Merge "Merge android12-5.10.8 (f11e175) into msm-5.10"

Documentation/usb/gadget-testing.rst

@@ -91,9 +91,9 @@ The ECM function provides these attributes in its function directory:
 
 and after creating the functions/ecm.<instance name> they contain default
 values: qmult is 5, dev_addr and host_addr are randomly selected.
-Except for ifname they can be written to until the function is linked to a
+The ifname can be written to if the function is not bound. A write must be an
-configuration. The ifname is read-only and contains the name of the interface
+interface pattern such as "usb%d", which will cause the net core to choose the
-which was assigned by the net core, e. g. usb0.
+next free usbX interface. By default, it is set to "usb%d".
 
 Testing the ECM function
 ------------------------
@@ -131,9 +131,9 @@ The ECM subset function provides these attributes in its function directory:
 
 and after creating the functions/ecm.<instance name> they contain default
 values: qmult is 5, dev_addr and host_addr are randomly selected.
-Except for ifname they can be written to until the function is linked to a
+The ifname can be written to if the function is not bound. A write must be an
-configuration. The ifname is read-only and contains the name of the interface
+interface pattern such as "usb%d", which will cause the net core to choose the
-which was assigned by the net core, e. g. usb0.
+next free usbX interface. By default, it is set to "usb%d".
 
 Testing the ECM subset function
 -------------------------------
@@ -171,9 +171,9 @@ The EEM function provides these attributes in its function directory:
 
 and after creating the functions/eem.<instance name> they contain default
 values: qmult is 5, dev_addr and host_addr are randomly selected.
-Except for ifname they can be written to until the function is linked to a
+The ifname can be written to if the function is not bound. A write must be an
-configuration. The ifname is read-only and contains the name of the interface
+interface pattern such as "usb%d", which will cause the net core to choose the
-which was assigned by the net core, e. g. usb0.
+next free usbX interface. By default, it is set to "usb%d".
 
 Testing the EEM function
 ------------------------
@@ -453,9 +453,9 @@ The NCM function provides these attributes in its function directory:
 
 and after creating the functions/ncm.<instance name> they contain default
 values: qmult is 5, dev_addr and host_addr are randomly selected.
-Except for ifname they can be written to until the function is linked to a
+The ifname can be written to if the function is not bound. A write must be an
-configuration. The ifname is read-only and contains the name of the interface
+interface pattern such as "usb%d", which will cause the net core to choose the
-which was assigned by the net core, e. g. usb0.
+next free usbX interface. By default, it is set to "usb%d".
 
 Testing the NCM function
 ------------------------
@@ -591,9 +591,9 @@ The RNDIS function provides these attributes in its function directory:
 
 and after creating the functions/rndis.<instance name> they contain default
 values: qmult is 5, dev_addr and host_addr are randomly selected.
-Except for ifname they can be written to until the function is linked to a
+The ifname can be written to if the function is not bound. A write must be an
-configuration. The ifname is read-only and contains the name of the interface
+interface pattern such as "usb%d", which will cause the net core to choose the
-which was assigned by the net core, e. g. usb0.
+next free usbX interface. By default, it is set to "usb%d".
 
 Testing the RNDIS function
 --------------------------

Makefile

@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 5
 PATCHLEVEL = 10
-SUBLEVEL = 7
+SUBLEVEL = 8
 EXTRAVERSION =
 NAME = Kleptomaniac Octopus
 
@@ -917,6 +917,27 @@ KBUILD_CFLAGS	+= $(CC_FLAGS_LTO)
 export CC_FLAGS_LTO
 endif
 
+ifdef CONFIG_CFI_CLANG
+CC_FLAGS_CFI	:= -fsanitize=cfi \
+		   -fsanitize-cfi-cross-dso \
+		   -fno-sanitize-cfi-canonical-jump-tables \
+		   -fno-sanitize-blacklist
+
+ifdef CONFIG_CFI_PERMISSIVE
+CC_FLAGS_CFI	+= -fsanitize-recover=cfi \
+		   -fno-sanitize-trap=cfi
+else
+ifndef CONFIG_UBSAN_TRAP
+CC_FLAGS_CFI	+= -ftrap-function=__ubsan_handle_cfi_check_fail_abort
+endif
+endif
+
+# If LTO flags are filtered out, we must also filter out CFI.
+CC_FLAGS_LTO	+= $(CC_FLAGS_CFI)
+KBUILD_CFLAGS	+= $(CC_FLAGS_CFI)
+export CC_FLAGS_CFI
+endif
+
 ifdef CONFIG_DEBUG_FORCE_FUNCTION_ALIGN_32B
 KBUILD_CFLAGS += -falign-functions=32
 endif

arch/Kconfig

@@ -704,6 +704,29 @@ config LTO_CLANG_THIN
 	  If unsure, say Y.
 endchoice
 
+config CFI_CLANG
+	bool "Use Clang's Control Flow Integrity (CFI)"
+	depends on LTO_CLANG && KALLSYMS
+	help
+	  This option enables Clang's Control Flow Integrity (CFI), which adds
+	  runtime checking for indirect function calls.
+
+config CFI_CLANG_SHADOW
+	bool "Use CFI shadow to speed up cross-module checks"
+	default y
+	depends on CFI_CLANG && MODULES
+	help
+	  If you select this option, the kernel builds a fast look-up table of
+	  CFI check functions in loaded modules to reduce overhead.
+
+config CFI_PERMISSIVE
+	bool "Use CFI in permissive mode"
+	depends on CFI_CLANG
+	help
+	  When selected, Control Flow Integrity (CFI) violations result in a
+	  warning instead of a kernel panic. This option is useful for finding
+	  CFI violations during development.
+
 config HAVE_ARCH_WITHIN_STACK_FRAMES
 	bool
 	help
@@ -1143,6 +1166,12 @@ config ARCH_WANT_LD_ORPHAN_WARN
 	  by the linker, since the locations of such sections can change between linker
 	  versions.
 
+config ARCH_SPLIT_ARG64
+	bool
+	help
+	   If a 32-bit architecture requires 64-bit arguments to be split into
+	   pairs of 32-bit arguments, select this option.
+
 source "kernel/gcov/Kconfig"
 
 source "scripts/gcc-plugins/Kconfig"

arch/arm/mach-omap2/omap_device.c

@@ -230,10 +230,12 @@ static int _omap_device_notifier_call(struct notifier_block *nb,
 		break;
 	case BUS_NOTIFY_BIND_DRIVER:
 		od = to_omap_device(pdev);
-		if (od && (od->_state == OMAP_DEVICE_STATE_ENABLED) &&
+		if (od) {
-		    pm_runtime_status_suspended(dev)) {
 			od->_driver_status = BUS_NOTIFY_BIND_DRIVER;
-			pm_runtime_set_active(dev);
+			if (od->_state == OMAP_DEVICE_STATE_ENABLED &&
+			    pm_runtime_status_suspended(dev)) {
+				pm_runtime_set_active(dev);
+			}
 		}
 		break;
 	case BUS_NOTIFY_ADD_DEVICE:

arch/arm64/Kconfig

@@ -1658,6 +1658,8 @@ config ARM64_BTI_KERNEL
 	# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94697
 	depends on !CC_IS_GCC || GCC_VERSION >= 100100
 	depends on !(CC_IS_CLANG && GCOV_KERNEL)
+	# https://bugs.llvm.org/show_bug.cgi?id=46258
+	depends on !CFI_CLANG || CLANG_VERSION >= 120000
 	depends on (!FUNCTION_GRAPH_TRACER || DYNAMIC_FTRACE_WITH_REGS)
 	help
 	  Build the kernel with Branch Target Identification annotations

arch/arm64/include/asm/kvm_asm.h

@@ -158,7 +158,7 @@ extern void *__vhe_undefined_symbol;
 			val = lm_alias((ptr));				\
 		val;							\
 	 })
-#define kvm_ksym_ref_nvhe(sym)	kvm_ksym_ref(kvm_nvhe_sym(sym))
+#define kvm_ksym_ref_nvhe(sym)	kvm_ksym_ref(__va_function(kvm_nvhe_sym(sym)))
 
 struct kvm;
 struct kvm_vcpu;

arch/arm64/include/asm/memory.h

@@ -300,6 +300,24 @@ static inline void *phys_to_virt(phys_addr_t x)
 #define virt_to_pfn(x)		__phys_to_pfn(__virt_to_phys((unsigned long)(x)))
 #define sym_to_pfn(x)		__phys_to_pfn(__pa_symbol(x))
 
+/*
+ * With non-canonical CFI jump tables, the compiler replaces function
+ * address references with the address of the function's CFI jump
+ * table entry. This results in __pa_symbol(function) returning the
+ * physical address of the jump table entry, which can lead to address
+ * space confusion since the jump table points to the function's
+ * virtual address. Therefore, use inline assembly to ensure we are
+ * always taking the address of the actual function.
+ */
+#define __va_function(x) ({						\
+	void *addr;							\
+	asm("adrp %0, " __stringify(x) "\n\t"				\
+	    "add  %0, %0, :lo12:" __stringify(x) : "=r" (addr));	\
+	addr;								\
+})
+
+#define __pa_function(x) 	__pa_symbol(__va_function(x))
+
 /*
  *  virt_to_page(x)	convert a _valid_ virtual address to struct page *
  *  virt_addr_valid(x)	indicates whether a virtual address is valid

arch/arm64/include/asm/mmu_context.h

@@ -137,7 +137,7 @@ static inline void cpu_install_idmap(void)
  * Atomically replaces the active TTBR1_EL1 PGD with a new VA-compatible PGD,
  * avoiding the possibility of conflicting TLB entries being allocated.
  */
-static inline void cpu_replace_ttbr1(pgd_t *pgdp)
+static inline void __nocfi cpu_replace_ttbr1(pgd_t *pgdp)
 {
 	typedef void (ttbr_replace_func)(phys_addr_t);
 	extern ttbr_replace_func idmap_cpu_replace_ttbr1;
@@ -158,7 +158,7 @@ static inline void cpu_replace_ttbr1(pgd_t *pgdp)
 		ttbr1 |= TTBR_CNP_BIT;
 	}
 
-	replace_phys = (void *)__pa_symbol(idmap_cpu_replace_ttbr1);
+	replace_phys = (void *)__pa_function(idmap_cpu_replace_ttbr1);
 
 	cpu_install_idmap();
 	replace_phys(ttbr1);

arch/arm64/include/asm/processor.h

@@ -97,7 +97,8 @@
 #endif /* CONFIG_ARM64_FORCE_52BIT */
 
 extern phys_addr_t arm64_dma_phys_limit;
-#define ARCH_LOW_ADDRESS_LIMIT	(arm64_dma_phys_limit - 1)
+extern phys_addr_t arm64_dma32_phys_limit;
+#define ARCH_LOW_ADDRESS_LIMIT	((arm64_dma_phys_limit ? : arm64_dma32_phys_limit) - 1)
 
 struct debug_info {
 #ifdef CONFIG_HAVE_HW_BREAKPOINT

arch/arm64/kernel/alternative.c

@@ -132,8 +132,8 @@ static void clean_dcache_range_nopatch(u64 start, u64 end)
 	} while (cur += d_size, cur < end);
 }
 
-static void __apply_alternatives(void *alt_region,  bool is_module,
+static void __nocfi __apply_alternatives(void *alt_region,  bool is_module,
-				 unsigned long *feature_mask)
+					 unsigned long *feature_mask)
 {
 	struct alt_instr *alt;
 	struct alt_region *region = alt_region;

arch/arm64/kernel/cpu-reset.h

@@ -13,16 +13,16 @@
 void __cpu_soft_restart(unsigned long el2_switch, unsigned long entry,
 	unsigned long arg0, unsigned long arg1, unsigned long arg2);
 
-static inline void __noreturn cpu_soft_restart(unsigned long entry,
+static inline void __noreturn __nocfi cpu_soft_restart(unsigned long entry,
-					       unsigned long arg0,
+						       unsigned long arg0,
-					       unsigned long arg1,
+						       unsigned long arg1,
-					       unsigned long arg2)
+						       unsigned long arg2)
 {
 	typeof(__cpu_soft_restart) *restart;
 
 	unsigned long el2_switch = !is_kernel_in_hyp_mode() &&
 		is_hyp_mode_available();
-	restart = (void *)__pa_symbol(__cpu_soft_restart);
+	restart = (void *)__pa_function(__cpu_soft_restart);
 
 	cpu_install_idmap();
 	restart(el2_switch, entry, arg0, arg1, arg2);

arch/arm64/kernel/cpufeature.c

@@ -1398,7 +1398,7 @@ static bool unmap_kernel_at_el0(const struct arm64_cpu_capabilities *entry,
 }
 
 #ifdef CONFIG_UNMAP_KERNEL_AT_EL0
-static void
+static void __nocfi
 kpti_install_ng_mappings(const struct arm64_cpu_capabilities *__unused)
 {
 	typedef void (kpti_remap_fn)(int, int, phys_addr_t);
@@ -1415,7 +1415,7 @@ kpti_install_ng_mappings(const struct arm64_cpu_capabilities *__unused)
 	if (arm64_use_ng_mappings)
 		return;
 
-	remap_fn = (void *)__pa_symbol(idmap_kpti_install_ng_mappings);
+	remap_fn = (void *)__pa_function(idmap_kpti_install_ng_mappings);
 
 	cpu_install_idmap();
 	remap_fn(cpu, num_online_cpus(), __pa_symbol(swapper_pg_dir));
@@ -2571,7 +2571,7 @@ static void verify_hyp_capabilities(void)
 	int parange, ipa_max;
 	unsigned int safe_vmid_bits, vmid_bits;
 
-	if (!IS_ENABLED(CONFIG_KVM) || !IS_ENABLED(CONFIG_KVM_ARM_HOST))
+	if (!IS_ENABLED(CONFIG_KVM))
 		return;
 
 	safe_mmfr1 = read_sanitised_ftr_reg(SYS_ID_AA64MMFR1_EL1);

arch/arm64/kernel/psci.c

@@ -38,7 +38,8 @@ static int __init cpu_psci_cpu_prepare(unsigned int cpu)
 
 static int cpu_psci_cpu_boot(unsigned int cpu)
 {
-	int err = psci_ops.cpu_on(cpu_logical_map(cpu), __pa_symbol(secondary_entry));
+	int err = psci_ops.cpu_on(cpu_logical_map(cpu),
+				  __pa_function(secondary_entry));
 	if (err)
 		pr_err("failed to boot CPU%d (%d)\n", cpu, err);
 

arch/arm64/kernel/smp_spin_table.c

@@ -88,7 +88,7 @@ static int smp_spin_table_cpu_prepare(unsigned int cpu)
 	 * boot-loader's endianness before jumping. This is mandated by
 	 * the boot protocol.
 	 */
-	writeq_relaxed(__pa_symbol(secondary_holding_pen), release_addr);
+	writeq_relaxed(__pa_function(secondary_holding_pen), release_addr);
 	__flush_dcache_area((__force void *)release_addr,
 			    sizeof(*release_addr));
 

arch/arm64/kvm/Makefile

@@ -4,6 +4,7 @@
 #
 
 ccflags-y += -I $(srctree)/$(src)
+CFLAGS_REMOVE_debug.o += $(CC_FLAGS_CFI)
 
 KVM=../../../virt/kvm
 

arch/arm64/kvm/hyp/Makefile

@@ -11,3 +11,6 @@ subdir-ccflags-y := -I$(incdir)				\
 		    $(DISABLE_STACKLEAK_PLUGIN)
 
 obj-$(CONFIG_KVM) += vhe/ nvhe/ pgtable.o smccc_wa.o
+
+# Disable LTO+CFI for the files in this directory
+KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_LTO), $(KBUILD_CFLAGS))

arch/arm64/kvm/sys_regs.c

@@ -663,6 +663,10 @@ static void reset_pmcr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *r)
 {
 	u64 pmcr, val;
 
+	/* No PMU available, PMCR_EL0 may UNDEF... */
+	if (!kvm_arm_support_pmu_v3())
+		return;
+
 	pmcr = read_sysreg(pmcr_el0);
 	/*
 	 * Writable bits of PMCR_EL0 (ARMV8_PMU_PMCR_MASK) are reset to UNKNOWN

arch/arm64/mm/init.c

@@ -60,7 +60,7 @@ EXPORT_SYMBOL(memstart_addr);
  * bit addressable memory area.
  */
 phys_addr_t arm64_dma_phys_limit __ro_after_init;
-static phys_addr_t arm64_dma32_phys_limit __ro_after_init;
+phys_addr_t arm64_dma32_phys_limit __ro_after_init;
 
 #ifdef CONFIG_KEXEC_CORE
 /*

arch/powerpc/kernel/head_book3s_32.S

@@ -262,10 +262,19 @@ __secondary_hold_acknowledge:
 MachineCheck:
 	EXCEPTION_PROLOG_0
 #ifdef CONFIG_PPC_CHRP
+#ifdef CONFIG_VMAP_STACK
+	mr	r11, r1
+	mfspr	r1, SPRN_SPRG_THREAD
+	lwz	r1, RTAS_SP(r1)
+	cmpwi	cr1, r1, 0
+	bne	cr1, 7f
+	mr	r1, r11
+#else
 	mfspr	r11, SPRN_SPRG_THREAD
 	lwz	r11, RTAS_SP(r11)
 	cmpwi	cr1, r11, 0
 	bne	cr1, 7f
+#endif
 #endif /* CONFIG_PPC_CHRP */
 	EXCEPTION_PROLOG_1 for_rtas=1
 7:	EXCEPTION_PROLOG_2

arch/x86/Kconfig

@@ -18,6 +18,7 @@ config X86_32
 	select MODULES_USE_ELF_REL
 	select OLD_SIGACTION
 	select GENERIC_VDSO_32
+	select ARCH_SPLIT_ARG64
 
 config X86_64
 	def_bool y

arch/x86/include/asm/sections.h

@@ -8,6 +8,7 @@
 #include <asm/extable.h>
 
 extern char __brk_base[], __brk_limit[];
+extern char __cfi_jt_start[], __cfi_jt_end[];
 extern char __end_rodata_aligned[];
 
 #if defined(CONFIG_X86_64)

arch/x86/kernel/alternative.c

@@ -628,23 +628,10 @@ extern struct paravirt_patch_site __start_parainstructions[],
  *
  * See entry_{32,64}.S for more details.
  */
-
+static void __init __no_sanitize_address notrace int3_magic(unsigned int *ptr)
-/*
+{
- * We define the int3_magic() function in assembly to control the calling
+	*ptr = 1;
- * convention such that we can 'call' it from assembly.
+}
- */
-
-extern void int3_magic(unsigned int *ptr); /* defined in asm */
-
-asm (
-"	.pushsection	.init.text, \"ax\", @progbits\n"
-"	.type		int3_magic, @function\n"
-"int3_magic:\n"
-"	movl	$1, (%" _ASM_ARG1 ")\n"
-"	ret\n"
-"	.size		int3_magic, .-int3_magic\n"
-"	.popsection\n"
-);
 
 extern __initdata unsigned long int3_selftest_ip; /* defined in asm below */
 

arch/x86/kernel/kprobes/opt.c

@@ -103,6 +103,14 @@ static void synthesize_set_arg1(kprobe_opcode_t *addr, unsigned long val)
 asm (
 			".pushsection .rodata\n"
 			"optprobe_template_func:\n"
+			".pushsection .discard.func_stack_frame_non_standard\n"
+			"__func_stack_frame_non_standard_optprobe_template_func:\n"
+#ifdef CONFIG_64BIT
+		        ".quad optprobe_template_func\n"
+#else
+			".long optprobe_template_func\n"
+#endif
+			".popsection\n"
 			".global optprobe_template_entry\n"
 			"optprobe_template_entry:\n"
 #ifdef CONFIG_X86_64
@@ -154,9 +162,6 @@ asm (
 			"optprobe_template_end:\n"
 			".popsection\n");
 
-void optprobe_template_func(void);
-STACK_FRAME_NON_STANDARD(optprobe_template_func);
-
 #define TMPL_CLAC_IDX \
 	((long)optprobe_template_clac - (long)optprobe_template_entry)
 #define TMPL_MOVE_IDX \

arch/x86/kernel/module.c

@@ -196,6 +196,10 @@ static int __apply_relocate_add(Elf64_Shdr *sechdrs,
 			val -= (u64)loc;
 			write(loc, &val, 8);
 			break;
+		case R_X86_64_8:
+			if (!strncmp(strtab + sym->st_name, "__typeid__", 10))
+				break;
+			/* fallthrough */
 		default:
 			pr_err("%s: Unknown rela relocation: %llu\n",
 			       me->name, ELF64_R_TYPE(rel[i].r_info));

arch/x86/kernel/vmlinux.lds.S

@@ -490,3 +490,7 @@ INIT_PER_CPU(irq_stack_backing_store);
            "kexec control code size is too big");
 #endif
 
+#ifdef CONFIG_CFI_CLANG
+. = ASSERT((__cfi_jt_end - __cfi_jt_start > 0),
+	   "CFI jump table is empty");
+#endif

arch/x86/mm/extable.c

@@ -155,6 +155,7 @@ enum handler_type ex_get_fault_handler_type(unsigned long ip)
 		return EX_HANDLER_OTHER;
 }
 
+__nocfi
 int fixup_exception(struct pt_regs *regs, int trapnr, unsigned long error_code,
 		    unsigned long fault_addr)
 {

arch/x86/mm/pti.c

@@ -498,6 +498,15 @@ static void pti_clone_entry_text(void)
 	pti_clone_pgtable((unsigned long) __entry_text_start,
 			  (unsigned long) __entry_text_end,
 			  PTI_CLONE_PMD);
+
+	/*
+	 * If CFI is enabled, also map jump tables, so the entry code can
+	 * make indirect calls.
+	 */
+	if (IS_ENABLED(CONFIG_CFI_CLANG))
+		pti_clone_pgtable((unsigned long) __cfi_jt_start,
+				  (unsigned long) __cfi_jt_end,
+				  PTI_CLONE_PMD);
 }
 
 /*

arch/x86/pci/mmconfig-shared.c

@@ -425,7 +425,7 @@ static acpi_status find_mboard_resource(acpi_handle handle, u32 lvl,
 	return AE_OK;
 }
 
-static bool is_acpi_reserved(u64 start, u64 end, unsigned not_used)
+static bool is_acpi_reserved(u64 start, u64 end, enum e820_type not_used)
 {
 	struct resource mcfg_res;
 
@@ -442,7 +442,7 @@ static bool is_acpi_reserved(u64 start, u64 end, unsigned not_used)
 	return mcfg_res.flags;
 }
 
-typedef bool (*check_reserved_t)(u64 start, u64 end, unsigned type);
+typedef bool (*check_reserved_t)(u64 start, u64 end, enum e820_type type);
 
 static bool __ref is_mmconf_reserved(check_reserved_t is_reserved,
 				     struct pci_mmcfg_region *cfg,

arch/x86/purgatory/Makefile

@@ -31,7 +31,7 @@ KCOV_INSTRUMENT := n
 # These are adjustments to the compiler flags used for objects that
 # make up the standalone purgatory.ro
 
-PURGATORY_CFLAGS_REMOVE := -mcmodel=kernel
+PURGATORY_CFLAGS_REMOVE := -mcmodel=kernel $(CC_FLAGS_CFI)
 PURGATORY_CFLAGS := -mcmodel=large -ffreestanding -fno-zero-initialized-in-bss -g0
 PURGATORY_CFLAGS += $(DISABLE_STACKLEAK_PLUGIN) -DDISABLE_BRANCH_PROFILING
 PURGATORY_CFLAGS += -fno-stack-protector

arch/x86/tools/relocs.c

@@ -48,6 +48,7 @@ static const char * const sym_regex_kernel[S_NSYMTYPES] = {
 	"^(xen_irq_disable_direct_reloc$|"
 	"xen_save_fl_direct_reloc$|"
 	"VDSO|"
+	"__typeid__|"
 	"__crc_)",
 
 /*
@@ -808,6 +809,12 @@ static int do_reloc64(struct section *sec, Elf_Rel *rel, ElfW(Sym) *sym,
 			    symname);
 		break;
 
+	case R_X86_64_8:
+		if (!shn_abs || !is_reloc(S_ABS, symname))
+			die("Non-whitelisted %s relocation: %s\n",
+				rel_type(r_type), symname);
+		break;
+
 	case R_X86_64_32:
 	case R_X86_64_32S:
 	case R_X86_64_64:

block/genhd.c

@@ -256,14 +256,17 @@ struct hd_struct *disk_part_iter_next(struct disk_part_iter *piter)
 		part = rcu_dereference(ptbl->part[piter->idx]);
 		if (!part)
 			continue;
+		get_device(part_to_dev(part));
+		piter->part = part;
 		if (!part_nr_sects_read(part) &&
 		    !(piter->flags & DISK_PITER_INCL_EMPTY) &&
 		    !(piter->flags & DISK_PITER_INCL_EMPTY_PART0 &&
-		      piter->idx == 0))
+		      piter->idx == 0)) {
+			put_device(part_to_dev(part));
+			piter->part = NULL;
 			continue;
+		}
 
-		get_device(part_to_dev(part));
-		piter->part = part;
 		piter->idx += inc;
 		break;
 	}

build.config.gki.aarch64

@@ -2,6 +2,7 @@
 . ${ROOT_DIR}/${KERNEL_DIR}/build.config.aarch64
 . ${ROOT_DIR}/${KERNEL_DIR}/build.config.gki
 
+ABI_DEFINITION=android/abi_gki_aarch64.xml
 KMI_SYMBOL_LIST=android/abi_gki_aarch64
 ADDITIONAL_KMI_SYMBOL_LISTS="
 android/abi_gki_aarch64_db845c

drivers/base/regmap/regmap-debugfs.c

@@ -582,8 +582,12 @@ void regmap_debugfs_init(struct regmap *map)
 		devname = dev_name(map->dev);
 
 	if (name) {
-		map->debugfs_name = kasprintf(GFP_KERNEL, "%s-%s",
+		if (!map->debugfs_name) {
+			map->debugfs_name = kasprintf(GFP_KERNEL, "%s-%s",
 					      devname, name);
+			if (!map->debugfs_name)
+				return;
+		}
 		name = map->debugfs_name;
 	} else {
 		name = devname;
@@ -591,9 +595,10 @@ void regmap_debugfs_init(struct regmap *map)
 
 	if (!strcmp(name, "dummy")) {
 		kfree(map->debugfs_name);
-
 		map->debugfs_name = kasprintf(GFP_KERNEL, "dummy%d",
 						dummy_index);
+		if (!map->debugfs_name)
+				return;
 		name = map->debugfs_name;
 		dummy_index++;
 	}

drivers/block/Kconfig

@@ -451,6 +451,7 @@ config BLK_DEV_RBD
 config BLK_DEV_RSXX
 	tristate "IBM Flash Adapter 900GB Full Height PCIe Device Driver"
 	depends on PCI
+	select CRC32
 	help
 	  Device driver for IBM's high speed PCIe SSD
 	  storage device: Flash Adapter 900GB Full Height.

drivers/block/rnbd/rnbd-clt.c

@@ -1671,7 +1671,8 @@ static void rnbd_destroy_sessions(void)
 	 */
 
 	list_for_each_entry_safe(sess, sn, &sess_list, list) {
-		WARN_ON(!rnbd_clt_get_sess(sess));
+		if (!rnbd_clt_get_sess(sess))
+			continue;
 		close_rtrs(sess);
 		list_for_each_entry_safe(dev, tn, &sess->devs_list, list) {
 			/*

drivers/cpufreq/powernow-k8.c

@@ -878,9 +878,9 @@ static int get_transition_latency(struct powernow_k8_data *data)
 
 /* Take a frequency, and issue the fid/vid transition command */
 static int transition_frequency_fidvid(struct powernow_k8_data *data,
-		unsigned int index)
+		unsigned int index,
+		struct cpufreq_policy *policy)
 {
-	struct cpufreq_policy *policy;
 	u32 fid = 0;
 	u32 vid = 0;
 	int res;
@@ -912,9 +912,6 @@ static int transition_frequency_fidvid(struct powernow_k8_data *data,
 	freqs.old = find_khz_freq_from_fid(data->currfid);
 	freqs.new = find_khz_freq_from_fid(fid);
 
-	policy = cpufreq_cpu_get(smp_processor_id());
-	cpufreq_cpu_put(policy);
-
 	cpufreq_freq_transition_begin(policy, &freqs);
 	res = transition_fid_vid(data, fid, vid);
 	cpufreq_freq_transition_end(policy, &freqs, res);
@@ -969,7 +966,7 @@ static long powernowk8_target_fn(void *arg)
 
 	powernow_k8_acpi_pst_values(data, newstate);
 
-	ret = transition_frequency_fidvid(data, newstate);
+	ret = transition_frequency_fidvid(data, newstate, pol);
 
 	if (ret) {
 		pr_err("transition frequency failed\n");

drivers/dma/dw-edma/dw-edma-core.c

@@ -86,12 +86,12 @@ static struct dw_edma_chunk *dw_edma_alloc_chunk(struct dw_edma_desc *desc)
 
 	if (desc->chunk) {
 		/* Create and add new element into the linked list */
-		desc->chunks_alloc++;
-		list_add_tail(&chunk->list, &desc->chunk->list);
 		if (!dw_edma_alloc_burst(chunk)) {
 			kfree(chunk);
 			return NULL;
 		}
+		desc->chunks_alloc++;
+		list_add_tail(&chunk->list, &desc->chunk->list);
 	} else {
 		/* List head */
 		chunk->burst = NULL;

drivers/dma/mediatek/mtk-hsdma.c

@@ -1007,6 +1007,7 @@ static int mtk_hsdma_probe(struct platform_device *pdev)
 	return 0;
 
 err_free:
+	mtk_hsdma_hw_deinit(hsdma);
 	of_dma_controller_free(pdev->dev.of_node);
 err_unregister:
 	dma_async_device_unregister(dd);

drivers/dma/milbeaut-xdmac.c

@@ -351,7 +351,7 @@ static int milbeaut_xdmac_probe(struct platform_device *pdev)
 
 	ret = dma_async_device_register(ddev);
 	if (ret)
-		return ret;
+		goto disable_xdmac;
 
 	ret = of_dma_controller_register(dev->of_node,
 					 of_dma_simple_xlate, mdev);
@@ -364,6 +364,8 @@ static int milbeaut_xdmac_probe(struct platform_device *pdev)
 
 unregister_dmac:
 	dma_async_device_unregister(ddev);
+disable_xdmac:
+	disable_xdmac(mdev);
 	return ret;
 }
 

drivers/dma/xilinx/xilinx_dma.c

@@ -2781,7 +2781,7 @@ static int xilinx_dma_chan_probe(struct xilinx_dma_device *xdev,
 		has_dre = false;
 
 	if (!has_dre)
-		xdev->common.copy_align = fls(width - 1);
+		xdev->common.copy_align = (enum dmaengine_alignment)fls(width - 1);
 
 	if (of_device_is_compatible(node, "xlnx,axi-vdma-mm2s-channel") ||
 	    of_device_is_compatible(node, "xlnx,axi-dma-mm2s-channel") ||
@@ -2900,7 +2900,8 @@ static int xilinx_dma_chan_probe(struct xilinx_dma_device *xdev,
 static int xilinx_dma_child_probe(struct xilinx_dma_device *xdev,
 				    struct device_node *node)
 {
-	int ret, i, nr_channels = 1;
+	int ret, i;
+	u32 nr_channels = 1;
 
 	ret = of_property_read_u32(node, "dma-channels", &nr_channels);
 	if (xdev->dma_config->dmatype == XDMA_TYPE_AXIMCDMA && ret < 0)
@@ -3112,7 +3113,11 @@ static int xilinx_dma_probe(struct platform_device *pdev)
 	}
 
 	/* Register the DMA engine with the core */
-	dma_async_device_register(&xdev->common);
+	err = dma_async_device_register(&xdev->common);
+	if (err) {
+		dev_err(xdev->dev, "failed to register the dma device\n");
+		goto error;
+	}
 
 	err = of_dma_controller_register(node, of_dma_xilinx_xlate,
 					 xdev);

drivers/gpu/drm/i915/display/intel_display_types.h

@@ -1382,6 +1382,9 @@ struct intel_dp {
 		bool ycbcr_444_to_420;
 	} dfp;
 
+	/* To control wakeup latency, e.g. for irq-driven dp aux transfers. */
+	struct pm_qos_request pm_qos;
+
 	/* Display stream compression testing */
 	bool force_dsc_en;
 

drivers/gpu/drm/i915/display/intel_dp.c

@@ -1411,7 +1411,7 @@ intel_dp_aux_xfer(struct intel_dp *intel_dp,
 	 * lowest possible wakeup latency and so prevent the cpu from going into
 	 * deep sleep states.
 	 */
-	cpu_latency_qos_update_request(&i915->pm_qos, 0);
+	cpu_latency_qos_update_request(&intel_dp->pm_qos, 0);
 
 	intel_dp_check_edp(intel_dp);
 
@@ -1544,7 +1544,7 @@ intel_dp_aux_xfer(struct intel_dp *intel_dp,
 
 	ret = recv_bytes;
 out:
-	cpu_latency_qos_update_request(&i915->pm_qos, PM_QOS_DEFAULT_VALUE);
+	cpu_latency_qos_update_request(&intel_dp->pm_qos, PM_QOS_DEFAULT_VALUE);
 
 	if (vdd)
 		edp_panel_vdd_off(intel_dp, false);
@@ -1776,6 +1776,9 @@ static i915_reg_t skl_aux_data_reg(struct intel_dp *intel_dp, int index)
 static void
 intel_dp_aux_fini(struct intel_dp *intel_dp)
 {
+	if (cpu_latency_qos_request_active(&intel_dp->pm_qos))
+		cpu_latency_qos_remove_request(&intel_dp->pm_qos);
+
 	kfree(intel_dp->aux.name);
 }
 
@@ -1818,6 +1821,7 @@ intel_dp_aux_init(struct intel_dp *intel_dp)
 				       aux_ch_name(dig_port->aux_ch),
 				       port_name(encoder->port));
 	intel_dp->aux.transfer = intel_dp_aux_transfer;
+	cpu_latency_qos_add_request(&intel_dp->pm_qos, PM_QOS_DEFAULT_VALUE);
 }
 
 bool intel_dp_source_supports_hbr2(struct intel_dp *intel_dp)

drivers/gpu/drm/i915/i915_drv.c

@@ -577,8 +577,6 @@ static int i915_driver_hw_probe(struct drm_i915_private *dev_priv)
 
 	pci_set_master(pdev);
 
-	cpu_latency_qos_add_request(&dev_priv->pm_qos, PM_QOS_DEFAULT_VALUE);
-
 	intel_gt_init_workarounds(dev_priv);
 
 	/* On the 945G/GM, the chipset reports the MSI capability on the
@@ -623,7 +621,6 @@ static int i915_driver_hw_probe(struct drm_i915_private *dev_priv)
 err_msi:
 	if (pdev->msi_enabled)
 		pci_disable_msi(pdev);
-	cpu_latency_qos_remove_request(&dev_priv->pm_qos);
 err_mem_regions:
 	intel_memory_regions_driver_release(dev_priv);
 err_ggtt:
@@ -645,8 +642,6 @@ static void i915_driver_hw_remove(struct drm_i915_private *dev_priv)
 
 	if (pdev->msi_enabled)
 		pci_disable_msi(pdev);
-
-	cpu_latency_qos_remove_request(&dev_priv->pm_qos);
 }
 
 /**

drivers/gpu/drm/i915/i915_drv.h

@@ -892,9 +892,6 @@ struct drm_i915_private {
 
 	bool display_irqs_enabled;
 
-	/* To control wakeup latency, e.g. for irq-driven dp aux transfers. */
-	struct pm_qos_request pm_qos;
-
 	/* Sideband mailbox protection */
 	struct mutex sb_lock;
 	struct pm_qos_request sb_qos;

drivers/gpu/drm/panfrost/panfrost_job.c

@@ -617,6 +617,8 @@ int panfrost_job_init(struct panfrost_device *pfdev)
 	}
 
 	for (j = 0; j < NUM_JOB_SLOTS; j++) {
+		mutex_init(&js->queue[j].lock);
+
 		js->queue[j].fence_context = dma_fence_context_alloc(1);
 
 		ret = drm_sched_init(&js->queue[j].sched,
@@ -647,8 +649,10 @@ void panfrost_job_fini(struct panfrost_device *pfdev)
 
 	job_write(pfdev, JOB_INT_MASK, 0);
 
-	for (j = 0; j < NUM_JOB_SLOTS; j++)
+	for (j = 0; j < NUM_JOB_SLOTS; j++) {
 		drm_sched_fini(&js->queue[j].sched);
+		mutex_destroy(&js->queue[j].lock);
+	}
 
 }
 
@@ -660,7 +664,6 @@ int panfrost_job_open(struct panfrost_file_priv *panfrost_priv)
 	int ret, i;
 
 	for (i = 0; i < NUM_JOB_SLOTS; i++) {
-		mutex_init(&js->queue[i].lock);
 		sched = &js->queue[i].sched;
 		ret = drm_sched_entity_init(&panfrost_priv->sched_entity[i],
 					    DRM_SCHED_PRIORITY_NORMAL, &sched,
@@ -673,14 +676,10 @@ int panfrost_job_open(struct panfrost_file_priv *panfrost_priv)
 
 void panfrost_job_close(struct panfrost_file_priv *panfrost_priv)
 {
-	struct panfrost_device *pfdev = panfrost_priv->pfdev;
-	struct panfrost_job_slot *js = pfdev->js;
 	int i;
 
-	for (i = 0; i < NUM_JOB_SLOTS; i++) {
+	for (i = 0; i < NUM_JOB_SLOTS; i++)
 		drm_sched_entity_destroy(&panfrost_priv->sched_entity[i]);
-		mutex_destroy(&js->queue[i].lock);
-	}
 }
 
 int panfrost_job_is_idle(struct panfrost_device *pfdev)

drivers/hid/wacom_sys.c

@@ -1270,6 +1270,37 @@ static int wacom_devm_sysfs_create_group(struct wacom *wacom,
 					       group);
 }
 
+static void wacom_devm_kfifo_release(struct device *dev, void *res)
+{
+	struct kfifo_rec_ptr_2 *devres = res;
+
+	kfifo_free(devres);
+}
+
+static int wacom_devm_kfifo_alloc(struct wacom *wacom)
+{
+	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
+	struct kfifo_rec_ptr_2 *pen_fifo = &wacom_wac->pen_fifo;
+	int error;
+
+	pen_fifo = devres_alloc(wacom_devm_kfifo_release,
+			      sizeof(struct kfifo_rec_ptr_2),
+			      GFP_KERNEL);
+
+	if (!pen_fifo)
+		return -ENOMEM;
+
+	error = kfifo_alloc(pen_fifo, WACOM_PKGLEN_MAX, GFP_KERNEL);
+	if (error) {
+		devres_free(pen_fifo);
+		return error;
+	}
+
+	devres_add(&wacom->hdev->dev, pen_fifo);
+
+	return 0;
+}
+
 enum led_brightness wacom_leds_brightness_get(struct wacom_led *led)
 {
 	struct wacom *wacom = led->wacom;
@@ -2724,7 +2755,7 @@ static int wacom_probe(struct hid_device *hdev,
 	if (features->check_for_hid_type && features->hid_type != hdev->type)
 		return -ENODEV;
 
-	error = kfifo_alloc(&wacom_wac->pen_fifo, WACOM_PKGLEN_MAX, GFP_KERNEL);
+	error = wacom_devm_kfifo_alloc(wacom);
 	if (error)
 		return error;
 
@@ -2786,8 +2817,6 @@ static void wacom_remove(struct hid_device *hdev)
 
 	if (wacom->wacom_wac.features.type != REMOTE)
 		wacom_release_resources(wacom);
-
-	kfifo_free(&wacom_wac->pen_fifo);
 }
 
 #ifdef CONFIG_PM

drivers/i2c/busses/i2c-i801.c

@@ -1449,7 +1449,7 @@ static int i801_add_mux(struct i801_priv *priv)
 
 	/* Register GPIO descriptor lookup table */
 	lookup = devm_kzalloc(dev,
-			      struct_size(lookup, table, mux_config->n_gpios),
+			      struct_size(lookup, table, mux_config->n_gpios + 1),
 			      GFP_KERNEL);
 	if (!lookup)
 		return -ENOMEM;

drivers/i2c/busses/i2c-mt65xx.c

@@ -38,6 +38,7 @@
 #define I2C_IO_CONFIG_OPEN_DRAIN	0x0003
 #define I2C_IO_CONFIG_PUSH_PULL		0x0000
 #define I2C_SOFT_RST			0x0001
+#define I2C_HANDSHAKE_RST		0x0020
 #define I2C_FIFO_ADDR_CLR		0x0001
 #define I2C_DELAY_LEN			0x0002
 #define I2C_TIME_CLR_VALUE		0x0000
@@ -45,6 +46,7 @@
 #define I2C_WRRD_TRANAC_VALUE		0x0002
 #define I2C_RD_TRANAC_VALUE		0x0001
 #define I2C_SCL_MIS_COMP_VALUE		0x0000
+#define I2C_CHN_CLR_FLAG		0x0000
 
 #define I2C_DMA_CON_TX			0x0000
 #define I2C_DMA_CON_RX			0x0001
@@ -54,7 +56,9 @@
 #define I2C_DMA_START_EN		0x0001
 #define I2C_DMA_INT_FLAG_NONE		0x0000
 #define I2C_DMA_CLR_FLAG		0x0000
+#define I2C_DMA_WARM_RST		0x0001
 #define I2C_DMA_HARD_RST		0x0002
+#define I2C_DMA_HANDSHAKE_RST		0x0004
 
 #define MAX_SAMPLE_CNT_DIV		8
 #define MAX_STEP_CNT_DIV		64
@@ -475,11 +479,24 @@ static void mtk_i2c_init_hw(struct mtk_i2c *i2c)
 {
 	u16 control_reg;
 
-	writel(I2C_DMA_HARD_RST, i2c->pdmabase + OFFSET_RST);
+	if (i2c->dev_comp->dma_sync) {
-	udelay(50);
+		writel(I2C_DMA_WARM_RST, i2c->pdmabase + OFFSET_RST);
-	writel(I2C_DMA_CLR_FLAG, i2c->pdmabase + OFFSET_RST);
+		udelay(10);
-
+		writel(I2C_DMA_CLR_FLAG, i2c->pdmabase + OFFSET_RST);
-	mtk_i2c_writew(i2c, I2C_SOFT_RST, OFFSET_SOFTRESET);
+		udelay(10);
+		writel(I2C_DMA_HANDSHAKE_RST | I2C_DMA_HARD_RST,
+		       i2c->pdmabase + OFFSET_RST);
+		mtk_i2c_writew(i2c, I2C_HANDSHAKE_RST | I2C_SOFT_RST,
+			       OFFSET_SOFTRESET);
+		udelay(10);
+		writel(I2C_DMA_CLR_FLAG, i2c->pdmabase + OFFSET_RST);
+		mtk_i2c_writew(i2c, I2C_CHN_CLR_FLAG, OFFSET_SOFTRESET);
+	} else {
+		writel(I2C_DMA_HARD_RST, i2c->pdmabase + OFFSET_RST);
+		udelay(50);
+		writel(I2C_DMA_CLR_FLAG, i2c->pdmabase + OFFSET_RST);
+		mtk_i2c_writew(i2c, I2C_SOFT_RST, OFFSET_SOFTRESET);
+	}
 
 	/* Set ioconfig */
 	if (i2c->use_push_pull)

drivers/i2c/busses/i2c-sprd.c

@@ -72,6 +72,8 @@
 
 /* timeout (ms) for pm runtime autosuspend */
 #define SPRD_I2C_PM_TIMEOUT	1000
+/* timeout (ms) for transfer message */
+#define I2C_XFER_TIMEOUT	1000
 
 /* SPRD i2c data structure */
 struct sprd_i2c {
@@ -244,6 +246,7 @@ static int sprd_i2c_handle_msg(struct i2c_adapter *i2c_adap,
 			       struct i2c_msg *msg, bool is_last_msg)
 {
 	struct sprd_i2c *i2c_dev = i2c_adap->algo_data;
+	unsigned long time_left;
 
 	i2c_dev->msg = msg;
 	i2c_dev->buf = msg->buf;
@@ -273,7 +276,10 @@ static int sprd_i2c_handle_msg(struct i2c_adapter *i2c_adap,
 
 	sprd_i2c_opt_start(i2c_dev);
 
-	wait_for_completion(&i2c_dev->complete);
+	time_left = wait_for_completion_timeout(&i2c_dev->complete,
+				msecs_to_jiffies(I2C_XFER_TIMEOUT));
+	if (!time_left)
+		return -ETIMEDOUT;
 
 	return i2c_dev->err;
 }

drivers/infiniband/hw/hns/hns_roce_ah.c

@@ -36,9 +36,6 @@
 #include <rdma/ib_cache.h>
 #include "hns_roce_device.h"
 
-#define VLAN_SL_MASK 7
-#define VLAN_SL_SHIFT 13
-
 static inline u16 get_ah_udp_sport(const struct rdma_ah_attr *ah_attr)
 {
 	u32 fl = ah_attr->grh.flow_label;
@@ -81,18 +78,12 @@ int hns_roce_create_ah(struct ib_ah *ibah, struct rdma_ah_init_attr *init_attr,
 
 	/* HIP08 needs to record vlan info in Address Vector */
 	if (hr_dev->pci_dev->revision <= PCI_REVISION_ID_HIP08) {
-		ah->av.vlan_en = 0;
-
 		ret = rdma_read_gid_l2_fields(ah_attr->grh.sgid_attr,
 					      &ah->av.vlan_id, NULL);
 		if (ret)
 			return ret;
 
-		if (ah->av.vlan_id < VLAN_N_VID) {
+		ah->av.vlan_en = ah->av.vlan_id < VLAN_N_VID;
-			ah->av.vlan_en = 1;
-			ah->av.vlan_id |= (rdma_ah_get_sl(ah_attr) & VLAN_SL_MASK) <<
-					  VLAN_SL_SHIFT;
-		}
 	}
 
 	return ret;

drivers/interconnect/imx/imx.c

@@ -99,6 +99,7 @@ static int imx_icc_node_init_qos(struct icc_provider *provider,
 		if (!dn || !of_device_is_available(dn)) {
 			dev_warn(dev, "Missing property %s, skip scaling %s\n",
 				 adj->phandle_name, node->name);
+			of_node_put(dn);
 			return 0;
 		}
 

drivers/interconnect/qcom/Kconfig

@@ -54,13 +54,23 @@ config INTERCONNECT_QCOM_QCS404
 	  This is a driver for the Qualcomm Network-on-Chip on qcs404-based
 	  platforms.
 
+config INTERCONNECT_QCOM_RPMH_POSSIBLE
+	tristate
+	default INTERCONNECT_QCOM
+	depends on QCOM_RPMH || (COMPILE_TEST && !QCOM_RPMH)
+	depends on QCOM_COMMAND_DB || (COMPILE_TEST && !QCOM_COMMAND_DB)
+	depends on OF || COMPILE_TEST
+	help
+	  Compile-testing RPMH drivers is possible on other platforms,
+	  but in order to avoid link failures, drivers must not be built-in
+	  when QCOM_RPMH or QCOM_COMMAND_DB are loadable modules
+
 config INTERCONNECT_QCOM_RPMH
 	tristate
 
 config INTERCONNECT_QCOM_SC7180
 	tristate "Qualcomm SC7180 interconnect driver"
-	depends on INTERCONNECT_QCOM
+	depends on INTERCONNECT_QCOM_RPMH_POSSIBLE
-	depends on (QCOM_RPMH && QCOM_COMMAND_DB && OF) || COMPILE_TEST
 	select INTERCONNECT_QCOM_RPMH
 	select INTERCONNECT_QCOM_BCM_VOTER
 	help
@@ -69,8 +79,7 @@ config INTERCONNECT_QCOM_SC7180
 
 config INTERCONNECT_QCOM_SDM845
 	tristate "Qualcomm SDM845 interconnect driver"
-	depends on INTERCONNECT_QCOM
+	depends on INTERCONNECT_QCOM_RPMH_POSSIBLE
-	depends on (QCOM_RPMH && QCOM_COMMAND_DB && OF) || COMPILE_TEST
 	select INTERCONNECT_QCOM_RPMH
 	select INTERCONNECT_QCOM_BCM_VOTER
 	help
@@ -125,8 +134,7 @@ config INTERCONNECT_QCOM_WAIPIO
 
 config INTERCONNECT_QCOM_SM8150
 	tristate "Qualcomm SM8150 interconnect driver"
-	depends on INTERCONNECT_QCOM
+	depends on INTERCONNECT_QCOM_RPMH_POSSIBLE
-	depends on (QCOM_RPMH && QCOM_COMMAND_DB && OF) || COMPILE_TEST
 	select INTERCONNECT_QCOM_RPMH
 	select INTERCONNECT_QCOM_BCM_VOTER
 	help
@@ -135,8 +143,7 @@ config INTERCONNECT_QCOM_SM8150
 
 config INTERCONNECT_QCOM_SM8250
 	tristate "Qualcomm SM8250 interconnect driver"
-	depends on INTERCONNECT_QCOM
+	depends on INTERCONNECT_QCOM_RPMH_POSSIBLE
-	depends on (QCOM_RPMH && QCOM_COMMAND_DB && OF) || COMPILE_TEST
 	select INTERCONNECT_QCOM_RPMH
 	select INTERCONNECT_QCOM_BCM_VOTER
 	help

drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c

@@ -229,6 +229,8 @@ static int qcom_smmu_cfg_probe(struct arm_smmu_device *smmu)
 
 		set_bit(qsmmu->bypass_cbndx, smmu->context_map);
 
+		arm_smmu_cb_write(smmu, qsmmu->bypass_cbndx, ARM_SMMU_CB_SCTLR, 0);
+
 		reg = FIELD_PREP(ARM_SMMU_CBAR_TYPE, CBAR_TYPE_S1_TRANS_S2_BYPASS);
 		arm_smmu_gr1_write(smmu, ARM_SMMU_GR1_CBAR(qsmmu->bypass_cbndx), reg);
 	}

drivers/iommu/intel/dmar.c

@@ -1461,8 +1461,8 @@ void qi_flush_piotlb(struct intel_iommu *iommu, u16 did, u32 pasid, u64 addr,
 		int mask = ilog2(__roundup_pow_of_two(npages));
 		unsigned long align = (1ULL << (VTD_PAGE_SHIFT + mask));
 
-		if (WARN_ON_ONCE(!ALIGN(addr, align)))
+		if (WARN_ON_ONCE(!IS_ALIGNED(addr, align)))
-			addr &= ~(align - 1);
+			addr = ALIGN_DOWN(addr, align);
 
 		desc.qw0 = QI_EIOTLB_PASID(pasid) |
 				QI_EIOTLB_DID(did) |

drivers/iommu/intel/irq_remapping.c

@@ -1390,6 +1390,8 @@ static int intel_irq_remapping_alloc(struct irq_domain *domain,
 		irq_data = irq_domain_get_irq_data(domain, virq + i);
 		irq_cfg = irqd_cfg(irq_data);
 		if (!irq_data || !irq_cfg) {
+			if (!i)
+				kfree(data);
 			ret = -EINVAL;
 			goto out_free_data;
 		}

drivers/lightnvm/Kconfig

@@ -19,6 +19,7 @@ if NVM
 
 config NVM_PBLK
 	tristate "Physical Block Device Open-Channel SSD target"
+	select CRC32
 	help
 	  Allows an open-channel SSD to be exposed as a block device to the
 	  host. The target assumes the device exposes raw flash and must be

drivers/md/bcache/super.c

@@ -1341,6 +1341,12 @@ int bch_cached_dev_attach(struct cached_dev *dc, struct cache_set *c,
 	bcache_device_link(&dc->disk, c, "bdev");
 	atomic_inc(&c->attached_dev_nr);
 
+	if (bch_has_feature_obso_large_bucket(&(c->cache->sb))) {
+		pr_err("The obsoleted large bucket layout is unsupported, set the bcache device into read-only\n");
+		pr_err("Please update to the latest bcache-tools to create the cache device\n");
+		set_disk_ro(dc->disk.disk, 1);
+	}
+
 	/* Allow the writeback thread to proceed */
 	up_write(&dc->writeback_lock);
 
@@ -1564,6 +1570,12 @@ static int flash_dev_run(struct cache_set *c, struct uuid_entry *u)
 
 	bcache_device_link(d, c, "volume");
 
+	if (bch_has_feature_obso_large_bucket(&c->cache->sb)) {
+		pr_err("The obsoleted large bucket layout is unsupported, set the bcache device into read-only\n");
+		pr_err("Please update to the latest bcache-tools to create the cache device\n");
+		set_disk_ro(d->disk, 1);
+	}
+
 	return 0;
 err:
 	kobject_put(&d->kobj);
@@ -2123,6 +2135,9 @@ static int run_cache_set(struct cache_set *c)
 	c->cache->sb.last_mount = (u32)ktime_get_real_seconds();
 	bcache_write_super(c);
 
+	if (bch_has_feature_obso_large_bucket(&c->cache->sb))
+		pr_err("Detect obsoleted large bucket layout, all attached bcache device will be read-only\n");
+
 	list_for_each_entry_safe(dc, t, &uncached_devices, list)
 		bch_cached_dev_attach(dc, c, NULL);
 

drivers/misc/lkdtm/usercopy.c

@@ -314,7 +314,7 @@ void lkdtm_USERCOPY_KERNEL(void)
 
 	pr_info("attempting bad copy_to_user from kernel text: %px\n",
 		vm_mmap);
-	if (copy_to_user((void __user *)user_addr, vm_mmap,
+	if (copy_to_user((void __user *)user_addr, __va_function(vm_mmap),
 			 unconst + PAGE_SIZE)) {
 		pr_warn("copy_to_user failed, but lacked Oops\n");
 		goto free_user;

drivers/net/bareudp.c

@@ -645,11 +645,20 @@ static int bareudp_link_config(struct net_device *dev,
 	return 0;
 }
 
+static void bareudp_dellink(struct net_device *dev, struct list_head *head)
+{
+	struct bareudp_dev *bareudp = netdev_priv(dev);
+
+	list_del(&bareudp->next);
+	unregister_netdevice_queue(dev, head);
+}
+
 static int bareudp_newlink(struct net *net, struct net_device *dev,
 			   struct nlattr *tb[], struct nlattr *data[],
 			   struct netlink_ext_ack *extack)
 {
 	struct bareudp_conf conf;
+	LIST_HEAD(list_kill);
 	int err;
 
 	err = bareudp2info(data, &conf, extack);
@@ -662,17 +671,14 @@ static int bareudp_newlink(struct net *net, struct net_device *dev,
 
 	err = bareudp_link_config(dev, tb);
 	if (err)
-		return err;
+		goto err_unconfig;
 
 	return 0;
-}
 
-static void bareudp_dellink(struct net_device *dev, struct list_head *head)
+err_unconfig:
-{
+	bareudp_dellink(dev, &list_kill);
-	struct bareudp_dev *bareudp = netdev_priv(dev);
+	unregister_netdevice_many(&list_kill);
-
+	return err;
-	list_del(&bareudp->next);
-	unregister_netdevice_queue(dev, head);
 }
 
 static size_t bareudp_get_size(const struct net_device *dev)

drivers/net/can/Kconfig

@@ -123,6 +123,7 @@ config CAN_JANZ_ICAN3
 config CAN_KVASER_PCIEFD
 	depends on PCI
 	tristate "Kvaser PCIe FD cards"
+	select CRC32
 	  help
 	  This is a driver for the Kvaser PCI Express CAN FD family.
 

drivers/net/can/m_can/m_can.c

@@ -1914,8 +1914,6 @@ EXPORT_SYMBOL_GPL(m_can_class_resume);
 void m_can_class_unregister(struct m_can_classdev *m_can_dev)
 {
 	unregister_candev(m_can_dev->net);
-
-	m_can_clk_stop(m_can_dev);
 }
 EXPORT_SYMBOL_GPL(m_can_class_unregister);
 

drivers/net/can/m_can/tcan4x5x.c

@@ -129,30 +129,6 @@ struct tcan4x5x_priv {
 	int reg_offset;
 };
 
-static struct can_bittiming_const tcan4x5x_bittiming_const = {
-	.name = DEVICE_NAME,
-	.tseg1_min = 2,
-	.tseg1_max = 31,
-	.tseg2_min = 2,
-	.tseg2_max = 16,
-	.sjw_max = 16,
-	.brp_min = 1,
-	.brp_max = 32,
-	.brp_inc = 1,
-};
-
-static struct can_bittiming_const tcan4x5x_data_bittiming_const = {
-	.name = DEVICE_NAME,
-	.tseg1_min = 1,
-	.tseg1_max = 32,
-	.tseg2_min = 1,
-	.tseg2_max = 16,
-	.sjw_max = 16,
-	.brp_min = 1,
-	.brp_max = 32,
-	.brp_inc = 1,
-};
-
 static void tcan4x5x_check_wake(struct tcan4x5x_priv *priv)
 {
 	int wake_state = 0;
@@ -479,8 +455,6 @@ static int tcan4x5x_can_probe(struct spi_device *spi)
 	mcan_class->dev = &spi->dev;
 	mcan_class->ops = &tcan4x5x_ops;
 	mcan_class->is_peripheral = true;
-	mcan_class->bit_timing = &tcan4x5x_bittiming_const;
-	mcan_class->data_timing = &tcan4x5x_data_bittiming_const;
 	mcan_class->net->irq = spi->irq;
 
 	spi_set_drvdata(spi, priv);

drivers/net/dsa/lantiq_gswip.c

@@ -1436,11 +1436,12 @@ static void gswip_phylink_validate(struct dsa_switch *ds, int port,
 	phylink_set(mask, Pause);
 	phylink_set(mask, Asym_Pause);
 
-	/* With the exclusion of MII and Reverse MII, we support Gigabit,
+	/* With the exclusion of MII, Reverse MII and Reduced MII, we
-	 * including Half duplex
+	 * support Gigabit, including Half duplex
 	 */
 	if (state->interface != PHY_INTERFACE_MODE_MII &&
-	    state->interface != PHY_INTERFACE_MODE_REVMII) {
+	    state->interface != PHY_INTERFACE_MODE_REVMII &&
+	    state->interface != PHY_INTERFACE_MODE_RMII) {
 		phylink_set(mask, 1000baseT_Full);
 		phylink_set(mask, 1000baseT_Half);
 	}

drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c

@@ -621,7 +621,7 @@ static void chtls_reset_synq(struct listen_ctx *listen_ctx)
 
 	while (!skb_queue_empty(&listen_ctx->synq)) {
 		struct chtls_sock *csk =
-			container_of((struct synq *)__skb_dequeue
+			container_of((struct synq *)skb_peek
 				(&listen_ctx->synq), struct chtls_sock, synq);
 		struct sock *child = csk->sk;
 
@@ -1109,6 +1109,7 @@ static struct sock *chtls_recv_sock(struct sock *lsk,
 				    const struct cpl_pass_accept_req *req,
 				    struct chtls_dev *cdev)
 {
+	struct adapter *adap = pci_get_drvdata(cdev->pdev);
 	struct neighbour *n = NULL;
 	struct inet_sock *newinet;
 	const struct iphdr *iph;
@@ -1118,9 +1119,10 @@ static struct sock *chtls_recv_sock(struct sock *lsk,
 	struct dst_entry *dst;
 	struct tcp_sock *tp;
 	struct sock *newsk;
+	bool found = false;
 	u16 port_id;
 	int rxq_idx;
-	int step;
+	int step, i;
 
 	iph = (const struct iphdr *)network_hdr;
 	newsk = tcp_create_openreq_child(lsk, oreq, cdev->askb);
@@ -1152,7 +1154,7 @@ static struct sock *chtls_recv_sock(struct sock *lsk,
 		n = dst_neigh_lookup(dst, &ip6h->saddr);
 #endif
 	}
-	if (!n)
+	if (!n || !n->dev)
 		goto free_sk;
 
 	ndev = n->dev;
@@ -1161,6 +1163,13 @@ static struct sock *chtls_recv_sock(struct sock *lsk,
 	if (is_vlan_dev(ndev))
 		ndev = vlan_dev_real_dev(ndev);
 
+	for_each_port(adap, i)
+		if (cdev->ports[i] == ndev)
+			found = true;
+
+	if (!found)
+		goto free_dst;
+
 	port_id = cxgb4_port_idx(ndev);
 
 	csk = chtls_sock_create(cdev);
@@ -1237,6 +1246,7 @@ static struct sock *chtls_recv_sock(struct sock *lsk,
 free_csk:
 	chtls_sock_release(&csk->kref);
 free_dst:
+	neigh_release(n);
 	dst_release(dst);
 free_sk:
 	inet_csk_prepare_forced_close(newsk);
@@ -1386,7 +1396,7 @@ static void chtls_pass_accept_request(struct sock *sk,
 
 	newsk = chtls_recv_sock(sk, oreq, network_hdr, req, cdev);
 	if (!newsk)
-		goto free_oreq;
+		goto reject;
 
 	if (chtls_get_module(newsk))
 		goto reject;
@@ -1402,8 +1412,6 @@ static void chtls_pass_accept_request(struct sock *sk,
 	kfree_skb(skb);
 	return;
 
-free_oreq:
-	chtls_reqsk_free(oreq);
 reject:
 	mk_tid_release(reply_skb, 0, tid);
 	cxgb4_ofld_send(cdev->lldi->ports[0], reply_skb);
@@ -1588,6 +1596,11 @@ static int chtls_pass_establish(struct chtls_dev *cdev, struct sk_buff *skb)
 			sk_wake_async(sk, 0, POLL_OUT);
 
 		data = lookup_stid(cdev->tids, stid);
+		if (!data) {
+			/* listening server close */
+			kfree_skb(skb);
+			goto unlock;
+		}
 		lsk = ((struct listen_ctx *)data)->lsk;
 
 		bh_lock_sock(lsk);
@@ -1996,39 +2009,6 @@ static void t4_defer_reply(struct sk_buff *skb, struct chtls_dev *cdev,
 	spin_unlock_bh(&cdev->deferq.lock);
 }
 
-static void send_abort_rpl(struct sock *sk, struct sk_buff *skb,
-			   struct chtls_dev *cdev, int status, int queue)
-{
-	struct cpl_abort_req_rss *req = cplhdr(skb);
-	struct sk_buff *reply_skb;
-	struct chtls_sock *csk;
-
-	csk = rcu_dereference_sk_user_data(sk);
-
-	reply_skb = alloc_skb(sizeof(struct cpl_abort_rpl),
-			      GFP_KERNEL);
-
-	if (!reply_skb) {
-		req->status = (queue << 1);
-		t4_defer_reply(skb, cdev, send_defer_abort_rpl);
-		return;
-	}
-
-	set_abort_rpl_wr(reply_skb, GET_TID(req), status);
-	kfree_skb(skb);
-
-	set_wr_txq(reply_skb, CPL_PRIORITY_DATA, queue);
-	if (csk_conn_inline(csk)) {
-		struct l2t_entry *e = csk->l2t_entry;
-
-		if (e && sk->sk_state != TCP_SYN_RECV) {
-			cxgb4_l2t_send(csk->egress_dev, reply_skb, e);
-			return;
-		}
-	}
-	cxgb4_ofld_send(cdev->lldi->ports[0], reply_skb);
-}
-
 static void chtls_send_abort_rpl(struct sock *sk, struct sk_buff *skb,
 				 struct chtls_dev *cdev,
 				 int status, int queue)
@@ -2077,9 +2057,9 @@ static void bl_abort_syn_rcv(struct sock *lsk, struct sk_buff *skb)
 	queue = csk->txq_idx;
 
 	skb->sk	= NULL;
+	chtls_send_abort_rpl(child, skb, BLOG_SKB_CB(skb)->cdev,
+			     CPL_ABORT_NO_RST, queue);
 	do_abort_syn_rcv(child, lsk);
-	send_abort_rpl(child, skb, BLOG_SKB_CB(skb)->cdev,
-		       CPL_ABORT_NO_RST, queue);
 }
 
 static int abort_syn_rcv(struct sock *sk, struct sk_buff *skb)
@@ -2109,8 +2089,8 @@ static int abort_syn_rcv(struct sock *sk, struct sk_buff *skb)
 	if (!sock_owned_by_user(psk)) {
 		int queue = csk->txq_idx;
 
+		chtls_send_abort_rpl(sk, skb, cdev, CPL_ABORT_NO_RST, queue);
 		do_abort_syn_rcv(sk, psk);
-		send_abort_rpl(sk, skb, cdev, CPL_ABORT_NO_RST, queue);
 	} else {
 		skb->sk = sk;
 		BLOG_SKB_CB(skb)->backlog_rcv = bl_abort_syn_rcv;
@@ -2128,9 +2108,6 @@ static void chtls_abort_req_rss(struct sock *sk, struct sk_buff *skb)
 	int queue = csk->txq_idx;
 
 	if (is_neg_adv(req->status)) {
-		if (sk->sk_state == TCP_SYN_RECV)
-			chtls_set_tcb_tflag(sk, 0, 0);
-
 		kfree_skb(skb);
 		return;
 	}
@@ -2157,12 +2134,12 @@ static void chtls_abort_req_rss(struct sock *sk, struct sk_buff *skb)
 		if (sk->sk_state == TCP_SYN_RECV && !abort_syn_rcv(sk, skb))
 			return;
 
-		chtls_release_resources(sk);
-		chtls_conn_done(sk);
 	}
 
 	chtls_send_abort_rpl(sk, skb, BLOG_SKB_CB(skb)->cdev,
 			     rst_status, queue);
+	chtls_release_resources(sk);
+	chtls_conn_done(sk);
 }
 
 static void chtls_abort_rpl_rss(struct sock *sk, struct sk_buff *skb)

drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h

@@ -168,7 +168,7 @@ struct hclgevf_mbx_arq_ring {
 #define hclge_mbx_ring_ptr_move_crq(crq) \
 	(crq->next_to_use = (crq->next_to_use + 1) % crq->desc_num)
 #define hclge_mbx_tail_ptr_move_arq(arq) \
-	(arq.tail = (arq.tail + 1) % HCLGE_MBX_MAX_ARQ_MSG_SIZE)
+		(arq.tail = (arq.tail + 1) % HCLGE_MBX_MAX_ARQ_MSG_NUM)
 #define hclge_mbx_head_ptr_move_arq(arq) \
-		(arq.head = (arq.head + 1) % HCLGE_MBX_MAX_ARQ_MSG_SIZE)
+		(arq.head = (arq.head + 1) % HCLGE_MBX_MAX_ARQ_MSG_NUM)
 #endif

drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c

@@ -752,7 +752,8 @@ static int hclge_get_sset_count(struct hnae3_handle *handle, int stringset)
 		handle->flags |= HNAE3_SUPPORT_SERDES_SERIAL_LOOPBACK;
 		handle->flags |= HNAE3_SUPPORT_SERDES_PARALLEL_LOOPBACK;
 
-		if (hdev->hw.mac.phydev) {
+		if (hdev->hw.mac.phydev && hdev->hw.mac.phydev->drv &&
+		    hdev->hw.mac.phydev->drv->set_loopback) {
 			count += 1;
 			handle->flags |= HNAE3_SUPPORT_PHY_LOOPBACK;
 		}
@@ -4484,8 +4485,8 @@ static int hclge_set_rss_tuple(struct hnae3_handle *handle,
 		req->ipv4_sctp_en = tuple_sets;
 		break;
 	case SCTP_V6_FLOW:
-		if ((nfc->data & RXH_L4_B_0_1) ||
+		if (hdev->ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2 &&
-		    (nfc->data & RXH_L4_B_2_3))
+		    (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)))
 			return -EINVAL;
 
 		req->ipv6_sctp_en = tuple_sets;
@@ -4665,6 +4666,8 @@ static void hclge_rss_init_cfg(struct hclge_dev *hdev)
 		vport[i].rss_tuple_sets.ipv6_udp_en =
 			HCLGE_RSS_INPUT_TUPLE_OTHER;
 		vport[i].rss_tuple_sets.ipv6_sctp_en =
+			hdev->ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2 ?
+			HCLGE_RSS_INPUT_TUPLE_SCTP_NO_PORT :
 			HCLGE_RSS_INPUT_TUPLE_SCTP;
 		vport[i].rss_tuple_sets.ipv6_fragment_en =
 			HCLGE_RSS_INPUT_TUPLE_OTHER;

drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h

@@ -105,6 +105,8 @@
 #define HCLGE_D_IP_BIT			BIT(2)
 #define HCLGE_S_IP_BIT			BIT(3)
 #define HCLGE_V_TAG_BIT			BIT(4)
+#define HCLGE_RSS_INPUT_TUPLE_SCTP_NO_PORT	\
+		(HCLGE_D_IP_BIT | HCLGE_S_IP_BIT | HCLGE_V_TAG_BIT)
 
 #define HCLGE_RSS_TC_SIZE_0		1
 #define HCLGE_RSS_TC_SIZE_1		2

drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c

@@ -901,8 +901,8 @@ static int hclgevf_set_rss_tuple(struct hnae3_handle *handle,
 		req->ipv4_sctp_en = tuple_sets;
 		break;
 	case SCTP_V6_FLOW:
-		if ((nfc->data & RXH_L4_B_0_1) ||
+		if (hdev->ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2 &&
-		    (nfc->data & RXH_L4_B_2_3))
+		    (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)))
 			return -EINVAL;
 
 		req->ipv6_sctp_en = tuple_sets;
@@ -2481,7 +2481,10 @@ static void hclgevf_rss_init_cfg(struct hclgevf_dev *hdev)
 		tuple_sets->ipv4_fragment_en = HCLGEVF_RSS_INPUT_TUPLE_OTHER;
 		tuple_sets->ipv6_tcp_en = HCLGEVF_RSS_INPUT_TUPLE_OTHER;
 		tuple_sets->ipv6_udp_en = HCLGEVF_RSS_INPUT_TUPLE_OTHER;
-		tuple_sets->ipv6_sctp_en = HCLGEVF_RSS_INPUT_TUPLE_SCTP;
+		tuple_sets->ipv6_sctp_en =
+			hdev->ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2 ?
+					HCLGEVF_RSS_INPUT_TUPLE_SCTP_NO_PORT :
+					HCLGEVF_RSS_INPUT_TUPLE_SCTP;
 		tuple_sets->ipv6_fragment_en = HCLGEVF_RSS_INPUT_TUPLE_OTHER;
 	}
 

drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h

@@ -122,6 +122,8 @@
 #define HCLGEVF_D_IP_BIT		BIT(2)
 #define HCLGEVF_S_IP_BIT		BIT(3)
 #define HCLGEVF_V_TAG_BIT		BIT(4)
+#define HCLGEVF_RSS_INPUT_TUPLE_SCTP_NO_PORT	\
+	(HCLGEVF_D_IP_BIT | HCLGEVF_S_IP_BIT | HCLGEVF_V_TAG_BIT)
 
 #define HCLGEVF_STATS_TIMER_INTERVAL	36U
 

drivers/net/ethernet/marvell/mvneta.c

@@ -4409,7 +4409,7 @@ static int mvneta_xdp_setup(struct net_device *dev, struct bpf_prog *prog,
 	struct bpf_prog *old_prog;
 
 	if (prog && dev->mtu > MVNETA_MAX_RX_BUF_SIZE) {
-		NL_SET_ERR_MSG_MOD(extack, "Jumbo frames not supported on XDP");
+		NL_SET_ERR_MSG_MOD(extack, "MTU too large for XDP");
 		return -EOPNOTSUPP;
 	}
 

drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c

@@ -5480,7 +5480,7 @@ static int mvpp2_port_init(struct mvpp2_port *port)
 	struct mvpp2 *priv = port->priv;
 	struct mvpp2_txq_pcpu *txq_pcpu;
 	unsigned int thread;
-	int queue, err;
+	int queue, err, val;
 
 	/* Checks for hardware constraints */
 	if (port->first_rxq + port->nrxqs >
@@ -5494,6 +5494,18 @@ static int mvpp2_port_init(struct mvpp2_port *port)
 	mvpp2_egress_disable(port);
 	mvpp2_port_disable(port);
 
+	if (mvpp2_is_xlg(port->phy_interface)) {
+		val = readl(port->base + MVPP22_XLG_CTRL0_REG);
+		val &= ~MVPP22_XLG_CTRL0_FORCE_LINK_PASS;
+		val |= MVPP22_XLG_CTRL0_FORCE_LINK_DOWN;
+		writel(val, port->base + MVPP22_XLG_CTRL0_REG);
+	} else {
+		val = readl(port->base + MVPP2_GMAC_AUTONEG_CONFIG);
+		val &= ~MVPP2_GMAC_FORCE_LINK_PASS;
+		val |= MVPP2_GMAC_FORCE_LINK_DOWN;
+		writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
+	}
+
 	port->tx_time_coal = MVPP2_TXDONE_COAL_USEC;
 
 	port->txqs = devm_kcalloc(dev, port->ntxqs, sizeof(*port->txqs),

drivers/net/ethernet/marvell/octeontx2/af/cgx.c

@@ -862,8 +862,10 @@ static int cgx_lmac_init(struct cgx *cgx)
 		if (!lmac)
 			return -ENOMEM;
 		lmac->name = kcalloc(1, sizeof("cgx_fwi_xxx_yyy"), GFP_KERNEL);
-		if (!lmac->name)
+		if (!lmac->name) {
-			return -ENOMEM;
+			err = -ENOMEM;
+			goto err_lmac_free;
+		}
 		sprintf(lmac->name, "cgx_fwi_%d_%d", cgx->cgx_id, i);
 		lmac->lmac_id = i;
 		lmac->cgx = cgx;
@@ -874,7 +876,7 @@ static int cgx_lmac_init(struct cgx *cgx)
 						 CGX_LMAC_FWI + i * 9),
 				   cgx_fwi_event_handler, 0, lmac->name, lmac);
 		if (err)
-			return err;
+			goto err_irq;
 
 		/* Enable interrupt */
 		cgx_write(cgx, lmac->lmac_id, CGXX_CMRX_INT_ENA_W1S,
@@ -886,6 +888,12 @@ static int cgx_lmac_init(struct cgx *cgx)
 	}
 
 	return cgx_lmac_verify_fwi_version(cgx);
+
+err_irq:
+	kfree(lmac->name);
+err_lmac_free:
+	kfree(lmac);
+	return err;
 }
 
 static int cgx_lmac_exit(struct cgx *cgx)

drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c

@@ -626,6 +626,11 @@ bool mlx5e_rep_tc_update_skb(struct mlx5_cqe64 *cqe,
 	if (!reg_c0)
 		return true;
 
+	/* If reg_c0 is not equal to the default flow tag then skb->mark
+	 * is not supported and must be reset back to 0.
+	 */
+	skb->mark = 0;
+
 	priv = netdev_priv(skb->dev);
 	esw = priv->mdev->priv.eswitch;
 

drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c

@@ -1007,6 +1007,22 @@ static int mlx5e_get_link_ksettings(struct net_device *netdev,
 	return mlx5e_ethtool_get_link_ksettings(priv, link_ksettings);
 }
 
+static int mlx5e_speed_validate(struct net_device *netdev, bool ext,
+				const unsigned long link_modes, u8 autoneg)
+{
+	/* Extended link-mode has no speed limitations. */
+	if (ext)
+		return 0;
+
+	if ((link_modes & MLX5E_PROT_MASK(MLX5E_56GBASE_R4)) &&
+	    autoneg != AUTONEG_ENABLE) {
+		netdev_err(netdev, "%s: 56G link speed requires autoneg enabled\n",
+			   __func__);
+		return -EINVAL;
+	}
+	return 0;
+}
+
 static u32 mlx5e_ethtool2ptys_adver_link(const unsigned long *link_modes)
 {
 	u32 i, ptys_modes = 0;
@@ -1100,13 +1116,9 @@ int mlx5e_ethtool_set_link_ksettings(struct mlx5e_priv *priv,
 	link_modes = autoneg == AUTONEG_ENABLE ? ethtool2ptys_adver_func(adver) :
 		mlx5e_port_speed2linkmodes(mdev, speed, !ext);
 
-	if ((link_modes & MLX5E_PROT_MASK(MLX5E_56GBASE_R4)) &&
+	err = mlx5e_speed_validate(priv->netdev, ext, link_modes, autoneg);
-	    autoneg != AUTONEG_ENABLE) {
+	if (err)
-		netdev_err(priv->netdev, "%s: 56G link speed requires autoneg enabled\n",
-			   __func__);
-		err = -EINVAL;
 		goto out;
-	}
 
 	link_modes = link_modes & eproto.cap;
 	if (!link_modes) {

drivers/net/ethernet/mellanox/mlx5/core/en_fs.c

@@ -936,6 +936,7 @@ static int mlx5e_create_ttc_table_groups(struct mlx5e_ttc_table *ttc,
 	in = kvzalloc(inlen, GFP_KERNEL);
 	if (!in) {
 		kfree(ft->g);
+		ft->g = NULL;
 		return -ENOMEM;
 	}
 
@@ -1081,6 +1082,7 @@ static int mlx5e_create_inner_ttc_table_groups(struct mlx5e_ttc_table *ttc)
 	in = kvzalloc(inlen, GFP_KERNEL);
 	if (!in) {
 		kfree(ft->g);
+		ft->g = NULL;
 		return -ENOMEM;
 	}
 
@@ -1384,6 +1386,7 @@ static int mlx5e_create_l2_table_groups(struct mlx5e_l2_table *l2_table)
 	ft->g[ft->num_groups] = NULL;
 	mlx5e_destroy_groups(ft);
 	kvfree(in);
+	kfree(ft->g);
 
 	return err;
 }

drivers/net/ethernet/mellanox/mlx5/core/lag.c

@@ -556,7 +556,9 @@ void mlx5_lag_add(struct mlx5_core_dev *dev, struct net_device *netdev)
 	struct mlx5_core_dev *tmp_dev;
 	int i, err;
 
-	if (!MLX5_CAP_GEN(dev, vport_group_manager))
+	if (!MLX5_CAP_GEN(dev, vport_group_manager) ||
+	    !MLX5_CAP_GEN(dev, lag_master) ||
+	    MLX5_CAP_GEN(dev, num_lag_ports) != MLX5_MAX_PORTS)
 		return;
 
 	tmp_dev = mlx5_get_next_phys_dev(dev);
@@ -574,12 +576,9 @@ void mlx5_lag_add(struct mlx5_core_dev *dev, struct net_device *netdev)
 	if (mlx5_lag_dev_add_pf(ldev, dev, netdev) < 0)
 		return;
 
-	for (i = 0; i < MLX5_MAX_PORTS; i++) {
+	for (i = 0; i < MLX5_MAX_PORTS; i++)
-		tmp_dev = ldev->pf[i].dev;
+		if (!ldev->pf[i].dev)
-		if (!tmp_dev || !MLX5_CAP_GEN(tmp_dev, lag_master) ||
-		    MLX5_CAP_GEN(tmp_dev, num_lag_ports) != MLX5_MAX_PORTS)
 			break;
-	}
 
 	if (i >= MLX5_MAX_PORTS)
 		ldev->flags |= MLX5_LAG_FLAG_READY;

drivers/net/ethernet/mellanox/mlx5/core/rdma.c

@@ -116,7 +116,7 @@ static int mlx5_rdma_enable_roce_steering(struct mlx5_core_dev *dev)
 static void mlx5_rdma_del_roce_addr(struct mlx5_core_dev *dev)
 {
 	mlx5_core_roce_gid_set(dev, 0, 0, 0,
-			       NULL, NULL, false, 0, 0);
+			       NULL, NULL, false, 0, 1);
 }
 
 static void mlx5_rdma_make_default_gid(struct mlx5_core_dev *dev, union ib_gid *gid)

drivers/net/ethernet/natsemi/macsonic.c

@@ -506,10 +506,14 @@ static int mac_sonic_platform_probe(struct platform_device *pdev)
 
 	err = register_netdev(dev);
 	if (err)
-		goto out;
+		goto undo_probe;
 
 	return 0;
 
+undo_probe:
+	dma_free_coherent(lp->device,
+			  SIZEOF_SONIC_DESC * SONIC_BUS_SCALE(lp->dma_bitmode),
+			  lp->descriptors, lp->descriptors_laddr);
 out:
 	free_netdev(dev);
 
@@ -584,12 +588,16 @@ static int mac_sonic_nubus_probe(struct nubus_board *board)
 
 	err = register_netdev(ndev);
 	if (err)
-		goto out;
+		goto undo_probe;
 
 	nubus_set_drvdata(board, ndev);
 
 	return 0;
 
+undo_probe:
+	dma_free_coherent(lp->device,
+			  SIZEOF_SONIC_DESC * SONIC_BUS_SCALE(lp->dma_bitmode),
+			  lp->descriptors, lp->descriptors_laddr);
 out:
 	free_netdev(ndev);
 	return err;

drivers/net/ethernet/natsemi/xtsonic.c

@@ -229,11 +229,14 @@ int xtsonic_probe(struct platform_device *pdev)
 	sonic_msg_init(dev);
 
 	if ((err = register_netdev(dev)))
-		goto out1;
+		goto undo_probe1;
 
 	return 0;
 
-out1:
+undo_probe1:
+	dma_free_coherent(lp->device,
+			  SIZEOF_SONIC_DESC * SONIC_BUS_SCALE(lp->dma_bitmode),
+			  lp->descriptors, lp->descriptors_laddr);
 	release_region(dev->base_addr, SONIC_MEM_SIZE);
 out:
 	free_netdev(dev);

drivers/net/ethernet/pensando/ionic/ionic_lif.c

@@ -123,6 +123,12 @@ static void ionic_link_status_check(struct ionic_lif *lif)
 	link_up = link_status == IONIC_PORT_OPER_STATUS_UP;
 
 	if (link_up) {
+		if (lif->netdev->flags & IFF_UP && netif_running(lif->netdev)) {
+			mutex_lock(&lif->queue_lock);
+			ionic_start_queues(lif);
+			mutex_unlock(&lif->queue_lock);
+		}
+
 		if (!netif_carrier_ok(netdev)) {
 			u32 link_speed;
 
@@ -132,12 +138,6 @@ static void ionic_link_status_check(struct ionic_lif *lif)
 				    link_speed / 1000);
 			netif_carrier_on(netdev);
 		}
-
-		if (lif->netdev->flags & IFF_UP && netif_running(lif->netdev)) {
-			mutex_lock(&lif->queue_lock);
-			ionic_start_queues(lif);
-			mutex_unlock(&lif->queue_lock);
-		}
 	} else {
 		if (netif_carrier_ok(netdev)) {
 			netdev_info(netdev, "Link down\n");

drivers/net/ethernet/qlogic/Kconfig

@@ -78,6 +78,7 @@ config QED
 	depends on PCI
 	select ZLIB_INFLATE
 	select CRC8
+	select CRC32
 	select NET_DEVLINK
 	help
 	  This enables the support for Marvell FastLinQ adapters family.

drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c

@@ -64,6 +64,7 @@ struct emac_variant {
  * @variant:	reference to the current board variant
  * @regmap:	regmap for using the syscon
  * @internal_phy_powered: Does the internal PHY is enabled
+ * @use_internal_phy: Is the internal PHY selected for use
  * @mux_handle:	Internal pointer used by mdio-mux lib
  */
 struct sunxi_priv_data {
@@ -74,6 +75,7 @@ struct sunxi_priv_data {
 	const struct emac_variant *variant;
 	struct regmap_field *regmap_field;
 	bool internal_phy_powered;
+	bool use_internal_phy;
 	void *mux_handle;
 };
 
@@ -539,8 +541,11 @@ static const struct stmmac_dma_ops sun8i_dwmac_dma_ops = {
 	.dma_interrupt = sun8i_dwmac_dma_interrupt,
 };
 
+static int sun8i_dwmac_power_internal_phy(struct stmmac_priv *priv);
+
 static int sun8i_dwmac_init(struct platform_device *pdev, void *priv)
 {
+	struct net_device *ndev = platform_get_drvdata(pdev);
 	struct sunxi_priv_data *gmac = priv;
 	int ret;
 
@@ -554,13 +559,25 @@ static int sun8i_dwmac_init(struct platform_device *pdev, void *priv)
 
 	ret = clk_prepare_enable(gmac->tx_clk);
 	if (ret) {
-		if (gmac->regulator)
-			regulator_disable(gmac->regulator);
 		dev_err(&pdev->dev, "Could not enable AHB clock\n");
-		return ret;
+		goto err_disable_regulator;
+	}
+
+	if (gmac->use_internal_phy) {
+		ret = sun8i_dwmac_power_internal_phy(netdev_priv(ndev));
+		if (ret)
+			goto err_disable_clk;
 	}
 
 	return 0;
+
+err_disable_clk:
+	clk_disable_unprepare(gmac->tx_clk);
+err_disable_regulator:
+	if (gmac->regulator)
+		regulator_disable(gmac->regulator);
+
+	return ret;
 }
 
 static void sun8i_dwmac_core_init(struct mac_device_info *hw,
@@ -831,7 +848,6 @@ static int mdio_mux_syscon_switch_fn(int current_child, int desired_child,
 	struct sunxi_priv_data *gmac = priv->plat->bsp_priv;
 	u32 reg, val;
 	int ret = 0;
-	bool need_power_ephy = false;
 
 	if (current_child ^ desired_child) {
 		regmap_field_read(gmac->regmap_field, &reg);
@@ -839,13 +855,12 @@ static int mdio_mux_syscon_switch_fn(int current_child, int desired_child,
 		case DWMAC_SUN8I_MDIO_MUX_INTERNAL_ID:
 			dev_info(priv->device, "Switch mux to internal PHY");
 			val = (reg & ~H3_EPHY_MUX_MASK) | H3_EPHY_SELECT;
-
+			gmac->use_internal_phy = true;
-			need_power_ephy = true;
 			break;
 		case DWMAC_SUN8I_MDIO_MUX_EXTERNAL_ID:
 			dev_info(priv->device, "Switch mux to external PHY");
 			val = (reg & ~H3_EPHY_MUX_MASK) | H3_EPHY_SHUTDOWN;
-			need_power_ephy = false;
+			gmac->use_internal_phy = false;
 			break;
 		default:
 			dev_err(priv->device, "Invalid child ID %x\n",
@@ -853,7 +868,7 @@ static int mdio_mux_syscon_switch_fn(int current_child, int desired_child,
 			return -EINVAL;
 		}
 		regmap_field_write(gmac->regmap_field, val);
-		if (need_power_ephy) {
+		if (gmac->use_internal_phy) {
 			ret = sun8i_dwmac_power_internal_phy(priv);
 			if (ret)
 				return ret;
@@ -883,22 +898,23 @@ static int sun8i_dwmac_register_mdio_mux(struct stmmac_priv *priv)
 	return ret;
 }
 
-static int sun8i_dwmac_set_syscon(struct stmmac_priv *priv)
+static int sun8i_dwmac_set_syscon(struct device *dev,
+				  struct plat_stmmacenet_data *plat)
 {
-	struct sunxi_priv_data *gmac = priv->plat->bsp_priv;
+	struct sunxi_priv_data *gmac = plat->bsp_priv;
-	struct device_node *node = priv->device->of_node;
+	struct device_node *node = dev->of_node;
 	int ret;
 	u32 reg, val;
 
 	ret = regmap_field_read(gmac->regmap_field, &val);
 	if (ret) {
-		dev_err(priv->device, "Fail to read from regmap field.\n");
+		dev_err(dev, "Fail to read from regmap field.\n");
 		return ret;
 	}
 
 	reg = gmac->variant->default_syscon_value;
 	if (reg != val)
-		dev_warn(priv->device,
+		dev_warn(dev,
 			 "Current syscon value is not the default %x (expect %x)\n",
 			 val, reg);
 
@@ -911,9 +927,9 @@ static int sun8i_dwmac_set_syscon(struct stmmac_priv *priv)
 		/* Force EPHY xtal frequency to 24MHz. */
 		reg |= H3_EPHY_CLK_SEL;
 
-		ret = of_mdio_parse_addr(priv->device, priv->plat->phy_node);
+		ret = of_mdio_parse_addr(dev, plat->phy_node);
 		if (ret < 0) {
-			dev_err(priv->device, "Could not parse MDIO addr\n");
+			dev_err(dev, "Could not parse MDIO addr\n");
 			return ret;
 		}
 		/* of_mdio_parse_addr returns a valid (0 ~ 31) PHY
@@ -929,17 +945,17 @@ static int sun8i_dwmac_set_syscon(struct stmmac_priv *priv)
 
 	if (!of_property_read_u32(node, "allwinner,tx-delay-ps", &val)) {
 		if (val % 100) {
-			dev_err(priv->device, "tx-delay must be a multiple of 100\n");
+			dev_err(dev, "tx-delay must be a multiple of 100\n");
 			return -EINVAL;
 		}
 		val /= 100;
-		dev_dbg(priv->device, "set tx-delay to %x\n", val);
+		dev_dbg(dev, "set tx-delay to %x\n", val);
 		if (val <= gmac->variant->tx_delay_max) {
 			reg &= ~(gmac->variant->tx_delay_max <<
 				 SYSCON_ETXDC_SHIFT);
 			reg |= (val << SYSCON_ETXDC_SHIFT);
 		} else {
-			dev_err(priv->device, "Invalid TX clock delay: %d\n",
+			dev_err(dev, "Invalid TX clock delay: %d\n",
 				val);
 			return -EINVAL;
 		}
@@ -947,17 +963,17 @@ static int sun8i_dwmac_set_syscon(struct stmmac_priv *priv)
 
 	if (!of_property_read_u32(node, "allwinner,rx-delay-ps", &val)) {
 		if (val % 100) {
-			dev_err(priv->device, "rx-delay must be a multiple of 100\n");
+			dev_err(dev, "rx-delay must be a multiple of 100\n");
 			return -EINVAL;
 		}
 		val /= 100;
-		dev_dbg(priv->device, "set rx-delay to %x\n", val);
+		dev_dbg(dev, "set rx-delay to %x\n", val);
 		if (val <= gmac->variant->rx_delay_max) {
 			reg &= ~(gmac->variant->rx_delay_max <<
 				 SYSCON_ERXDC_SHIFT);
 			reg |= (val << SYSCON_ERXDC_SHIFT);
 		} else {
-			dev_err(priv->device, "Invalid RX clock delay: %d\n",
+			dev_err(dev, "Invalid RX clock delay: %d\n",
 				val);
 			return -EINVAL;
 		}
@@ -968,7 +984,7 @@ static int sun8i_dwmac_set_syscon(struct stmmac_priv *priv)
 	if (gmac->variant->support_rmii)
 		reg &= ~SYSCON_RMII_EN;
 
-	switch (priv->plat->interface) {
+	switch (plat->interface) {
 	case PHY_INTERFACE_MODE_MII:
 		/* default */
 		break;
@@ -982,8 +998,8 @@ static int sun8i_dwmac_set_syscon(struct stmmac_priv *priv)
 		reg |= SYSCON_RMII_EN | SYSCON_ETCS_EXT_GMII;
 		break;
 	default:
-		dev_err(priv->device, "Unsupported interface mode: %s",
+		dev_err(dev, "Unsupported interface mode: %s",
-			phy_modes(priv->plat->interface));
+			phy_modes(plat->interface));
 		return -EINVAL;
 	}
 
@@ -1004,17 +1020,10 @@ static void sun8i_dwmac_exit(struct platform_device *pdev, void *priv)
 	struct sunxi_priv_data *gmac = priv;
 
 	if (gmac->variant->soc_has_internal_phy) {
-		/* sun8i_dwmac_exit could be called with mdiomux uninit */
-		if (gmac->mux_handle)
-			mdio_mux_uninit(gmac->mux_handle);
 		if (gmac->internal_phy_powered)
 			sun8i_dwmac_unpower_internal_phy(gmac);
 	}
 
-	sun8i_dwmac_unset_syscon(gmac);
-
-	reset_control_put(gmac->rst_ephy);
-
 	clk_disable_unprepare(gmac->tx_clk);
 
 	if (gmac->regulator)
@@ -1049,16 +1058,11 @@ static struct mac_device_info *sun8i_dwmac_setup(void *ppriv)
 {
 	struct mac_device_info *mac;
 	struct stmmac_priv *priv = ppriv;
-	int ret;
 
 	mac = devm_kzalloc(priv->device, sizeof(*mac), GFP_KERNEL);
 	if (!mac)
 		return NULL;
 
-	ret = sun8i_dwmac_set_syscon(priv);
-	if (ret)
-		return NULL;
-
 	mac->pcsr = priv->ioaddr;
 	mac->mac = &sun8i_dwmac_ops;
 	mac->dma = &sun8i_dwmac_dma_ops;
@@ -1134,10 +1138,6 @@ static int sun8i_dwmac_probe(struct platform_device *pdev)
 	if (ret)
 		return ret;
 
-	plat_dat = stmmac_probe_config_dt(pdev, &stmmac_res.mac);
-	if (IS_ERR(plat_dat))
-		return PTR_ERR(plat_dat);
-
 	gmac = devm_kzalloc(dev, sizeof(*gmac), GFP_KERNEL);
 	if (!gmac)
 		return -ENOMEM;
@@ -1201,11 +1201,15 @@ static int sun8i_dwmac_probe(struct platform_device *pdev)
 	ret = of_get_phy_mode(dev->of_node, &interface);
 	if (ret)
 		return -EINVAL;
-	plat_dat->interface = interface;
+
+	plat_dat = stmmac_probe_config_dt(pdev, &stmmac_res.mac);
+	if (IS_ERR(plat_dat))
+		return PTR_ERR(plat_dat);
 
 	/* platform data specifying hardware features and callbacks.
 	 * hardware features were copied from Allwinner drivers.
 	 */
+	plat_dat->interface = interface;
 	plat_dat->rx_coe = STMMAC_RX_COE_TYPE2;
 	plat_dat->tx_coe = 1;
 	plat_dat->has_sun8i = true;
@@ -1214,9 +1218,13 @@ static int sun8i_dwmac_probe(struct platform_device *pdev)
 	plat_dat->exit = sun8i_dwmac_exit;
 	plat_dat->setup = sun8i_dwmac_setup;
 
+	ret = sun8i_dwmac_set_syscon(&pdev->dev, plat_dat);
+	if (ret)
+		goto dwmac_deconfig;
+
 	ret = sun8i_dwmac_init(pdev, plat_dat->bsp_priv);
 	if (ret)
-		return ret;
+		goto dwmac_syscon;
 
 	ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
 	if (ret)
@@ -1230,7 +1238,7 @@ static int sun8i_dwmac_probe(struct platform_device *pdev)
 	if (gmac->variant->soc_has_internal_phy) {
 		ret = get_ephy_nodes(priv);
 		if (ret)
-			goto dwmac_exit;
+			goto dwmac_remove;
 		ret = sun8i_dwmac_register_mdio_mux(priv);
 		if (ret) {
 			dev_err(&pdev->dev, "Failed to register mux\n");
@@ -1239,15 +1247,42 @@ static int sun8i_dwmac_probe(struct platform_device *pdev)
 	} else {
 		ret = sun8i_dwmac_reset(priv);
 		if (ret)
-			goto dwmac_exit;
+			goto dwmac_remove;
 	}
 
 	return ret;
 dwmac_mux:
-	sun8i_dwmac_unset_syscon(gmac);
+	reset_control_put(gmac->rst_ephy);
+	clk_put(gmac->ephy_clk);
+dwmac_remove:
+	stmmac_dvr_remove(&pdev->dev);
 dwmac_exit:
+	sun8i_dwmac_exit(pdev, gmac);
+dwmac_syscon:
+	sun8i_dwmac_unset_syscon(gmac);
+dwmac_deconfig:
+	stmmac_remove_config_dt(pdev, plat_dat);
+
+	return ret;
+}
+
+static int sun8i_dwmac_remove(struct platform_device *pdev)
+{
+	struct net_device *ndev = platform_get_drvdata(pdev);
+	struct stmmac_priv *priv = netdev_priv(ndev);
+	struct sunxi_priv_data *gmac = priv->plat->bsp_priv;
+
+	if (gmac->variant->soc_has_internal_phy) {
+		mdio_mux_uninit(gmac->mux_handle);
+		sun8i_dwmac_unpower_internal_phy(gmac);
+		reset_control_put(gmac->rst_ephy);
+		clk_put(gmac->ephy_clk);
+	}
+
 	stmmac_pltfr_remove(pdev);
-return ret;
+	sun8i_dwmac_unset_syscon(gmac);
+
+	return 0;
 }
 
 static const struct of_device_id sun8i_dwmac_match[] = {
@@ -1269,7 +1304,7 @@ MODULE_DEVICE_TABLE(of, sun8i_dwmac_match);
 
 static struct platform_driver sun8i_dwmac_driver = {
 	.probe  = sun8i_dwmac_probe,
-	.remove = stmmac_pltfr_remove,
+	.remove = sun8i_dwmac_remove,
 	.driver = {
 		.name           = "dwmac-sun8i",
 		.pm		= &stmmac_pltfr_pm_ops,

drivers/net/usb/cdc_ncm.c

@@ -1199,7 +1199,10 @@ cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign)
 	 * accordingly. Otherwise, we should check here.
 	 */
 	if (ctx->drvflags & CDC_NCM_FLAG_NDP_TO_END)
-		delayed_ndp_size = ALIGN(ctx->max_ndp_size, ctx->tx_ndp_modulus);
+		delayed_ndp_size = ctx->max_ndp_size +
+			max_t(u32,
+			      ctx->tx_ndp_modulus,
+			      ctx->tx_modulus + ctx->tx_remainder) - 1;
 	else
 		delayed_ndp_size = 0;
 
@@ -1410,7 +1413,8 @@ cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign)
 	if (!(dev->driver_info->flags & FLAG_SEND_ZLP) &&
 	    skb_out->len > ctx->min_tx_pkt) {
 		padding_count = ctx->tx_curr_size - skb_out->len;
-		skb_put_zero(skb_out, padding_count);
+		if (!WARN_ON(padding_count > ctx->tx_curr_size))
+			skb_put_zero(skb_out, padding_count);
 	} else if (skb_out->len < ctx->tx_curr_size &&
 		   (skb_out->len % dev->maxpacket) == 0) {
 		skb_put_u8(skb_out, 0);	/* force short packet */

drivers/net/wan/Kconfig

@@ -282,6 +282,7 @@ config SLIC_DS26522
 	tristate "Slic Maxim ds26522 card support"
 	depends on SPI
 	depends on FSL_SOC || ARCH_MXC || ARCH_LAYERSCAPE || COMPILE_TEST
+	select BITREVERSE
 	help
 	  This module initializes and configures the slic maxim card
 	  in T1 or E1 mode.

drivers/net/wireless/ath/wil6210/Kconfig

@@ -2,6 +2,7 @@
 config WIL6210
 	tristate "Wilocity 60g WiFi card wil6210 support"
 	select WANT_DEV_COREDUMP
+	select CRC32
 	depends on CFG80211
 	depends on PCI
 	default n

drivers/nvme/host/tcp.c

@@ -262,6 +262,16 @@ static inline void nvme_tcp_advance_req(struct nvme_tcp_request *req,
 	}
 }
 
+static inline void nvme_tcp_send_all(struct nvme_tcp_queue *queue)
+{
+	int ret;
+
+	/* drain the send queue as much as we can... */
+	do {
+		ret = nvme_tcp_try_send(queue);
+	} while (ret > 0);
+}
+
 static inline void nvme_tcp_queue_request(struct nvme_tcp_request *req,
 		bool sync, bool last)
 {
@@ -279,7 +289,7 @@ static inline void nvme_tcp_queue_request(struct nvme_tcp_request *req,
 	if (queue->io_cpu == smp_processor_id() &&
 	    sync && empty && mutex_trylock(&queue->send_mutex)) {
 		queue->more_requests = !last;
-		nvme_tcp_try_send(queue);
+		nvme_tcp_send_all(queue);
 		queue->more_requests = false;
 		mutex_unlock(&queue->send_mutex);
 	} else if (last) {

drivers/ptp/Kconfig

@@ -64,6 +64,7 @@ config DP83640_PHY
 	depends on NETWORK_PHY_TIMESTAMPING
 	depends on PHYLIB
 	depends on PTP_1588_CLOCK
+	select CRC32
 	help
 	  Supports the DP83640 PHYTER with IEEE 1588 features.
 
@@ -78,6 +79,7 @@ config DP83640_PHY
 config PTP_1588_CLOCK_INES
 	tristate "ZHAW InES PTP time stamping IP core"
 	depends on NETWORK_PHY_TIMESTAMPING
+	depends on HAS_IOMEM
 	depends on PHYLIB
 	depends on PTP_1588_CLOCK
 	help

drivers/regulator/qcom-rpmh-regulator.c

@@ -726,7 +726,7 @@ static const struct rpmh_vreg_hw_data pmic5_ftsmps510 = {
 static const struct rpmh_vreg_hw_data pmic5_hfsmps515 = {
 	.regulator_type = VRM,
 	.ops = &rpmh_regulator_vrm_ops,
-	.voltage_range = REGULATOR_LINEAR_RANGE(2800000, 0, 4, 1600),
+	.voltage_range = REGULATOR_LINEAR_RANGE(2800000, 0, 4, 16000),
 	.n_voltages = 5,
 	.pmic_mode_map = pmic_mode_map_pmic5_smps,
 	.of_map_mode = rpmh_regulator_pmic4_smps_of_map_mode,

drivers/s390/net/qeth_core.h

@@ -1075,7 +1075,8 @@ struct qeth_card *qeth_get_card_by_busid(char *bus_id);
 void qeth_set_allowed_threads(struct qeth_card *card, unsigned long threads,
 			      int clear_start_mask);
 int qeth_threads_running(struct qeth_card *, unsigned long);
-int qeth_set_offline(struct qeth_card *card, bool resetting);
+int qeth_set_offline(struct qeth_card *card, const struct qeth_discipline *disc,
+		     bool resetting);
 
 int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *,
 		  int (*reply_cb)

drivers/s390/net/qeth_core_main.c

@@ -5300,12 +5300,12 @@ static int qeth_hardsetup_card(struct qeth_card *card, bool *carrier_ok)
 	return rc;
 }
 
-static int qeth_set_online(struct qeth_card *card)
+static int qeth_set_online(struct qeth_card *card,
+			   const struct qeth_discipline *disc)
 {
 	bool carrier_ok;
 	int rc;
 
-	mutex_lock(&card->discipline_mutex);
 	mutex_lock(&card->conf_mutex);
 	QETH_CARD_TEXT(card, 2, "setonlin");
 
@@ -5322,7 +5322,7 @@ static int qeth_set_online(struct qeth_card *card)
 		/* no need for locking / error handling at this early stage: */
 		qeth_set_real_num_tx_queues(card, qeth_tx_actual_queues(card));
 
-	rc = card->discipline->set_online(card, carrier_ok);
+	rc = disc->set_online(card, carrier_ok);
 	if (rc)
 		goto err_online;
 
@@ -5330,7 +5330,6 @@ static int qeth_set_online(struct qeth_card *card)
 	kobject_uevent(&card->gdev->dev.kobj, KOBJ_CHANGE);
 
 	mutex_unlock(&card->conf_mutex);
-	mutex_unlock(&card->discipline_mutex);
 	return 0;
 
 err_online:
@@ -5345,15 +5344,14 @@ static int qeth_set_online(struct qeth_card *card)
 	qdio_free(CARD_DDEV(card));
 
 	mutex_unlock(&card->conf_mutex);
-	mutex_unlock(&card->discipline_mutex);
 	return rc;
 }
 
-int qeth_set_offline(struct qeth_card *card, bool resetting)
+int qeth_set_offline(struct qeth_card *card, const struct qeth_discipline *disc,
+		     bool resetting)
 {
 	int rc, rc2, rc3;
 
-	mutex_lock(&card->discipline_mutex);
 	mutex_lock(&card->conf_mutex);
 	QETH_CARD_TEXT(card, 3, "setoffl");
 
@@ -5374,7 +5372,7 @@ int qeth_set_offline(struct qeth_card *card, bool resetting)
 
 	cancel_work_sync(&card->rx_mode_work);
 
-	card->discipline->set_offline(card);
+	disc->set_offline(card);
 
 	qeth_qdio_clear_card(card, 0);
 	qeth_drain_output_queues(card);
@@ -5395,16 +5393,19 @@ int qeth_set_offline(struct qeth_card *card, bool resetting)
 	kobject_uevent(&card->gdev->dev.kobj, KOBJ_CHANGE);
 
 	mutex_unlock(&card->conf_mutex);
-	mutex_unlock(&card->discipline_mutex);
 	return 0;
 }
 EXPORT_SYMBOL_GPL(qeth_set_offline);
 
 static int qeth_do_reset(void *data)
 {
+	const struct qeth_discipline *disc;
 	struct qeth_card *card = data;
 	int rc;
 
+	/* Lock-free, other users will block until we are done. */
+	disc = card->discipline;
+
 	QETH_CARD_TEXT(card, 2, "recover1");
 	if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD))
 		return 0;
@@ -5412,8 +5413,8 @@ static int qeth_do_reset(void *data)
 	dev_warn(&card->gdev->dev,
 		 "A recovery process has been started for the device\n");
 
-	qeth_set_offline(card, true);
+	qeth_set_offline(card, disc, true);
-	rc = qeth_set_online(card);
+	rc = qeth_set_online(card, disc);
 	if (!rc) {
 		dev_info(&card->gdev->dev,
 			 "Device successfully recovered!\n");
@@ -6360,6 +6361,7 @@ static int qeth_core_probe_device(struct ccwgroup_device *gdev)
 		break;
 	default:
 		card->info.layer_enforced = true;
+		/* It's so early that we don't need the discipline_mutex yet. */
 		rc = qeth_core_load_discipline(card, enforced_disc);
 		if (rc)
 			goto err_load;
@@ -6392,10 +6394,12 @@ static void qeth_core_remove_device(struct ccwgroup_device *gdev)
 
 	QETH_CARD_TEXT(card, 2, "removedv");
 
+	mutex_lock(&card->discipline_mutex);
 	if (card->discipline) {
 		card->discipline->remove(gdev);
 		qeth_core_free_discipline(card);
 	}
+	mutex_unlock(&card->discipline_mutex);
 
 	qeth_free_qdio_queues(card);
 
@@ -6410,6 +6414,7 @@ static int qeth_core_set_online(struct ccwgroup_device *gdev)
 	int rc = 0;
 	enum qeth_discipline_id def_discipline;
 
+	mutex_lock(&card->discipline_mutex);
 	if (!card->discipline) {
 		def_discipline = IS_IQD(card) ? QETH_DISCIPLINE_LAYER3 :
 						QETH_DISCIPLINE_LAYER2;
@@ -6423,16 +6428,23 @@ static int qeth_core_set_online(struct ccwgroup_device *gdev)
 		}
 	}
 
-	rc = qeth_set_online(card);
+	rc = qeth_set_online(card, card->discipline);
+
 err:
+	mutex_unlock(&card->discipline_mutex);
 	return rc;
 }
 
 static int qeth_core_set_offline(struct ccwgroup_device *gdev)
 {
 	struct qeth_card *card = dev_get_drvdata(&gdev->dev);
+	int rc;
 
-	return qeth_set_offline(card, false);
+	mutex_lock(&card->discipline_mutex);
+	rc = qeth_set_offline(card, card->discipline, false);
+	mutex_unlock(&card->discipline_mutex);
+
+	return rc;
 }
 
 static void qeth_core_shutdown(struct ccwgroup_device *gdev)

drivers/s390/net/qeth_l2_main.c

@@ -2208,7 +2208,7 @@ static void qeth_l2_remove_device(struct ccwgroup_device *gdev)
 	wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0);
 
 	if (gdev->state == CCWGROUP_ONLINE)
-		qeth_set_offline(card, false);
+		qeth_set_offline(card, card->discipline, false);
 
 	cancel_work_sync(&card->close_dev_work);
 	if (card->dev->reg_state == NETREG_REGISTERED)

drivers/s390/net/qeth_l3_main.c

@@ -1816,7 +1816,7 @@ static netdev_features_t qeth_l3_osa_features_check(struct sk_buff *skb,
 						    struct net_device *dev,
 						    netdev_features_t features)
 {
-	if (qeth_get_ip_version(skb) != 4)
+	if (vlan_get_protocol(skb) != htons(ETH_P_IP))
 		features &= ~NETIF_F_HW_VLAN_CTAG_TX;
 	return qeth_features_check(skb, dev, features);
 }
@@ -1974,7 +1974,7 @@ static void qeth_l3_remove_device(struct ccwgroup_device *cgdev)
 	wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0);
 
 	if (cgdev->state == CCWGROUP_ONLINE)
-		qeth_set_offline(card, false);
+		qeth_set_offline(card, card->discipline, false);
 
 	cancel_work_sync(&card->close_dev_work);
 	if (card->dev->reg_state == NETREG_REGISTERED)

drivers/scsi/lpfc/lpfc_sli.c

@@ -10459,7 +10459,6 @@ lpfc_sli4_abts_err_handler(struct lpfc_hba *phba,
 			   struct lpfc_nodelist *ndlp,
 			   struct sli4_wcqe_xri_aborted *axri)
 {
-	struct lpfc_vport *vport;
 	uint32_t ext_status = 0;
 
 	if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) {
@@ -10469,7 +10468,6 @@ lpfc_sli4_abts_err_handler(struct lpfc_hba *phba,
 		return;
 	}
 
-	vport = ndlp->vport;
 	lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
 			"3116 Port generated FCP XRI ABORT event on "
 			"vpi %d rpi %d xri x%x status 0x%x parameter x%x\n",

drivers/scsi/ufs/ufs-qcom.c

@@ -1116,6 +1116,17 @@ static int remove_group_qos(struct qos_cpu_group *qcg)
 	return 0;
 }
 
+static void ufs_qcom_device_reset_ctrl(struct ufs_hba *hba, bool asserted)
+{
+	struct ufs_qcom_host *host = ufshcd_get_variant(hba);
+
+	/* reset gpio is optional */
+	if (!host->device_reset)
+		return;
+
+	gpiod_set_value_cansleep(host->device_reset, asserted);
+}
+
 static int ufs_qcom_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op)
 {
 	struct ufs_qcom_host *host = ufshcd_get_variant(hba);
@@ -1137,6 +1148,9 @@ static int ufs_qcom_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op)
 			err = ufs_qcom_unvote_qos_all(hba);
 	}
 
+	if (!err && ufs_qcom_is_link_off(hba) && host->device_reset)
+		ufs_qcom_device_reset_ctrl(hba, true);
+
 	return err;
 }
 
@@ -3408,10 +3422,10 @@ static int ufs_qcom_device_reset(struct ufs_hba *hba)
 	 * The UFS device shall detect reset pulses of 1us, sleep for 10us to
 	 * be on the safe side.
 	 */
-	gpiod_set_value_cansleep(host->device_reset, 1);
+	ufs_qcom_device_reset_ctrl(hba, true);
 	usleep_range(10, 15);
 
-	gpiod_set_value_cansleep(host->device_reset, 0);
+	ufs_qcom_device_reset_ctrl(hba, false);
 	usleep_range(10, 15);
 
 	return 0;

drivers/scsi/ufs/ufshcd.c

@@ -7737,7 +7737,7 @@ static int ufshcd_clear_ua_wlun(struct ufs_hba *hba, u8 wlun)
 	else if (wlun == UFS_UPIU_RPMB_WLUN)
 		sdp = hba->sdev_rpmb;
 	else
-		BUG_ON(1);
+		BUG();
 	if (sdp) {
 		ret = scsi_device_get(sdp);
 		if (!ret && !scsi_device_online(sdp)) {
@@ -7900,8 +7900,6 @@ static void ufshcd_async_scan(void *data, async_cookie_t cookie)
 		pm_runtime_put_sync(hba->dev);
 		ufshcd_exit_clk_scaling(hba);
 		ufshcd_hba_exit(hba);
-	} else {
-		ufshcd_clear_ua_wluns(hba);
 	}
 }
 
@@ -8699,8 +8697,6 @@ static int ufshcd_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op)
 	if (ret)
 		goto set_dev_active;
 
-	ufshcd_vreg_set_lpm(hba);
-
 disable_clks:
 	/*
 	 * Call vendor specific suspend callback. As these callbacks may access
@@ -8728,6 +8724,8 @@ static int ufshcd_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op)
 					hba->clk_gating.state);
 	}
 
+	ufshcd_vreg_set_lpm(hba);
+
 	/* Put the host controller in low power mode if possible */
 	ufshcd_hba_vreg_set_lpm(hba);
 	goto out;
@@ -8782,18 +8780,18 @@ static int ufshcd_resume(struct ufs_hba *hba, enum ufs_pm_op pm_op)
 	old_link_state = hba->uic_link_state;
 
 	ufshcd_hba_vreg_set_hpm(hba);
-	/* Make sure clocks are enabled before accessing controller */
+	ret = ufshcd_vreg_set_hpm(hba);
-	ret = ufshcd_setup_clocks(hba, true);
 	if (ret)
 		goto out;
 
+	/* Make sure clocks are enabled before accessing controller */
+	ret = ufshcd_setup_clocks(hba, true);
+	if (ret)
+		goto disable_vreg;
+
 	/* enable the host irq as host controller would be active soon */
 	ufshcd_enable_irq(hba);
 
-	ret = ufshcd_vreg_set_hpm(hba);
-	if (ret)
-		goto disable_irq_and_vops_clks;
-
 	/*
 	 * Call vendor specific resume callback. As these callbacks may access
 	 * vendor specific host controller register space call them when the
@@ -8801,7 +8799,7 @@ static int ufshcd_resume(struct ufs_hba *hba, enum ufs_pm_op pm_op)
 	 */
 	ret = ufshcd_vops_resume(hba, pm_op);
 	if (ret)
-		goto disable_vreg;
+		goto disable_irq_and_vops_clks;
 
 	if (ufshcd_is_link_hibern8(hba)) {
 		ret = ufshcd_uic_hibern8_exit(hba);
@@ -8865,8 +8863,6 @@ static int ufshcd_resume(struct ufs_hba *hba, enum ufs_pm_op pm_op)
 	ufshcd_link_state_transition(hba, old_link_state, 0);
 vendor_suspend:
 	ufshcd_vops_suspend(hba, pm_op);
-disable_vreg:
-	ufshcd_vreg_set_lpm(hba);
 disable_irq_and_vops_clks:
 	ufshcd_disable_irq(hba);
 	if (hba->clk_scaling.is_allowed)
@@ -8877,6 +8873,8 @@ static int ufshcd_resume(struct ufs_hba *hba, enum ufs_pm_op pm_op)
 		trace_ufshcd_clk_gating(dev_name(hba->dev),
 					hba->clk_gating.state);
 	}
+disable_vreg:
+	ufshcd_vreg_set_lpm(hba);
 out:
 	hba->pm_op_in_progress = 0;
 	if (ret)

drivers/spi/spi-geni-qcom.c

@@ -83,6 +83,7 @@ struct spi_geni_master {
 	spinlock_t lock;
 	int irq;
 	bool cs_flag;
+	bool abort_failed;
 };
 
 static int get_spi_clk_cfg(unsigned int speed_hz,
@@ -141,8 +142,49 @@ static void handle_fifo_timeout(struct spi_master *spi,
 	spin_unlock_irq(&mas->lock);
 
 	time_left = wait_for_completion_timeout(&mas->abort_done, HZ);
-	if (!time_left)
+	if (!time_left) {
 		dev_err(mas->dev, "Failed to cancel/abort m_cmd\n");
+
+		/*
+		 * No need for a lock since SPI core has a lock and we never
+		 * access this from an interrupt.
+		 */
+		mas->abort_failed = true;
+	}
+}
+
+static bool spi_geni_is_abort_still_pending(struct spi_geni_master *mas)
+{
+	struct geni_se *se = &mas->se;
+	u32 m_irq, m_irq_en;
+
+	if (!mas->abort_failed)
+		return false;
+
+	/*
+	 * The only known case where a transfer times out and then a cancel
+	 * times out then an abort times out is if something is blocking our
+	 * interrupt handler from running.  Avoid starting any new transfers
+	 * until that sorts itself out.
+	 */
+	spin_lock_irq(&mas->lock);
+	m_irq = readl(se->base + SE_GENI_M_IRQ_STATUS);
+	m_irq_en = readl(se->base + SE_GENI_M_IRQ_EN);
+	spin_unlock_irq(&mas->lock);
+
+	if (m_irq & m_irq_en) {
+		dev_err(mas->dev, "Interrupts pending after abort: %#010x\n",
+			m_irq & m_irq_en);
+		return true;
+	}
+
+	/*
+	 * If we're here the problem resolved itself so no need to check more
+	 * on future transfers.
+	 */
+	mas->abort_failed = false;
+
+	return false;
 }
 
 static void spi_geni_set_cs(struct spi_device *slv, bool set_flag)
@@ -158,9 +200,15 @@ static void spi_geni_set_cs(struct spi_device *slv, bool set_flag)
 	if (set_flag == mas->cs_flag)
 		return;
 
+	pm_runtime_get_sync(mas->dev);
+
+	if (spi_geni_is_abort_still_pending(mas)) {
+		dev_err(mas->dev, "Can't set chip select\n");
+		goto exit;
+	}
+
 	mas->cs_flag = set_flag;
 
-	pm_runtime_get_sync(mas->dev);
 	spin_lock_irq(&mas->lock);
 	reinit_completion(&mas->cs_done);
 	if (set_flag)
@@ -173,6 +221,7 @@ static void spi_geni_set_cs(struct spi_device *slv, bool set_flag)
 	if (!time_left)
 		handle_fifo_timeout(spi, NULL);
 
+exit:
 	pm_runtime_put(mas->dev);
 }
 
@@ -280,6 +329,9 @@ static int spi_geni_prepare_message(struct spi_master *spi,
 	int ret;
 	struct spi_geni_master *mas = spi_master_get_devdata(spi);
 
+	if (spi_geni_is_abort_still_pending(mas))
+		return -EBUSY;
+
 	ret = setup_fifo_params(spi_msg->spi, spi);
 	if (ret)
 		dev_err(mas->dev, "Couldn't select mode %d\n", ret);
@@ -354,6 +406,12 @@ static bool geni_spi_handle_tx(struct spi_geni_master *mas)
 	unsigned int bytes_per_fifo_word = geni_byte_per_fifo_word(mas);
 	unsigned int i = 0;
 
+	/* Stop the watermark IRQ if nothing to send */
+	if (!mas->cur_xfer) {
+		writel(0, se->base + SE_GENI_TX_WATERMARK_REG);
+		return false;
+	}
+
 	max_bytes = (mas->tx_fifo_depth - mas->tx_wm) * bytes_per_fifo_word;
 	if (mas->tx_rem_bytes < max_bytes)
 		max_bytes = mas->tx_rem_bytes;
@@ -396,6 +454,14 @@ static void geni_spi_handle_rx(struct spi_geni_master *mas)
 		if (rx_last_byte_valid && rx_last_byte_valid < 4)
 			rx_bytes -= bytes_per_fifo_word - rx_last_byte_valid;
 	}
+
+	/* Clear out the FIFO and bail if nowhere to put it */
+	if (!mas->cur_xfer) {
+		for (i = 0; i < DIV_ROUND_UP(rx_bytes, bytes_per_fifo_word); i++)
+			readl(se->base + SE_GENI_RX_FIFOn);
+		return;
+	}
+
 	if (mas->rx_rem_bytes < rx_bytes)
 		rx_bytes = mas->rx_rem_bytes;
 
@@ -495,6 +561,9 @@ static int spi_geni_transfer_one(struct spi_master *spi,
 {
 	struct spi_geni_master *mas = spi_master_get_devdata(spi);
 
+	if (spi_geni_is_abort_still_pending(mas))
+		return -EBUSY;
+
 	/* Terminate and return success for 0 byte length transfer */
 	if (!xfer->len)
 		return 0;

drivers/spi/spi-stm32.c

@@ -493,9 +493,9 @@ static u32 stm32h7_spi_prepare_fthlv(struct stm32_spi *spi, u32 xfer_len)
 
 	/* align packet size with data registers access */
 	if (spi->cur_bpw > 8)
-		fthlv -= (fthlv % 2); /* multiple of 2 */
+		fthlv += (fthlv % 2) ? 1 : 0;
 	else
-		fthlv -= (fthlv % 4); /* multiple of 4 */
+		fthlv += (fthlv % 4) ? (4 - (fthlv % 4)) : 0;
 
 	if (!fthlv)
 		fthlv = 1;

drivers/usb/gadget/function/u_ether.c

@@ -80,6 +80,7 @@ struct eth_dev {
 
 	bool			zlp;
 	bool			no_skb_reserve;
+	bool			ifname_set;
 	u8			host_mac[ETH_ALEN];
 	u8			dev_mac[ETH_ALEN];
 };
@@ -1004,15 +1005,45 @@ EXPORT_SYMBOL_GPL(gether_get_qmult);
 
 int gether_get_ifname(struct net_device *net, char *name, int len)
 {
+	struct eth_dev *dev = netdev_priv(net);
 	int ret;
 
 	rtnl_lock();
-	ret = scnprintf(name, len, "%s\n", netdev_name(net));
+	ret = scnprintf(name, len, "%s\n",
+			dev->ifname_set ? net->name : netdev_name(net));
 	rtnl_unlock();
 	return ret;
 }
 EXPORT_SYMBOL_GPL(gether_get_ifname);
 
+int gether_set_ifname(struct net_device *net, const char *name, int len)
+{
+	struct eth_dev *dev = netdev_priv(net);
+	char tmp[IFNAMSIZ];
+	const char *p;
+
+	if (name[len - 1] == '\n')
+		len--;
+
+	if (len >= sizeof(tmp))
+		return -E2BIG;
+
+	strscpy(tmp, name, len + 1);
+	if (!dev_valid_name(tmp))
+		return -EINVAL;
+
+	/* Require exactly one %d, so binding will not fail with EEXIST. */
+	p = strchr(name, '%');
+	if (!p || p[1] != 'd' || strchr(p + 2, '%'))
+		return -EINVAL;
+
+	strncpy(net->name, tmp, sizeof(net->name));
+	dev->ifname_set = true;
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(gether_set_ifname);
+
 /*
  * gether_cleanup - remove Ethernet-over-USB device
  * Context: may sleep