;
 	acpi_status status;
 
@@ -493,7 +492,6 @@ static bool radeon_atpx_pci_probe_handle(struct pci_dev *pdev)
 
 	radeon_atpx_priv.dhandle = dhandle;
 	radeon_atpx_priv.atpx.handle = atpx_handle;
-	radeon_atpx_priv.bridge_pm_usable = parent_pdev && parent_pdev->bridge_d3;
 	return true;
 }
 
@@ -555,11 +553,16 @@ static bool radeon_atpx_detect(void)
 	struct pci_dev *pdev = NULL;
 	bool has_atpx = false;
 	int vga_count = 0;
+	bool d3_supported = false;
+	struct pci_dev *parent_pdev;
 
 	while ((pdev = pci_get_class(PCI_CLASS_DISPLAY_VGA << 8, pdev)) != NULL) {
 		vga_count++;
 
 		has_atpx |= (radeon_atpx_pci_probe_handle(pdev) == true);
+
+		parent_pdev = pci_upstream_bridge(pdev);
+		d3_supported |= parent_pdev && parent_pdev->bridge_d3;
 	}
 
 	/* some newer PX laptops mark the dGPU as a non-VGA display device */
@@ -567,6 +570,9 @@ static bool radeon_atpx_detect(void)
 		vga_count++;
 
 		has_atpx |= (radeon_atpx_pci_probe_handle(pdev) == true);
+
+		parent_pdev = pci_upstream_bridge(pdev);
+		d3_supported |= parent_pdev && parent_pdev->bridge_d3;
 	}
 
 	if (has_atpx && vga_count == 2) {
@@ -574,6 +580,7 @@ static bool radeon_atpx_detect(void)
 		printk(KERN_INFO "vga_switcheroo: detected switching method %s handle\n",
 		       acpi_method_name);
 		radeon_atpx_priv.atpx_detected = true;
+		radeon_atpx_priv.bridge_pm_usable = d3_supported;
 		radeon_atpx_init();
 		return true;
 	}
diff --git a/drivers/isdn/hisax/hfc4s8s_l1.c b/drivers/isdn/hisax/hfc4s8s_l1.c
index 9600cd771f1a..e034ed847ff3 100644
--- a/drivers/isdn/hisax/hfc4s8s_l1.c
+++ b/drivers/isdn/hisax/hfc4s8s_l1.c
@@ -1499,6 +1499,7 @@ hfc4s8s_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 		printk(KERN_INFO
 		       "HFC-4S/8S: failed to request address space at 0x%04x\n",
 		       hw->iobase);
+		err = -EBUSY;
 		goto out;
 	}
 
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
index 85a7800bfc12..5f19427c7b27 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
@@ -1872,8 +1872,16 @@ static void bnx2x_get_ringparam(struct net_device *dev,
 
 	ering->rx_max_pending = MAX_RX_AVAIL;
 
+	/* If size isn't already set, we give an estimation of the number
+	 * of buffers we'll have. We're neglecting some possible conditions
+	 * [we couldn't know for certain at this point if number of queues
+	 * might shrink] but the number would be correct for the likely
+	 * scenario.
+	 */
 	if (bp->rx_ring_size)
 		ering->rx_pending = bp->rx_ring_size;
+	else if (BNX2X_NUM_RX_QUEUES(bp))
+		ering->rx_pending = MAX_RX_AVAIL / BNX2X_NUM_RX_QUEUES(bp);
 	else
 		ering->rx_pending = MAX_RX_AVAIL;
 
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index ab990da677d5..688617ac8c29 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -10138,7 +10138,7 @@ static void __bnx2x_add_udp_port(struct bnx2x *bp, u16 port,
 {
 	struct bnx2x_udp_tunnel *udp_port = &bp->udp_tunnel_ports[type];
 
-	if (!netif_running(bp->dev) || !IS_PF(bp))
+	if (!netif_running(bp->dev) || !IS_PF(bp) || CHIP_IS_E1x(bp))
 		return;
 
 	if (udp_port->count && udp_port->dst_port == port) {
@@ -10163,7 +10163,7 @@ static void __bnx2x_del_udp_port(struct bnx2x *bp, u16 port,
 {
 	struct bnx2x_udp_tunnel *udp_port = &bp->udp_tunnel_ports[type];
 
-	if (!IS_PF(bp))
+	if (!IS_PF(bp) || CHIP_IS_E1x(bp))
 		return;
 
 	if (!udp_port->count || udp_port->dst_port != port) {
@@ -13508,6 +13508,7 @@ static int bnx2x_init_firmware(struct bnx2x *bp)
 
 	/* Initialize the pointers to the init arrays */
 	/* Blob */
+	rc = -ENOMEM;
 	BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);
 
 	/* Opcodes */
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index e8ab5fd6965d..e84613a47379 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -4116,7 +4116,7 @@ static int bnxt_hwrm_stat_ctx_alloc(struct bnxt *bp)
 		bp->grp_info[i].fw_stats_ctx = cpr->hw_stats_ctx_id;
 	}
 	mutex_unlock(&bp->hwrm_cmd_lock);
-	return 0;
+	return rc;
 }
 
 static int bnxt_hwrm_func_qcfg(struct bnxt *bp)
diff --git a/drivers/net/ethernet/cirrus/ep93xx_eth.c b/drivers/net/ethernet/cirrus/ep93xx_eth.c
index 9119af088821..a1de0d12927d 100644
--- a/drivers/net/ethernet/cirrus/ep93xx_eth.c
+++ b/drivers/net/ethernet/cirrus/ep93xx_eth.c
@@ -468,6 +468,9 @@ static void ep93xx_free_buffers(struct ep93xx_priv *ep)
 	struct device *dev = ep->dev->dev.parent;
 	int i;
 
+	if (!ep->descs)
+		return;
+
 	for (i = 0; i < RX_QUEUE_ENTRIES; i++) {
 		dma_addr_t d;
 
@@ -490,6 +493,7 @@ static void ep93xx_free_buffers(struct ep93xx_priv *ep)
 
 	dma_free_coherent(dev, sizeof(struct ep93xx_descs), ep->descs,
 							ep->descs_dma_addr);
+	ep->descs = NULL;
 }
 
 static int ep93xx_alloc_buffers(struct ep93xx_priv *ep)
diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.c b/drivers/net/ethernet/emulex/benet/be_cmds.c
index 1fb5d7239254..0e74529a4209 100644
--- a/drivers/net/ethernet/emulex/benet/be_cmds.c
+++ b/drivers/net/ethernet/emulex/benet/be_cmds.c
@@ -90,7 +90,8 @@ static struct be_cmd_priv_map cmd_priv_map[] = {
 	{
 		OPCODE_COMMON_SET_HSW_CONFIG,
 		CMD_SUBSYSTEM_COMMON,
-		BE_PRIV_DEVCFG | BE_PRIV_VHADM
+		BE_PRIV_DEVCFG | BE_PRIV_VHADM |
+		BE_PRIV_DEVSEC
 	},
 	{
 		OPCODE_COMMON_GET_EXT_FAT_CAPABILITIES,
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index ecaa7a90b7c8..38160c2bebcb 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -2310,6 +2310,8 @@ static const struct fec_stat {
 	{ "IEEE_rx_octets_ok", IEEE_R_OCTETS_OK },
 };
 
+#define FEC_STATS_SIZE		(ARRAY_SIZE(fec_stats) * sizeof(u64))
+
 static void fec_enet_update_ethtool_stats(struct net_device *dev)
 {
 	struct fec_enet_private *fep = netdev_priv(dev);
@@ -2327,7 +2329,7 @@ static void fec_enet_get_ethtool_stats(struct net_device *dev,
 	if (netif_running(dev))
 		fec_enet_update_ethtool_stats(dev);
 
-	memcpy(data, fep->ethtool_stats, ARRAY_SIZE(fec_stats) * sizeof(u64));
+	memcpy(data, fep->ethtool_stats, FEC_STATS_SIZE);
 }
 
 static void fec_enet_get_strings(struct net_device *netdev,
@@ -2352,6 +2354,12 @@ static int fec_enet_get_sset_count(struct net_device *dev, int sset)
 		return -EOPNOTSUPP;
 	}
 }
+
+#else	/* !defined(CONFIG_M5272) */
+#define FEC_STATS_SIZE	0
+static inline void fec_enet_update_ethtool_stats(struct net_device *dev)
+{
+}
 #endif /* !defined(CONFIG_M5272) */
 
 /* ITR clock source is enet system clock (clk_ahb).
@@ -3279,8 +3287,7 @@ fec_probe(struct platform_device *pdev)
 
 	/* Init network device */
 	ndev = alloc_etherdev_mqs(sizeof(struct fec_enet_private) +
-				  ARRAY_SIZE(fec_stats) * sizeof(u64),
-				  num_tx_qs, num_rx_qs);
+				  FEC_STATS_SIZE, num_tx_qs, num_rx_qs);
 	if (!ndev)
 		return -ENOMEM;
 
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
index b0448b55fbc7..3797cc7c1288 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
@@ -260,11 +260,6 @@ static void dump_buf(void *buf, int size, int data_only, int offset)
 		pr_debug("\n");
 }
 
-enum {
-	MLX5_DRIVER_STATUS_ABORTED = 0xfe,
-	MLX5_DRIVER_SYND = 0xbadd00de,
-};
-
 static int mlx5_internal_err_ret_value(struct mlx5_core_dev *dev, u16 op,
 				       u32 *synd, u8 *status)
 {
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h
index 63dd6390b161..951dbd58594d 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h
@@ -262,7 +262,7 @@ struct mlx5e_tstamp {
 };
 
 enum {
-	MLX5E_RQ_STATE_FLUSH,
+	MLX5E_RQ_STATE_ENABLED,
 	MLX5E_RQ_STATE_UMR_WQE_IN_PROGRESS,
 	MLX5E_RQ_STATE_AM,
 };
@@ -415,7 +415,7 @@ struct mlx5e_sq_dma {
 };
 
 enum {
-	MLX5E_SQ_STATE_FLUSH,
+	MLX5E_SQ_STATE_ENABLED,
 	MLX5E_SQ_STATE_BF_ENABLE,
 };
 
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 9def5cc378a3..07020276fe73 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -831,6 +831,7 @@ static int mlx5e_open_rq(struct mlx5e_channel *c,
 	if (err)
 		goto err_destroy_rq;
 
+	set_bit(MLX5E_RQ_STATE_ENABLED, &rq->state);
 	err = mlx5e_modify_rq_state(rq, MLX5_RQC_STATE_RST, MLX5_RQC_STATE_RDY);
 	if (err)
 		goto err_disable_rq;
@@ -845,6 +846,7 @@ static int mlx5e_open_rq(struct mlx5e_channel *c,
 	return 0;
 
 err_disable_rq:
+	clear_bit(MLX5E_RQ_STATE_ENABLED, &rq->state);
 	mlx5e_disable_rq(rq);
 err_destroy_rq:
 	mlx5e_destroy_rq(rq);
@@ -854,7 +856,7 @@ err_destroy_rq:
 
 static void mlx5e_close_rq(struct mlx5e_rq *rq)
 {
-	set_bit(MLX5E_RQ_STATE_FLUSH, &rq->state);
+	clear_bit(MLX5E_RQ_STATE_ENABLED, &rq->state);
 	napi_synchronize(&rq->channel->napi); /* prevent mlx5e_post_rx_wqes */
 	cancel_work_sync(&rq->am.work);
 
@@ -1078,7 +1080,6 @@ static int mlx5e_enable_sq(struct mlx5e_sq *sq, struct mlx5e_sq_param *param)
 	MLX5_SET(sqc,  sqc, min_wqe_inline_mode, sq->min_inline_mode);
 	MLX5_SET(sqc,  sqc, state,		MLX5_SQC_STATE_RST);
 	MLX5_SET(sqc,  sqc, tis_lst_sz, param->type == MLX5E_SQ_ICO ? 0 : 1);
-	MLX5_SET(sqc,  sqc, flush_in_error_en,	1);
 
 	MLX5_SET(wq,   wq, wq_type,       MLX5_WQ_TYPE_CYCLIC);
 	MLX5_SET(wq,   wq, uar_page,      sq->uar.index);
@@ -1155,6 +1156,7 @@ static int mlx5e_open_sq(struct mlx5e_channel *c,
 	if (err)
 		goto err_destroy_sq;
 
+	set_bit(MLX5E_SQ_STATE_ENABLED, &sq->state);
 	err = mlx5e_modify_sq(sq, MLX5_SQC_STATE_RST, MLX5_SQC_STATE_RDY,
 			      false, 0);
 	if (err)
@@ -1168,6 +1170,7 @@ static int mlx5e_open_sq(struct mlx5e_channel *c,
 	return 0;
 
 err_disable_sq:
+	clear_bit(MLX5E_SQ_STATE_ENABLED, &sq->state);
 	mlx5e_disable_sq(sq);
 err_destroy_sq:
 	mlx5e_destroy_sq(sq);
@@ -1184,7 +1187,7 @@ static inline void netif_tx_disable_queue(struct netdev_queue *txq)
 
 static void mlx5e_close_sq(struct mlx5e_sq *sq)
 {
-	set_bit(MLX5E_SQ_STATE_FLUSH, &sq->state);
+	clear_bit(MLX5E_SQ_STATE_ENABLED, &sq->state);
 	/* prevent netif_tx_wake_queue */
 	napi_synchronize(&sq->channel->napi);
 
@@ -3163,7 +3166,7 @@ static void mlx5e_tx_timeout(struct net_device *dev)
 		if (!netif_xmit_stopped(netdev_get_tx_queue(dev, i)))
 			continue;
 		sched_work = true;
-		set_bit(MLX5E_SQ_STATE_FLUSH, &sq->state);
+		clear_bit(MLX5E_SQ_STATE_ENABLED, &sq->state);
 		netdev_err(dev, "TX timeout on queue: %d, SQ: 0x%x, CQ: 0x%x, SQ Cons: 0x%x SQ Prod: 0x%x\n",
 			   i, sq->sqn, sq->cq.mcq.cqn, sq->cc, sq->pc);
 	}
@@ -3227,13 +3230,13 @@ static int mlx5e_xdp_set(struct net_device *netdev, struct bpf_prog *prog)
 	for (i = 0; i < priv->params.num_channels; i++) {
 		struct mlx5e_channel *c = priv->channel[i];
 
-		set_bit(MLX5E_RQ_STATE_FLUSH, &c->rq.state);
+		clear_bit(MLX5E_RQ_STATE_ENABLED, &c->rq.state);
 		napi_synchronize(&c->napi);
 		/* prevent mlx5e_poll_rx_cq from accessing rq->xdp_prog */
 
 		old_prog = xchg(&c->rq.xdp_prog, prog);
 
-		clear_bit(MLX5E_RQ_STATE_FLUSH, &c->rq.state);
+		set_bit(MLX5E_RQ_STATE_ENABLED, &c->rq.state);
 		/* napi_schedule in case we have missed anything */
 		set_bit(MLX5E_CHANNEL_NAPI_SCHED, &c->flags);
 		napi_schedule(&c->napi);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
index 42cd687e6608..0e2fb3ed1790 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
@@ -340,7 +340,7 @@ static inline void mlx5e_post_umr_wqe(struct mlx5e_rq *rq, u16 ix)
 	while ((pi = (sq->pc & wq->sz_m1)) > sq->edge) {
 		sq->db.ico_wqe[pi].opcode = MLX5_OPCODE_NOP;
 		sq->db.ico_wqe[pi].num_wqebbs = 1;
-		mlx5e_send_nop(sq, true);
+		mlx5e_send_nop(sq, false);
 	}
 
 	wqe = mlx5_wq_cyc_get_wqe(wq, pi);
@@ -412,7 +412,7 @@ void mlx5e_post_rx_mpwqe(struct mlx5e_rq *rq)
 
 	clear_bit(MLX5E_RQ_STATE_UMR_WQE_IN_PROGRESS, &rq->state);
 
-	if (unlikely(test_bit(MLX5E_RQ_STATE_FLUSH, &rq->state))) {
+	if (unlikely(!test_bit(MLX5E_RQ_STATE_ENABLED, &rq->state))) {
 		mlx5e_free_rx_mpwqe(rq, &rq->mpwqe.info[wq->head]);
 		return;
 	}
@@ -445,7 +445,7 @@ void mlx5e_dealloc_rx_mpwqe(struct mlx5e_rq *rq, u16 ix)
 }
 
 #define RQ_CANNOT_POST(rq) \
-	(test_bit(MLX5E_RQ_STATE_FLUSH, &rq->state) || \
+	(!test_bit(MLX5E_RQ_STATE_ENABLED, &rq->state) || \
 	 test_bit(MLX5E_RQ_STATE_UMR_WQE_IN_PROGRESS, &rq->state))
 
 bool mlx5e_post_rx_wqes(struct mlx5e_rq *rq)
@@ -928,7 +928,7 @@ int mlx5e_poll_rx_cq(struct mlx5e_cq *cq, int budget)
 	struct mlx5e_sq *xdp_sq = &rq->channel->xdp_sq;
 	int work_done = 0;
 
-	if (unlikely(test_bit(MLX5E_RQ_STATE_FLUSH, &rq->state)))
+	if (unlikely(!test_bit(MLX5E_RQ_STATE_ENABLED, &rq->state)))
 		return 0;
 
 	if (cq->decmprs_left)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
index 70a717382357..cfb68371c397 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
@@ -409,7 +409,7 @@ bool mlx5e_poll_tx_cq(struct mlx5e_cq *cq, int napi_budget)
 
 	sq = container_of(cq, struct mlx5e_sq, cq);
 
-	if (unlikely(test_bit(MLX5E_SQ_STATE_FLUSH, &sq->state)))
+	if (unlikely(!test_bit(MLX5E_SQ_STATE_ENABLED, &sq->state)))
 		return false;
 
 	npkts = 0;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c
index 5703f19a6a24..e5c12a732aa1 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c
@@ -56,7 +56,7 @@ static void mlx5e_poll_ico_cq(struct mlx5e_cq *cq)
 	struct mlx5_cqe64 *cqe;
 	u16 sqcc;
 
-	if (unlikely(test_bit(MLX5E_SQ_STATE_FLUSH, &sq->state)))
+	if (unlikely(!test_bit(MLX5E_SQ_STATE_ENABLED, &sq->state)))
 		return;
 
 	cqe = mlx5e_get_cqe(cq);
@@ -113,7 +113,7 @@ static inline bool mlx5e_poll_xdp_tx_cq(struct mlx5e_cq *cq)
 
 	sq = container_of(cq, struct mlx5e_sq, cq);
 
-	if (unlikely(test_bit(MLX5E_SQ_STATE_FLUSH, &sq->state)))
+	if (unlikely(!test_bit(MLX5E_SQ_STATE_ENABLED, &sq->state)))
 		return false;
 
 	/* sq->cc must be updated only after mlx5_cqwq_update_db_record(),
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index 2dc28695196c..7b4c339a8a9a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -62,13 +62,13 @@ MODULE_DESCRIPTION("Mellanox Connect-IB, ConnectX-4 core driver");
 MODULE_LICENSE("Dual BSD/GPL");
 MODULE_VERSION(DRIVER_VERSION);
 
-int mlx5_core_debug_mask;
-module_param_named(debug_mask, mlx5_core_debug_mask, int, 0644);
+unsigned int mlx5_core_debug_mask;
+module_param_named(debug_mask, mlx5_core_debug_mask, uint, 0644);
 MODULE_PARM_DESC(debug_mask, "debug mask: 1 = dump cmd data, 2 = dump cmd exec time, 3 = both. Default=0");
 
 #define MLX5_DEFAULT_PROF	2
-static int prof_sel = MLX5_DEFAULT_PROF;
-module_param_named(prof_sel, prof_sel, int, 0444);
+static unsigned int prof_sel = MLX5_DEFAULT_PROF;
+module_param_named(prof_sel, prof_sel, uint, 0444);
 MODULE_PARM_DESC(prof_sel, "profile selector. Valid range 0 - 2");
 
 enum {
@@ -767,13 +767,15 @@ static int mlx5_core_set_issi(struct mlx5_core_dev *dev)
 		u8 status;
 
 		mlx5_cmd_mbox_status(query_out, &status, &syndrome);
-		if (status == MLX5_CMD_STAT_BAD_OP_ERR) {
-			pr_debug("Only ISSI 0 is supported\n");
-			return 0;
+		if (!status || syndrome == MLX5_DRIVER_SYND) {
+			mlx5_core_err(dev, "Failed to query ISSI err(%d) status(%d) synd(%d)\n",
+				      err, status, syndrome);
+			return err;
 		}
 
-		pr_err("failed to query ISSI err(%d)\n", err);
-		return err;
+		mlx5_core_warn(dev, "Query ISSI is not supported by FW, ISSI is 0\n");
+		dev->issi = 0;
+		return 0;
 	}
 
 	sup_issi = MLX5_GET(query_issi_out, query_out, supported_issi_dw0);
@@ -787,7 +789,8 @@ static int mlx5_core_set_issi(struct mlx5_core_dev *dev)
 		err = mlx5_cmd_exec(dev, set_in, sizeof(set_in),
 				    set_out, sizeof(set_out));
 		if (err) {
-			pr_err("failed to set ISSI=1 err(%d)\n", err);
+			mlx5_core_err(dev, "Failed to set ISSI to 1 err(%d)\n",
+				      err);
 			return err;
 		}
 
@@ -1266,13 +1269,6 @@ static int init_one(struct pci_dev *pdev,
 
 	dev->pdev = pdev;
 	dev->event = mlx5_core_event;
-
-	if (prof_sel < 0 || prof_sel >= ARRAY_SIZE(profile)) {
-		mlx5_core_warn(dev,
-			       "selected profile out of range, selecting default (%d)\n",
-			       MLX5_DEFAULT_PROF);
-		prof_sel = MLX5_DEFAULT_PROF;
-	}
 	dev->profile = &profile[prof_sel];
 
 	INIT_LIST_HEAD(&priv->ctx_list);
@@ -1490,10 +1486,22 @@ static struct pci_driver mlx5_core_driver = {
 	.sriov_configure   = mlx5_core_sriov_configure,
 };
 
+static void mlx5_core_verify_params(void)
+{
+	if (prof_sel >= ARRAY_SIZE(profile)) {
+		pr_warn("mlx5_core: WARNING: Invalid module parameter prof_sel %d, valid range 0-%zu, changing back to default(%d)\n",
+			prof_sel,
+			ARRAY_SIZE(profile) - 1,
+			MLX5_DEFAULT_PROF);
+		prof_sel = MLX5_DEFAULT_PROF;
+	}
+}
+
 static int __init init(void)
 {
 	int err;
 
+	mlx5_core_verify_params();
 	mlx5_register_debugfs();
 
 	err = pci_register_driver(&mlx5_core_driver);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h
index 7e635ebda199..e0a8fbdd1446 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h
@@ -44,11 +44,11 @@
 
 #define MLX5_TOTAL_VPORTS(mdev) (1 + pci_sriov_get_totalvfs(mdev->pdev))
 
-extern int mlx5_core_debug_mask;
+extern uint mlx5_core_debug_mask;
 
 #define mlx5_core_dbg(__dev, format, ...)				\
-	dev_dbg(&(__dev)->pdev->dev, "%s:%s:%d:(pid %d): " format,	\
-		 (__dev)->priv.name, __func__, __LINE__, current->pid,	\
+	dev_dbg(&(__dev)->pdev->dev, "%s:%d:(pid %d): " format,		\
+		 __func__, __LINE__, current->pid,			\
 		 ##__VA_ARGS__)
 
 #define mlx5_core_dbg_mask(__dev, mask, format, ...)			\
@@ -63,8 +63,8 @@ do {									\
 	       ##__VA_ARGS__)
 
 #define mlx5_core_warn(__dev, format, ...)				\
-	dev_warn(&(__dev)->pdev->dev, "%s:%s:%d:(pid %d): " format,	\
-		(__dev)->priv.name, __func__, __LINE__, current->pid,	\
+	dev_warn(&(__dev)->pdev->dev, "%s:%d:(pid %d): " format,	\
+		 __func__, __LINE__, current->pid,			\
 		##__VA_ARGS__)
 
 #define mlx5_core_info(__dev, format, ...)				\
@@ -75,6 +75,11 @@ enum {
 	MLX5_CMD_TIME, /* print command execution time */
 };
 
+enum {
+	MLX5_DRIVER_STATUS_ABORTED = 0xfe,
+	MLX5_DRIVER_SYND = 0xbadd00de,
+};
+
 int mlx5_query_hca_caps(struct mlx5_core_dev *dev);
 int mlx5_query_board_id(struct mlx5_core_dev *dev);
 int mlx5_cmd_init_hca(struct mlx5_core_dev *dev);
diff --git a/drivers/net/ethernet/qlogic/qed/qed_ll2.c b/drivers/net/ethernet/qlogic/qed/qed_ll2.c
index de4e2a240d88..8e5cb7605b0f 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_ll2.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_ll2.c
@@ -2229,6 +2229,7 @@ static int qed_ll2_start_xmit(struct qed_dev *cdev, struct sk_buff *skb)
 						       mapping))) {
 				DP_NOTICE(cdev,
 					  "Unable to map frag - dropping packet\n");
+				rc = -ENOMEM;
 				goto err;
 			}
 		} else {
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c
index 990746955216..f35385266fbf 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c
@@ -43,9 +43,11 @@ static void dwmac1000_dma_axi(void __iomem *ioaddr, struct stmmac_axi *axi)
 	if (axi->axi_xit_frm)
 		value |= DMA_AXI_LPI_XIT_FRM;
 
+	value &= ~DMA_AXI_WR_OSR_LMT;
 	value |= (axi->axi_wr_osr_lmt & DMA_AXI_WR_OSR_LMT_MASK) <<
 		 DMA_AXI_WR_OSR_LMT_SHIFT;
 
+	value &= ~DMA_AXI_RD_OSR_LMT;
 	value |= (axi->axi_rd_osr_lmt & DMA_AXI_RD_OSR_LMT_MASK) <<
 		 DMA_AXI_RD_OSR_LMT_SHIFT;
 
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c
index 577316de6ba8..e81b6e565c29 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c
@@ -30,9 +30,11 @@ static void dwmac4_dma_axi(void __iomem *ioaddr, struct stmmac_axi *axi)
 	if (axi->axi_xit_frm)
 		value |= DMA_AXI_LPI_XIT_FRM;
 
+	value &= ~DMA_AXI_WR_OSR_LMT;
 	value |= (axi->axi_wr_osr_lmt & DMA_AXI_OSR_MAX) <<
 		 DMA_AXI_WR_OSR_LMT_SHIFT;
 
+	value &= ~DMA_AXI_RD_OSR_LMT;
 	value |= (axi->axi_rd_osr_lmt & DMA_AXI_OSR_MAX) <<
 		 DMA_AXI_RD_OSR_LMT_SHIFT;
 
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
index 98bf86d64d96..e528e7126b65 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -126,8 +126,10 @@ static struct stmmac_axi *stmmac_axi_setup(struct platform_device *pdev)
 	axi->axi_mb = of_property_read_bool(np, "snps,axi_mb");
 	axi->axi_rb =  of_property_read_bool(np, "snps,axi_rb");
 
-	of_property_read_u32(np, "snps,wr_osr_lmt", &axi->axi_wr_osr_lmt);
-	of_property_read_u32(np, "snps,rd_osr_lmt", &axi->axi_rd_osr_lmt);
+	if (of_property_read_u32(np, "snps,wr_osr_lmt", &axi->axi_wr_osr_lmt))
+		axi->axi_wr_osr_lmt = 1;
+	if (of_property_read_u32(np, "snps,rd_osr_lmt", &axi->axi_rd_osr_lmt))
+		axi->axi_rd_osr_lmt = 1;
 	of_property_read_u32_array(np, "snps,blen", axi->axi_blen, AXI_BLEN);
 	of_node_put(np);
 
diff --git a/drivers/net/irda/irda-usb.c b/drivers/net/irda/irda-usb.c
index a198946bc54f..8716b8c07feb 100644
--- a/drivers/net/irda/irda-usb.c
+++ b/drivers/net/irda/irda-usb.c
@@ -1723,6 +1723,7 @@ static int irda_usb_probe(struct usb_interface *intf,
 	/* Don't change this buffer size and allocation without doing
 	 * some heavy and complete testing. Don't ask why :-(
 	 * Jean II */
+	ret = -ENOMEM;
 	self->speed_buff = kzalloc(IRDA_USB_SPEED_MTU, GFP_KERNEL);
 	if (!self->speed_buff)
 		goto err_out_3;
diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index 0c459e92f1b3..019f758953fc 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -3494,6 +3494,7 @@ static int lan78xx_probe(struct usb_interface *intf,
 	if (buf) {
 		dev->urb_intr = usb_alloc_urb(0, GFP_KERNEL);
 		if (!dev->urb_intr) {
+			ret = -ENOMEM;
 			kfree(buf);
 			goto out3;
 		} else {
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index a21d93a54cef..b425fa1013af 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -969,12 +969,17 @@ static int virtnet_set_mac_address(struct net_device *dev, void *p)
 	struct virtnet_info *vi = netdev_priv(dev);
 	struct virtio_device *vdev = vi->vdev;
 	int ret;
-	struct sockaddr *addr = p;
+	struct sockaddr *addr;
 	struct scatterlist sg;
 
-	ret = eth_prepare_mac_addr_change(dev, p);
+	addr = kmalloc(sizeof(*addr), GFP_KERNEL);
+	if (!addr)
+		return -ENOMEM;
+	memcpy(addr, p, sizeof(*addr));
+
+	ret = eth_prepare_mac_addr_change(dev, addr);
 	if (ret)
-		return ret;
+		goto out;
 
 	if (virtio_has_feature(vdev, VIRTIO_NET_F_CTRL_MAC_ADDR)) {
 		sg_init_one(&sg, addr->sa_data, dev->addr_len);
@@ -982,7 +987,8 @@ static int virtnet_set_mac_address(struct net_device *dev, void *p)
 					  VIRTIO_NET_CTRL_MAC_ADDR_SET, &sg)) {
 			dev_warn(&vdev->dev,
 				 "Failed to set mac address by vq command.\n");
-			return -EINVAL;
+			ret = -EINVAL;
+			goto out;
 		}
 	} else if (virtio_has_feature(vdev, VIRTIO_NET_F_MAC) &&
 		   !virtio_has_feature(vdev, VIRTIO_F_VERSION_1)) {
@@ -996,8 +1002,11 @@ static int virtnet_set_mac_address(struct net_device *dev, void *p)
 	}
 
 	eth_commit_mac_addr_change(dev, p);
+	ret = 0;
 
-	return 0;
+out:
+	kfree(addr);
+	return ret;
 }
 
 static struct rtnl_link_stats64 *virtnet_stats(struct net_device *dev,
diff --git a/include/crypto/drbg.h b/include/crypto/drbg.h
index 61580b19f9f6..22f884c97387 100644
--- a/include/crypto/drbg.h
+++ b/include/crypto/drbg.h
@@ -124,6 +124,8 @@ struct drbg_state {
 	struct skcipher_request *ctr_req;	/* CTR mode request handle */
 	__u8 *ctr_null_value_buf;		/* CTR mode unaligned buffer */
 	__u8 *ctr_null_value;			/* CTR mode aligned zero buf */
+	__u8 *outscratchpadbuf;			/* CTR mode output scratchpad */
+        __u8 *outscratchpad;			/* CTR mode aligned outbuf */
 	struct completion ctr_completion;	/* CTR mode async handler */
 	int ctr_async_err;			/* CTR mode async error */
 
diff --git a/include/uapi/linux/if.h b/include/uapi/linux/if.h
index e601c8c3bdc7..1158a043342a 100644
--- a/include/uapi/linux/if.h
+++ b/include/uapi/linux/if.h
@@ -31,7 +31,7 @@
 #include <linux/hdlc/ioctl.h>
 
 /* For glibc compatibility. An empty enum does not compile. */
-#if __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO != 0 && \
+#if __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO != 0 || \
     __UAPI_DEF_IF_NET_DEVICE_FLAGS != 0
 /**
  * enum net_device_flags - &struct net_device flags
@@ -99,7 +99,7 @@ enum net_device_flags {
 	IFF_ECHO			= 1<<18, /* volatile */
 #endif /* __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO */
 };
-#endif /* __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO != 0 && __UAPI_DEF_IF_NET_DEVICE_FLAGS != 0 */
+#endif /* __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO != 0 || __UAPI_DEF_IF_NET_DEVICE_FLAGS != 0 */
 
 /* for compatibility with glibc net/if.h */
 #if __UAPI_DEF_IF_NET_DEVICE_FLAGS
diff --git a/include/uapi/linux/netfilter/Kbuild b/include/uapi/linux/netfilter/Kbuild
index cd26d7a0fd07..03f194aeadc5 100644
--- a/include/uapi/linux/netfilter/Kbuild
+++ b/include/uapi/linux/netfilter/Kbuild
@@ -5,6 +5,7 @@ header-y += nf_conntrack_ftp.h
 header-y += nf_conntrack_sctp.h
 header-y += nf_conntrack_tcp.h
 header-y += nf_conntrack_tuple_common.h
+header-y += nf_log.h
 header-y += nf_tables.h
 header-y += nf_tables_compat.h
 header-y += nf_nat.h
diff --git a/include/uapi/linux/tc_act/Kbuild b/include/uapi/linux/tc_act/Kbuild
index 9611c7b6c18f..e3db7403296f 100644
--- a/include/uapi/linux/tc_act/Kbuild
+++ b/include/uapi/linux/tc_act/Kbuild
@@ -12,3 +12,4 @@ header-y += tc_bpf.h
 header-y += tc_connmark.h
 header-y += tc_ife.h
 header-y += tc_tunnel_key.h
+header-y += tc_skbmod.h
diff --git a/mm/shmem.c b/mm/shmem.c
index 166ebf5d2bce..9d32e1cb9f38 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -1848,6 +1848,18 @@ unlock:
 	return error;
 }
 
+/*
+ * This is like autoremove_wake_function, but it removes the wait queue
+ * entry unconditionally - even if something else had already woken the
+ * target.
+ */
+static int synchronous_wake_function(wait_queue_t *wait, unsigned mode, int sync, void *key)
+{
+	int ret = default_wake_function(wait, mode, sync, key);
+	list_del_init(&wait->task_list);
+	return ret;
+}
+
 static int shmem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
 {
 	struct inode *inode = file_inode(vma->vm_file);
@@ -1883,7 +1895,7 @@ static int shmem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
 		    vmf->pgoff >= shmem_falloc->start &&
 		    vmf->pgoff < shmem_falloc->next) {
 			wait_queue_head_t *shmem_falloc_waitq;
-			DEFINE_WAIT(shmem_fault_wait);
+			DEFINE_WAIT_FUNC(shmem_fault_wait, synchronous_wake_function);
 
 			ret = VM_FAULT_NOPAGE;
 			if ((vmf->flags & FAULT_FLAG_ALLOW_RETRY) &&
@@ -2665,6 +2677,7 @@ static long shmem_fallocate(struct file *file, int mode, loff_t offset,
 		spin_lock(&inode->i_lock);
 		inode->i_private = NULL;
 		wake_up_all(&shmem_falloc_waitq);
+		WARN_ON_ONCE(!list_empty(&shmem_falloc_waitq.task_list));
 		spin_unlock(&inode->i_lock);
 		error = 0;
 		goto out;
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 76fda2268148..d75cdf360730 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2354,6 +2354,8 @@ static void shrink_node_memcg(struct pglist_data *pgdat, struct mem_cgroup *memc
 			}
 		}
 
+		cond_resched();
+
 		if (nr_reclaimed < nr_to_reclaim || scan_adjusted)
 			continue;
 
diff --git a/mm/workingset.c b/mm/workingset.c
index 617475f529f4..fb1f9183d89a 100644
--- a/mm/workingset.c
+++ b/mm/workingset.c
@@ -348,7 +348,7 @@ static unsigned long count_shadow_nodes(struct shrinker *shrinker,
 	shadow_nodes = list_lru_shrink_count(&workingset_shadow_nodes, sc);
 	local_irq_enable();
 
-	if (memcg_kmem_enabled()) {
+	if (sc->memcg) {
 		pages = mem_cgroup_node_nr_lru_pages(sc->memcg, sc->nid,
 						     LRU_ALL_FILE);
 	} else {
diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
index 447f9490b692..30ecbfb40adf 100644
--- a/net/batman-adv/translation-table.c
+++ b/net/batman-adv/translation-table.c
@@ -3287,7 +3287,7 @@ static bool batadv_send_my_tt_response(struct batadv_priv *bat_priv,
 							     &tvlv_tt_data,
 							     &tt_change,
 							     &tt_len);
-		if (!tt_len)
+		if (!tt_len || !tvlv_len)
 			goto unlock;
 
 		/* Copy the last orig_node's OGM buffer */
@@ -3305,7 +3305,7 @@ static bool batadv_send_my_tt_response(struct batadv_priv *bat_priv,
 							     &tvlv_tt_data,
 							     &tt_change,
 							     &tt_len);
-		if (!tt_len)
+		if (!tt_len || !tvlv_len)
 			goto out;
 
 		/* fill the rest of the tvlv with the real TT entries */
diff --git a/net/bridge/br_sysfs_br.c b/net/bridge/br_sysfs_br.c
index c9d2e0abfb89..a18148213b08 100644
--- a/net/bridge/br_sysfs_br.c
+++ b/net/bridge/br_sysfs_br.c
@@ -938,6 +938,7 @@ int br_sysfs_addbr(struct net_device *dev)
 	if (!br->ifobj) {
 		pr_info("%s: can't add kobject (directory) %s/%s\n",
 			__func__, dev->name, SYSFS_BRIDGE_PORT_SUBDIR);
+		err = -ENOMEM;
 		goto out3;
 	}
 	return 0;
diff --git a/net/caif/caif_socket.c b/net/caif/caif_socket.c
index aa209b1066c9..92cbbd2afddb 100644
--- a/net/caif/caif_socket.c
+++ b/net/caif/caif_socket.c
@@ -1107,10 +1107,7 @@ static struct net_proto_family caif_family_ops = {
 
 static int __init caif_sktinit_module(void)
 {
-	int err = sock_register(&caif_family_ops);
-	if (!err)
-		return err;
-	return 0;
+	return sock_register(&caif_family_ops);
 }
 
 static void __exit caif_sktexit_module(void)
diff --git a/net/dcb/dcbnl.c b/net/dcb/dcbnl.c
index 4f6c1862dfd2..3202d75329b5 100644
--- a/net/dcb/dcbnl.c
+++ b/net/dcb/dcbnl.c
@@ -1353,6 +1353,7 @@ static int dcbnl_cee_fill(struct sk_buff *skb, struct net_device *netdev)
 dcb_unlock:
 	spin_unlock_bh(&dcb_lock);
 nla_put_failure:
+	err = -EMSGSIZE;
 	return err;
 }
 
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 73a62700b00a..1b0e7d1f5217 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -808,6 +808,13 @@ static unsigned char update_suffix(struct key_vector *tn)
 {
 	unsigned char slen = tn->pos;
 	unsigned long stride, i;
+	unsigned char slen_max;
+
+	/* only vector 0 can have a suffix length greater than or equal to
+	 * tn->pos + tn->bits, the second highest node will have a suffix
+	 * length at most of tn->pos + tn->bits - 1
+	 */
+	slen_max = min_t(unsigned char, tn->pos + tn->bits - 1, tn->slen);
 
 	/* search though the list of children looking for nodes that might
 	 * have a suffix greater than the one we currently have.  This is
@@ -825,12 +832,8 @@ static unsigned char update_suffix(struct key_vector *tn)
 		slen = n->slen;
 		i &= ~(stride - 1);
 
-		/* if slen covers all but the last bit we can stop here
-		 * there will be nothing longer than that since only node
-		 * 0 and 1 << (bits - 1) could have that as their suffix
-		 * length.
-		 */
-		if ((slen + 1) >= (tn->pos + tn->bits))
+		/* stop searching if we have hit the maximum possible value */
+		if (slen >= slen_max)
 			break;
 	}
 
@@ -1002,39 +1005,27 @@ static struct key_vector *resize(struct trie *t, struct key_vector *tn)
 		return collapse(t, tn);
 
 	/* update parent in case halve failed */
-	tp = node_parent(tn);
-
-	/* Return if at least one deflate was run */
-	if (max_work != MAX_WORK)
-		return tp;
-
-	/* push the suffix length to the parent node */
-	if (tn->slen > tn->pos) {
-		unsigned char slen = update_suffix(tn);
-
-		if (slen > tp->slen)
-			tp->slen = slen;
-	}
-
-	return tp;
+	return node_parent(tn);
 }
 
-static void leaf_pull_suffix(struct key_vector *tp, struct key_vector *l)
+static void node_pull_suffix(struct key_vector *tn, unsigned char slen)
 {
-	while ((tp->slen > tp->pos) && (tp->slen > l->slen)) {
-		if (update_suffix(tp) > l->slen)
+	unsigned char node_slen = tn->slen;
+
+	while ((node_slen > tn->pos) && (node_slen > slen)) {
+		slen = update_suffix(tn);
+		if (node_slen == slen)
 			break;
-		tp = node_parent(tp);
+
+		tn = node_parent(tn);
+		node_slen = tn->slen;
 	}
 }
 
-static void leaf_push_suffix(struct key_vector *tn, struct key_vector *l)
+static void node_push_suffix(struct key_vector *tn, unsigned char slen)
 {
-	/* if this is a new leaf then tn will be NULL and we can sort
-	 * out parent suffix lengths as a part of trie_rebalance
-	 */
-	while (tn->slen < l->slen) {
-		tn->slen = l->slen;
+	while (tn->slen < slen) {
+		tn->slen = slen;
 		tn = node_parent(tn);
 	}
 }
@@ -1155,6 +1146,7 @@ static int fib_insert_node(struct trie *t, struct key_vector *tp,
 	}
 
 	/* Case 3: n is NULL, and will just insert a new leaf */
+	node_push_suffix(tp, new->fa_slen);
 	NODE_INIT_PARENT(l, tp);
 	put_child_root(tp, key, l);
 	trie_rebalance(t, tp);
@@ -1196,7 +1188,7 @@ static int fib_insert_alias(struct trie *t, struct key_vector *tp,
 	/* if we added to the tail node then we need to update slen */
 	if (l->slen < new->fa_slen) {
 		l->slen = new->fa_slen;
-		leaf_push_suffix(tp, l);
+		node_push_suffix(tp, new->fa_slen);
 	}
 
 	return 0;
@@ -1588,6 +1580,8 @@ static void fib_remove_alias(struct trie *t, struct key_vector *tp,
 	 * out parent suffix lengths as a part of trie_rebalance
 	 */
 	if (hlist_empty(&l->leaf)) {
+		if (tp->slen == l->slen)
+			node_pull_suffix(tp, tp->pos);
 		put_child_root(tp, l->key, NULL);
 		node_free(l);
 		trie_rebalance(t, tp);
@@ -1600,7 +1594,7 @@ static void fib_remove_alias(struct trie *t, struct key_vector *tp,
 
 	/* update the trie with the latest suffix length */
 	l->slen = fa->fa_slen;
-	leaf_pull_suffix(tp, l);
+	node_pull_suffix(tp, fa->fa_slen);
 }
 
 /* Caller must hold RTNL. */
@@ -1872,6 +1866,10 @@ void fib_table_flush_external(struct fib_table *tb)
 			if (IS_TRIE(pn))
 				break;
 
+			/* update the suffix to address pulled leaves */
+			if (pn->slen > pn->pos)
+				update_suffix(pn);
+
 			/* resize completed node */
 			pn = resize(t, pn);
 			cindex = get_index(pkey, pn);
@@ -1938,6 +1936,10 @@ int fib_table_flush(struct net *net, struct fib_table *tb)
 			if (IS_TRIE(pn))
 				break;
 
+			/* update the suffix to address pulled leaves */
+			if (pn->slen > pn->pos)
+				update_suffix(pn);
+
 			/* resize completed node */
 			pn = resize(t, pn);
 			cindex = get_index(pkey, pn);
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
index d11129f1178d..5b2635e69a92 100644
--- a/net/ipv4/ping.c
+++ b/net/ipv4/ping.c
@@ -657,6 +657,10 @@ int ping_common_sendmsg(int family, struct msghdr *msg, size_t len,
 	if (len > 0xFFFF)
 		return -EMSGSIZE;
 
+	/* Must have at least a full ICMP header. */
+	if (len < icmph_len)
+		return -EINVAL;
+
 	/*
 	 *	Check the flags.
 	 */
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index fe668c1b9ced..6c790754ae3e 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -129,6 +129,23 @@ int sysctl_tcp_invalid_ratelimit __read_mostly = HZ/2;
 #define REXMIT_LOST	1 /* retransmit packets marked lost */
 #define REXMIT_NEW	2 /* FRTO-style transmit of unsent/new packets */
 
+static void tcp_gro_dev_warn(struct sock *sk, const struct sk_buff *skb)
+{
+	static bool __once __read_mostly;
+
+	if (!__once) {
+		struct net_device *dev;
+
+		__once = true;
+
+		rcu_read_lock();
+		dev = dev_get_by_index_rcu(sock_net(sk), skb->skb_iif);
+		pr_warn("%s: Driver has suspect GRO implementation, TCP performance may be compromised.\n",
+			dev ? dev->name : "Unknown driver");
+		rcu_read_unlock();
+	}
+}
+
 /* Adapt the MSS value used to make delayed ack decision to the
  * real world.
  */
@@ -145,7 +162,10 @@ static void tcp_measure_rcv_mss(struct sock *sk, const struct sk_buff *skb)
 	 */
 	len = skb_shinfo(skb)->gso_size ? : skb->len;
 	if (len >= icsk->icsk_ack.rcv_mss) {
-		icsk->icsk_ack.rcv_mss = len;
+		icsk->icsk_ack.rcv_mss = min_t(unsigned int, len,
+					       tcp_sk(sk)->advmss);
+		if (unlikely(icsk->icsk_ack.rcv_mss != len))
+			tcp_gro_dev_warn(sk, skb);
 	} else {
 		/* Otherwise, we make more careful check taking into account,
 		 * that SACKs block is variable.
diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c
index 0e4334cbde17..15fe97644ffe 100644
--- a/net/mpls/af_mpls.c
+++ b/net/mpls/af_mpls.c
@@ -1252,7 +1252,7 @@ static int rtm_to_route_config(struct sk_buff *skb,  struct nlmsghdr *nlh,
 		if (!nla)
 			continue;
 
-		switch(index) {
+		switch (index) {
 		case RTA_OIF:
 			cfg->rc_ifindex = nla_get_u32(nla);
 			break;
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 602e5ebe9db3..246f29d365c0 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -322,11 +322,13 @@ static void netlink_skb_set_owner_r(struct sk_buff *skb, struct sock *sk)
 	sk_mem_charge(sk, skb->truesize);
 }
 
-static void __netlink_sock_destruct(struct sock *sk)
+static void netlink_sock_destruct(struct sock *sk)
 {
 	struct netlink_sock *nlk = nlk_sk(sk);
 
 	if (nlk->cb_running) {
+		if (nlk->cb.done)
+			nlk->cb.done(&nlk->cb);
 		module_put(nlk->cb.module);
 		kfree_skb(nlk->cb.skb);
 	}
@@ -348,21 +350,7 @@ static void netlink_sock_destruct_work(struct work_struct *work)
 	struct netlink_sock *nlk = container_of(work, struct netlink_sock,
 						work);
 
-	nlk->cb.done(&nlk->cb);
-	__netlink_sock_destruct(&nlk->sk);
-}
-
-static void netlink_sock_destruct(struct sock *sk)
-{
-	struct netlink_sock *nlk = nlk_sk(sk);
-
-	if (nlk->cb_running && nlk->cb.done) {
-		INIT_WORK(&nlk->work, netlink_sock_destruct_work);
-		schedule_work(&nlk->work);
-		return;
-	}
-
-	__netlink_sock_destruct(sk);
+	sk_free(&nlk->sk);
 }
 
 /* This lock without WQ_FLAG_EXCLUSIVE is good on UP and it is _very_ bad on
@@ -667,8 +655,18 @@ out_module:
 static void deferred_put_nlk_sk(struct rcu_head *head)
 {
 	struct netlink_sock *nlk = container_of(head, struct netlink_sock, rcu);
+	struct sock *sk = &nlk->sk;
+
+	if (!atomic_dec_and_test(&sk->sk_refcnt))
+		return;
+
+	if (nlk->cb_running && nlk->cb.done) {
+		INIT_WORK(&nlk->work, netlink_sock_destruct_work);
+		schedule_work(&nlk->work);
+		return;
+	}
 
-	sock_put(&nlk->sk);
+	sk_free(sk);
 }
 
 static int netlink_release(struct socket *sock)
diff --git a/sound/sparc/dbri.c b/sound/sparc/dbri.c
index 3fe4468ea2c5..52063b262667 100644
--- a/sound/sparc/dbri.c
+++ b/sound/sparc/dbri.c
@@ -1702,7 +1702,7 @@ interrupts are disabled.
 static void xmit_descs(struct snd_dbri *dbri)
 {
 	struct dbri_streaminfo *info;
-	u32 dvma_addr = (u32)dbri->dma_dvma;
+	u32 dvma_addr;
 	s32 *cmd;
 	unsigned long flags;
 	int first_td;
@@ -1710,6 +1710,7 @@ static void xmit_descs(struct snd_dbri *dbri)
 	if (dbri == NULL)
 		return;		/* Disabled */
 
+	dvma_addr = (u32)dbri->dma_dvma;
 	info = &dbri->stream_info[DBRI_REC];
 	spin_lock_irqsave(&dbri->lock, flags);