diff options
| author |   Mike Pagano <mpagano@gentoo.org> | 2019-07-31 06:12:54 -0400 |
|---|---|---|
| committer | Mike Pagano <mpagano@gentoo.org> | 2019-07-31 06:12:54 -0400 |
| commit | bba20b5be2b932524ed1365df0c4f25c29ac4a74 (patch) | |
| tree | fccc6032071eba102e23abc8114d1cda58d91053 | |
| parent | Linux patch 4.19.62 (diff) | |
| download | linux-patches-bba20b5be2b932524ed1365df0c4f25c29ac4a74.tar.gz linux-patches-bba20b5be2b932524ed1365df0c4f25c29ac4a74.tar.bz2 linux-patches-bba20b5be2b932524ed1365df0c4f25c29ac4a74.zip | |
Linux patch 4.19.634.19-63
Signed-off-by: Mike Pagano <mpagano@gentoo.org>
| -rw-r--r-- | 0000_README | 8 | ||||
| -rw-r--r-- | 1062_linux-4.19.63.patch | 3299 |
2 files changed, 3305 insertions, 2 deletions
diff --git a/0000_README b/0000_README index 6ff7ffd4..2e505edb 100644 --- a/0000_README +++ b/0000_README @@ -283,14 +283,18 @@ Patch: 1059_linux-4.19.60.patch From: https://www.kernel.org Desc: Linux 4.19.60 -Patch: 1060-4.19.61.patch +Patch: 1060_linux-4.19.61.patch From: https://www.kernel.org Desc: Linux 4.19.61 -Patch: 1061-4.19.62.patch +Patch: 1061_linux-4.19.62.patch From: https://www.kernel.org Desc: Linux 4.19.62 +Patch: 1062_linux-4.19.63.patch +From: https://www.kernel.org +Desc: Linux 4.19.63 + Patch: 1500_XATTR_USER_PREFIX.patch From: https://bugs.gentoo.org/show_bug.cgi?id=470644 Desc: Support for namespace user.pax.* on tmpfs. diff --git a/1062_linux-4.19.63.patch b/1062_linux-4.19.63.patch new file mode 100644 index 00000000..b523869b --- /dev/null +++ b/1062_linux-4.19.63.patch @@ -0,0 +1,3299 @@ +diff --git a/Makefile b/Makefile +index a4463d880ae2..8ad77a93de30 100644 +--- a/Makefile ++++ b/Makefile +@@ -1,7 +1,7 @@ + # SPDX-License-Identifier: GPL-2.0 + VERSION = 4 + PATCHLEVEL = 19 +-SUBLEVEL = 62 ++SUBLEVEL = 63 + EXTRAVERSION = + NAME = "People's Front" + +@@ -491,6 +491,7 @@ ifneq ($(GCC_TOOLCHAIN),) + CLANG_FLAGS += --gcc-toolchain=$(GCC_TOOLCHAIN) + endif + CLANG_FLAGS += -no-integrated-as ++CLANG_FLAGS += -Werror=unknown-warning-option + KBUILD_CFLAGS += $(CLANG_FLAGS) + KBUILD_AFLAGS += $(CLANG_FLAGS) + export CLANG_FLAGS +diff --git a/arch/arm64/include/asm/assembler.h b/arch/arm64/include/asm/assembler.h +index f90f5d83b228..5a97ac853168 100644 +--- a/arch/arm64/include/asm/assembler.h ++++ b/arch/arm64/include/asm/assembler.h +@@ -112,7 +112,11 @@ + * RAS Error Synchronization barrier + */ + .macro esb ++#ifdef CONFIG_ARM64_RAS_EXTN + hint #16 ++#else ++ nop ++#endif + .endm + + /* +diff --git a/arch/powerpc/boot/xz_config.h b/arch/powerpc/boot/xz_config.h +index e22e5b3770dd..ebfadd39e192 100644 +--- a/arch/powerpc/boot/xz_config.h ++++ b/arch/powerpc/boot/xz_config.h +@@ -20,10 +20,30 @@ static inline uint32_t swab32p(void *p) + + #ifdef __LITTLE_ENDIAN__ + #define get_le32(p) (*((uint32_t *) (p))) ++#define cpu_to_be32(x) swab32(x) ++static inline u32 be32_to_cpup(const u32 *p) ++{ ++ return swab32p((u32 *)p); ++} + #else + #define get_le32(p) swab32p(p) ++#define cpu_to_be32(x) (x) ++static inline u32 be32_to_cpup(const u32 *p) ++{ ++ return *p; ++} + #endif + ++static inline uint32_t get_unaligned_be32(const void *p) ++{ ++ return be32_to_cpup(p); ++} ++ ++static inline void put_unaligned_be32(u32 val, void *p) ++{ ++ *((u32 *)p) = cpu_to_be32(val); ++} ++ + #define memeq(a, b, size) (memcmp(a, b, size) == 0) + #define memzero(buf, size) memset(buf, 0, size) + +diff --git a/arch/powerpc/include/asm/cacheflush.h b/arch/powerpc/include/asm/cacheflush.h +index d5a8d7bf0759..b189f7aee222 100644 +--- a/arch/powerpc/include/asm/cacheflush.h ++++ b/arch/powerpc/include/asm/cacheflush.h +@@ -32,9 +32,12 @@ + * not expect this type of fault. flush_cache_vmap is not exactly the right + * place to put this, but it seems to work well enough. + */ +-#define flush_cache_vmap(start, end) do { asm volatile("ptesync" ::: "memory"); } while (0) ++static inline void flush_cache_vmap(unsigned long start, unsigned long end) ++{ ++ asm volatile("ptesync" ::: "memory"); ++} + #else +-#define flush_cache_vmap(start, end) do { } while (0) ++static inline void flush_cache_vmap(unsigned long start, unsigned long end) { } + #endif + + #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1 +diff --git a/arch/powerpc/kernel/eeh.c b/arch/powerpc/kernel/eeh.c +index c72767a5327a..fe3c6f3bd3b6 100644 +--- a/arch/powerpc/kernel/eeh.c ++++ b/arch/powerpc/kernel/eeh.c +@@ -360,10 +360,19 @@ static inline unsigned long eeh_token_to_phys(unsigned long token) + ptep = find_init_mm_pte(token, &hugepage_shift); + if (!ptep) + return token; +- WARN_ON(hugepage_shift); +- pa = pte_pfn(*ptep) << PAGE_SHIFT; + +- return pa | (token & (PAGE_SIZE-1)); ++ pa = pte_pfn(*ptep); ++ ++ /* On radix we can do hugepage mappings for io, so handle that */ ++ if (hugepage_shift) { ++ pa <<= hugepage_shift; ++ pa |= token & ((1ul << hugepage_shift) - 1); ++ } else { ++ pa <<= PAGE_SHIFT; ++ pa |= token & (PAGE_SIZE - 1); ++ } ++ ++ return pa; + } + + /* +diff --git a/arch/powerpc/kernel/pci_of_scan.c b/arch/powerpc/kernel/pci_of_scan.c +index 98f04725def7..c101b321dece 100644 +--- a/arch/powerpc/kernel/pci_of_scan.c ++++ b/arch/powerpc/kernel/pci_of_scan.c +@@ -45,6 +45,8 @@ unsigned int pci_parse_of_flags(u32 addr0, int bridge) + if (addr0 & 0x02000000) { + flags = IORESOURCE_MEM | PCI_BASE_ADDRESS_SPACE_MEMORY; + flags |= (addr0 >> 22) & PCI_BASE_ADDRESS_MEM_TYPE_64; ++ if (flags & PCI_BASE_ADDRESS_MEM_TYPE_64) ++ flags |= IORESOURCE_MEM_64; + flags |= (addr0 >> 28) & PCI_BASE_ADDRESS_MEM_TYPE_1M; + if (addr0 & 0x40000000) + flags |= IORESOURCE_PREFETCH +diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c +index fd59fef9931b..906b05c2adae 100644 +--- a/arch/powerpc/kernel/signal_32.c ++++ b/arch/powerpc/kernel/signal_32.c +@@ -1202,6 +1202,9 @@ SYSCALL_DEFINE0(rt_sigreturn) + goto bad; + + if (MSR_TM_ACTIVE(msr_hi<<32)) { ++ /* Trying to start TM on non TM system */ ++ if (!cpu_has_feature(CPU_FTR_TM)) ++ goto bad; + /* We only recheckpoint on return if we're + * transaction. + */ +diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c +index 14b0f5b6a373..b5933d7219db 100644 +--- a/arch/powerpc/kernel/signal_64.c ++++ b/arch/powerpc/kernel/signal_64.c +@@ -750,6 +750,11 @@ SYSCALL_DEFINE0(rt_sigreturn) + if (MSR_TM_ACTIVE(msr)) { + /* We recheckpoint on return. */ + struct ucontext __user *uc_transact; ++ ++ /* Trying to start TM on non TM system */ ++ if (!cpu_has_feature(CPU_FTR_TM)) ++ goto badframe; ++ + if (__get_user(uc_transact, &uc->uc_link)) + goto badframe; + if (restore_tm_sigcontexts(current, &uc->uc_mcontext, +diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c +index 7296a42eb62e..cef0b7ee1024 100644 +--- a/arch/powerpc/mm/hugetlbpage.c ++++ b/arch/powerpc/mm/hugetlbpage.c +@@ -150,6 +150,8 @@ pte_t *huge_pte_alloc(struct mm_struct *mm, unsigned long addr, unsigned long sz + } else { + pdshift = PUD_SHIFT; + pu = pud_alloc(mm, pg, addr); ++ if (!pu) ++ return NULL; + if (pshift == PUD_SHIFT) + return (pte_t *)pu; + else if (pshift > PMD_SHIFT) { +@@ -158,6 +160,8 @@ pte_t *huge_pte_alloc(struct mm_struct *mm, unsigned long addr, unsigned long sz + } else { + pdshift = PMD_SHIFT; + pm = pmd_alloc(mm, pu, addr); ++ if (!pm) ++ return NULL; + if (pshift == PMD_SHIFT) + /* 16MB hugepage */ + return (pte_t *)pm; +@@ -174,12 +178,16 @@ pte_t *huge_pte_alloc(struct mm_struct *mm, unsigned long addr, unsigned long sz + } else { + pdshift = PUD_SHIFT; + pu = pud_alloc(mm, pg, addr); ++ if (!pu) ++ return NULL; + if (pshift >= PUD_SHIFT) { + ptl = pud_lockptr(mm, pu); + hpdp = (hugepd_t *)pu; + } else { + pdshift = PMD_SHIFT; + pm = pmd_alloc(mm, pu, addr); ++ if (!pm) ++ return NULL; + ptl = pmd_lockptr(mm, pm); + hpdp = (hugepd_t *)pm; + } +diff --git a/arch/powerpc/platforms/4xx/uic.c b/arch/powerpc/platforms/4xx/uic.c +index 8b4dd0da0839..9e27cfe27026 100644 +--- a/arch/powerpc/platforms/4xx/uic.c ++++ b/arch/powerpc/platforms/4xx/uic.c +@@ -158,6 +158,7 @@ static int uic_set_irq_type(struct irq_data *d, unsigned int flow_type) + + mtdcr(uic->dcrbase + UIC_PR, pr); + mtdcr(uic->dcrbase + UIC_TR, tr); ++ mtdcr(uic->dcrbase + UIC_SR, ~mask); + + raw_spin_unlock_irqrestore(&uic->lock, flags); + +diff --git a/arch/powerpc/platforms/pseries/mobility.c b/arch/powerpc/platforms/pseries/mobility.c +index f0e30dc94988..7b60fcf04dc4 100644 +--- a/arch/powerpc/platforms/pseries/mobility.c ++++ b/arch/powerpc/platforms/pseries/mobility.c +@@ -9,6 +9,7 @@ + * 2 as published by the Free Software Foundation. + */ + ++#include <linux/cpu.h> + #include <linux/kernel.h> + #include <linux/kobject.h> + #include <linux/smp.h> +@@ -344,11 +345,19 @@ void post_mobility_fixup(void) + if (rc) + printk(KERN_ERR "Post-mobility activate-fw failed: %d\n", rc); + ++ /* ++ * We don't want CPUs to go online/offline while the device ++ * tree is being updated. ++ */ ++ cpus_read_lock(); ++ + rc = pseries_devicetree_update(MIGRATION_SCOPE); + if (rc) + printk(KERN_ERR "Post-mobility device tree update " + "failed: %d\n", rc); + ++ cpus_read_unlock(); ++ + /* Possibly switch to a new RFI flush type */ + pseries_setup_rfi_flush(); + +diff --git a/arch/powerpc/sysdev/xive/common.c b/arch/powerpc/sysdev/xive/common.c +index 959a2a62f233..0b24b1031221 100644 +--- a/arch/powerpc/sysdev/xive/common.c ++++ b/arch/powerpc/sysdev/xive/common.c +@@ -483,7 +483,7 @@ static int xive_find_target_in_mask(const struct cpumask *mask, + * Now go through the entire mask until we find a valid + * target. + */ +- for (;;) { ++ do { + /* + * We re-check online as the fallback case passes us + * an untested affinity mask +@@ -491,12 +491,11 @@ static int xive_find_target_in_mask(const struct cpumask *mask, + if (cpu_online(cpu) && xive_try_pick_target(cpu)) + return cpu; + cpu = cpumask_next(cpu, mask); +- if (cpu == first) +- break; + /* Wrap around */ + if (cpu >= nr_cpu_ids) + cpu = cpumask_first(mask); +- } ++ } while (cpu != first); ++ + return -1; + } + +diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c +index dd6badc31f45..74cfc1be04d6 100644 +--- a/arch/powerpc/xmon/xmon.c ++++ b/arch/powerpc/xmon/xmon.c +@@ -466,8 +466,10 @@ static int xmon_core(struct pt_regs *regs, int fromipi) + local_irq_save(flags); + hard_irq_disable(); + +- tracing_enabled = tracing_is_on(); +- tracing_off(); ++ if (!fromipi) { ++ tracing_enabled = tracing_is_on(); ++ tracing_off(); ++ } + + bp = in_breakpoint_table(regs->nip, &offset); + if (bp != NULL) { +diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h +index 98cb8c802b1a..0ae60d680000 100644 +--- a/arch/sh/include/asm/io.h ++++ b/arch/sh/include/asm/io.h +@@ -371,7 +371,11 @@ static inline int iounmap_fixed(void __iomem *addr) { return -EINVAL; } + + #define ioremap_nocache ioremap + #define ioremap_uc ioremap +-#define iounmap __iounmap ++ ++static inline void iounmap(void __iomem *addr) ++{ ++ __iounmap(addr); ++} + + /* + * Convert a physical pointer to a virtual kernel pointer for /dev/mem +diff --git a/arch/um/include/asm/mmu_context.h b/arch/um/include/asm/mmu_context.h +index fca34b2177e2..129fb1d1f1c5 100644 +--- a/arch/um/include/asm/mmu_context.h ++++ b/arch/um/include/asm/mmu_context.h +@@ -53,7 +53,7 @@ static inline void activate_mm(struct mm_struct *old, struct mm_struct *new) + * when the new ->mm is used for the first time. + */ + __switch_mm(&new->context.id); +- down_write(&new->mmap_sem); ++ down_write_nested(&new->mmap_sem, 1); + uml_setup_stubs(new); + up_write(&new->mmap_sem); + } +diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c +index a5cde748cf76..c5690440fbd4 100644 +--- a/arch/x86/kernel/cpu/bugs.c ++++ b/arch/x86/kernel/cpu/bugs.c +@@ -1196,7 +1196,7 @@ static ssize_t l1tf_show_state(char *buf) + + static ssize_t mds_show_state(char *buf) + { +- if (!hypervisor_is_type(X86_HYPER_NATIVE)) { ++ if (boot_cpu_has(X86_FEATURE_HYPERVISOR)) { + return sprintf(buf, "%s; SMT Host state unknown\n", + mds_strings[mds_mitigation]); + } +diff --git a/arch/x86/kernel/sysfb_efi.c b/arch/x86/kernel/sysfb_efi.c +index 623965e86b65..897da526e40e 100644 +--- a/arch/x86/kernel/sysfb_efi.c ++++ b/arch/x86/kernel/sysfb_efi.c +@@ -231,9 +231,55 @@ static const struct dmi_system_id efifb_dmi_system_table[] __initconst = { + {}, + }; + ++/* ++ * Some devices have a portrait LCD but advertise a landscape resolution (and ++ * pitch). We simply swap width and height for these devices so that we can ++ * correctly deal with some of them coming with multiple resolutions. ++ */ ++static const struct dmi_system_id efifb_dmi_swap_width_height[] __initconst = { ++ { ++ /* ++ * Lenovo MIIX310-10ICR, only some batches have the troublesome ++ * 800x1280 portrait screen. Luckily the portrait version has ++ * its own BIOS version, so we match on that. ++ */ ++ .matches = { ++ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"), ++ DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "MIIX 310-10ICR"), ++ DMI_EXACT_MATCH(DMI_BIOS_VERSION, "1HCN44WW"), ++ }, ++ }, ++ { ++ /* Lenovo MIIX 320-10ICR with 800x1280 portrait screen */ ++ .matches = { ++ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"), ++ DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, ++ "Lenovo MIIX 320-10ICR"), ++ }, ++ }, ++ { ++ /* Lenovo D330 with 800x1280 or 1200x1920 portrait screen */ ++ .matches = { ++ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"), ++ DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, ++ "Lenovo ideapad D330-10IGM"), ++ }, ++ }, ++ {}, ++}; ++ + __init void sysfb_apply_efi_quirks(void) + { + if (screen_info.orig_video_isVGA != VIDEO_TYPE_EFI || + !(screen_info.capabilities & VIDEO_CAPABILITY_SKIP_QUIRKS)) + dmi_check_system(efifb_dmi_system_table); ++ ++ if (screen_info.orig_video_isVGA == VIDEO_TYPE_EFI && ++ dmi_check_system(efifb_dmi_swap_width_height)) { ++ u16 temp = screen_info.lfb_width; ++ ++ screen_info.lfb_width = screen_info.lfb_height; ++ screen_info.lfb_height = temp; ++ screen_info.lfb_linelength = 4 * screen_info.lfb_width; ++ } + } +diff --git a/block/bio-integrity.c b/block/bio-integrity.c +index 67b5fb861a51..5bd90cd4b51e 100644 +--- a/block/bio-integrity.c ++++ b/block/bio-integrity.c +@@ -291,8 +291,12 @@ bool bio_integrity_prep(struct bio *bio) + ret = bio_integrity_add_page(bio, virt_to_page(buf), + bytes, offset); + +- if (ret == 0) +- return false; ++ if (ret == 0) { ++ printk(KERN_ERR "could not attach integrity payload\n"); ++ kfree(buf); ++ status = BLK_STS_RESOURCE; ++ goto err_end_io; ++ } + + if (ret < bytes) + break; +diff --git a/block/blk-core.c b/block/blk-core.c +index 682bc561b77b..9ca703bcfe3b 100644 +--- a/block/blk-core.c ++++ b/block/blk-core.c +@@ -198,6 +198,7 @@ void blk_rq_init(struct request_queue *q, struct request *rq) + rq->internal_tag = -1; + rq->start_time_ns = ktime_get_ns(); + rq->part = NULL; ++ refcount_set(&rq->ref, 1); + } + EXPORT_SYMBOL(blk_rq_init); + +diff --git a/drivers/android/binder.c b/drivers/android/binder.c +index 5d67f5fec6c1..1e0e438f079f 100644 +--- a/drivers/android/binder.c ++++ b/drivers/android/binder.c +@@ -2838,7 +2838,7 @@ static void binder_transaction(struct binder_proc *proc, + else + return_error = BR_DEAD_REPLY; + mutex_unlock(&context->context_mgr_node_lock); +- if (target_node && target_proc == proc) { ++ if (target_node && target_proc->pid == proc->pid) { + binder_user_error("%d:%d got transaction to context manager from process owning it\n", + proc->pid, thread->pid); + return_error = BR_FAILED_REPLY; +diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c +index 9bffcd37cc7b..c0732f032248 100644 +--- a/drivers/char/hpet.c ++++ b/drivers/char/hpet.c +@@ -570,8 +570,7 @@ static inline unsigned long hpet_time_div(struct hpets *hpets, + unsigned long long m; + + m = hpets->hp_tick_freq + (dis >> 1); +- do_div(m, dis); +- return (unsigned long)m; ++ return div64_ul(m, dis); + } + + static int +diff --git a/drivers/fpga/Kconfig b/drivers/fpga/Kconfig +index 1ebcef4bab5b..87337fcfbc0d 100644 +--- a/drivers/fpga/Kconfig ++++ b/drivers/fpga/Kconfig +@@ -39,6 +39,7 @@ config ALTERA_PR_IP_CORE_PLAT + config FPGA_MGR_ALTERA_PS_SPI + tristate "Altera FPGA Passive Serial over SPI" + depends on SPI ++ select BITREVERSE + help + FPGA manager driver support for Altera Arria/Cyclone/Stratix + using the passive serial interface over SPI. +diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +index 72f8018fa2a8..ede27dab675f 100644 +--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c ++++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +@@ -1037,6 +1037,9 @@ static int gmc_v9_0_gart_enable(struct amdgpu_device *adev) + tmp = RREG32_SOC15(HDP, 0, mmHDP_HOST_PATH_CNTL); + WREG32_SOC15(HDP, 0, mmHDP_HOST_PATH_CNTL, tmp); + ++ WREG32_SOC15(HDP, 0, mmHDP_NONSURFACE_BASE, (adev->gmc.vram_start >> 8)); ++ WREG32_SOC15(HDP, 0, mmHDP_NONSURFACE_BASE_HI, (adev->gmc.vram_start >> 40)); ++ + /* After HDP is initialized, flush HDP.*/ + adev->nbio_funcs->hdp_flush(adev, NULL); + +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c +index 4f22e745df51..189212cb3547 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c +@@ -1268,12 +1268,17 @@ int amdkfd_fence_wait_timeout(unsigned int *fence_addr, + return 0; + } + +-static int unmap_sdma_queues(struct device_queue_manager *dqm, +- unsigned int sdma_engine) ++static int unmap_sdma_queues(struct device_queue_manager *dqm) + { +- return pm_send_unmap_queue(&dqm->packets, KFD_QUEUE_TYPE_SDMA, +- KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 0, false, +- sdma_engine); ++ int i, retval = 0; ++ ++ for (i = 0; i < dqm->dev->device_info->num_sdma_engines; i++) { ++ retval = pm_send_unmap_queue(&dqm->packets, KFD_QUEUE_TYPE_SDMA, ++ KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 0, false, i); ++ if (retval) ++ return retval; ++ } ++ return retval; + } + + /* dqm->lock mutex has to be locked before calling this function */ +@@ -1312,10 +1317,8 @@ static int unmap_queues_cpsch(struct device_queue_manager *dqm, + pr_debug("Before destroying queues, sdma queue count is : %u\n", + dqm->sdma_queue_count); + +- if (dqm->sdma_queue_count > 0) { +- unmap_sdma_queues(dqm, 0); +- unmap_sdma_queues(dqm, 1); +- } ++ if (dqm->sdma_queue_count > 0) ++ unmap_sdma_queues(dqm); + + retval = pm_send_unmap_queue(&dqm->packets, KFD_QUEUE_TYPE_COMPUTE, + filter, filter_param, false, 0); +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c +index 0cedb37cf513..985bebde5a34 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c +@@ -75,6 +75,7 @@ static int init_mqd(struct mqd_manager *mm, void **mqd, + struct v9_mqd *m; + struct kfd_dev *kfd = mm->dev; + ++ *mqd_mem_obj = NULL; + /* From V9, for CWSR, the control stack is located on the next page + * boundary after the mqd, we will use the gtt allocation function + * instead of sub-allocation function. +@@ -92,8 +93,10 @@ static int init_mqd(struct mqd_manager *mm, void **mqd, + } else + retval = kfd_gtt_sa_allocate(mm->dev, sizeof(struct v9_mqd), + mqd_mem_obj); +- if (retval != 0) ++ if (retval) { ++ kfree(*mqd_mem_obj); + return -ENOMEM; ++ } + + m = (struct v9_mqd *) (*mqd_mem_obj)->cpu_ptr; + addr = (*mqd_mem_obj)->gpu_addr; +diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +index dac7978f5ee1..221de241535a 100644 +--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c ++++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +@@ -3644,6 +3644,13 @@ void amdgpu_dm_connector_init_helper(struct amdgpu_display_manager *dm, + { + struct amdgpu_device *adev = dm->ddev->dev_private; + ++ /* ++ * Some of the properties below require access to state, like bpc. ++ * Allocate some default initial connector state with our reset helper. ++ */ ++ if (aconnector->base.funcs->reset) ++ aconnector->base.funcs->reset(&aconnector->base); ++ + aconnector->connector_id = link_index; + aconnector->dc_link = link; + aconnector->base.interlace_allowed = false; +@@ -3811,9 +3818,6 @@ static int amdgpu_dm_connector_init(struct amdgpu_display_manager *dm, + &aconnector->base, + &amdgpu_dm_connector_helper_funcs); + +- if (aconnector->base.funcs->reset) +- aconnector->base.funcs->reset(&aconnector->base); +- + amdgpu_dm_connector_init_helper( + dm, + aconnector, +diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c b/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c +index 29294db1a96b..070ab56a8aca 100644 +--- a/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c ++++ b/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c +@@ -474,6 +474,8 @@ void dce_abm_destroy(struct abm **abm) + { + struct dce_abm *abm_dce = TO_DCE_ABM(*abm); + ++ abm_dce->base.funcs->set_abm_immediate_disable(*abm); ++ + kfree(abm_dce); + *abm = NULL; + } +diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +index 53ccacf99eca..c3ad2bbec1a5 100644 +--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c ++++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +@@ -242,6 +242,9 @@ static void build_prescale_params(struct ipp_prescale_params *prescale_params, + prescale_params->mode = IPP_PRESCALE_MODE_FIXED_UNSIGNED; + + switch (plane_state->format) { ++ case SURFACE_PIXEL_FORMAT_GRPH_RGB565: ++ prescale_params->scale = 0x2082; ++ break; + case SURFACE_PIXEL_FORMAT_GRPH_ARGB8888: + case SURFACE_PIXEL_FORMAT_GRPH_ABGR8888: + prescale_params->scale = 0x2020; +diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c +index 7736ef123e9b..ead221ccb93e 100644 +--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c ++++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c +@@ -23,6 +23,7 @@ + * + */ + ++#include <linux/delay.h> + #include "dm_services.h" + #include "core_types.h" + #include "resource.h" +diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c +index e59a13542333..0cc6dbbcddcf 100644 +--- a/drivers/gpu/drm/bridge/sii902x.c ++++ b/drivers/gpu/drm/bridge/sii902x.c +@@ -261,10 +261,11 @@ static void sii902x_bridge_mode_set(struct drm_bridge *bridge, + struct regmap *regmap = sii902x->regmap; + u8 buf[HDMI_INFOFRAME_SIZE(AVI)]; + struct hdmi_avi_infoframe frame; ++ u16 pixel_clock_10kHz = adj->clock / 10; + int ret; + +- buf[0] = adj->clock; +- buf[1] = adj->clock >> 8; ++ buf[0] = pixel_clock_10kHz & 0xff; ++ buf[1] = pixel_clock_10kHz >> 8; + buf[2] = adj->vrefresh; + buf[3] = 0x00; + buf[4] = adj->hdisplay; +diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c +index 391547358756..aaca5248da07 100644 +--- a/drivers/gpu/drm/bridge/tc358767.c ++++ b/drivers/gpu/drm/bridge/tc358767.c +@@ -1149,6 +1149,13 @@ static int tc_connector_get_modes(struct drm_connector *connector) + struct tc_data *tc = connector_to_tc(connector); + struct edid *edid; + unsigned int count; ++ int ret; ++ ++ ret = tc_get_display_props(tc); ++ if (ret < 0) { ++ dev_err(tc->dev, "failed to read display props: %d\n", ret); ++ return 0; ++ } + + if (tc->panel && tc->panel->funcs && tc->panel->funcs->get_modes) { + count = tc->panel->funcs->get_modes(tc->panel); +diff --git a/drivers/gpu/drm/drm_debugfs_crc.c b/drivers/gpu/drm/drm_debugfs_crc.c +index 99961192bf03..c88e5ff41add 100644 +--- a/drivers/gpu/drm/drm_debugfs_crc.c ++++ b/drivers/gpu/drm/drm_debugfs_crc.c +@@ -379,12 +379,13 @@ int drm_crtc_add_crc_entry(struct drm_crtc *crtc, bool has_frame, + struct drm_crtc_crc *crc = &crtc->crc; + struct drm_crtc_crc_entry *entry; + int head, tail; ++ unsigned long flags; + +- spin_lock(&crc->lock); ++ spin_lock_irqsave(&crc->lock, flags); + + /* Caller may not have noticed yet that userspace has stopped reading */ + if (!crc->entries) { +- spin_unlock(&crc->lock); ++ spin_unlock_irqrestore(&crc->lock, flags); + return -EINVAL; + } + +@@ -395,7 +396,7 @@ int drm_crtc_add_crc_entry(struct drm_crtc *crtc, bool has_frame, + bool was_overflow = crc->overflow; + + crc->overflow = true; +- spin_unlock(&crc->lock); ++ spin_unlock_irqrestore(&crc->lock, flags); + + if (!was_overflow) + DRM_ERROR("Overflow of CRC buffer, userspace reads too slow.\n"); +@@ -411,7 +412,7 @@ int drm_crtc_add_crc_entry(struct drm_crtc *crtc, bool has_frame, + head = (head + 1) & (DRM_CRC_ENTRIES_NR - 1); + crc->head = head; + +- spin_unlock(&crc->lock); ++ spin_unlock_irqrestore(&crc->lock, flags); + + wake_up_interruptible(&crc->wq); + +diff --git a/drivers/gpu/drm/drm_edid_load.c b/drivers/gpu/drm/drm_edid_load.c +index a4915099aaa9..a0e107abc40d 100644 +--- a/drivers/gpu/drm/drm_edid_load.c ++++ b/drivers/gpu/drm/drm_edid_load.c +@@ -290,6 +290,8 @@ struct edid *drm_load_edid_firmware(struct drm_connector *connector) + * the last one found one as a fallback. + */ + fwstr = kstrdup(edid_firmware, GFP_KERNEL); ++ if (!fwstr) ++ return ERR_PTR(-ENOMEM); + edidstr = fwstr; + + while ((edidname = strsep(&edidstr, ","))) { +diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c +index c1abad8a8612..ed9a3a1e50ef 100644 +--- a/drivers/gpu/drm/msm/msm_drv.c ++++ b/drivers/gpu/drm/msm/msm_drv.c +@@ -1321,16 +1321,24 @@ static int msm_pdev_probe(struct platform_device *pdev) + + ret = add_gpu_components(&pdev->dev, &match); + if (ret) +- return ret; ++ goto fail; + + /* on all devices that I am aware of, iommu's which can map + * any address the cpu can see are used: + */ + ret = dma_set_mask_and_coherent(&pdev->dev, ~0); + if (ret) +- return ret; ++ goto fail; ++ ++ ret = component_master_add_with_match(&pdev->dev, &msm_drm_ops, match); ++ if (ret) ++ goto fail; + +- return component_master_add_with_match(&pdev->dev, &msm_drm_ops, match); ++ return 0; ++ ++fail: ++ of_platform_depopulate(&pdev->dev); ++ return ret; + } + + static int msm_pdev_remove(struct platform_device *pdev) +diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c +index 97964f7f2ace..b1d41c4921dd 100644 +--- a/drivers/gpu/drm/panel/panel-simple.c ++++ b/drivers/gpu/drm/panel/panel-simple.c +@@ -2803,7 +2803,14 @@ static int panel_simple_dsi_probe(struct mipi_dsi_device *dsi) + dsi->format = desc->format; + dsi->lanes = desc->lanes; + +- return mipi_dsi_attach(dsi); ++ err = mipi_dsi_attach(dsi); ++ if (err) { ++ struct panel_simple *panel = dev_get_drvdata(&dsi->dev); ++ ++ drm_panel_remove(&panel->base); ++ } ++ ++ return err; + } + + static int panel_simple_dsi_remove(struct mipi_dsi_device *dsi) +diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +index f8f9ae6622eb..873624a11ce8 100644 +--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c ++++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +@@ -880,7 +880,8 @@ static bool vop_crtc_mode_fixup(struct drm_crtc *crtc, + struct vop *vop = to_vop(crtc); + + adjusted_mode->clock = +- clk_round_rate(vop->dclk, mode->clock * 1000) / 1000; ++ DIV_ROUND_UP(clk_round_rate(vop->dclk, mode->clock * 1000), ++ 1000); + + return true; + } +diff --git a/drivers/gpu/drm/virtio/virtgpu_ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c +index 7bdf6f0e58a5..8d2f5ded86d6 100644 +--- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c ++++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c +@@ -528,6 +528,9 @@ static int virtio_gpu_get_caps_ioctl(struct drm_device *dev, + if (!ret) + return -EBUSY; + ++ /* is_valid check must proceed before copy of the cache entry. */ ++ smp_rmb(); ++ + ptr = cache_ent->caps_cache; + + copy_exit: +diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c b/drivers/gpu/drm/virtio/virtgpu_vq.c +index 020070d483d3..c8a581b1f4c4 100644 +--- a/drivers/gpu/drm/virtio/virtgpu_vq.c ++++ b/drivers/gpu/drm/virtio/virtgpu_vq.c +@@ -588,6 +588,8 @@ static void virtio_gpu_cmd_capset_cb(struct virtio_gpu_device *vgdev, + cache_ent->id == le32_to_cpu(cmd->capset_id)) { + memcpy(cache_ent->caps_cache, resp->capset_data, + cache_ent->size); ++ /* Copy must occur before is_valid is signalled. */ ++ smp_wmb(); + atomic_set(&cache_ent->is_valid, 1); + break; + } +diff --git a/drivers/gpu/host1x/bus.c b/drivers/gpu/host1x/bus.c +index 815bdb42e3f0..0121fe7a4548 100644 +--- a/drivers/gpu/host1x/bus.c ++++ b/drivers/gpu/host1x/bus.c +@@ -423,6 +423,9 @@ static int host1x_device_add(struct host1x *host1x, + + of_dma_configure(&device->dev, host1x->dev->of_node, true); + ++ device->dev.dma_parms = &device->dma_parms; ++ dma_set_max_seg_size(&device->dev, SZ_4M); ++ + err = host1x_device_parse_dt(device, driver); + if (err < 0) { + kfree(device); +diff --git a/drivers/i2c/busses/i2c-stm32f7.c b/drivers/i2c/busses/i2c-stm32f7.c +index a492da9fd0d3..ac9c9486b834 100644 +--- a/drivers/i2c/busses/i2c-stm32f7.c ++++ b/drivers/i2c/busses/i2c-stm32f7.c +@@ -24,7 +24,6 @@ + #include <linux/module.h> + #include <linux/of.h> + #include <linux/of_address.h> +-#include <linux/of_irq.h> + #include <linux/of_platform.h> + #include <linux/platform_device.h> + #include <linux/reset.h> +@@ -1782,15 +1781,14 @@ static struct i2c_algorithm stm32f7_i2c_algo = { + + static int stm32f7_i2c_probe(struct platform_device *pdev) + { +- struct device_node *np = pdev->dev.of_node; + struct stm32f7_i2c_dev *i2c_dev; + const struct stm32f7_i2c_setup *setup; + struct resource *res; +- u32 irq_error, irq_event, clk_rate, rise_time, fall_time; ++ u32 clk_rate, rise_time, fall_time; + struct i2c_adapter *adap; + struct reset_control *rst; + dma_addr_t phy_addr; +- int ret; ++ int irq_error, irq_event, ret; + + i2c_dev = devm_kzalloc(&pdev->dev, sizeof(*i2c_dev), GFP_KERNEL); + if (!i2c_dev) +@@ -1802,16 +1800,20 @@ static int stm32f7_i2c_probe(struct platform_device *pdev) + return PTR_ERR(i2c_dev->base); + phy_addr = (dma_addr_t)res->start; + +- irq_event = irq_of_parse_and_map(np, 0); +- if (!irq_event) { +- dev_err(&pdev->dev, "IRQ event missing or invalid\n"); +- return -EINVAL; ++ irq_event = platform_get_irq(pdev, 0); ++ if (irq_event <= 0) { ++ if (irq_event != -EPROBE_DEFER) ++ dev_err(&pdev->dev, "Failed to get IRQ event: %d\n", ++ irq_event); ++ return irq_event ? : -ENOENT; + } + +- irq_error = irq_of_parse_and_map(np, 1); +- if (!irq_error) { +- dev_err(&pdev->dev, "IRQ error missing or invalid\n"); +- return -EINVAL; ++ irq_error = platform_get_irq(pdev, 1); ++ if (irq_error <= 0) { ++ if (irq_error != -EPROBE_DEFER) ++ dev_err(&pdev->dev, "Failed to get IRQ error: %d\n", ++ irq_error); ++ return irq_error ? : -ENOENT; + } + + i2c_dev->clk = devm_clk_get(&pdev->dev, NULL); +diff --git a/drivers/iio/adc/stm32-dfsdm-adc.c b/drivers/iio/adc/stm32-dfsdm-adc.c +index fcd4a1c00ca0..15a115210108 100644 +--- a/drivers/iio/adc/stm32-dfsdm-adc.c ++++ b/drivers/iio/adc/stm32-dfsdm-adc.c +@@ -1144,6 +1144,12 @@ static int stm32_dfsdm_adc_probe(struct platform_device *pdev) + * So IRQ associated to filter instance 0 is dedicated to the Filter 0. + */ + irq = platform_get_irq(pdev, 0); ++ if (irq < 0) { ++ if (irq != -EPROBE_DEFER) ++ dev_err(dev, "Failed to get IRQ: %d\n", irq); ++ return irq; ++ } ++ + ret = devm_request_irq(dev, irq, stm32_dfsdm_irq, + 0, pdev->name, adc); + if (ret < 0) { +diff --git a/drivers/iio/adc/stm32-dfsdm-core.c b/drivers/iio/adc/stm32-dfsdm-core.c +index bf089f5d6225..941630615e88 100644 +--- a/drivers/iio/adc/stm32-dfsdm-core.c ++++ b/drivers/iio/adc/stm32-dfsdm-core.c +@@ -213,6 +213,8 @@ static int stm32_dfsdm_parse_of(struct platform_device *pdev, + } + priv->dfsdm.phys_base = res->start; + priv->dfsdm.base = devm_ioremap_resource(&pdev->dev, res); ++ if (IS_ERR(priv->dfsdm.base)) ++ return PTR_ERR(priv->dfsdm.base); + + /* + * "dfsdm" clock is mandatory for DFSDM peripheral clocking. +@@ -222,8 +224,10 @@ static int stm32_dfsdm_parse_of(struct platform_device *pdev, + */ + priv->clk = devm_clk_get(&pdev->dev, "dfsdm"); + if (IS_ERR(priv->clk)) { +- dev_err(&pdev->dev, "No stm32_dfsdm_clk clock found\n"); +- return -EINVAL; ++ ret = PTR_ERR(priv->clk); ++ if (ret != -EPROBE_DEFER) ++ dev_err(&pdev->dev, "Failed to get clock (%d)\n", ret); ++ return ret; + } + + priv->aclk = devm_clk_get(&pdev->dev, "audio"); +diff --git a/drivers/infiniband/hw/i40iw/i40iw_verbs.c b/drivers/infiniband/hw/i40iw/i40iw_verbs.c +index e2e6c74a7452..a5e3349b8a7c 100644 +--- a/drivers/infiniband/hw/i40iw/i40iw_verbs.c ++++ b/drivers/infiniband/hw/i40iw/i40iw_verbs.c +@@ -806,6 +806,8 @@ static int i40iw_query_qp(struct ib_qp *ibqp, + struct i40iw_qp *iwqp = to_iwqp(ibqp); + struct i40iw_sc_qp *qp = &iwqp->sc_qp; + ++ attr->qp_state = iwqp->ibqp_state; ++ attr->cur_qp_state = attr->qp_state; + attr->qp_access_flags = 0; + attr->cap.max_send_wr = qp->qp_uk.sq_size; + attr->cap.max_recv_wr = qp->qp_uk.rq_size; +diff --git a/drivers/infiniband/hw/mlx5/mad.c b/drivers/infiniband/hw/mlx5/mad.c +index 32a9e9228b13..cdf6e26ebc87 100644 +--- a/drivers/infiniband/hw/mlx5/mad.c ++++ b/drivers/infiniband/hw/mlx5/mad.c +@@ -197,19 +197,33 @@ static void pma_cnt_assign(struct ib_pma_portcounters *pma_cnt, + vl_15_dropped); + } + +-static int process_pma_cmd(struct mlx5_core_dev *mdev, u8 port_num, ++static int process_pma_cmd(struct mlx5_ib_dev *dev, u8 port_num, + const struct ib_mad *in_mad, struct ib_mad *out_mad) + { +- int err; ++ struct mlx5_core_dev *mdev; ++ bool native_port = true; ++ u8 mdev_port_num; + void *out_cnt; ++ int err; + ++ mdev = mlx5_ib_get_native_port_mdev(dev, port_num, &mdev_port_num); ++ if (!mdev) { ++ /* Fail to get the native port, likely due to 2nd port is still ++ * unaffiliated. In such case default to 1st port and attached ++ * PF device. ++ */ ++ native_port = false; ++ mdev = dev->mdev; ++ mdev_port_num = 1; ++ } + /* Declaring support of extended counters */ + if (in_mad->mad_hdr.attr_id == IB_PMA_CLASS_PORT_INFO) { + struct ib_class_port_info cpi = {}; + + cpi.capability_mask = IB_PMA_CLASS_CAP_EXT_WIDTH; + memcpy((out_mad->data + 40), &cpi, sizeof(cpi)); +- return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY; ++ err = IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY; ++ goto done; + } + + if (in_mad->mad_hdr.attr_id == IB_PMA_PORT_COUNTERS_EXT) { +@@ -218,11 +232,13 @@ static int process_pma_cmd(struct mlx5_core_dev *mdev, u8 port_num, + int sz = MLX5_ST_SZ_BYTES(query_vport_counter_out); + + out_cnt = kvzalloc(sz, GFP_KERNEL); +- if (!out_cnt) +- return IB_MAD_RESULT_FAILURE; ++ if (!out_cnt) { ++ err = IB_MAD_RESULT_FAILURE; ++ goto done; ++ } + + err = mlx5_core_query_vport_counter(mdev, 0, 0, +- port_num, out_cnt, sz); ++ mdev_port_num, out_cnt, sz); + if (!err) + pma_cnt_ext_assign(pma_cnt_ext, out_cnt); + } else { +@@ -231,20 +247,23 @@ static int process_pma_cmd(struct mlx5_core_dev *mdev, u8 port_num, + int sz = MLX5_ST_SZ_BYTES(ppcnt_reg); + + out_cnt = kvzalloc(sz, GFP_KERNEL); +- if (!out_cnt) +- return IB_MAD_RESULT_FAILURE; ++ if (!out_cnt) { ++ err = IB_MAD_RESULT_FAILURE; ++ goto done; ++ } + +- err = mlx5_core_query_ib_ppcnt(mdev, port_num, ++ err = mlx5_core_query_ib_ppcnt(mdev, mdev_port_num, + out_cnt, sz); + if (!err) + pma_cnt_assign(pma_cnt, out_cnt); +- } +- ++ } + kvfree(out_cnt); +- if (err) +- return IB_MAD_RESULT_FAILURE; +- +- return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY; ++ err = err ? IB_MAD_RESULT_FAILURE : ++ IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY; ++done: ++ if (native_port) ++ mlx5_ib_put_native_port_mdev(dev, port_num); ++ return err; + } + + int mlx5_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, +@@ -256,8 +275,6 @@ int mlx5_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, + struct mlx5_ib_dev *dev = to_mdev(ibdev); + const struct ib_mad *in_mad = (const struct ib_mad *)in; + struct ib_mad *out_mad = (struct ib_mad *)out; +- struct mlx5_core_dev *mdev; +- u8 mdev_port_num; + int ret; + + if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) || +@@ -266,19 +283,14 @@ int mlx5_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, + + memset(out_mad->data, 0, sizeof(out_mad->data)); + +- mdev = mlx5_ib_get_native_port_mdev(dev, port_num, &mdev_port_num); +- if (!mdev) +- return IB_MAD_RESULT_FAILURE; +- +- if (MLX5_CAP_GEN(mdev, vport_counters) && ++ if (MLX5_CAP_GEN(dev->mdev, vport_counters) && + in_mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_PERF_MGMT && + in_mad->mad_hdr.method == IB_MGMT_METHOD_GET) { +- ret = process_pma_cmd(mdev, mdev_port_num, in_mad, out_mad); ++ ret = process_pma_cmd(dev, port_num, in_mad, out_mad); + } else { + ret = process_mad(ibdev, mad_flags, port_num, in_wc, in_grh, + in_mad, out_mad); + } +- mlx5_ib_put_native_port_mdev(dev, port_num); + return ret; + } + +diff --git a/drivers/infiniband/sw/rxe/rxe_resp.c b/drivers/infiniband/sw/rxe/rxe_resp.c +index 4111b798fd3c..681d8e0913d0 100644 +--- a/drivers/infiniband/sw/rxe/rxe_resp.c ++++ b/drivers/infiniband/sw/rxe/rxe_resp.c +@@ -435,6 +435,7 @@ static enum resp_states check_rkey(struct rxe_qp *qp, + qp->resp.va = reth_va(pkt); + qp->resp.rkey = reth_rkey(pkt); + qp->resp.resid = reth_len(pkt); ++ qp->resp.length = reth_len(pkt); + } + access = (pkt->mask & RXE_READ_MASK) ? IB_ACCESS_REMOTE_READ + : IB_ACCESS_REMOTE_WRITE; +@@ -859,7 +860,9 @@ static enum resp_states do_complete(struct rxe_qp *qp, + pkt->mask & RXE_WRITE_MASK) ? + IB_WC_RECV_RDMA_WITH_IMM : IB_WC_RECV; + wc->vendor_err = 0; +- wc->byte_len = wqe->dma.length - wqe->dma.resid; ++ wc->byte_len = (pkt->mask & RXE_IMMDT_MASK && ++ pkt->mask & RXE_WRITE_MASK) ? ++ qp->resp.length : wqe->dma.length - wqe->dma.resid; + + /* fields after byte_len are different between kernel and user + * space +diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.h b/drivers/infiniband/sw/rxe/rxe_verbs.h +index 332a16dad2a7..3b731c7682e5 100644 +--- a/drivers/infiniband/sw/rxe/rxe_verbs.h ++++ b/drivers/infiniband/sw/rxe/rxe_verbs.h +@@ -212,6 +212,7 @@ struct rxe_resp_info { + struct rxe_mem *mr; + u32 resid; + u32 rkey; ++ u32 length; + u64 atomic_orig; + + /* SRQ only */ +diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c +index 009615499b37..78dd36daac00 100644 +--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c ++++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c +@@ -1892,12 +1892,6 @@ static void ipoib_child_init(struct net_device *ndev) + struct ipoib_dev_priv *priv = ipoib_priv(ndev); + struct ipoib_dev_priv *ppriv = ipoib_priv(priv->parent); + +- dev_hold(priv->parent); +- +- down_write(&ppriv->vlan_rwsem); +- list_add_tail(&priv->list, &ppriv->child_intfs); +- up_write(&ppriv->vlan_rwsem); +- + priv->max_ib_mtu = ppriv->max_ib_mtu; + set_bit(IPOIB_FLAG_SUBINTERFACE, &priv->flags); + memcpy(priv->dev->dev_addr, ppriv->dev->dev_addr, INFINIBAND_ALEN); +@@ -1940,6 +1934,17 @@ static int ipoib_ndo_init(struct net_device *ndev) + if (rc) { + pr_warn("%s: failed to initialize device: %s port %d (ret = %d)\n", + priv->ca->name, priv->dev->name, priv->port, rc); ++ return rc; ++ } ++ ++ if (priv->parent) { ++ struct ipoib_dev_priv *ppriv = ipoib_priv(priv->parent); ++ ++ dev_hold(priv->parent); ++ ++ down_write(&ppriv->vlan_rwsem); ++ list_add_tail(&priv->list, &ppriv->child_intfs); ++ up_write(&ppriv->vlan_rwsem); + } + + return 0; +@@ -1957,6 +1962,14 @@ static void ipoib_ndo_uninit(struct net_device *dev) + */ + WARN_ON(!list_empty(&priv->child_intfs)); + ++ if (priv->parent) { ++ struct ipoib_dev_priv *ppriv = ipoib_priv(priv->parent); ++ ++ down_write(&ppriv->vlan_rwsem); ++ list_del(&priv->list); ++ up_write(&ppriv->vlan_rwsem); ++ } ++ + ipoib_neigh_hash_uninit(dev); + + ipoib_ib_dev_cleanup(dev); +@@ -1968,15 +1981,8 @@ static void ipoib_ndo_uninit(struct net_device *dev) + priv->wq = NULL; + } + +- if (priv->parent) { +- struct ipoib_dev_priv *ppriv = ipoib_priv(priv->parent); +- +- down_write(&ppriv->vlan_rwsem); +- list_del(&priv->list); +- up_write(&ppriv->vlan_rwsem); +- ++ if (priv->parent) + dev_put(priv->parent); +- } + } + + static int ipoib_set_vf_link_state(struct net_device *dev, int vf, int link_state) +diff --git a/drivers/mailbox/mailbox.c b/drivers/mailbox/mailbox.c +index 674b35f402f5..055c90b8253c 100644 +--- a/drivers/mailbox/mailbox.c ++++ b/drivers/mailbox/mailbox.c +@@ -391,11 +391,13 @@ struct mbox_chan *mbox_request_channel_byname(struct mbox_client *cl, + + of_property_for_each_string(np, "mbox-names", prop, mbox_name) { + if (!strncmp(name, mbox_name, strlen(name))) +- break; ++ return mbox_request_channel(cl, index); + index++; + } + +- return mbox_request_channel(cl, index); ++ dev_err(cl->dev, "%s() could not locate channel named \"%s\"\n", ++ __func__, name); ++ return ERR_PTR(-EINVAL); + } + EXPORT_SYMBOL_GPL(mbox_request_channel_byname); + +diff --git a/drivers/memstick/core/memstick.c b/drivers/memstick/core/memstick.c +index 1246d69ba187..b1564cacd19e 100644 +--- a/drivers/memstick/core/memstick.c ++++ b/drivers/memstick/core/memstick.c +@@ -629,13 +629,18 @@ static int __init memstick_init(void) + return -ENOMEM; + + rc = bus_register(&memstick_bus_type); +- if (!rc) +- rc = class_register(&memstick_host_class); ++ if (rc) ++ goto error_destroy_workqueue; + +- if (!rc) +- return 0; ++ rc = class_register(&memstick_host_class); ++ if (rc) ++ goto error_bus_unregister; ++ ++ return 0; + ++error_bus_unregister: + bus_unregister(&memstick_bus_type); ++error_destroy_workqueue: + destroy_workqueue(workqueue); + + return rc; +diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c +index 5f1e37d23943..47d6d40f41cd 100644 +--- a/drivers/mfd/arizona-core.c ++++ b/drivers/mfd/arizona-core.c +@@ -996,7 +996,7 @@ int arizona_dev_init(struct arizona *arizona) + unsigned int reg, val; + int (*apply_patch)(struct arizona *) = NULL; + const struct mfd_cell *subdevs = NULL; +- int n_subdevs, ret, i; ++ int n_subdevs = 0, ret, i; + + dev_set_drvdata(arizona->dev, arizona); + mutex_init(&arizona->clk_lock); +diff --git a/drivers/mfd/hi655x-pmic.c b/drivers/mfd/hi655x-pmic.c +index 96c07fa1802a..6693f74aa6ab 100644 +--- a/drivers/mfd/hi655x-pmic.c ++++ b/drivers/mfd/hi655x-pmic.c +@@ -112,6 +112,8 @@ static int hi655x_pmic_probe(struct platform_device *pdev) + + pmic->regmap = devm_regmap_init_mmio_clk(dev, NULL, base, + &hi655x_regmap_config); ++ if (IS_ERR(pmic->regmap)) ++ return PTR_ERR(pmic->regmap); + + regmap_read(pmic->regmap, HI655X_BUS_ADDR(HI655X_VER_REG), &pmic->ver); + if ((pmic->ver < PMU_VER_START) || (pmic->ver > PMU_VER_END)) { +diff --git a/drivers/mfd/madera-core.c b/drivers/mfd/madera-core.c +index 8cfea969b060..45c7d8b97349 100644 +--- a/drivers/mfd/madera-core.c ++++ b/drivers/mfd/madera-core.c +@@ -278,6 +278,7 @@ const struct of_device_id madera_of_match[] = { + { .compatible = "cirrus,wm1840", .data = (void *)WM1840 }, + {} + }; ++MODULE_DEVICE_TABLE(of, madera_of_match); + EXPORT_SYMBOL_GPL(madera_of_match); + + static int madera_get_reset_gpio(struct madera *madera) +diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c +index 94e3f32ce935..182973df1aed 100644 +--- a/drivers/mfd/mfd-core.c ++++ b/drivers/mfd/mfd-core.c +@@ -179,6 +179,7 @@ static int mfd_add_device(struct device *parent, int id, + for_each_child_of_node(parent->of_node, np) { + if (of_device_is_compatible(np, cell->of_compatible)) { + pdev->dev.of_node = np; ++ pdev->dev.fwnode = &np->fwnode; + break; + } + } +diff --git a/drivers/misc/mei/hw-me-regs.h b/drivers/misc/mei/hw-me-regs.h +index bb1ee9834a02..225373e4a9ef 100644 +--- a/drivers/misc/mei/hw-me-regs.h ++++ b/drivers/misc/mei/hw-me-regs.h +@@ -141,6 +141,9 @@ + + #define MEI_DEV_ID_ICP_LP 0x34E0 /* Ice Lake Point LP */ + ++#define MEI_DEV_ID_MCC 0x4B70 /* Mule Creek Canyon (EHL) */ ++#define MEI_DEV_ID_MCC_4 0x4B75 /* Mule Creek Canyon 4 (EHL) */ ++ + /* + * MEI HW Section + */ +diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c +index 4299658d48d6..a66ebceea408 100644 +--- a/drivers/misc/mei/pci-me.c ++++ b/drivers/misc/mei/pci-me.c +@@ -107,6 +107,9 @@ static const struct pci_device_id mei_me_pci_tbl[] = { + + {MEI_PCI_DEVICE(MEI_DEV_ID_ICP_LP, MEI_ME_PCH12_CFG)}, + ++ {MEI_PCI_DEVICE(MEI_DEV_ID_MCC, MEI_ME_PCH12_CFG)}, ++ {MEI_PCI_DEVICE(MEI_DEV_ID_MCC_4, MEI_ME_PCH8_CFG)}, ++ + /* required last entry */ + {0, } + }; +diff --git a/drivers/mmc/host/sdhci-pci-o2micro.c b/drivers/mmc/host/sdhci-pci-o2micro.c +index fa8d9da2ab7f..e248d7945c06 100644 +--- a/drivers/mmc/host/sdhci-pci-o2micro.c ++++ b/drivers/mmc/host/sdhci-pci-o2micro.c +@@ -290,11 +290,21 @@ int sdhci_pci_o2_probe_slot(struct sdhci_pci_slot *slot) + { + struct sdhci_pci_chip *chip; + struct sdhci_host *host; +- u32 reg; ++ u32 reg, caps; + int ret; + + chip = slot->chip; + host = slot->host; ++ ++ caps = sdhci_readl(host, SDHCI_CAPABILITIES); ++ ++ /* ++ * mmc_select_bus_width() will test the bus to determine the actual bus ++ * width. ++ */ ++ if (caps & SDHCI_CAN_DO_8BIT) ++ host->mmc->caps |= MMC_CAP_8_BIT_DATA; ++ + switch (chip->pdev->device) { + case PCI_DEVICE_ID_O2_SDS0: + case PCI_DEVICE_ID_O2_SEABIRD0: +diff --git a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c +index d97e0d7e541a..b766362031c3 100644 +--- a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c ++++ b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c +@@ -1065,14 +1065,12 @@ static void cudbg_t4_fwcache(struct cudbg_init *pdbg_init, + } + } + +-static int cudbg_collect_mem_region(struct cudbg_init *pdbg_init, +- struct cudbg_buffer *dbg_buff, +- struct cudbg_error *cudbg_err, +- u8 mem_type) ++static unsigned long cudbg_mem_region_size(struct cudbg_init *pdbg_init, ++ struct cudbg_error *cudbg_err, ++ u8 mem_type) + { + struct adapter *padap = pdbg_init->adap; + struct cudbg_meminfo mem_info; +- unsigned long size; + u8 mc_idx; + int rc; + +@@ -1086,7 +1084,16 @@ static int cudbg_collect_mem_region(struct cudbg_init *pdbg_init, + if (rc) + return rc; + +- size = mem_info.avail[mc_idx].limit - mem_info.avail[mc_idx].base; ++ return mem_info.avail[mc_idx].limit - mem_info.avail[mc_idx].base; ++} ++ ++static int cudbg_collect_mem_region(struct cudbg_init *pdbg_init, ++ struct cudbg_buffer *dbg_buff, ++ struct cudbg_error *cudbg_err, ++ u8 mem_type) ++{ ++ unsigned long size = cudbg_mem_region_size(pdbg_init, cudbg_err, mem_type); ++ + return cudbg_read_fw_mem(pdbg_init, dbg_buff, mem_type, size, + cudbg_err); + } +diff --git a/drivers/nvdimm/bus.c b/drivers/nvdimm/bus.c +index a3132a9eb91c..ee39e2c1644a 100644 +--- a/drivers/nvdimm/bus.c ++++ b/drivers/nvdimm/bus.c +@@ -86,7 +86,7 @@ static void nvdimm_bus_probe_end(struct nvdimm_bus *nvdimm_bus) + { + nvdimm_bus_lock(&nvdimm_bus->dev); + if (--nvdimm_bus->probe_active == 0) +- wake_up(&nvdimm_bus->probe_wait); ++ wake_up(&nvdimm_bus->wait); + nvdimm_bus_unlock(&nvdimm_bus->dev); + } + +@@ -348,7 +348,7 @@ struct nvdimm_bus *nvdimm_bus_register(struct device *parent, + return NULL; + INIT_LIST_HEAD(&nvdimm_bus->list); + INIT_LIST_HEAD(&nvdimm_bus->mapping_list); +- init_waitqueue_head(&nvdimm_bus->probe_wait); ++ init_waitqueue_head(&nvdimm_bus->wait); + nvdimm_bus->id = ida_simple_get(&nd_ida, 0, 0, GFP_KERNEL); + mutex_init(&nvdimm_bus->reconfig_mutex); + badrange_init(&nvdimm_bus->badrange); +@@ -418,6 +418,9 @@ static int nd_bus_remove(struct device *dev) + list_del_init(&nvdimm_bus->list); + mutex_unlock(&nvdimm_bus_list_mutex); + ++ wait_event(nvdimm_bus->wait, ++ atomic_read(&nvdimm_bus->ioctl_active) == 0); ++ + nd_synchronize(); + device_for_each_child(&nvdimm_bus->dev, NULL, child_unregister); + +@@ -838,7 +841,7 @@ void wait_nvdimm_bus_probe_idle(struct device *dev) + if (nvdimm_bus->probe_active == 0) + break; + nvdimm_bus_unlock(&nvdimm_bus->dev); +- wait_event(nvdimm_bus->probe_wait, ++ wait_event(nvdimm_bus->wait, + nvdimm_bus->probe_active == 0); + nvdimm_bus_lock(&nvdimm_bus->dev); + } while (true); +@@ -1068,24 +1071,10 @@ static int __nd_ioctl(struct nvdimm_bus *nvdimm_bus, struct nvdimm *nvdimm, + return rc; + } + +-static long nd_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +-{ +- long id = (long) file->private_data; +- int rc = -ENXIO, ro; +- struct nvdimm_bus *nvdimm_bus; +- +- ro = ((file->f_flags & O_ACCMODE) == O_RDONLY); +- mutex_lock(&nvdimm_bus_list_mutex); +- list_for_each_entry(nvdimm_bus, &nvdimm_bus_list, list) { +- if (nvdimm_bus->id == id) { +- rc = __nd_ioctl(nvdimm_bus, NULL, ro, cmd, arg); +- break; +- } +- } +- mutex_unlock(&nvdimm_bus_list_mutex); +- +- return rc; +-} ++enum nd_ioctl_mode { ++ BUS_IOCTL, ++ DIMM_IOCTL, ++}; + + static int match_dimm(struct device *dev, void *data) + { +@@ -1100,31 +1089,62 @@ static int match_dimm(struct device *dev, void *data) + return 0; + } + +-static long nvdimm_ioctl(struct file *file, unsigned int cmd, unsigned long arg) ++static long nd_ioctl(struct file *file, unsigned int cmd, unsigned long arg, ++ enum nd_ioctl_mode mode) ++ + { +- int rc = -ENXIO, ro; +- struct nvdimm_bus *nvdimm_bus; ++ struct nvdimm_bus *nvdimm_bus, *found = NULL; ++ long id = (long) file->private_data; ++ struct nvdimm *nvdimm = NULL; ++ int rc, ro; + + ro = ((file->f_flags & O_ACCMODE) == O_RDONLY); + mutex_lock(&nvdimm_bus_list_mutex); + list_for_each_entry(nvdimm_bus, &nvdimm_bus_list, list) { +- struct device *dev = device_find_child(&nvdimm_bus->dev, +- file->private_data, match_dimm); +- struct nvdimm *nvdimm; +- +- if (!dev) +- continue; ++ if (mode == DIMM_IOCTL) { ++ struct device *dev; ++ ++ dev = device_find_child(&nvdimm_bus->dev, ++ file->private_data, match_dimm); ++ if (!dev) ++ continue; ++ nvdimm = to_nvdimm(dev); ++ found = nvdimm_bus; ++ } else if (nvdimm_bus->id == id) { ++ found = nvdimm_bus; ++ } + +- nvdimm = to_nvdimm(dev); +- rc = __nd_ioctl(nvdimm_bus, nvdimm, ro, cmd, arg); +- put_device(dev); +- break; ++ if (found) { ++ atomic_inc(&nvdimm_bus->ioctl_active); ++ break; ++ } + } + mutex_unlock(&nvdimm_bus_list_mutex); + ++ if (!found) ++ return -ENXIO; ++ ++ nvdimm_bus = found; ++ rc = __nd_ioctl(nvdimm_bus, nvdimm, ro, cmd, arg); ++ ++ if (nvdimm) ++ put_device(&nvdimm->dev); ++ if (atomic_dec_and_test(&nvdimm_bus->ioctl_active)) ++ wake_up(&nvdimm_bus->wait); ++ + return rc; + } + ++static long bus_ioctl(struct file *file, unsigned int cmd, unsigned long arg) ++{ ++ return nd_ioctl(file, cmd, arg, BUS_IOCTL); ++} ++ ++static long dimm_ioctl(struct file *file, unsigned int cmd, unsigned long arg) ++{ ++ return nd_ioctl(file, cmd, arg, DIMM_IOCTL); ++} ++ + static int nd_open(struct inode *inode, struct file *file) + { + long minor = iminor(inode); +@@ -1136,16 +1156,16 @@ static int nd_open(struct inode *inode, struct file *file) + static const struct file_operations nvdimm_bus_fops = { + .owner = THIS_MODULE, + .open = nd_open, +- .unlocked_ioctl = nd_ioctl, +- .compat_ioctl = nd_ioctl, ++ .unlocked_ioctl = bus_ioctl, ++ .compat_ioctl = bus_ioctl, + .llseek = noop_llseek, + }; + + static const struct file_operations nvdimm_fops = { + .owner = THIS_MODULE, + .open = nd_open, +- .unlocked_ioctl = nvdimm_ioctl, +- .compat_ioctl = nvdimm_ioctl, ++ .unlocked_ioctl = dimm_ioctl, ++ .compat_ioctl = dimm_ioctl, + .llseek = noop_llseek, + }; + +diff --git a/drivers/nvdimm/nd-core.h b/drivers/nvdimm/nd-core.h +index 5ff254dc9b14..adf62a6c0fe2 100644 +--- a/drivers/nvdimm/nd-core.h ++++ b/drivers/nvdimm/nd-core.h +@@ -25,10 +25,11 @@ extern int nvdimm_major; + + struct nvdimm_bus { + struct nvdimm_bus_descriptor *nd_desc; +- wait_queue_head_t probe_wait; ++ wait_queue_head_t wait; + struct list_head list; + struct device dev; + int id, probe_active; ++ atomic_t ioctl_active; + struct list_head mapping_list; + struct mutex reconfig_mutex; + struct badrange badrange; +diff --git a/drivers/pci/controller/dwc/pci-dra7xx.c b/drivers/pci/controller/dwc/pci-dra7xx.c +index a32d6dde7a57..412524aa1fde 100644 +--- a/drivers/pci/controller/dwc/pci-dra7xx.c ++++ b/drivers/pci/controller/dwc/pci-dra7xx.c +@@ -26,6 +26,7 @@ + #include <linux/types.h> + #include <linux/mfd/syscon.h> + #include <linux/regmap.h> ++#include <linux/gpio/consumer.h> + + #include "../../pci.h" + #include "pcie-designware.h" +diff --git a/drivers/pci/controller/pcie-mobiveil.c b/drivers/pci/controller/pcie-mobiveil.c +index a939e8d31735..a2d1e89d4867 100644 +--- a/drivers/pci/controller/pcie-mobiveil.c ++++ b/drivers/pci/controller/pcie-mobiveil.c +@@ -508,6 +508,12 @@ static int mobiveil_host_init(struct mobiveil_pcie *pcie) + return err; + } + ++ /* setup bus numbers */ ++ value = csr_readl(pcie, PCI_PRIMARY_BUS); ++ value &= 0xff000000; ++ value |= 0x00ff0100; ++ csr_writel(pcie, value, PCI_PRIMARY_BUS); ++ + /* + * program Bus Master Enable Bit in Command Register in PAB Config + * Space +@@ -547,7 +553,7 @@ static int mobiveil_host_init(struct mobiveil_pcie *pcie) + resource_size(pcie->ob_io_res)); + + /* memory inbound translation window */ +- program_ib_windows(pcie, WIN_NUM_1, 0, MEM_WINDOW_TYPE, IB_WIN_SIZE); ++ program_ib_windows(pcie, WIN_NUM_0, 0, MEM_WINDOW_TYPE, IB_WIN_SIZE); + + /* Get the I/O and memory ranges from DT */ + resource_list_for_each_entry_safe(win, tmp, &pcie->resources) { +@@ -559,11 +565,18 @@ static int mobiveil_host_init(struct mobiveil_pcie *pcie) + if (type) { + /* configure outbound translation window */ + program_ob_windows(pcie, pcie->ob_wins_configured, +- win->res->start, 0, type, +- resource_size(win->res)); ++ win->res->start, ++ win->res->start - win->offset, ++ type, resource_size(win->res)); + } + } + ++ /* fixup for PCIe class register */ ++ value = csr_readl(pcie, PAB_INTP_AXI_PIO_CLASS); ++ value &= 0xff; ++ value |= (PCI_CLASS_BRIDGE_PCI << 16); ++ csr_writel(pcie, value, PAB_INTP_AXI_PIO_CLASS); ++ + /* setup MSI hardware registers */ + mobiveil_pcie_enable_msi(pcie); + +@@ -804,9 +817,6 @@ static int mobiveil_pcie_probe(struct platform_device *pdev) + goto error; + } + +- /* fixup for PCIe class register */ +- csr_writel(pcie, 0x060402ab, PAB_INTP_AXI_PIO_CLASS); +- + /* initialize the IRQ domains */ + ret = mobiveil_pcie_init_irq_domain(pcie); + if (ret) { +diff --git a/drivers/pci/controller/pcie-xilinx-nwl.c b/drivers/pci/controller/pcie-xilinx-nwl.c +index fb32840ce8e6..4850a1b8eec1 100644 +--- a/drivers/pci/controller/pcie-xilinx-nwl.c ++++ b/drivers/pci/controller/pcie-xilinx-nwl.c +@@ -483,15 +483,13 @@ static int nwl_irq_domain_alloc(struct irq_domain *domain, unsigned int virq, + int i; + + mutex_lock(&msi->lock); +- bit = bitmap_find_next_zero_area(msi->bitmap, INT_PCI_MSI_NR, 0, +- nr_irqs, 0); +- if (bit >= INT_PCI_MSI_NR) { ++ bit = bitmap_find_free_region(msi->bitmap, INT_PCI_MSI_NR, ++ get_count_order(nr_irqs)); ++ if (bit < 0) { + mutex_unlock(&msi->lock); + return -ENOSPC; + } + +- bitmap_set(msi->bitmap, bit, nr_irqs); +- + for (i = 0; i < nr_irqs; i++) { + irq_domain_set_info(domain, virq + i, bit + i, &nwl_irq_chip, + domain->host_data, handle_simple_irq, +@@ -509,7 +507,8 @@ static void nwl_irq_domain_free(struct irq_domain *domain, unsigned int virq, + struct nwl_msi *msi = &pcie->msi; + + mutex_lock(&msi->lock); +- bitmap_clear(msi->bitmap, data->hwirq, nr_irqs); ++ bitmap_release_region(msi->bitmap, data->hwirq, ++ get_count_order(nr_irqs)); + mutex_unlock(&msi->lock); + } + +diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c +index 33f3f475e5c6..956ee7527d2c 100644 +--- a/drivers/pci/pci-driver.c ++++ b/drivers/pci/pci-driver.c +@@ -414,6 +414,9 @@ static int pci_device_probe(struct device *dev) + struct pci_dev *pci_dev = to_pci_dev(dev); + struct pci_driver *drv = to_pci_driver(dev->driver); + ++ if (!pci_device_can_probe(pci_dev)) ++ return -ENODEV; ++ + pci_assign_irq(pci_dev); + + error = pcibios_alloc_irq(pci_dev); +@@ -421,12 +424,10 @@ static int pci_device_probe(struct device *dev) + return error; + + pci_dev_get(pci_dev); +- if (pci_device_can_probe(pci_dev)) { +- error = __pci_device_probe(drv, pci_dev); +- if (error) { +- pcibios_free_irq(pci_dev); +- pci_dev_put(pci_dev); +- } ++ error = __pci_device_probe(drv, pci_dev); ++ if (error) { ++ pcibios_free_irq(pci_dev); ++ pci_dev_put(pci_dev); + } + + return error; +diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c +index 9ecfe13157c0..1edf5a1836ea 100644 +--- a/drivers/pci/pci-sysfs.c ++++ b/drivers/pci/pci-sysfs.c +@@ -478,7 +478,7 @@ static ssize_t remove_store(struct device *dev, struct device_attribute *attr, + pci_stop_and_remove_bus_device_locked(to_pci_dev(dev)); + return count; + } +-static struct device_attribute dev_remove_attr = __ATTR(remove, ++static struct device_attribute dev_remove_attr = __ATTR_IGNORE_LOCKDEP(remove, + (S_IWUSR|S_IWGRP), + NULL, remove_store); + +diff --git a/drivers/phy/renesas/phy-rcar-gen2.c b/drivers/phy/renesas/phy-rcar-gen2.c +index 97d4dd6ea924..aa02b19b7e0e 100644 +--- a/drivers/phy/renesas/phy-rcar-gen2.c ++++ b/drivers/phy/renesas/phy-rcar-gen2.c +@@ -288,6 +288,7 @@ static int rcar_gen2_phy_probe(struct platform_device *pdev) + error = of_property_read_u32(np, "reg", &channel_num); + if (error || channel_num > 2) { + dev_err(dev, "Invalid \"reg\" property\n"); ++ of_node_put(np); + return error; + } + channel->select_mask = select_mask[channel_num]; +@@ -303,6 +304,7 @@ static int rcar_gen2_phy_probe(struct platform_device *pdev) + &rcar_gen2_phy_ops); + if (IS_ERR(phy->phy)) { + dev_err(dev, "Failed to create PHY\n"); ++ of_node_put(np); + return PTR_ERR(phy->phy); + } + phy_set_drvdata(phy->phy, phy); +diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c +index f4a61429e06e..8d83817935da 100644 +--- a/drivers/pinctrl/pinctrl-rockchip.c ++++ b/drivers/pinctrl/pinctrl-rockchip.c +@@ -3172,6 +3172,7 @@ static int rockchip_get_bank_data(struct rockchip_pin_bank *bank, + base, + &rockchip_regmap_config); + } ++ of_node_put(node); + } + + bank->irq = irq_of_parse_and_map(bank->of_node, 0); +diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c +index ccafcc2c87ac..70433f756d8e 100644 +--- a/drivers/staging/vt6656/main_usb.c ++++ b/drivers/staging/vt6656/main_usb.c +@@ -402,16 +402,19 @@ static void vnt_free_int_bufs(struct vnt_private *priv) + kfree(priv->int_buf.data_buf); + } + +-static bool vnt_alloc_bufs(struct vnt_private *priv) ++static int vnt_alloc_bufs(struct vnt_private *priv) + { ++ int ret = 0; + struct vnt_usb_send_context *tx_context; + struct vnt_rcb *rcb; + int ii; + + for (ii = 0; ii < priv->num_tx_context; ii++) { + tx_context = kmalloc(sizeof(*tx_context), GFP_KERNEL); +- if (!tx_context) ++ if (!tx_context) { ++ ret = -ENOMEM; + goto free_tx; ++ } + + priv->tx_context[ii] = tx_context; + tx_context->priv = priv; +@@ -419,16 +422,20 @@ static bool vnt_alloc_bufs(struct vnt_private *priv) + + /* allocate URBs */ + tx_context->urb = usb_alloc_urb(0, GFP_KERNEL); +- if (!tx_context->urb) ++ if (!tx_context->urb) { ++ ret = -ENOMEM; + goto free_tx; ++ } + + tx_context->in_use = false; + } + + for (ii = 0; ii < priv->num_rcb; ii++) { + priv->rcb[ii] = kzalloc(sizeof(*priv->rcb[ii]), GFP_KERNEL); +- if (!priv->rcb[ii]) ++ if (!priv->rcb[ii]) { ++ ret = -ENOMEM; + goto free_rx_tx; ++ } + + rcb = priv->rcb[ii]; + +@@ -436,39 +443,46 @@ static bool vnt_alloc_bufs(struct vnt_private *priv) + + /* allocate URBs */ + rcb->urb = usb_alloc_urb(0, GFP_KERNEL); +- if (!rcb->urb) ++ if (!rcb->urb) { ++ ret = -ENOMEM; + goto free_rx_tx; ++ } + + rcb->skb = dev_alloc_skb(priv->rx_buf_sz); +- if (!rcb->skb) ++ if (!rcb->skb) { ++ ret = -ENOMEM; + goto free_rx_tx; ++ } + + rcb->in_use = false; + + /* submit rx urb */ +- if (vnt_submit_rx_urb(priv, rcb)) ++ ret = vnt_submit_rx_urb(priv, rcb); ++ if (ret) + goto free_rx_tx; + } + + priv->interrupt_urb = usb_alloc_urb(0, GFP_KERNEL); +- if (!priv->interrupt_urb) ++ if (!priv->interrupt_urb) { ++ ret = -ENOMEM; + goto free_rx_tx; ++ } + + priv->int_buf.data_buf = kmalloc(MAX_INTERRUPT_SIZE, GFP_KERNEL); + if (!priv->int_buf.data_buf) { +- usb_free_urb(priv->interrupt_urb); +- goto free_rx_tx; ++ ret = -ENOMEM; ++ goto free_rx_tx_urb; + } + +- return true; ++ return 0; + ++free_rx_tx_urb: ++ usb_free_urb(priv->interrupt_urb); + free_rx_tx: + vnt_free_rx_bufs(priv); +- + free_tx: + vnt_free_tx_bufs(priv); +- +- return false; ++ return ret; + } + + static void vnt_tx_80211(struct ieee80211_hw *hw, +diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c +index e26d87b6ffc5..aa4de6907f77 100644 +--- a/drivers/tty/serial/8250/8250_port.c ++++ b/drivers/tty/serial/8250/8250_port.c +@@ -1874,7 +1874,8 @@ int serial8250_handle_irq(struct uart_port *port, unsigned int iir) + status = serial8250_rx_chars(up, status); + } + serial8250_modem_status(up); +- if ((!up->dma || up->dma->tx_err) && (status & UART_LSR_THRE)) ++ if ((!up->dma || up->dma->tx_err) && (status & UART_LSR_THRE) && ++ (up->ier & UART_IER_THRI)) + serial8250_tx_chars(up); + + spin_unlock_irqrestore(&port->lock, flags); +diff --git a/drivers/tty/serial/cpm_uart/cpm_uart_core.c b/drivers/tty/serial/cpm_uart/cpm_uart_core.c +index e5389591bb4f..ad40c75bb58f 100644 +--- a/drivers/tty/serial/cpm_uart/cpm_uart_core.c ++++ b/drivers/tty/serial/cpm_uart/cpm_uart_core.c +@@ -407,7 +407,16 @@ static int cpm_uart_startup(struct uart_port *port) + clrbits16(&pinfo->sccp->scc_sccm, UART_SCCM_RX); + } + cpm_uart_initbd(pinfo); +- cpm_line_cr_cmd(pinfo, CPM_CR_INIT_TRX); ++ if (IS_SMC(pinfo)) { ++ out_be32(&pinfo->smcup->smc_rstate, 0); ++ out_be32(&pinfo->smcup->smc_tstate, 0); ++ out_be16(&pinfo->smcup->smc_rbptr, ++ in_be16(&pinfo->smcup->smc_rbase)); ++ out_be16(&pinfo->smcup->smc_tbptr, ++ in_be16(&pinfo->smcup->smc_tbase)); ++ } else { ++ cpm_line_cr_cmd(pinfo, CPM_CR_INIT_TRX); ++ } + } + /* Install interrupt handler. */ + retval = request_irq(port->irq, cpm_uart_int, 0, "cpm_uart", port); +@@ -861,16 +870,14 @@ static void cpm_uart_init_smc(struct uart_cpm_port *pinfo) + (u8 __iomem *)pinfo->tx_bd_base - DPRAM_BASE); + + /* +- * In case SMC1 is being relocated... ++ * In case SMC is being relocated... + */ +-#if defined (CONFIG_I2C_SPI_SMC1_UCODE_PATCH) + out_be16(&up->smc_rbptr, in_be16(&pinfo->smcup->smc_rbase)); + out_be16(&up->smc_tbptr, in_be16(&pinfo->smcup->smc_tbase)); + out_be32(&up->smc_rstate, 0); + out_be32(&up->smc_tstate, 0); + out_be16(&up->smc_brkcr, 1); /* number of break chars */ + out_be16(&up->smc_brkec, 0); +-#endif + + /* Set up the uart parameters in the + * parameter ram. +@@ -884,8 +891,6 @@ static void cpm_uart_init_smc(struct uart_cpm_port *pinfo) + out_be16(&up->smc_brkec, 0); + out_be16(&up->smc_brkcr, 1); + +- cpm_line_cr_cmd(pinfo, CPM_CR_INIT_TRX); +- + /* Set UART mode, 8 bit, no parity, one stop. + * Enable receive and transmit. + */ +diff --git a/drivers/tty/serial/digicolor-usart.c b/drivers/tty/serial/digicolor-usart.c +index f460cca139e2..13ac36e2da4f 100644 +--- a/drivers/tty/serial/digicolor-usart.c ++++ b/drivers/tty/serial/digicolor-usart.c +@@ -541,7 +541,11 @@ static int __init digicolor_uart_init(void) + if (ret) + return ret; + +- return platform_driver_register(&digicolor_uart_platform); ++ ret = platform_driver_register(&digicolor_uart_platform); ++ if (ret) ++ uart_unregister_driver(&digicolor_uart); ++ ++ return ret; + } + module_init(digicolor_uart_init); + +diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c +index 0f67197a3783..105de92b0b3b 100644 +--- a/drivers/tty/serial/imx.c ++++ b/drivers/tty/serial/imx.c +@@ -382,6 +382,7 @@ static void imx_uart_ucrs_restore(struct imx_port *sport, + } + #endif + ++/* called with port.lock taken and irqs caller dependent */ + static void imx_uart_rts_active(struct imx_port *sport, u32 *ucr2) + { + *ucr2 &= ~(UCR2_CTSC | UCR2_CTS); +@@ -390,6 +391,7 @@ static void imx_uart_rts_active(struct imx_port *sport, u32 *ucr2) + mctrl_gpio_set(sport->gpios, sport->port.mctrl); + } + ++/* called with port.lock taken and irqs caller dependent */ + static void imx_uart_rts_inactive(struct imx_port *sport, u32 *ucr2) + { + *ucr2 &= ~UCR2_CTSC; +@@ -399,6 +401,7 @@ static void imx_uart_rts_inactive(struct imx_port *sport, u32 *ucr2) + mctrl_gpio_set(sport->gpios, sport->port.mctrl); + } + ++/* called with port.lock taken and irqs caller dependent */ + static void imx_uart_rts_auto(struct imx_port *sport, u32 *ucr2) + { + *ucr2 |= UCR2_CTSC; +@@ -1554,6 +1557,16 @@ imx_uart_set_termios(struct uart_port *port, struct ktermios *termios, + old_csize = CS8; + } + ++ del_timer_sync(&sport->timer); ++ ++ /* ++ * Ask the core to calculate the divisor for us. ++ */ ++ baud = uart_get_baud_rate(port, termios, old, 50, port->uartclk / 16); ++ quot = uart_get_divisor(port, baud); ++ ++ spin_lock_irqsave(&sport->port.lock, flags); ++ + if ((termios->c_cflag & CSIZE) == CS8) + ucr2 = UCR2_WS | UCR2_SRST | UCR2_IRTS; + else +@@ -1597,16 +1610,6 @@ imx_uart_set_termios(struct uart_port *port, struct ktermios *termios, + ucr2 |= UCR2_PROE; + } + +- del_timer_sync(&sport->timer); +- +- /* +- * Ask the core to calculate the divisor for us. +- */ +- baud = uart_get_baud_rate(port, termios, old, 50, port->uartclk / 16); +- quot = uart_get_divisor(port, baud); +- +- spin_lock_irqsave(&sport->port.lock, flags); +- + sport->port.read_status_mask = 0; + if (termios->c_iflag & INPCK) + sport->port.read_status_mask |= (URXD_FRMERR | URXD_PRERR); +diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c +index 38c48a02b920..bd3e6cf81af5 100644 +--- a/drivers/tty/serial/max310x.c ++++ b/drivers/tty/serial/max310x.c +@@ -491,37 +491,48 @@ static bool max310x_reg_precious(struct device *dev, unsigned int reg) + + static int max310x_set_baud(struct uart_port *port, int baud) + { +- unsigned int mode = 0, clk = port->uartclk, div = clk / baud; ++ unsigned int mode = 0, div = 0, frac = 0, c = 0, F = 0; + +- /* Check for minimal value for divider */ +- if (div < 16) +- div = 16; +- +- if (clk % baud && (div / 16) < 0x8000) { ++ /* ++ * Calculate the integer divisor first. Select a proper mode ++ * in case if the requested baud is too high for the pre-defined ++ * clocks frequency. ++ */ ++ div = port->uartclk / baud; ++ if (div < 8) { ++ /* Mode x4 */ ++ c = 4; ++ mode = MAX310X_BRGCFG_4XMODE_BIT; ++ } else if (div < 16) { + /* Mode x2 */ ++ c = 8; + mode = MAX310X_BRGCFG_2XMODE_BIT; +- clk = port->uartclk * 2; +- div = clk / baud; +- +- if (clk % baud && (div / 16) < 0x8000) { +- /* Mode x4 */ +- mode = MAX310X_BRGCFG_4XMODE_BIT; +- clk = port->uartclk * 4; +- div = clk / baud; +- } ++ } else { ++ c = 16; + } + +- max310x_port_write(port, MAX310X_BRGDIVMSB_REG, (div / 16) >> 8); +- max310x_port_write(port, MAX310X_BRGDIVLSB_REG, div / 16); +- max310x_port_write(port, MAX310X_BRGCFG_REG, (div % 16) | mode); ++ /* Calculate the divisor in accordance with the fraction coefficient */ ++ div /= c; ++ F = c*baud; ++ ++ /* Calculate the baud rate fraction */ ++ if (div > 0) ++ frac = (16*(port->uartclk % F)) / F; ++ else ++ div = 1; ++ ++ max310x_port_write(port, MAX310X_BRGDIVMSB_REG, div >> 8); ++ max310x_port_write(port, MAX310X_BRGDIVLSB_REG, div); ++ max310x_port_write(port, MAX310X_BRGCFG_REG, frac | mode); + +- return DIV_ROUND_CLOSEST(clk, div); ++ /* Return the actual baud rate we just programmed */ ++ return (16*port->uartclk) / (c*(16*div + frac)); + } + + static int max310x_update_best_err(unsigned long f, long *besterr) + { + /* Use baudrate 115200 for calculate error */ +- long err = f % (115200 * 16); ++ long err = f % (460800 * 16); + + if ((*besterr < 0) || (*besterr > err)) { + *besterr = err; +diff --git a/drivers/tty/serial/msm_serial.c b/drivers/tty/serial/msm_serial.c +index 0f41b936da03..310bbae515b0 100644 +--- a/drivers/tty/serial/msm_serial.c ++++ b/drivers/tty/serial/msm_serial.c +@@ -383,10 +383,14 @@ no_rx: + + static inline void msm_wait_for_xmitr(struct uart_port *port) + { ++ unsigned int timeout = 500000; ++ + while (!(msm_read(port, UART_SR) & UART_SR_TX_EMPTY)) { + if (msm_read(port, UART_ISR) & UART_ISR_TX_READY) + break; + udelay(1); ++ if (!timeout--) ++ break; + } + msm_write(port, UART_CR_CMD_RESET_TX_READY, UART_CR); + } +diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c +index 8dbeb14a1e3a..fe9261ffe3db 100644 +--- a/drivers/tty/serial/serial_core.c ++++ b/drivers/tty/serial/serial_core.c +@@ -1738,6 +1738,7 @@ static int uart_port_activate(struct tty_port *port, struct tty_struct *tty) + { + struct uart_state *state = container_of(port, struct uart_state, port); + struct uart_port *uport; ++ int ret; + + uport = uart_port_check(state); + if (!uport || uport->flags & UPF_DEAD) +@@ -1748,7 +1749,11 @@ static int uart_port_activate(struct tty_port *port, struct tty_struct *tty) + /* + * Start up the serial port. + */ +- return uart_startup(tty, state, 0); ++ ret = uart_startup(tty, state, 0); ++ if (ret > 0) ++ tty_port_set_active(port, 1); ++ ++ return ret; + } + + static const char *uart_type(struct uart_port *port) +diff --git a/drivers/tty/serial/serial_mctrl_gpio.c b/drivers/tty/serial/serial_mctrl_gpio.c +index 1c06325beaca..07f318603e74 100644 +--- a/drivers/tty/serial/serial_mctrl_gpio.c ++++ b/drivers/tty/serial/serial_mctrl_gpio.c +@@ -12,6 +12,7 @@ + #include <linux/termios.h> + #include <linux/serial_core.h> + #include <linux/module.h> ++#include <linux/property.h> + + #include "serial_mctrl_gpio.h" + +@@ -115,6 +116,19 @@ struct mctrl_gpios *mctrl_gpio_init_noauto(struct device *dev, unsigned int idx) + + for (i = 0; i < UART_GPIO_MAX; i++) { + enum gpiod_flags flags; ++ char *gpio_str; ++ bool present; ++ ++ /* Check if GPIO property exists and continue if not */ ++ gpio_str = kasprintf(GFP_KERNEL, "%s-gpios", ++ mctrl_gpios_desc[i].name); ++ if (!gpio_str) ++ continue; ++ ++ present = device_property_present(dev, gpio_str); ++ kfree(gpio_str); ++ if (!present) ++ continue; + + if (mctrl_gpios_desc[i].dir_out) + flags = GPIOD_OUT_LOW; +diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c +index 040832635a64..5550289e6678 100644 +--- a/drivers/tty/serial/sh-sci.c ++++ b/drivers/tty/serial/sh-sci.c +@@ -1376,6 +1376,7 @@ static void work_fn_tx(struct work_struct *work) + struct circ_buf *xmit = &port->state->xmit; + unsigned long flags; + dma_addr_t buf; ++ int head, tail; + + /* + * DMA is idle now. +@@ -1385,16 +1386,23 @@ static void work_fn_tx(struct work_struct *work) + * consistent xmit buffer state. + */ + spin_lock_irq(&port->lock); +- buf = s->tx_dma_addr + (xmit->tail & (UART_XMIT_SIZE - 1)); ++ head = xmit->head; ++ tail = xmit->tail; ++ buf = s->tx_dma_addr + (tail & (UART_XMIT_SIZE - 1)); + s->tx_dma_len = min_t(unsigned int, +- CIRC_CNT(xmit->head, xmit->tail, UART_XMIT_SIZE), +- CIRC_CNT_TO_END(xmit->head, xmit->tail, UART_XMIT_SIZE)); +- spin_unlock_irq(&port->lock); ++ CIRC_CNT(head, tail, UART_XMIT_SIZE), ++ CIRC_CNT_TO_END(head, tail, UART_XMIT_SIZE)); ++ if (!s->tx_dma_len) { ++ /* Transmit buffer has been flushed */ ++ spin_unlock_irq(&port->lock); ++ return; ++ } + + desc = dmaengine_prep_slave_single(chan, buf, s->tx_dma_len, + DMA_MEM_TO_DEV, + DMA_PREP_INTERRUPT | DMA_CTRL_ACK); + if (!desc) { ++ spin_unlock_irq(&port->lock); + dev_warn(port->dev, "Failed preparing Tx DMA descriptor\n"); + goto switch_to_pio; + } +@@ -1402,18 +1410,18 @@ static void work_fn_tx(struct work_struct *work) + dma_sync_single_for_device(chan->device->dev, buf, s->tx_dma_len, + DMA_TO_DEVICE); + +- spin_lock_irq(&port->lock); + desc->callback = sci_dma_tx_complete; + desc->callback_param = s; +- spin_unlock_irq(&port->lock); + s->cookie_tx = dmaengine_submit(desc); + if (dma_submit_error(s->cookie_tx)) { ++ spin_unlock_irq(&port->lock); + dev_warn(port->dev, "Failed submitting Tx DMA descriptor\n"); + goto switch_to_pio; + } + ++ spin_unlock_irq(&port->lock); + dev_dbg(port->dev, "%s: %p: %d...%d, cookie %d\n", +- __func__, xmit->buf, xmit->tail, xmit->head, s->cookie_tx); ++ __func__, xmit->buf, tail, head, s->cookie_tx); + + dma_async_issue_pending(chan); + return; +@@ -1633,11 +1641,18 @@ static void sci_free_dma(struct uart_port *port) + + static void sci_flush_buffer(struct uart_port *port) + { ++ struct sci_port *s = to_sci_port(port); ++ + /* + * In uart_flush_buffer(), the xmit circular buffer has just been +- * cleared, so we have to reset tx_dma_len accordingly. ++ * cleared, so we have to reset tx_dma_len accordingly, and stop any ++ * pending transfers + */ +- to_sci_port(port)->tx_dma_len = 0; ++ s->tx_dma_len = 0; ++ if (s->chan_tx) { ++ dmaengine_terminate_async(s->chan_tx); ++ s->cookie_tx = -EINVAL; ++ } + } + #else /* !CONFIG_SERIAL_SH_SCI_DMA */ + static inline void sci_request_dma(struct uart_port *port) +diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c +index f4e8e869649a..8018f813972e 100644 +--- a/drivers/usb/core/hub.c ++++ b/drivers/usb/core/hub.c +@@ -3961,6 +3961,9 @@ static int usb_set_lpm_timeout(struct usb_device *udev, + * control transfers to set the hub timeout or enable device-initiated U1/U2 + * will be successful. + * ++ * If the control transfer to enable device-initiated U1/U2 entry fails, then ++ * hub-initiated U1/U2 will be disabled. ++ * + * If we cannot set the parent hub U1/U2 timeout, we attempt to let the xHCI + * driver know about it. If that call fails, it should be harmless, and just + * take up more slightly more bus bandwidth for unnecessary U1/U2 exit latency. +@@ -4015,23 +4018,24 @@ static void usb_enable_link_state(struct usb_hcd *hcd, struct usb_device *udev, + * host know that this link state won't be enabled. + */ + hcd->driver->disable_usb3_lpm_timeout(hcd, udev, state); +- } else { +- /* Only a configured device will accept the Set Feature +- * U1/U2_ENABLE +- */ +- if (udev->actconfig) +- usb_set_device_initiated_lpm(udev, state, true); ++ return; ++ } + +- /* As soon as usb_set_lpm_timeout(timeout) returns 0, the +- * hub-initiated LPM is enabled. Thus, LPM is enabled no +- * matter the result of usb_set_device_initiated_lpm(). +- * The only difference is whether device is able to initiate +- * LPM. +- */ ++ /* Only a configured device will accept the Set Feature ++ * U1/U2_ENABLE ++ */ ++ if (udev->actconfig && ++ usb_set_device_initiated_lpm(udev, state, true) == 0) { + if (state == USB3_LPM_U1) + udev->usb3_lpm_u1_enabled = 1; + else if (state == USB3_LPM_U2) + udev->usb3_lpm_u2_enabled = 1; ++ } else { ++ /* Don't request U1/U2 entry if the device ++ * cannot transition to U1/U2. ++ */ ++ usb_set_lpm_timeout(udev, state, 0); ++ hcd->driver->disable_usb3_lpm_timeout(hcd, udev, state); + } + } + +diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c +index aa15593a3ac4..2050993fb58b 100644 +--- a/drivers/usb/gadget/function/f_fs.c ++++ b/drivers/usb/gadget/function/f_fs.c +@@ -1101,11 +1101,12 @@ static ssize_t ffs_epfile_write_iter(struct kiocb *kiocb, struct iov_iter *from) + ENTER(); + + if (!is_sync_kiocb(kiocb)) { +- p = kmalloc(sizeof(io_data), GFP_KERNEL); ++ p = kzalloc(sizeof(io_data), GFP_KERNEL); + if (unlikely(!p)) + return -ENOMEM; + p->aio = true; + } else { ++ memset(p, 0, sizeof(*p)); + p->aio = false; + } + +@@ -1137,11 +1138,12 @@ static ssize_t ffs_epfile_read_iter(struct kiocb *kiocb, struct iov_iter *to) + ENTER(); + + if (!is_sync_kiocb(kiocb)) { +- p = kmalloc(sizeof(io_data), GFP_KERNEL); ++ p = kzalloc(sizeof(io_data), GFP_KERNEL); + if (unlikely(!p)) + return -ENOMEM; + p->aio = true; + } else { ++ memset(p, 0, sizeof(*p)); + p->aio = false; + } + +diff --git a/drivers/usb/host/hwa-hc.c b/drivers/usb/host/hwa-hc.c +index 09a8ebd95588..6968b9f2b76b 100644 +--- a/drivers/usb/host/hwa-hc.c ++++ b/drivers/usb/host/hwa-hc.c +@@ -159,7 +159,7 @@ out: + return result; + + error_set_cluster_id: +- wusb_cluster_id_put(wusbhc->cluster_id); ++ wusb_cluster_id_put(addr); + error_cluster_id_get: + goto out; + +diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c +index 3625a5c1a41b..070c66f86e67 100644 +--- a/drivers/usb/host/pci-quirks.c ++++ b/drivers/usb/host/pci-quirks.c +@@ -205,7 +205,7 @@ int usb_amd_find_chipset_info(void) + { + unsigned long flags; + struct amd_chipset_info info; +- int ret; ++ int need_pll_quirk = 0; + + spin_lock_irqsave(&amd_lock, flags); + +@@ -219,21 +219,28 @@ int usb_amd_find_chipset_info(void) + spin_unlock_irqrestore(&amd_lock, flags); + + if (!amd_chipset_sb_type_init(&info)) { +- ret = 0; + goto commit; + } + +- /* Below chipset generations needn't enable AMD PLL quirk */ +- if (info.sb_type.gen == AMD_CHIPSET_UNKNOWN || +- info.sb_type.gen == AMD_CHIPSET_SB600 || +- info.sb_type.gen == AMD_CHIPSET_YANGTZE || +- (info.sb_type.gen == AMD_CHIPSET_SB700 && +- info.sb_type.rev > 0x3b)) { ++ switch (info.sb_type.gen) { ++ case AMD_CHIPSET_SB700: ++ need_pll_quirk = info.sb_type.rev <= 0x3B; ++ break; ++ case AMD_CHIPSET_SB800: ++ case AMD_CHIPSET_HUDSON2: ++ case AMD_CHIPSET_BOLTON: ++ need_pll_quirk = 1; ++ break; ++ default: ++ need_pll_quirk = 0; ++ break; ++ } ++ ++ if (!need_pll_quirk) { + if (info.smbus_dev) { + pci_dev_put(info.smbus_dev); + info.smbus_dev = NULL; + } +- ret = 0; + goto commit; + } + +@@ -252,7 +259,7 @@ int usb_amd_find_chipset_info(void) + } + } + +- ret = info.probe_result = 1; ++ need_pll_quirk = info.probe_result = 1; + printk(KERN_DEBUG "QUIRK: Enable AMD PLL fix\n"); + + commit: +@@ -263,7 +270,7 @@ commit: + + /* Mark that we where here */ + amd_chipset.probe_count++; +- ret = amd_chipset.probe_result; ++ need_pll_quirk = amd_chipset.probe_result; + + spin_unlock_irqrestore(&amd_lock, flags); + +@@ -277,7 +284,7 @@ commit: + spin_unlock_irqrestore(&amd_lock, flags); + } + +- return ret; ++ return need_pll_quirk; + } + EXPORT_SYMBOL_GPL(usb_amd_find_chipset_info); + +diff --git a/fs/9p/vfs_addr.c b/fs/9p/vfs_addr.c +index e1cbdfdb7c68..197069303510 100644 +--- a/fs/9p/vfs_addr.c ++++ b/fs/9p/vfs_addr.c +@@ -50,8 +50,9 @@ + * @page: structure to page + * + */ +-static int v9fs_fid_readpage(struct p9_fid *fid, struct page *page) ++static int v9fs_fid_readpage(void *data, struct page *page) + { ++ struct p9_fid *fid = data; + struct inode *inode = page->mapping->host; + struct bio_vec bvec = {.bv_page = page, .bv_len = PAGE_SIZE}; + struct iov_iter to; +@@ -122,7 +123,8 @@ static int v9fs_vfs_readpages(struct file *filp, struct address_space *mapping, + if (ret == 0) + return ret; + +- ret = read_cache_pages(mapping, pages, (void *)v9fs_vfs_readpage, filp); ++ ret = read_cache_pages(mapping, pages, v9fs_fid_readpage, ++ filp->private_data); + p9_debug(P9_DEBUG_VFS, " = %d\n", ret); + return ret; + } +diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c +index c1cd3fe2b295..355ff08e9d44 100644 +--- a/fs/btrfs/inode.c ++++ b/fs/btrfs/inode.c +@@ -388,10 +388,31 @@ static noinline int add_async_extent(struct async_cow *cow, + return 0; + } + ++/* ++ * Check if the inode has flags compatible with compression ++ */ ++static inline bool inode_can_compress(struct inode *inode) ++{ ++ if (BTRFS_I(inode)->flags & BTRFS_INODE_NODATACOW || ++ BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM) ++ return false; ++ return true; ++} ++ ++/* ++ * Check if the inode needs to be submitted to compression, based on mount ++ * options, defragmentation, properties or heuristics. ++ */ + static inline int inode_need_compress(struct inode *inode, u64 start, u64 end) + { + struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); + ++ if (!inode_can_compress(inode)) { ++ WARN(IS_ENABLED(CONFIG_BTRFS_DEBUG), ++ KERN_ERR "BTRFS: unexpected compression for ino %llu\n", ++ btrfs_ino(BTRFS_I(inode))); ++ return 0; ++ } + /* force compress */ + if (btrfs_test_opt(fs_info, FORCE_COMPRESS)) + return 1; +@@ -1596,7 +1617,8 @@ static int run_delalloc_range(void *private_data, struct page *locked_page, + } else if (BTRFS_I(inode)->flags & BTRFS_INODE_PREALLOC && !force_cow) { + ret = run_delalloc_nocow(inode, locked_page, start, end, + page_started, 0, nr_written); +- } else if (!inode_need_compress(inode, start, end)) { ++ } else if (!inode_can_compress(inode) || ++ !inode_need_compress(inode, start, end)) { + ret = cow_file_range(inode, locked_page, start, end, end, + page_started, nr_written, 1, NULL); + } else { +diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c +index a5e4a221435c..a93ebffe84b3 100644 +--- a/fs/dlm/lowcomms.c ++++ b/fs/dlm/lowcomms.c +@@ -1630,8 +1630,10 @@ static void clean_writequeues(void) + + static void work_stop(void) + { +- destroy_workqueue(recv_workqueue); +- destroy_workqueue(send_workqueue); ++ if (recv_workqueue) ++ destroy_workqueue(recv_workqueue); ++ if (send_workqueue) ++ destroy_workqueue(send_workqueue); + } + + static int work_start(void) +@@ -1691,13 +1693,17 @@ static void work_flush(void) + struct hlist_node *n; + struct connection *con; + +- flush_workqueue(recv_workqueue); +- flush_workqueue(send_workqueue); ++ if (recv_workqueue) ++ flush_workqueue(recv_workqueue); ++ if (send_workqueue) ++ flush_workqueue(send_workqueue); + do { + ok = 1; + foreach_conn(stop_conn); +- flush_workqueue(recv_workqueue); +- flush_workqueue(send_workqueue); ++ if (recv_workqueue) ++ flush_workqueue(recv_workqueue); ++ if (send_workqueue) ++ flush_workqueue(send_workqueue); + for (i = 0; i < CONN_HASH_SIZE && ok; i++) { + hlist_for_each_entry_safe(con, n, + &connection_hash[i], list) { +diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c +index 8fc3edb6760c..92f72bb5aff4 100644 +--- a/fs/f2fs/segment.c ++++ b/fs/f2fs/segment.c +@@ -3261,6 +3261,11 @@ static int read_compacted_summaries(struct f2fs_sb_info *sbi) + seg_i = CURSEG_I(sbi, i); + segno = le32_to_cpu(ckpt->cur_data_segno[i]); + blk_off = le16_to_cpu(ckpt->cur_data_blkoff[i]); ++ if (blk_off > ENTRIES_IN_SUM) { ++ f2fs_bug_on(sbi, 1); ++ f2fs_put_page(page, 1); ++ return -EFAULT; ++ } + seg_i->next_segno = segno; + reset_curseg(sbi, i, 0); + seg_i->alloc_type = ckpt->alloc_type[i]; +diff --git a/fs/notify/fanotify/fanotify.c b/fs/notify/fanotify/fanotify.c +index 29dee9630eec..a18b8d7a3075 100644 +--- a/fs/notify/fanotify/fanotify.c ++++ b/fs/notify/fanotify/fanotify.c +@@ -148,10 +148,13 @@ struct fanotify_event_info *fanotify_alloc_event(struct fsnotify_group *group, + /* + * For queues with unlimited length lost events are not expected and + * can possibly have security implications. Avoid losing events when +- * memory is short. ++ * memory is short. For the limited size queues, avoid OOM killer in the ++ * target monitoring memcg as it may have security repercussion. + */ + if (group->max_events == UINT_MAX) + gfp |= __GFP_NOFAIL; ++ else ++ gfp |= __GFP_RETRY_MAYFAIL; + + /* Whoever is interested in the event, pays for the allocation. */ + memalloc_use_memcg(group->memcg); +diff --git a/fs/notify/inotify/inotify_fsnotify.c b/fs/notify/inotify/inotify_fsnotify.c +index f4184b4f3815..16b8702af0e7 100644 +--- a/fs/notify/inotify/inotify_fsnotify.c ++++ b/fs/notify/inotify/inotify_fsnotify.c +@@ -99,9 +99,13 @@ int inotify_handle_event(struct fsnotify_group *group, + i_mark = container_of(inode_mark, struct inotify_inode_mark, + fsn_mark); + +- /* Whoever is interested in the event, pays for the allocation. */ ++ /* ++ * Whoever is interested in the event, pays for the allocation. Do not ++ * trigger OOM killer in the target monitoring memcg as it may have ++ * security repercussion. ++ */ + memalloc_use_memcg(group->memcg); +- event = kmalloc(alloc_len, GFP_KERNEL_ACCOUNT); ++ event = kmalloc(alloc_len, GFP_KERNEL_ACCOUNT | __GFP_RETRY_MAYFAIL); + memalloc_unuse_memcg(); + + if (unlikely(!event)) { +diff --git a/fs/open.c b/fs/open.c +index a00350018a47..878478745924 100644 +--- a/fs/open.c ++++ b/fs/open.c +@@ -373,6 +373,25 @@ long do_faccessat(int dfd, const char __user *filename, int mode) + override_cred->cap_permitted; + } + ++ /* ++ * The new set of credentials can *only* be used in ++ * task-synchronous circumstances, and does not need ++ * RCU freeing, unless somebody then takes a separate ++ * reference to it. ++ * ++ * NOTE! This is _only_ true because this credential ++ * is used purely for override_creds() that installs ++ * it as the subjective cred. Other threads will be ++ * accessing ->real_cred, not the subjective cred. ++ * ++ * If somebody _does_ make a copy of this (using the ++ * 'get_current_cred()' function), that will clear the ++ * non_rcu field, because now that other user may be ++ * expecting RCU freeing. But normal thread-synchronous ++ * cred accesses will keep things non-RCY. ++ */ ++ override_cred->non_rcu = 1; ++ + old_cred = override_creds(override_cred); + retry: + res = user_path_at(dfd, filename, lookup_flags, &path); +diff --git a/fs/proc/base.c b/fs/proc/base.c +index f999e8bd3771..a7fbda72afeb 100644 +--- a/fs/proc/base.c ++++ b/fs/proc/base.c +@@ -1960,9 +1960,12 @@ static int map_files_d_revalidate(struct dentry *dentry, unsigned int flags) + goto out; + + if (!dname_to_vma_addr(dentry, &vm_start, &vm_end)) { +- down_read(&mm->mmap_sem); +- exact_vma_exists = !!find_exact_vma(mm, vm_start, vm_end); +- up_read(&mm->mmap_sem); ++ status = down_read_killable(&mm->mmap_sem); ++ if (!status) { ++ exact_vma_exists = !!find_exact_vma(mm, vm_start, ++ vm_end); ++ up_read(&mm->mmap_sem); ++ } + } + + mmput(mm); +@@ -2008,8 +2011,11 @@ static int map_files_get_link(struct dentry *dentry, struct path *path) + if (rc) + goto out_mmput; + ++ rc = down_read_killable(&mm->mmap_sem); ++ if (rc) ++ goto out_mmput; ++ + rc = -ENOENT; +- down_read(&mm->mmap_sem); + vma = find_exact_vma(mm, vm_start, vm_end); + if (vma && vma->vm_file) { + *path = vma->vm_file->f_path; +@@ -2105,7 +2111,11 @@ static struct dentry *proc_map_files_lookup(struct inode *dir, + if (!mm) + goto out_put_task; + +- down_read(&mm->mmap_sem); ++ result = ERR_PTR(-EINTR); ++ if (down_read_killable(&mm->mmap_sem)) ++ goto out_put_mm; ++ ++ result = ERR_PTR(-ENOENT); + vma = find_exact_vma(mm, vm_start, vm_end); + if (!vma) + goto out_no_vma; +@@ -2116,6 +2126,7 @@ static struct dentry *proc_map_files_lookup(struct inode *dir, + + out_no_vma: + up_read(&mm->mmap_sem); ++out_put_mm: + mmput(mm); + out_put_task: + put_task_struct(task); +@@ -2157,7 +2168,12 @@ proc_map_files_readdir(struct file *file, struct dir_context *ctx) + mm = get_task_mm(task); + if (!mm) + goto out_put_task; +- down_read(&mm->mmap_sem); ++ ++ ret = down_read_killable(&mm->mmap_sem); ++ if (ret) { ++ mmput(mm); ++ goto out_put_task; ++ } + + nr_files = 0; + +diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c +index c5819baee35c..71aba44c4fa6 100644 +--- a/fs/proc/task_mmu.c ++++ b/fs/proc/task_mmu.c +@@ -166,7 +166,11 @@ static void *m_start(struct seq_file *m, loff_t *ppos) + if (!mm || !mmget_not_zero(mm)) + return NULL; + +- down_read(&mm->mmap_sem); ++ if (down_read_killable(&mm->mmap_sem)) { ++ mmput(mm); ++ return ERR_PTR(-EINTR); ++ } ++ + hold_task_mempolicy(priv); + priv->tail_vma = get_gate_vma(mm); + +@@ -826,7 +830,10 @@ static int show_smaps_rollup(struct seq_file *m, void *v) + + memset(&mss, 0, sizeof(mss)); + +- down_read(&mm->mmap_sem); ++ ret = down_read_killable(&mm->mmap_sem); ++ if (ret) ++ goto out_put_mm; ++ + hold_task_mempolicy(priv); + + for (vma = priv->mm->mmap; vma; vma = vma->vm_next) { +@@ -843,8 +850,9 @@ static int show_smaps_rollup(struct seq_file *m, void *v) + + release_task_mempolicy(priv); + up_read(&mm->mmap_sem); +- mmput(mm); + ++out_put_mm: ++ mmput(mm); + out_put_task: + put_task_struct(priv->task); + priv->task = NULL; +@@ -1127,7 +1135,10 @@ static ssize_t clear_refs_write(struct file *file, const char __user *buf, + goto out_mm; + } + +- down_read(&mm->mmap_sem); ++ if (down_read_killable(&mm->mmap_sem)) { ++ count = -EINTR; ++ goto out_mm; ++ } + tlb_gather_mmu(&tlb, mm, 0, -1); + if (type == CLEAR_REFS_SOFT_DIRTY) { + for (vma = mm->mmap; vma; vma = vma->vm_next) { +@@ -1531,7 +1542,9 @@ static ssize_t pagemap_read(struct file *file, char __user *buf, + /* overflow ? */ + if (end < start_vaddr || end > end_vaddr) + end = end_vaddr; +- down_read(&mm->mmap_sem); ++ ret = down_read_killable(&mm->mmap_sem); ++ if (ret) ++ goto out_free; + ret = walk_page_range(start_vaddr, end, &pagemap_walk); + up_read(&mm->mmap_sem); + start_vaddr = end; +diff --git a/fs/proc/task_nommu.c b/fs/proc/task_nommu.c +index 0b63d68dedb2..5161894a6d62 100644 +--- a/fs/proc/task_nommu.c ++++ b/fs/proc/task_nommu.c +@@ -211,7 +211,11 @@ static void *m_start(struct seq_file *m, loff_t *pos) + if (!mm || !mmget_not_zero(mm)) + return NULL; + +- down_read(&mm->mmap_sem); ++ if (down_read_killable(&mm->mmap_sem)) { ++ mmput(mm); ++ return ERR_PTR(-EINTR); ++ } ++ + /* start from the Nth VMA */ + for (p = rb_first(&mm->mm_rb); p; p = rb_next(p)) + if (n-- == 0) +diff --git a/include/linux/cred.h b/include/linux/cred.h +index 7eed6101c791..1dc351d8548b 100644 +--- a/include/linux/cred.h ++++ b/include/linux/cred.h +@@ -150,7 +150,11 @@ struct cred { + struct user_struct *user; /* real user ID subscription */ + struct user_namespace *user_ns; /* user_ns the caps and keyrings are relative to. */ + struct group_info *group_info; /* supplementary groups for euid/fsgid */ +- struct rcu_head rcu; /* RCU deletion hook */ ++ /* RCU deletion */ ++ union { ++ int non_rcu; /* Can we skip RCU deletion? */ ++ struct rcu_head rcu; /* RCU deletion hook */ ++ }; + } __randomize_layout; + + extern void __put_cred(struct cred *); +@@ -248,6 +252,7 @@ static inline const struct cred *get_cred(const struct cred *cred) + { + struct cred *nonconst_cred = (struct cred *) cred; + validate_creds(cred); ++ nonconst_cred->non_rcu = 0; + return get_new_cred(nonconst_cred); + } + +diff --git a/include/linux/host1x.h b/include/linux/host1x.h +index 89110d896d72..aef6e2f73802 100644 +--- a/include/linux/host1x.h ++++ b/include/linux/host1x.h +@@ -310,6 +310,8 @@ struct host1x_device { + struct list_head clients; + + bool registered; ++ ++ struct device_dma_parameters dma_parms; + }; + + static inline struct host1x_device *to_host1x_device(struct device *dev) +diff --git a/kernel/cred.c b/kernel/cred.c +index efd04b2ec84c..5ab1f7ec946e 100644 +--- a/kernel/cred.c ++++ b/kernel/cred.c +@@ -147,7 +147,10 @@ void __put_cred(struct cred *cred) + BUG_ON(cred == current->cred); + BUG_ON(cred == current->real_cred); + +- call_rcu(&cred->rcu, put_cred_rcu); ++ if (cred->non_rcu) ++ put_cred_rcu(&cred->rcu); ++ else ++ call_rcu(&cred->rcu, put_cred_rcu); + } + EXPORT_SYMBOL(__put_cred); + +@@ -258,6 +261,7 @@ struct cred *prepare_creds(void) + old = task->cred; + memcpy(new, old, sizeof(struct cred)); + ++ new->non_rcu = 0; + atomic_set(&new->usage, 1); + set_cred_subscribers(new, 0); + get_group_info(new->group_info); +@@ -537,7 +541,19 @@ const struct cred *override_creds(const struct cred *new) + + validate_creds(old); + validate_creds(new); +- get_cred(new); ++ ++ /* ++ * NOTE! This uses 'get_new_cred()' rather than 'get_cred()'. ++ * ++ * That means that we do not clear the 'non_rcu' flag, since ++ * we are only installing the cred into the thread-synchronous ++ * '->cred' pointer, not the '->real_cred' pointer that is ++ * visible to other threads under RCU. ++ * ++ * Also note that we did validate_creds() manually, not depending ++ * on the validation in 'get_cred()'. ++ */ ++ get_new_cred((struct cred *)new); + alter_cred_subscribers(new, 1); + rcu_assign_pointer(current->cred, new); + alter_cred_subscribers(old, -1); +@@ -620,6 +636,7 @@ struct cred *prepare_kernel_cred(struct task_struct *daemon) + validate_creds(old); + + *new = *old; ++ new->non_rcu = 0; + atomic_set(&new->usage, 1); + set_cred_subscribers(new, 0); + get_uid(new->user); +diff --git a/kernel/locking/lockdep_proc.c b/kernel/locking/lockdep_proc.c +index 3dd980dfba2d..6fcc4650f0c4 100644 +--- a/kernel/locking/lockdep_proc.c ++++ b/kernel/locking/lockdep_proc.c +@@ -200,7 +200,6 @@ static void lockdep_stats_debug_show(struct seq_file *m) + + static int lockdep_stats_show(struct seq_file *m, void *v) + { +- struct lock_class *class; + unsigned long nr_unused = 0, nr_uncategorized = 0, + nr_irq_safe = 0, nr_irq_unsafe = 0, + nr_softirq_safe = 0, nr_softirq_unsafe = 0, +@@ -210,6 +209,9 @@ static int lockdep_stats_show(struct seq_file *m, void *v) + nr_hardirq_read_safe = 0, nr_hardirq_read_unsafe = 0, + sum_forward_deps = 0; + ++#ifdef CONFIG_PROVE_LOCKING ++ struct lock_class *class; ++ + list_for_each_entry(class, &all_lock_classes, lock_entry) { + + if (class->usage_mask == 0) +@@ -241,12 +243,12 @@ static int lockdep_stats_show(struct seq_file *m, void *v) + if (class->usage_mask & LOCKF_ENABLED_HARDIRQ_READ) + nr_hardirq_read_unsafe++; + +-#ifdef CONFIG_PROVE_LOCKING + sum_forward_deps += lockdep_count_forward_deps(class); +-#endif + } + #ifdef CONFIG_DEBUG_LOCKDEP + DEBUG_LOCKS_WARN_ON(debug_atomic_read(nr_unused_locks) != nr_unused); ++#endif ++ + #endif + seq_printf(m, " lock-classes: %11lu [max: %lu]\n", + nr_lock_classes, MAX_LOCKDEP_KEYS); +diff --git a/mm/gup.c b/mm/gup.c +index caadd31714a5..f3088d25bd92 100644 +--- a/mm/gup.c ++++ b/mm/gup.c +@@ -458,11 +458,14 @@ static int get_gate_page(struct mm_struct *mm, unsigned long address, + pgd = pgd_offset_k(address); + else + pgd = pgd_offset_gate(mm, address); +- BUG_ON(pgd_none(*pgd)); ++ if (pgd_none(*pgd)) ++ return -EFAULT; + p4d = p4d_offset(pgd, address); +- BUG_ON(p4d_none(*p4d)); ++ if (p4d_none(*p4d)) ++ return -EFAULT; + pud = pud_offset(p4d, address); +- BUG_ON(pud_none(*pud)); ++ if (pud_none(*pud)) ++ return -EFAULT; + pmd = pmd_offset(pud, address); + if (!pmd_present(*pmd)) + return -EFAULT; +@@ -1367,7 +1370,8 @@ static inline pte_t gup_get_pte(pte_t *ptep) + } + #endif + +-static void undo_dev_pagemap(int *nr, int nr_start, struct page **pages) ++static void __maybe_unused undo_dev_pagemap(int *nr, int nr_start, ++ struct page **pages) + { + while ((*nr) - nr_start) { + struct page *page = pages[--(*nr)]; +diff --git a/mm/kmemleak.c b/mm/kmemleak.c +index 72e3fb3bb037..6c94b6865ac2 100644 +--- a/mm/kmemleak.c ++++ b/mm/kmemleak.c +@@ -576,7 +576,7 @@ static struct kmemleak_object *create_object(unsigned long ptr, size_t size, + if (in_irq()) { + object->pid = 0; + strncpy(object->comm, "hardirq", sizeof(object->comm)); +- } else if (in_softirq()) { ++ } else if (in_serving_softirq()) { + object->pid = 0; + strncpy(object->comm, "softirq", sizeof(object->comm)); + } else { +diff --git a/mm/memory.c b/mm/memory.c +index e0010cb870e0..fb5655b518c9 100644 +--- a/mm/memory.c ++++ b/mm/memory.c +@@ -4491,7 +4491,9 @@ int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm, + void *old_buf = buf; + int write = gup_flags & FOLL_WRITE; + +- down_read(&mm->mmap_sem); ++ if (down_read_killable(&mm->mmap_sem)) ++ return 0; ++ + /* ignore errors, just check how much was successfully transferred */ + while (len) { + int bytes, ret, offset; +diff --git a/mm/mmu_notifier.c b/mm/mmu_notifier.c +index 82bb1a939c0e..06dedb175572 100644 +--- a/mm/mmu_notifier.c ++++ b/mm/mmu_notifier.c +@@ -316,7 +316,7 @@ static int do_mmu_notifier_register(struct mmu_notifier *mn, + * thanks to mm_take_all_locks(). + */ + spin_lock(&mm->mmu_notifier_mm->lock); +- hlist_add_head(&mn->hlist, &mm->mmu_notifier_mm->list); ++ hlist_add_head_rcu(&mn->hlist, &mm->mmu_notifier_mm->list); + spin_unlock(&mm->mmu_notifier_mm->lock); + + mm_drop_all_locks(mm); +diff --git a/mm/nommu.c b/mm/nommu.c +index e4aac33216ae..1d63ecfc98c5 100644 +--- a/mm/nommu.c ++++ b/mm/nommu.c +@@ -1779,7 +1779,8 @@ int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm, + struct vm_area_struct *vma; + int write = gup_flags & FOLL_WRITE; + +- down_read(&mm->mmap_sem); ++ if (down_read_killable(&mm->mmap_sem)) ++ return 0; + + /* the access must start within one of the target process's mappings */ + vma = find_vma(mm, addr); +diff --git a/mm/swap.c b/mm/swap.c +index a3fc028e338e..45fdbfb6b2a6 100644 +--- a/mm/swap.c ++++ b/mm/swap.c +@@ -740,15 +740,20 @@ void release_pages(struct page **pages, int nr) + if (is_huge_zero_page(page)) + continue; + +- /* Device public page can not be huge page */ +- if (is_device_public_page(page)) { ++ if (is_zone_device_page(page)) { + if (locked_pgdat) { + spin_unlock_irqrestore(&locked_pgdat->lru_lock, + flags); + locked_pgdat = NULL; + } +- put_devmap_managed_page(page); +- continue; ++ /* ++ * ZONE_DEVICE pages that return 'false' from ++ * put_devmap_managed_page() do not require special ++ * processing, and instead, expect a call to ++ * put_page_testzero(). ++ */ ++ if (put_devmap_managed_page(page)) ++ continue; + } + + page = compound_head(page); +diff --git a/net/vmw_vsock/hyperv_transport.c b/net/vmw_vsock/hyperv_transport.c +index a827547aa102..b131561a9469 100644 +--- a/net/vmw_vsock/hyperv_transport.c ++++ b/net/vmw_vsock/hyperv_transport.c +@@ -217,18 +217,6 @@ static void hvs_set_channel_pending_send_size(struct vmbus_channel *chan) + set_channel_pending_send_size(chan, + HVS_PKT_LEN(HVS_SEND_BUF_SIZE)); + +- /* See hvs_stream_has_space(): we must make sure the host has seen +- * the new pending send size, before we can re-check the writable +- * bytes. +- */ +- virt_mb(); +-} +- +-static void hvs_clear_channel_pending_send_size(struct vmbus_channel *chan) +-{ +- set_channel_pending_send_size(chan, 0); +- +- /* Ditto */ + virt_mb(); + } + +@@ -298,9 +286,6 @@ static void hvs_channel_cb(void *ctx) + if (hvs_channel_readable(chan)) + sk->sk_data_ready(sk); + +- /* See hvs_stream_has_space(): when we reach here, the writable bytes +- * may be already less than HVS_PKT_LEN(HVS_SEND_BUF_SIZE). +- */ + if (hv_get_bytes_to_write(&chan->outbound) > 0) + sk->sk_write_space(sk); + } +@@ -328,8 +313,9 @@ static void hvs_open_connection(struct vmbus_channel *chan) + + struct sockaddr_vm addr; + struct sock *sk, *new = NULL; +- struct vsock_sock *vnew; +- struct hvsock *hvs, *hvs_new; ++ struct vsock_sock *vnew = NULL; ++ struct hvsock *hvs = NULL; ++ struct hvsock *hvs_new = NULL; + int ret; + + if_type = &chan->offermsg.offer.if_type; +@@ -388,6 +374,13 @@ static void hvs_open_connection(struct vmbus_channel *chan) + set_per_channel_state(chan, conn_from_host ? new : sk); + vmbus_set_chn_rescind_callback(chan, hvs_close_connection); + ++ /* Set the pending send size to max packet size to always get ++ * notifications from the host when there is enough writable space. ++ * The host is optimized to send notifications only when the pending ++ * size boundary is crossed, and not always. ++ */ ++ hvs_set_channel_pending_send_size(chan); ++ + if (conn_from_host) { + new->sk_state = TCP_ESTABLISHED; + sk->sk_ack_backlog++; +@@ -651,23 +644,8 @@ static s64 hvs_stream_has_data(struct vsock_sock *vsk) + static s64 hvs_stream_has_space(struct vsock_sock *vsk) + { + struct hvsock *hvs = vsk->trans; +- struct vmbus_channel *chan = hvs->chan; +- s64 ret; +- +- ret = hvs_channel_writable_bytes(chan); +- if (ret > 0) { +- hvs_clear_channel_pending_send_size(chan); +- } else { +- /* See hvs_channel_cb() */ +- hvs_set_channel_pending_send_size(chan); +- +- /* Re-check the writable bytes to avoid race */ +- ret = hvs_channel_writable_bytes(chan); +- if (ret > 0) +- hvs_clear_channel_pending_send_size(chan); +- } + +- return ret; ++ return hvs_channel_writable_bytes(hvs->chan); + } + + static u64 hvs_stream_rcvhiwat(struct vsock_sock *vsk) +diff --git a/scripts/genksyms/keywords.c b/scripts/genksyms/keywords.c +index 9f40bcd17d07..f6956aa41366 100644 +--- a/scripts/genksyms/keywords.c ++++ b/scripts/genksyms/keywords.c +@@ -24,6 +24,10 @@ static struct resword { + { "__volatile__", VOLATILE_KEYW }, + { "__builtin_va_list", VA_LIST_KEYW }, + ++ { "__int128", BUILTIN_INT_KEYW }, ++ { "__int128_t", BUILTIN_INT_KEYW }, ++ { "__uint128_t", BUILTIN_INT_KEYW }, ++ + // According to rth, c99 defines "_Bool", __restrict", __restrict__", "restrict". KAO + { "_Bool", BOOL_KEYW }, + { "_restrict", RESTRICT_KEYW }, +diff --git a/scripts/genksyms/parse.y b/scripts/genksyms/parse.y +index 00a6d7e54971..1ebcf52cd0f9 100644 +--- a/scripts/genksyms/parse.y ++++ b/scripts/genksyms/parse.y +@@ -76,6 +76,7 @@ static void record_compound(struct string_list **keyw, + %token ATTRIBUTE_KEYW + %token AUTO_KEYW + %token BOOL_KEYW ++%token BUILTIN_INT_KEYW + %token CHAR_KEYW + %token CONST_KEYW + %token DOUBLE_KEYW +@@ -263,6 +264,7 @@ simple_type_specifier: + | VOID_KEYW + | BOOL_KEYW + | VA_LIST_KEYW ++ | BUILTIN_INT_KEYW + | TYPE { (*$1)->tag = SYM_TYPEDEF; $$ = $1; } + ; + +diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c +index 0c9c54b57515..31ed7f3f0e15 100644 +--- a/scripts/kallsyms.c ++++ b/scripts/kallsyms.c +@@ -152,6 +152,9 @@ static int read_symbol(FILE *in, struct sym_entry *s) + /* exclude debugging symbols */ + else if (stype == 'N' || stype == 'n') + return -1; ++ /* exclude s390 kasan local symbols */ ++ else if (!strncmp(sym, ".LASANPC", 8)) ++ return -1; + + /* include the type field in the symbol name, so that it gets + * compressed together */ +diff --git a/scripts/recordmcount.h b/scripts/recordmcount.h +index 2e7793735e14..ccfbfde61556 100644 +--- a/scripts/recordmcount.h ++++ b/scripts/recordmcount.h +@@ -326,7 +326,8 @@ static uint_t *sift_rel_mcount(uint_t *mlocp, + if (!mcountsym) + mcountsym = get_mcountsym(sym0, relp, str0); + +- if (mcountsym == Elf_r_sym(relp) && !is_fake_mcount(relp)) { ++ if (mcountsym && mcountsym == Elf_r_sym(relp) && ++ !is_fake_mcount(relp)) { + uint_t const addend = + _w(_w(relp->r_offset) - recval + mcount_adjust); + mrelp->r_offset = _w(offbase +diff --git a/sound/ac97/bus.c b/sound/ac97/bus.c +index 9cbf6927abe9..ca50ff444796 100644 +--- a/sound/ac97/bus.c ++++ b/sound/ac97/bus.c +@@ -125,17 +125,12 @@ static int ac97_codec_add(struct ac97_controller *ac97_ctrl, int idx, + vendor_id); + + ret = device_add(&codec->dev); +- if (ret) +- goto err_free_codec; ++ if (ret) { ++ put_device(&codec->dev); ++ return ret; ++ } + + return 0; +-err_free_codec: +- of_node_put(codec->dev.of_node); +- put_device(&codec->dev); +- kfree(codec); +- ac97_ctrl->codecs[idx] = NULL; +- +- return ret; + } + + unsigned int snd_ac97_bus_scan_one(struct ac97_controller *adrv, +diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c +index 3cbd2119e148..b70fbfa80546 100644 +--- a/sound/pci/hda/patch_conexant.c ++++ b/sound/pci/hda/patch_conexant.c +@@ -1096,6 +1096,7 @@ static int patch_conexant_auto(struct hda_codec *codec) + */ + + static const struct hda_device_id snd_hda_id_conexant[] = { ++ HDA_CODEC_ENTRY(0x14f11f86, "CX8070", patch_conexant_auto), + HDA_CODEC_ENTRY(0x14f12008, "CX8200", patch_conexant_auto), + HDA_CODEC_ENTRY(0x14f15045, "CX20549 (Venice)", patch_conexant_auto), + HDA_CODEC_ENTRY(0x14f15047, "CX20551 (Waikiki)", patch_conexant_auto), +diff --git a/sound/usb/line6/podhd.c b/sound/usb/line6/podhd.c +index 5f3c87264e66..da627b015b32 100644 +--- a/sound/usb/line6/podhd.c ++++ b/sound/usb/line6/podhd.c +@@ -417,7 +417,7 @@ static const struct line6_properties podhd_properties_table[] = { + .name = "POD HD500", + .capabilities = LINE6_CAP_PCM + | LINE6_CAP_HWMON, +- .altsetting = 1, ++ .altsetting = 0, + .ep_ctrl_r = 0x81, + .ep_ctrl_w = 0x01, + .ep_audio_r = 0x86, +diff --git a/tools/iio/iio_utils.c b/tools/iio/iio_utils.c +index 7a6d61c6c012..55272fef3b50 100644 +--- a/tools/iio/iio_utils.c ++++ b/tools/iio/iio_utils.c +@@ -159,9 +159,9 @@ int iioutils_get_type(unsigned *is_signed, unsigned *bytes, unsigned *bits_used, + *be = (endianchar == 'b'); + *bytes = padint / 8; + if (*bits_used == 64) +- *mask = ~0; ++ *mask = ~(0ULL); + else +- *mask = (1ULL << *bits_used) - 1; ++ *mask = (1ULL << *bits_used) - 1ULL; + + *is_signed = (signchar == 's'); + if (fclose(sysfsfp)) { +diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c +index 40720150ccd8..789962565c9c 100644 +--- a/tools/perf/builtin-stat.c ++++ b/tools/perf/builtin-stat.c +@@ -2497,8 +2497,8 @@ static int add_default_attributes(void) + fprintf(stderr, + "Cannot set up top down events %s: %d\n", + str, err); +- free(str); + parse_events_print_error(&errinfo, str); ++ free(str); + return -1; + } + } else { +diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c +index 33eefc33e0ea..d0733251a386 100644 +--- a/tools/perf/builtin-top.c ++++ b/tools/perf/builtin-top.c +@@ -99,7 +99,7 @@ static void perf_top__resize(struct perf_top *top) + + static int perf_top__parse_source(struct perf_top *top, struct hist_entry *he) + { +- struct perf_evsel *evsel = hists_to_evsel(he->hists); ++ struct perf_evsel *evsel; + struct symbol *sym; + struct annotation *notes; + struct map *map; +@@ -108,6 +108,8 @@ static int perf_top__parse_source(struct perf_top *top, struct hist_entry *he) + if (!he || !he->ms.sym) + return -1; + ++ evsel = hists_to_evsel(he->hists); ++ + sym = he->ms.sym; + map = he->ms.map; + +@@ -224,7 +226,7 @@ static void perf_top__record_precise_ip(struct perf_top *top, + static void perf_top__show_details(struct perf_top *top) + { + struct hist_entry *he = top->sym_filter_entry; +- struct perf_evsel *evsel = hists_to_evsel(he->hists); ++ struct perf_evsel *evsel; + struct annotation *notes; + struct symbol *symbol; + int more; +@@ -232,6 +234,8 @@ static void perf_top__show_details(struct perf_top *top) + if (!he) + return; + ++ evsel = hists_to_evsel(he->hists); ++ + symbol = he->ms.sym; + notes = symbol__annotation(symbol); + +diff --git a/tools/perf/tests/mmap-thread-lookup.c b/tools/perf/tests/mmap-thread-lookup.c +index b1af2499a3c9..7a9b123c7bfc 100644 +--- a/tools/perf/tests/mmap-thread-lookup.c ++++ b/tools/perf/tests/mmap-thread-lookup.c +@@ -52,7 +52,7 @@ static void *thread_fn(void *arg) + { + struct thread_data *td = arg; + ssize_t ret; +- int go; ++ int go = 0; + + if (thread_init(td)) + return NULL; +diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c +index a96f62ca984a..692d2fa31c35 100644 +--- a/tools/perf/ui/browsers/hists.c ++++ b/tools/perf/ui/browsers/hists.c +@@ -633,7 +633,11 @@ int hist_browser__run(struct hist_browser *browser, const char *help, + switch (key) { + case K_TIMER: { + u64 nr_entries; +- hbt->timer(hbt->arg); ++ ++ WARN_ON_ONCE(!hbt); ++ ++ if (hbt) ++ hbt->timer(hbt->arg); + + if (hist_browser__has_filter(browser) || + symbol_conf.report_hierarchy) +@@ -2707,7 +2711,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, + { + struct hists *hists = evsel__hists(evsel); + struct hist_browser *browser = perf_evsel_browser__new(evsel, hbt, env, annotation_opts); +- struct branch_info *bi; ++ struct branch_info *bi = NULL; + #define MAX_OPTIONS 16 + char *options[MAX_OPTIONS]; + struct popup_action actions[MAX_OPTIONS]; +@@ -2973,7 +2977,9 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, + goto skip_annotation; + + if (sort__mode == SORT_MODE__BRANCH) { +- bi = browser->he_selection->branch_info; ++ ++ if (browser->he_selection) ++ bi = browser->he_selection->branch_info; + + if (bi == NULL) + goto skip_annotation; +@@ -3144,7 +3150,8 @@ static int perf_evsel_menu__run(struct perf_evsel_menu *menu, + + switch (key) { + case K_TIMER: +- hbt->timer(hbt->arg); ++ if (hbt) ++ hbt->timer(hbt->arg); + + if (!menu->lost_events_warned && + menu->lost_events && +diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c +index c357051dd2b6..daea1fdf7385 100644 +--- a/tools/perf/util/annotate.c ++++ b/tools/perf/util/annotate.c +@@ -1079,16 +1079,14 @@ static int disasm_line__parse(char *line, const char **namep, char **rawp) + *namep = strdup(name); + + if (*namep == NULL) +- goto out_free_name; ++ goto out; + + (*rawp)[0] = tmp; + *rawp = ltrim(*rawp); + + return 0; + +-out_free_name: +- free((void *)namep); +- *namep = NULL; ++out: + return -1; + } + +diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c +index 11086097fc9f..f016d1b330e5 100644 +--- a/tools/perf/util/session.c ++++ b/tools/perf/util/session.c +@@ -1141,6 +1141,9 @@ static void dump_read(struct perf_evsel *evsel, union perf_event *event) + evsel ? perf_evsel__name(evsel) : "FAIL", + event->read.value); + ++ if (!evsel) ++ return; ++ + read_format = evsel->attr.read_format; + + if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED) |