commit: 2abc69ce98210c0192dfce305815bdbd671e2d7c Author: Mike Pagano <mpagano <AT> gentoo <DOT> org> AuthorDate: Sun Mar 10 14:12:03 2019 +0000 Commit: Mike Pagano <mpagano <AT> gentoo <DOT> org> CommitDate: Sun Mar 10 14:12:03 2019 +0000 URL: https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=2abc69ce
proj/linux-patches: Linux patch 5.0.1 Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org> 0000_README | 4 + 1000_linux-5.0.1.patch | 2134 ++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 2138 insertions(+) diff --git a/0000_README b/0000_README index 225fb97..99e0bb6 100644 --- a/0000_README +++ b/0000_README @@ -43,6 +43,10 @@ EXPERIMENTAL Individual Patch Descriptions: -------------------------------------------------------------------------- +Patch: 1000_linux-5.0.1.patch +From: http://www.kernel.org +Desc: Linux 5.0.1 + 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/1000_linux-5.0.1.patch b/1000_linux-5.0.1.patch new file mode 100644 index 0000000..1a45071 --- /dev/null +++ b/1000_linux-5.0.1.patch @@ -0,0 +1,2134 @@ +diff --git a/Makefile b/Makefile +index d5713e7b1e506..3cd7163fe1646 100644 +--- a/Makefile ++++ b/Makefile +@@ -1,7 +1,7 @@ + # SPDX-License-Identifier: GPL-2.0 + VERSION = 5 + PATCHLEVEL = 0 +-SUBLEVEL = 0 ++SUBLEVEL = 1 + EXTRAVERSION = + NAME = Shy Crocodile + +diff --git a/arch/alpha/kernel/syscalls/syscall.tbl b/arch/alpha/kernel/syscalls/syscall.tbl +index 7b56a53be5e30..e09558edae73a 100644 +--- a/arch/alpha/kernel/syscalls/syscall.tbl ++++ b/arch/alpha/kernel/syscalls/syscall.tbl +@@ -451,3 +451,4 @@ + 520 common preadv2 sys_preadv2 + 521 common pwritev2 sys_pwritev2 + 522 common statx sys_statx ++523 common io_pgetevents sys_io_pgetevents +diff --git a/arch/mips/kernel/irq.c b/arch/mips/kernel/irq.c +index ba150c755fcce..85b6c60f285d2 100644 +--- a/arch/mips/kernel/irq.c ++++ b/arch/mips/kernel/irq.c +@@ -52,6 +52,7 @@ asmlinkage void spurious_interrupt(void) + void __init init_IRQ(void) + { + int i; ++ unsigned int order = get_order(IRQ_STACK_SIZE); + + for (i = 0; i < NR_IRQS; i++) + irq_set_noprobe(i); +@@ -62,8 +63,7 @@ void __init init_IRQ(void) + arch_init_irq(); + + for_each_possible_cpu(i) { +- int irq_pages = IRQ_STACK_SIZE / PAGE_SIZE; +- void *s = (void *)__get_free_pages(GFP_KERNEL, irq_pages); ++ void *s = (void *)__get_free_pages(GFP_KERNEL, order); + + irq_stack[i] = s; + pr_debug("CPU%d IRQ stack at 0x%p - 0x%p\n", i, +diff --git a/arch/x86/boot/compressed/pgtable_64.c b/arch/x86/boot/compressed/pgtable_64.c +index 9e21573714910..f8debf7aeb4c1 100644 +--- a/arch/x86/boot/compressed/pgtable_64.c ++++ b/arch/x86/boot/compressed/pgtable_64.c +@@ -1,5 +1,7 @@ ++#include <linux/efi.h> + #include <asm/e820/types.h> + #include <asm/processor.h> ++#include <asm/efi.h> + #include "pgtable.h" + #include "../string.h" + +@@ -37,9 +39,10 @@ int cmdline_find_option_bool(const char *option); + + static unsigned long find_trampoline_placement(void) + { +- unsigned long bios_start, ebda_start; ++ unsigned long bios_start = 0, ebda_start = 0; + unsigned long trampoline_start; + struct boot_e820_entry *entry; ++ char *signature; + int i; + + /* +@@ -47,8 +50,18 @@ static unsigned long find_trampoline_placement(void) + * This code is based on reserve_bios_regions(). + */ + +- ebda_start = *(unsigned short *)0x40e << 4; +- bios_start = *(unsigned short *)0x413 << 10; ++ /* ++ * EFI systems may not provide legacy ROM. The memory may not be mapped ++ * at all. ++ * ++ * Only look for values in the legacy ROM for non-EFI system. ++ */ ++ signature = (char *)&boot_params->efi_info.efi_loader_signature; ++ if (strncmp(signature, EFI32_LOADER_SIGNATURE, 4) && ++ strncmp(signature, EFI64_LOADER_SIGNATURE, 4)) { ++ ebda_start = *(unsigned short *)0x40e << 4; ++ bios_start = *(unsigned short *)0x413 << 10; ++ } + + if (bios_start < BIOS_START_MIN || bios_start > BIOS_START_MAX) + bios_start = BIOS_START_MAX; +diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c +index 69f6bbb41be0b..01004bfb1a1bc 100644 +--- a/arch/x86/kernel/cpu/amd.c ++++ b/arch/x86/kernel/cpu/amd.c +@@ -819,11 +819,9 @@ static void init_amd_bd(struct cpuinfo_x86 *c) + static void init_amd_zn(struct cpuinfo_x86 *c) + { + set_cpu_cap(c, X86_FEATURE_ZEN); +- /* +- * Fix erratum 1076: CPB feature bit not being set in CPUID. It affects +- * all up to and including B1. +- */ +- if (c->x86_model <= 1 && c->x86_stepping <= 1) ++ ++ /* Fix erratum 1076: CPB feature bit not being set in CPUID. */ ++ if (!cpu_has(c, X86_FEATURE_CPB)) + set_cpu_cap(c, X86_FEATURE_CPB); + } + +diff --git a/arch/xtensa/kernel/process.c b/arch/xtensa/kernel/process.c +index 74969a437a37c..2e73395f0560c 100644 +--- a/arch/xtensa/kernel/process.c ++++ b/arch/xtensa/kernel/process.c +@@ -321,8 +321,8 @@ unsigned long get_wchan(struct task_struct *p) + + /* Stack layout: sp-4: ra, sp-3: sp' */ + +- pc = MAKE_PC_FROM_RA(*(unsigned long*)sp - 4, sp); +- sp = *(unsigned long *)sp - 3; ++ pc = MAKE_PC_FROM_RA(SPILL_SLOT(sp, 0), sp); ++ sp = SPILL_SLOT(sp, 1); + } while (count++ < 16); + return 0; + } +diff --git a/drivers/android/binder.c b/drivers/android/binder.c +index 4d2b2ad1ee0e1..01f80cbd27418 100644 +--- a/drivers/android/binder.c ++++ b/drivers/android/binder.c +@@ -329,6 +329,8 @@ struct binder_error { + * (invariant after initialized) + * @min_priority: minimum scheduling priority + * (invariant after initialized) ++ * @txn_security_ctx: require sender's security context ++ * (invariant after initialized) + * @async_todo: list of async work items + * (protected by @proc->inner_lock) + * +@@ -365,6 +367,7 @@ struct binder_node { + * invariant after initialization + */ + u8 accept_fds:1; ++ u8 txn_security_ctx:1; + u8 min_priority; + }; + bool has_async_transaction; +@@ -615,6 +618,7 @@ struct binder_transaction { + long saved_priority; + kuid_t sender_euid; + struct list_head fd_fixups; ++ binder_uintptr_t security_ctx; + /** + * @lock: protects @from, @to_proc, and @to_thread + * +@@ -1152,6 +1156,7 @@ static struct binder_node *binder_init_node_ilocked( + node->work.type = BINDER_WORK_NODE; + node->min_priority = flags & FLAT_BINDER_FLAG_PRIORITY_MASK; + node->accept_fds = !!(flags & FLAT_BINDER_FLAG_ACCEPTS_FDS); ++ node->txn_security_ctx = !!(flags & FLAT_BINDER_FLAG_TXN_SECURITY_CTX); + spin_lock_init(&node->lock); + INIT_LIST_HEAD(&node->work.entry); + INIT_LIST_HEAD(&node->async_todo); +@@ -2778,6 +2783,8 @@ static void binder_transaction(struct binder_proc *proc, + binder_size_t last_fixup_min_off = 0; + struct binder_context *context = proc->context; + int t_debug_id = atomic_inc_return(&binder_last_id); ++ char *secctx = NULL; ++ u32 secctx_sz = 0; + + e = binder_transaction_log_add(&binder_transaction_log); + e->debug_id = t_debug_id; +@@ -3020,6 +3027,20 @@ static void binder_transaction(struct binder_proc *proc, + t->flags = tr->flags; + t->priority = task_nice(current); + ++ if (target_node && target_node->txn_security_ctx) { ++ u32 secid; ++ ++ security_task_getsecid(proc->tsk, &secid); ++ ret = security_secid_to_secctx(secid, &secctx, &secctx_sz); ++ if (ret) { ++ return_error = BR_FAILED_REPLY; ++ return_error_param = ret; ++ return_error_line = __LINE__; ++ goto err_get_secctx_failed; ++ } ++ extra_buffers_size += ALIGN(secctx_sz, sizeof(u64)); ++ } ++ + trace_binder_transaction(reply, t, target_node); + + t->buffer = binder_alloc_new_buf(&target_proc->alloc, tr->data_size, +@@ -3036,6 +3057,19 @@ static void binder_transaction(struct binder_proc *proc, + t->buffer = NULL; + goto err_binder_alloc_buf_failed; + } ++ if (secctx) { ++ size_t buf_offset = ALIGN(tr->data_size, sizeof(void *)) + ++ ALIGN(tr->offsets_size, sizeof(void *)) + ++ ALIGN(extra_buffers_size, sizeof(void *)) - ++ ALIGN(secctx_sz, sizeof(u64)); ++ char *kptr = t->buffer->data + buf_offset; ++ ++ t->security_ctx = (uintptr_t)kptr + ++ binder_alloc_get_user_buffer_offset(&target_proc->alloc); ++ memcpy(kptr, secctx, secctx_sz); ++ security_release_secctx(secctx, secctx_sz); ++ secctx = NULL; ++ } + t->buffer->debug_id = t->debug_id; + t->buffer->transaction = t; + t->buffer->target_node = target_node; +@@ -3305,6 +3339,9 @@ err_copy_data_failed: + t->buffer->transaction = NULL; + binder_alloc_free_buf(&target_proc->alloc, t->buffer); + err_binder_alloc_buf_failed: ++ if (secctx) ++ security_release_secctx(secctx, secctx_sz); ++err_get_secctx_failed: + kfree(tcomplete); + binder_stats_deleted(BINDER_STAT_TRANSACTION_COMPLETE); + err_alloc_tcomplete_failed: +@@ -4036,11 +4073,13 @@ retry: + + while (1) { + uint32_t cmd; +- struct binder_transaction_data tr; ++ struct binder_transaction_data_secctx tr; ++ struct binder_transaction_data *trd = &tr.transaction_data; + struct binder_work *w = NULL; + struct list_head *list = NULL; + struct binder_transaction *t = NULL; + struct binder_thread *t_from; ++ size_t trsize = sizeof(*trd); + + binder_inner_proc_lock(proc); + if (!binder_worklist_empty_ilocked(&thread->todo)) +@@ -4240,8 +4279,8 @@ retry: + if (t->buffer->target_node) { + struct binder_node *target_node = t->buffer->target_node; + +- tr.target.ptr = target_node->ptr; +- tr.cookie = target_node->cookie; ++ trd->target.ptr = target_node->ptr; ++ trd->cookie = target_node->cookie; + t->saved_priority = task_nice(current); + if (t->priority < target_node->min_priority && + !(t->flags & TF_ONE_WAY)) +@@ -4251,22 +4290,23 @@ retry: + binder_set_nice(target_node->min_priority); + cmd = BR_TRANSACTION; + } else { +- tr.target.ptr = 0; +- tr.cookie = 0; ++ trd->target.ptr = 0; ++ trd->cookie = 0; + cmd = BR_REPLY; + } +- tr.code = t->code; +- tr.flags = t->flags; +- tr.sender_euid = from_kuid(current_user_ns(), t->sender_euid); ++ trd->code = t->code; ++ trd->flags = t->flags; ++ trd->sender_euid = from_kuid(current_user_ns(), t->sender_euid); + + t_from = binder_get_txn_from(t); + if (t_from) { + struct task_struct *sender = t_from->proc->tsk; + +- tr.sender_pid = task_tgid_nr_ns(sender, +- task_active_pid_ns(current)); ++ trd->sender_pid = ++ task_tgid_nr_ns(sender, ++ task_active_pid_ns(current)); + } else { +- tr.sender_pid = 0; ++ trd->sender_pid = 0; + } + + ret = binder_apply_fd_fixups(t); +@@ -4297,15 +4337,20 @@ retry: + } + continue; + } +- tr.data_size = t->buffer->data_size; +- tr.offsets_size = t->buffer->offsets_size; +- tr.data.ptr.buffer = (binder_uintptr_t) ++ trd->data_size = t->buffer->data_size; ++ trd->offsets_size = t->buffer->offsets_size; ++ trd->data.ptr.buffer = (binder_uintptr_t) + ((uintptr_t)t->buffer->data + + binder_alloc_get_user_buffer_offset(&proc->alloc)); +- tr.data.ptr.offsets = tr.data.ptr.buffer + ++ trd->data.ptr.offsets = trd->data.ptr.buffer + + ALIGN(t->buffer->data_size, + sizeof(void *)); + ++ tr.secctx = t->security_ctx; ++ if (t->security_ctx) { ++ cmd = BR_TRANSACTION_SEC_CTX; ++ trsize = sizeof(tr); ++ } + if (put_user(cmd, (uint32_t __user *)ptr)) { + if (t_from) + binder_thread_dec_tmpref(t_from); +@@ -4316,7 +4361,7 @@ retry: + return -EFAULT; + } + ptr += sizeof(uint32_t); +- if (copy_to_user(ptr, &tr, sizeof(tr))) { ++ if (copy_to_user(ptr, &tr, trsize)) { + if (t_from) + binder_thread_dec_tmpref(t_from); + +@@ -4325,7 +4370,7 @@ retry: + + return -EFAULT; + } +- ptr += sizeof(tr); ++ ptr += trsize; + + trace_binder_transaction_received(t); + binder_stat_br(proc, thread, cmd); +@@ -4333,16 +4378,18 @@ retry: + "%d:%d %s %d %d:%d, cmd %d size %zd-%zd ptr %016llx-%016llx\n", + proc->pid, thread->pid, + (cmd == BR_TRANSACTION) ? "BR_TRANSACTION" : +- "BR_REPLY", ++ (cmd == BR_TRANSACTION_SEC_CTX) ? ++ "BR_TRANSACTION_SEC_CTX" : "BR_REPLY", + t->debug_id, t_from ? t_from->proc->pid : 0, + t_from ? t_from->pid : 0, cmd, + t->buffer->data_size, t->buffer->offsets_size, +- (u64)tr.data.ptr.buffer, (u64)tr.data.ptr.offsets); ++ (u64)trd->data.ptr.buffer, ++ (u64)trd->data.ptr.offsets); + + if (t_from) + binder_thread_dec_tmpref(t_from); + t->buffer->allow_user_free = 1; +- if (cmd == BR_TRANSACTION && !(t->flags & TF_ONE_WAY)) { ++ if (cmd != BR_REPLY && !(t->flags & TF_ONE_WAY)) { + binder_inner_proc_lock(thread->proc); + t->to_parent = thread->transaction_stack; + t->to_thread = thread; +@@ -4690,7 +4737,8 @@ out: + return ret; + } + +-static int binder_ioctl_set_ctx_mgr(struct file *filp) ++static int binder_ioctl_set_ctx_mgr(struct file *filp, ++ struct flat_binder_object *fbo) + { + int ret = 0; + struct binder_proc *proc = filp->private_data; +@@ -4719,7 +4767,7 @@ static int binder_ioctl_set_ctx_mgr(struct file *filp) + } else { + context->binder_context_mgr_uid = curr_euid; + } +- new_node = binder_new_node(proc, NULL); ++ new_node = binder_new_node(proc, fbo); + if (!new_node) { + ret = -ENOMEM; + goto out; +@@ -4842,8 +4890,20 @@ static long binder_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) + binder_inner_proc_unlock(proc); + break; + } ++ case BINDER_SET_CONTEXT_MGR_EXT: { ++ struct flat_binder_object fbo; ++ ++ if (copy_from_user(&fbo, ubuf, sizeof(fbo))) { ++ ret = -EINVAL; ++ goto err; ++ } ++ ret = binder_ioctl_set_ctx_mgr(filp, &fbo); ++ if (ret) ++ goto err; ++ break; ++ } + case BINDER_SET_CONTEXT_MGR: +- ret = binder_ioctl_set_ctx_mgr(filp); ++ ret = binder_ioctl_set_ctx_mgr(filp, NULL); + if (ret) + goto err; + break; +diff --git a/drivers/base/dd.c b/drivers/base/dd.c +index 8ac10af17c004..d62487d024559 100644 +--- a/drivers/base/dd.c ++++ b/drivers/base/dd.c +@@ -968,9 +968,9 @@ static void __device_release_driver(struct device *dev, struct device *parent) + drv->remove(dev); + + device_links_driver_cleanup(dev); +- arch_teardown_dma_ops(dev); + + devres_release_all(dev); ++ arch_teardown_dma_ops(dev); + dev->driver = NULL; + dev_set_drvdata(dev, NULL); + if (dev->pm_domain && dev->pm_domain->dismiss) +diff --git a/drivers/bluetooth/btrtl.c b/drivers/bluetooth/btrtl.c +index 41405de27d665..c91bba00df4e4 100644 +--- a/drivers/bluetooth/btrtl.c ++++ b/drivers/bluetooth/btrtl.c +@@ -552,10 +552,9 @@ struct btrtl_device_info *btrtl_initialize(struct hci_dev *hdev, + hdev->bus); + + if (!btrtl_dev->ic_info) { +- rtl_dev_err(hdev, "rtl: unknown IC info, lmp subver %04x, hci rev %04x, hci ver %04x", ++ rtl_dev_info(hdev, "rtl: unknown IC info, lmp subver %04x, hci rev %04x, hci ver %04x", + lmp_subver, hci_rev, hci_ver); +- ret = -EINVAL; +- goto err_free; ++ return btrtl_dev; + } + + if (btrtl_dev->ic_info->has_rom_version) { +@@ -610,6 +609,11 @@ int btrtl_download_firmware(struct hci_dev *hdev, + * standard btusb. Once that firmware is uploaded, the subver changes + * to a different value. + */ ++ if (!btrtl_dev->ic_info) { ++ rtl_dev_info(hdev, "rtl: assuming no firmware upload needed\n"); ++ return 0; ++ } ++ + switch (btrtl_dev->ic_info->lmp_subver) { + case RTL_ROM_LMP_8723A: + case RTL_ROM_LMP_3499: +diff --git a/drivers/char/applicom.c b/drivers/char/applicom.c +index c0a5b1f3a9863..4ccc39e00ced3 100644 +--- a/drivers/char/applicom.c ++++ b/drivers/char/applicom.c +@@ -32,6 +32,7 @@ + #include <linux/wait.h> + #include <linux/init.h> + #include <linux/fs.h> ++#include <linux/nospec.h> + + #include <asm/io.h> + #include <linux/uaccess.h> +@@ -386,7 +387,11 @@ static ssize_t ac_write(struct file *file, const char __user *buf, size_t count, + TicCard = st_loc.tic_des_from_pc; /* tic number to send */ + IndexCard = NumCard - 1; + +- if((NumCard < 1) || (NumCard > MAX_BOARD) || !apbs[IndexCard].RamIO) ++ if (IndexCard >= MAX_BOARD) ++ return -EINVAL; ++ IndexCard = array_index_nospec(IndexCard, MAX_BOARD); ++ ++ if (!apbs[IndexCard].RamIO) + return -EINVAL; + + #ifdef DEBUG +@@ -697,6 +702,7 @@ static long ac_ioctl(struct file *file, unsigned int cmd, unsigned long arg) + unsigned char IndexCard; + void __iomem *pmem; + int ret = 0; ++ static int warncount = 10; + volatile unsigned char byte_reset_it; + struct st_ram_io *adgl; + void __user *argp = (void __user *)arg; +@@ -711,16 +717,12 @@ static long ac_ioctl(struct file *file, unsigned int cmd, unsigned long arg) + mutex_lock(&ac_mutex); + IndexCard = adgl->num_card-1; + +- if(cmd != 6 && ((IndexCard >= MAX_BOARD) || !apbs[IndexCard].RamIO)) { +- static int warncount = 10; +- if (warncount) { +- printk( KERN_WARNING "APPLICOM driver IOCTL, bad board number %d\n",(int)IndexCard+1); +- warncount--; +- } +- kfree(adgl); +- mutex_unlock(&ac_mutex); +- return -EINVAL; +- } ++ if (cmd != 6 && IndexCard >= MAX_BOARD) ++ goto err; ++ IndexCard = array_index_nospec(IndexCard, MAX_BOARD); ++ ++ if (cmd != 6 && !apbs[IndexCard].RamIO) ++ goto err; + + switch (cmd) { + +@@ -838,5 +840,16 @@ static long ac_ioctl(struct file *file, unsigned int cmd, unsigned long arg) + kfree(adgl); + mutex_unlock(&ac_mutex); + return 0; ++ ++err: ++ if (warncount) { ++ pr_warn("APPLICOM driver IOCTL, bad board number %d\n", ++ (int)IndexCard + 1); ++ warncount--; ++ } ++ kfree(adgl); ++ mutex_unlock(&ac_mutex); ++ return -EINVAL; ++ + } + +diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c +index e35a886e00bcf..ef0e33e21b988 100644 +--- a/drivers/cpufreq/cpufreq.c ++++ b/drivers/cpufreq/cpufreq.c +@@ -545,13 +545,13 @@ EXPORT_SYMBOL_GPL(cpufreq_policy_transition_delay_us); + * SYSFS INTERFACE * + *********************************************************************/ + static ssize_t show_boost(struct kobject *kobj, +- struct attribute *attr, char *buf) ++ struct kobj_attribute *attr, char *buf) + { + return sprintf(buf, "%d\n", cpufreq_driver->boost_enabled); + } + +-static ssize_t store_boost(struct kobject *kobj, struct attribute *attr, +- const char *buf, size_t count) ++static ssize_t store_boost(struct kobject *kobj, struct kobj_attribute *attr, ++ const char *buf, size_t count) + { + int ret, enable; + +diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c +index dd66decf2087c..5ab6a4fe93aa6 100644 +--- a/drivers/cpufreq/intel_pstate.c ++++ b/drivers/cpufreq/intel_pstate.c +@@ -895,7 +895,7 @@ static void intel_pstate_update_policies(void) + /************************** sysfs begin ************************/ + #define show_one(file_name, object) \ + static ssize_t show_##file_name \ +- (struct kobject *kobj, struct attribute *attr, char *buf) \ ++ (struct kobject *kobj, struct kobj_attribute *attr, char *buf) \ + { \ + return sprintf(buf, "%u\n", global.object); \ + } +@@ -904,7 +904,7 @@ static ssize_t intel_pstate_show_status(char *buf); + static int intel_pstate_update_status(const char *buf, size_t size); + + static ssize_t show_status(struct kobject *kobj, +- struct attribute *attr, char *buf) ++ struct kobj_attribute *attr, char *buf) + { + ssize_t ret; + +@@ -915,7 +915,7 @@ static ssize_t show_status(struct kobject *kobj, + return ret; + } + +-static ssize_t store_status(struct kobject *a, struct attribute *b, ++static ssize_t store_status(struct kobject *a, struct kobj_attribute *b, + const char *buf, size_t count) + { + char *p = memchr(buf, '\n', count); +@@ -929,7 +929,7 @@ static ssize_t store_status(struct kobject *a, struct attribute *b, + } + + static ssize_t show_turbo_pct(struct kobject *kobj, +- struct attribute *attr, char *buf) ++ struct kobj_attribute *attr, char *buf) + { + struct cpudata *cpu; + int total, no_turbo, turbo_pct; +@@ -955,7 +955,7 @@ static ssize_t show_turbo_pct(struct kobject *kobj, + } + + static ssize_t show_num_pstates(struct kobject *kobj, +- struct attribute *attr, char *buf) ++ struct kobj_attribute *attr, char *buf) + { + struct cpudata *cpu; + int total; +@@ -976,7 +976,7 @@ static ssize_t show_num_pstates(struct kobject *kobj, + } + + static ssize_t show_no_turbo(struct kobject *kobj, +- struct attribute *attr, char *buf) ++ struct kobj_attribute *attr, char *buf) + { + ssize_t ret; + +@@ -998,7 +998,7 @@ static ssize_t show_no_turbo(struct kobject *kobj, + return ret; + } + +-static ssize_t store_no_turbo(struct kobject *a, struct attribute *b, ++static ssize_t store_no_turbo(struct kobject *a, struct kobj_attribute *b, + const char *buf, size_t count) + { + unsigned int input; +@@ -1045,7 +1045,7 @@ static ssize_t store_no_turbo(struct kobject *a, struct attribute *b, + return count; + } + +-static ssize_t store_max_perf_pct(struct kobject *a, struct attribute *b, ++static ssize_t store_max_perf_pct(struct kobject *a, struct kobj_attribute *b, + const char *buf, size_t count) + { + unsigned int input; +@@ -1075,7 +1075,7 @@ static ssize_t store_max_perf_pct(struct kobject *a, struct attribute *b, + return count; + } + +-static ssize_t store_min_perf_pct(struct kobject *a, struct attribute *b, ++static ssize_t store_min_perf_pct(struct kobject *a, struct kobj_attribute *b, + const char *buf, size_t count) + { + unsigned int input; +@@ -1107,12 +1107,13 @@ static ssize_t store_min_perf_pct(struct kobject *a, struct attribute *b, + } + + static ssize_t show_hwp_dynamic_boost(struct kobject *kobj, +- struct attribute *attr, char *buf) ++ struct kobj_attribute *attr, char *buf) + { + return sprintf(buf, "%u\n", hwp_boost); + } + +-static ssize_t store_hwp_dynamic_boost(struct kobject *a, struct attribute *b, ++static ssize_t store_hwp_dynamic_boost(struct kobject *a, ++ struct kobj_attribute *b, + const char *buf, size_t count) + { + unsigned int input; +diff --git a/drivers/gnss/sirf.c b/drivers/gnss/sirf.c +index 226f6e6fe01bc..8e3f6a776e02e 100644 +--- a/drivers/gnss/sirf.c ++++ b/drivers/gnss/sirf.c +@@ -310,30 +310,26 @@ static int sirf_probe(struct serdev_device *serdev) + ret = -ENODEV; + goto err_put_device; + } ++ ++ ret = regulator_enable(data->vcc); ++ if (ret) ++ goto err_put_device; ++ ++ /* Wait for chip to boot into hibernate mode. */ ++ msleep(SIRF_BOOT_DELAY); + } + + if (data->wakeup) { + ret = gpiod_to_irq(data->wakeup); + if (ret < 0) +- goto err_put_device; +- ++ goto err_disable_vcc; + data->irq = ret; + +- ret = devm_request_threaded_irq(dev, data->irq, NULL, +- sirf_wakeup_handler, ++ ret = request_threaded_irq(data->irq, NULL, sirf_wakeup_handler, + IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING | IRQF_ONESHOT, + "wakeup", data); + if (ret) +- goto err_put_device; +- } +- +- if (data->on_off) { +- ret = regulator_enable(data->vcc); +- if (ret) +- goto err_put_device; +- +- /* Wait for chip to boot into hibernate mode */ +- msleep(SIRF_BOOT_DELAY); ++ goto err_disable_vcc; + } + + if (IS_ENABLED(CONFIG_PM)) { +@@ -342,7 +338,7 @@ static int sirf_probe(struct serdev_device *serdev) + } else { + ret = sirf_runtime_resume(dev); + if (ret < 0) +- goto err_disable_vcc; ++ goto err_free_irq; + } + + ret = gnss_register_device(gdev); +@@ -356,6 +352,9 @@ err_disable_rpm: + pm_runtime_disable(dev); + else + sirf_runtime_suspend(dev); ++err_free_irq: ++ if (data->wakeup) ++ free_irq(data->irq, data); + err_disable_vcc: + if (data->on_off) + regulator_disable(data->vcc); +@@ -376,6 +375,9 @@ static void sirf_remove(struct serdev_device *serdev) + else + sirf_runtime_suspend(&serdev->dev); + ++ if (data->wakeup) ++ free_irq(data->irq, data); ++ + if (data->on_off) + regulator_disable(data->vcc); + +diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c +index 7e3c00bd9532a..76cc163b3cf15 100644 +--- a/drivers/net/dsa/mv88e6xxx/chip.c ++++ b/drivers/net/dsa/mv88e6xxx/chip.c +@@ -4222,7 +4222,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = { + .name = "Marvell 88E6190", + .num_databases = 4096, + .num_ports = 11, /* 10 + Z80 */ +- .num_internal_phys = 11, ++ .num_internal_phys = 9, + .num_gpio = 16, + .max_vid = 8191, + .port_base_addr = 0x0, +@@ -4245,7 +4245,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = { + .name = "Marvell 88E6190X", + .num_databases = 4096, + .num_ports = 11, /* 10 + Z80 */ +- .num_internal_phys = 11, ++ .num_internal_phys = 9, + .num_gpio = 16, + .max_vid = 8191, + .port_base_addr = 0x0, +@@ -4268,7 +4268,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = { + .name = "Marvell 88E6191", + .num_databases = 4096, + .num_ports = 11, /* 10 + Z80 */ +- .num_internal_phys = 11, ++ .num_internal_phys = 9, + .max_vid = 8191, + .port_base_addr = 0x0, + .phy_base_addr = 0x0, +@@ -4315,7 +4315,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = { + .name = "Marvell 88E6290", + .num_databases = 4096, + .num_ports = 11, /* 10 + Z80 */ +- .num_internal_phys = 11, ++ .num_internal_phys = 9, + .num_gpio = 16, + .max_vid = 8191, + .port_base_addr = 0x0, +@@ -4477,7 +4477,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = { + .name = "Marvell 88E6390", + .num_databases = 4096, + .num_ports = 11, /* 10 + Z80 */ +- .num_internal_phys = 11, ++ .num_internal_phys = 9, + .num_gpio = 16, + .max_vid = 8191, + .port_base_addr = 0x0, +@@ -4500,7 +4500,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = { + .name = "Marvell 88E6390X", + .num_databases = 4096, + .num_ports = 11, /* 10 + Z80 */ +- .num_internal_phys = 11, ++ .num_internal_phys = 9, + .num_gpio = 16, + .max_vid = 8191, + .port_base_addr = 0x0, +@@ -4847,6 +4847,7 @@ static int mv88e6xxx_probe(struct mdio_device *mdiodev) + if (err) + goto out; + ++ mv88e6xxx_ports_cmode_init(chip); + mv88e6xxx_phy_init(chip); + + if (chip->info->ops->get_eeprom) { +diff --git a/drivers/net/dsa/mv88e6xxx/port.c b/drivers/net/dsa/mv88e6xxx/port.c +index 79ab51e69aee4..184c2b1b31159 100644 +--- a/drivers/net/dsa/mv88e6xxx/port.c ++++ b/drivers/net/dsa/mv88e6xxx/port.c +@@ -190,7 +190,7 @@ int mv88e6xxx_port_set_duplex(struct mv88e6xxx_chip *chip, int port, int dup) + /* normal duplex detection */ + break; + default: +- return -EINVAL; ++ return -EOPNOTSUPP; + } + + err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_MAC_CTL, reg); +diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c +index 57727fe1501ee..8b3495ee2b6eb 100644 +--- a/drivers/net/ethernet/marvell/sky2.c ++++ b/drivers/net/ethernet/marvell/sky2.c +@@ -46,6 +46,7 @@ + #include <linux/mii.h> + #include <linux/of_device.h> + #include <linux/of_net.h> ++#include <linux/dmi.h> + + #include <asm/irq.h> + +@@ -93,7 +94,7 @@ static int copybreak __read_mostly = 128; + module_param(copybreak, int, 0); + MODULE_PARM_DESC(copybreak, "Receive copy threshold"); + +-static int disable_msi = 0; ++static int disable_msi = -1; + module_param(disable_msi, int, 0); + MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)"); + +@@ -4917,6 +4918,24 @@ static const char *sky2_name(u8 chipid, char *buf, int sz) + return buf; + } + ++static const struct dmi_system_id msi_blacklist[] = { ++ { ++ .ident = "Dell Inspiron 1545", ++ .matches = { ++ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), ++ DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1545"), ++ }, ++ }, ++ { ++ .ident = "Gateway P-79", ++ .matches = { ++ DMI_MATCH(DMI_SYS_VENDOR, "Gateway"), ++ DMI_MATCH(DMI_PRODUCT_NAME, "P-79"), ++ }, ++ }, ++ {} ++}; ++ + static int sky2_probe(struct pci_dev *pdev, const struct pci_device_id *ent) + { + struct net_device *dev, *dev1; +@@ -5028,6 +5047,9 @@ static int sky2_probe(struct pci_dev *pdev, const struct pci_device_id *ent) + goto err_out_free_pci; + } + ++ if (disable_msi == -1) ++ disable_msi = !!dmi_check_system(msi_blacklist); ++ + if (!disable_msi && pci_enable_msi(pdev) == 0) { + err = sky2_test_msi(hw); + if (err) { +diff --git a/drivers/net/ethernet/mscc/ocelot_board.c b/drivers/net/ethernet/mscc/ocelot_board.c +index ca3ea2fbfcd08..80d87798c62b8 100644 +--- a/drivers/net/ethernet/mscc/ocelot_board.c ++++ b/drivers/net/ethernet/mscc/ocelot_board.c +@@ -267,6 +267,7 @@ static int mscc_ocelot_probe(struct platform_device *pdev) + struct phy *serdes; + void __iomem *regs; + char res_name[8]; ++ int phy_mode; + u32 port; + + if (of_property_read_u32(portnp, "reg", &port)) +@@ -292,11 +293,11 @@ static int mscc_ocelot_probe(struct platform_device *pdev) + if (err) + return err; + +- err = of_get_phy_mode(portnp); +- if (err < 0) ++ phy_mode = of_get_phy_mode(portnp); ++ if (phy_mode < 0) + ocelot->ports[port]->phy_mode = PHY_INTERFACE_MODE_NA; + else +- ocelot->ports[port]->phy_mode = err; ++ ocelot->ports[port]->phy_mode = phy_mode; + + switch (ocelot->ports[port]->phy_mode) { + case PHY_INTERFACE_MODE_NA: +@@ -304,6 +305,13 @@ static int mscc_ocelot_probe(struct platform_device *pdev) + case PHY_INTERFACE_MODE_SGMII: + break; + case PHY_INTERFACE_MODE_QSGMII: ++ /* Ensure clock signals and speed is set on all ++ * QSGMII links ++ */ ++ ocelot_port_writel(ocelot->ports[port], ++ DEV_CLOCK_CFG_LINK_SPEED ++ (OCELOT_SPEED_1000), ++ DEV_CLOCK_CFG); + break; + default: + dev_err(ocelot->dev, +diff --git a/drivers/net/team/team_mode_loadbalance.c b/drivers/net/team/team_mode_loadbalance.c +index a5ef97010eb34..5541e1c19936c 100644 +--- a/drivers/net/team/team_mode_loadbalance.c ++++ b/drivers/net/team/team_mode_loadbalance.c +@@ -325,6 +325,20 @@ static int lb_bpf_func_set(struct team *team, struct team_gsetter_ctx *ctx) + return 0; + } + ++static void lb_bpf_func_free(struct team *team) ++{ ++ struct lb_priv *lb_priv = get_lb_priv(team); ++ struct bpf_prog *fp; ++ ++ if (!lb_priv->ex->orig_fprog) ++ return; ++ ++ __fprog_destroy(lb_priv->ex->orig_fprog); ++ fp = rcu_dereference_protected(lb_priv->fp, ++ lockdep_is_held(&team->lock)); ++ bpf_prog_destroy(fp); ++} ++ + static int lb_tx_method_get(struct team *team, struct team_gsetter_ctx *ctx) + { + struct lb_priv *lb_priv = get_lb_priv(team); +@@ -639,6 +653,7 @@ static void lb_exit(struct team *team) + + team_options_unregister(team, lb_options, + ARRAY_SIZE(lb_options)); ++ lb_bpf_func_free(team); + cancel_delayed_work_sync(&lb_priv->ex->stats.refresh_dw); + free_percpu(lb_priv->pcpu_stats); + kfree(lb_priv->ex); +diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c +index 18af2f8eee96a..74bebbdb4b158 100644 +--- a/drivers/net/usb/qmi_wwan.c ++++ b/drivers/net/usb/qmi_wwan.c +@@ -976,6 +976,13 @@ static const struct usb_device_id products[] = { + 0xff), + .driver_info = (unsigned long)&qmi_wwan_info_quirk_dtr, + }, ++ { /* Quectel EG12/EM12 */ ++ USB_DEVICE_AND_INTERFACE_INFO(0x2c7c, 0x0512, ++ USB_CLASS_VENDOR_SPEC, ++ USB_SUBCLASS_VENDOR_SPEC, ++ 0xff), ++ .driver_info = (unsigned long)&qmi_wwan_info_quirk_dtr, ++ }, + + /* 3. Combined interface devices matching on interface number */ + {QMI_FIXED_INTF(0x0408, 0xea42, 4)}, /* Yota / Megafon M100-1 */ +@@ -1343,17 +1350,20 @@ static bool quectel_ec20_detected(struct usb_interface *intf) + return false; + } + +-static bool quectel_ep06_diag_detected(struct usb_interface *intf) ++static bool quectel_diag_detected(struct usb_interface *intf) + { + struct usb_device *dev = interface_to_usbdev(intf); + struct usb_interface_descriptor intf_desc = intf->cur_altsetting->desc; ++ u16 id_vendor = le16_to_cpu(dev->descriptor.idVendor); ++ u16 id_product = le16_to_cpu(dev->descriptor.idProduct); + +- if (le16_to_cpu(dev->descriptor.idVendor) == 0x2c7c && +- le16_to_cpu(dev->descriptor.idProduct) == 0x0306 && +- intf_desc.bNumEndpoints == 2) +- return true; ++ if (id_vendor != 0x2c7c || intf_desc.bNumEndpoints != 2) ++ return false; + +- return false; ++ if (id_product == 0x0306 || id_product == 0x0512) ++ return true; ++ else ++ return false; + } + + static int qmi_wwan_probe(struct usb_interface *intf, +@@ -1390,13 +1400,13 @@ static int qmi_wwan_probe(struct usb_interface *intf, + return -ENODEV; + } + +- /* Quectel EP06/EM06/EG06 supports dynamic interface configuration, so ++ /* Several Quectel modems supports dynamic interface configuration, so + * we need to match on class/subclass/protocol. These values are + * identical for the diagnostic- and QMI-interface, but bNumEndpoints is + * different. Ignore the current interface if the number of endpoints + * the number for the diag interface (two). + */ +- if (quectel_ep06_diag_detected(intf)) ++ if (quectel_diag_detected(intf)) + return -ENODEV; + + return usbnet_probe(intf, id); +diff --git a/drivers/staging/android/ashmem.c b/drivers/staging/android/ashmem.c +index 90a8a9f1ac7d8..910826df4a316 100644 +--- a/drivers/staging/android/ashmem.c ++++ b/drivers/staging/android/ashmem.c +@@ -75,6 +75,9 @@ struct ashmem_range { + /* LRU list of unpinned pages, protected by ashmem_mutex */ + static LIST_HEAD(ashmem_lru_list); + ++static atomic_t ashmem_shrink_inflight = ATOMIC_INIT(0); ++static DECLARE_WAIT_QUEUE_HEAD(ashmem_shrink_wait); ++ + /* + * long lru_count - The count of pages on our LRU list. + * +@@ -168,19 +171,15 @@ static inline void lru_del(struct ashmem_range *range) + * @end: The ending page (inclusive) + * + * This function is protected by ashmem_mutex. +- * +- * Return: 0 if successful, or -ENOMEM if there is an error + */ +-static int range_alloc(struct ashmem_area *asma, +- struct ashmem_range *prev_range, unsigned int purged, +- size_t start, size_t end) ++static void range_alloc(struct ashmem_area *asma, ++ struct ashmem_range *prev_range, unsigned int purged, ++ size_t start, size_t end, ++ struct ashmem_range **new_range) + { +- struct ashmem_range *range; +- +- range = kmem_cache_zalloc(ashmem_range_cachep, GFP_KERNEL); +- if (!range) +- return -ENOMEM; ++ struct ashmem_range *range = *new_range; + ++ *new_range = NULL; + range->asma = asma; + range->pgstart = start; + range->pgend = end; +@@ -190,8 +189,6 @@ static int range_alloc(struct ashmem_area *asma, + + if (range_on_lru(range)) + lru_add(range); +- +- return 0; + } + + /** +@@ -438,7 +435,6 @@ out: + static unsigned long + ashmem_shrink_scan(struct shrinker *shrink, struct shrink_control *sc) + { +- struct ashmem_range *range, *next; + unsigned long freed = 0; + + /* We might recurse into filesystem code, so bail out if necessary */ +@@ -448,21 +444,33 @@ ashmem_shrink_scan(struct shrinker *shrink, struct shrink_control *sc) + if (!mutex_trylock(&ashmem_mutex)) + return -1; + +- list_for_each_entry_safe(range, next, &ashmem_lru_list, lru) { ++ while (!list_empty(&ashmem_lru_list)) { ++ struct ashmem_range *range = ++ list_first_entry(&ashmem_lru_list, typeof(*range), lru); + loff_t start = range->pgstart * PAGE_SIZE; + loff_t end = (range->pgend + 1) * PAGE_SIZE; ++ struct file *f = range->asma->file; + +- range->asma->file->f_op->fallocate(range->asma->file, +- FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, +- start, end - start); ++ get_file(f); ++ atomic_inc(&ashmem_shrink_inflight); + range->purged = ASHMEM_WAS_PURGED; + lru_del(range); + + freed += range_size(range); ++ mutex_unlock(&ashmem_mutex); ++ f->f_op->fallocate(f, ++ FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, ++ start, end - start); ++ fput(f); ++ if (atomic_dec_and_test(&ashmem_shrink_inflight)) ++ wake_up_all(&ashmem_shrink_wait); ++ if (!mutex_trylock(&ashmem_mutex)) ++ goto out; + if (--sc->nr_to_scan <= 0) + break; + } + mutex_unlock(&ashmem_mutex); ++out: + return freed; + } + +@@ -582,7 +590,8 @@ static int get_name(struct ashmem_area *asma, void __user *name) + * + * Caller must hold ashmem_mutex. + */ +-static int ashmem_pin(struct ashmem_area *asma, size_t pgstart, size_t pgend) ++static int ashmem_pin(struct ashmem_area *asma, size_t pgstart, size_t pgend, ++ struct ashmem_range **new_range) + { + struct ashmem_range *range, *next; + int ret = ASHMEM_NOT_PURGED; +@@ -635,7 +644,7 @@ static int ashmem_pin(struct ashmem_area *asma, size_t pgstart, size_t pgend) + * second half and adjust the first chunk's endpoint. + */ + range_alloc(asma, range, range->purged, +- pgend + 1, range->pgend); ++ pgend + 1, range->pgend, new_range); + range_shrink(range, range->pgstart, pgstart - 1); + break; + } +@@ -649,7 +658,8 @@ static int ashmem_pin(struct ashmem_area *asma, size_t pgstart, size_t pgend) + * + * Caller must hold ashmem_mutex. + */ +-static int ashmem_unpin(struct ashmem_area *asma, size_t pgstart, size_t pgend) ++static int ashmem_unpin(struct ashmem_area *asma, size_t pgstart, size_t pgend, ++ struct ashmem_range **new_range) + { + struct ashmem_range *range, *next; + unsigned int purged = ASHMEM_NOT_PURGED; +@@ -675,7 +685,8 @@ restart: + } + } + +- return range_alloc(asma, range, purged, pgstart, pgend); ++ range_alloc(asma, range, purged, pgstart, pgend, new_range); ++ return 0; + } + + /* +@@ -708,11 +719,19 @@ static int ashmem_pin_unpin(struct ashmem_area *asma, unsigned long cmd, + struct ashmem_pin pin; + size_t pgstart, pgend; + int ret = -EINVAL; ++ struct ashmem_range *range = NULL; + + if (copy_from_user(&pin, p, sizeof(pin))) + return -EFAULT; + ++ if (cmd == ASHMEM_PIN || cmd == ASHMEM_UNPIN) { ++ range = kmem_cache_zalloc(ashmem_range_cachep, GFP_KERNEL); ++ if (!range) ++ return -ENOMEM; ++ } ++ + mutex_lock(&ashmem_mutex); ++ wait_event(ashmem_shrink_wait, !atomic_read(&ashmem_shrink_inflight)); + + if (!asma->file) + goto out_unlock; +@@ -735,10 +754,10 @@ static int ashmem_pin_unpin(struct ashmem_area *asma, unsigned long cmd, + + switch (cmd) { + case ASHMEM_PIN: +- ret = ashmem_pin(asma, pgstart, pgend); ++ ret = ashmem_pin(asma, pgstart, pgend, &range); + break; + case ASHMEM_UNPIN: +- ret = ashmem_unpin(asma, pgstart, pgend); ++ ret = ashmem_unpin(asma, pgstart, pgend, &range); + break; + case ASHMEM_GET_PIN_STATUS: + ret = ashmem_get_pin_status(asma, pgstart, pgend); +@@ -747,6 +766,8 @@ static int ashmem_pin_unpin(struct ashmem_area *asma, unsigned long cmd, + + out_unlock: + mutex_unlock(&ashmem_mutex); ++ if (range) ++ kmem_cache_free(ashmem_range_cachep, range); + + return ret; + } +diff --git a/drivers/staging/android/ion/ion_system_heap.c b/drivers/staging/android/ion/ion_system_heap.c +index 0383f7548d48e..20f2103a4ebfb 100644 +--- a/drivers/staging/android/ion/ion_system_heap.c ++++ b/drivers/staging/android/ion/ion_system_heap.c +@@ -223,10 +223,10 @@ static void ion_system_heap_destroy_pools(struct ion_page_pool **pools) + static int ion_system_heap_create_pools(struct ion_page_pool **pools) + { + int i; +- gfp_t gfp_flags = low_order_gfp_flags; + + for (i = 0; i < NUM_ORDERS; i++) { + struct ion_page_pool *pool; ++ gfp_t gfp_flags = low_order_gfp_flags; + + if (orders[i] > 4) + gfp_flags = high_order_gfp_flags; +diff --git a/drivers/staging/comedi/drivers/ni_660x.c b/drivers/staging/comedi/drivers/ni_660x.c +index e70a461e723f8..405573e927cfc 100644 +--- a/drivers/staging/comedi/drivers/ni_660x.c ++++ b/drivers/staging/comedi/drivers/ni_660x.c +@@ -656,6 +656,7 @@ static int ni_660x_set_pfi_routing(struct comedi_device *dev, + case NI_660X_PFI_OUTPUT_DIO: + if (chan > 31) + return -EINVAL; ++ break; + default: + return -EINVAL; + } +diff --git a/drivers/staging/erofs/inode.c b/drivers/staging/erofs/inode.c +index d7fbf5f4600f3..f99954dbfdb58 100644 +--- a/drivers/staging/erofs/inode.c ++++ b/drivers/staging/erofs/inode.c +@@ -185,16 +185,16 @@ static int fill_inode(struct inode *inode, int isdir) + /* setup the new inode */ + if (S_ISREG(inode->i_mode)) { + #ifdef CONFIG_EROFS_FS_XATTR +- if (vi->xattr_isize) +- inode->i_op = &erofs_generic_xattr_iops; ++ inode->i_op = &erofs_generic_xattr_iops; + #endif + inode->i_fop = &generic_ro_fops; + } else if (S_ISDIR(inode->i_mode)) { + inode->i_op = + #ifdef CONFIG_EROFS_FS_XATTR +- vi->xattr_isize ? &erofs_dir_xattr_iops : +-#endif ++ &erofs_dir_xattr_iops; ++#else + &erofs_dir_iops; ++#endif + inode->i_fop = &erofs_dir_fops; + } else if (S_ISLNK(inode->i_mode)) { + /* by default, page_get_link is used for symlink */ +diff --git a/drivers/staging/erofs/internal.h b/drivers/staging/erofs/internal.h +index e049d00c087a0..16249d7f08953 100644 +--- a/drivers/staging/erofs/internal.h ++++ b/drivers/staging/erofs/internal.h +@@ -354,12 +354,17 @@ static inline erofs_off_t iloc(struct erofs_sb_info *sbi, erofs_nid_t nid) + return blknr_to_addr(sbi->meta_blkaddr) + (nid << sbi->islotbits); + } + +-#define inode_set_inited_xattr(inode) (EROFS_V(inode)->flags |= 1) +-#define inode_has_inited_xattr(inode) (EROFS_V(inode)->flags & 1) ++/* atomic flag definitions */ ++#define EROFS_V_EA_INITED_BIT 0 ++ ++/* bitlock definitions (arranged in reverse order) */ ++#define EROFS_V_BL_XATTR_BIT (BITS_PER_LONG - 1) + + struct erofs_vnode { + erofs_nid_t nid; +- unsigned int flags; ++ ++ /* atomic flags (including bitlocks) */ ++ unsigned long flags; + + unsigned char data_mapping_mode; + /* inline size in bytes */ +diff --git a/drivers/staging/erofs/unzip_vle.c b/drivers/staging/erofs/unzip_vle.c +index 4ac1099a39c6c..ca2e8fd789591 100644 +--- a/drivers/staging/erofs/unzip_vle.c ++++ b/drivers/staging/erofs/unzip_vle.c +@@ -107,15 +107,30 @@ enum z_erofs_vle_work_role { + Z_EROFS_VLE_WORK_SECONDARY, + Z_EROFS_VLE_WORK_PRIMARY, + /* +- * The current work has at least been linked with the following +- * processed chained works, which means if the processing page +- * is the tail partial page of the work, the current work can +- * safely use the whole page, as illustrated below: +- * +--------------+-------------------------------------------+ +- * | tail page | head page (of the previous work) | +- * +--------------+-------------------------------------------+ +- * /\ which belongs to the current work +- * [ (*) this page can be used for the current work itself. ] ++ * The current work was the tail of an exist chain, and the previous ++ * processed chained works are all decided to be hooked up to it. ++ * A new chain should be created for the remaining unprocessed works, ++ * therefore different from Z_EROFS_VLE_WORK_PRIMARY_FOLLOWED, ++ * the next work cannot reuse the whole page in the following scenario: ++ * ________________________________________________________________ ++ * | tail (partial) page | head (partial) page | ++ * | (belongs to the next work) | (belongs to the current work) | ++ * |_______PRIMARY_FOLLOWED_______|________PRIMARY_HOOKED___________| ++ */ ++ Z_EROFS_VLE_WORK_PRIMARY_HOOKED, ++ /* ++ * The current work has been linked with the processed chained works, ++ * and could be also linked with the potential remaining works, which ++ * means if the processing page is the tail partial page of the work, ++ * the current work can safely use the whole page (since the next work ++ * is under control) for in-place decompression, as illustrated below: ++ * ________________________________________________________________ ++ * | tail (partial) page | head (partial) page | ++ * | (of the current work) | (of the previous work) | ++ * | PRIMARY_FOLLOWED or | | ++ * |_____PRIMARY_HOOKED____|____________PRIMARY_FOLLOWED____________| ++ * ++ * [ (*) the above page can be used for the current work itself. ] + */ + Z_EROFS_VLE_WORK_PRIMARY_FOLLOWED, + Z_EROFS_VLE_WORK_MAX +@@ -315,10 +330,10 @@ static int z_erofs_vle_work_add_page( + return ret ? 0 : -EAGAIN; + } + +-static inline bool try_to_claim_workgroup( +- struct z_erofs_vle_workgroup *grp, +- z_erofs_vle_owned_workgrp_t *owned_head, +- bool *hosted) ++static enum z_erofs_vle_work_role ++try_to_claim_workgroup(struct z_erofs_vle_workgroup *grp, ++ z_erofs_vle_owned_workgrp_t *owned_head, ++ bool *hosted) + { + DBG_BUGON(*hosted == true); + +@@ -332,6 +347,9 @@ retry: + + *owned_head = &grp->next; + *hosted = true; ++ /* lucky, I am the followee :) */ ++ return Z_EROFS_VLE_WORK_PRIMARY_FOLLOWED; ++ + } else if (grp->next == Z_EROFS_VLE_WORKGRP_TAIL) { + /* + * type 2, link to the end of a existing open chain, +@@ -341,12 +359,11 @@ retry: + if (cmpxchg(&grp->next, Z_EROFS_VLE_WORKGRP_TAIL, + *owned_head) != Z_EROFS_VLE_WORKGRP_TAIL) + goto retry; +- + *owned_head = Z_EROFS_VLE_WORKGRP_TAIL; +- } else +- return false; /* :( better luck next time */ ++ return Z_EROFS_VLE_WORK_PRIMARY_HOOKED; ++ } + +- return true; /* lucky, I am the followee :) */ ++ return Z_EROFS_VLE_WORK_PRIMARY; /* :( better luck next time */ + } + + struct z_erofs_vle_work_finder { +@@ -424,12 +441,9 @@ z_erofs_vle_work_lookup(const struct z_erofs_vle_work_finder *f) + *f->hosted = false; + if (!primary) + *f->role = Z_EROFS_VLE_WORK_SECONDARY; +- /* claim the workgroup if possible */ +- else if (try_to_claim_workgroup(grp, f->owned_head, f->hosted)) +- *f->role = Z_EROFS_VLE_WORK_PRIMARY_FOLLOWED; +- else +- *f->role = Z_EROFS_VLE_WORK_PRIMARY; +- ++ else /* claim the workgroup if possible */ ++ *f->role = try_to_claim_workgroup(grp, f->owned_head, ++ f->hosted); + return work; + } + +@@ -493,6 +507,9 @@ z_erofs_vle_work_register(const struct z_erofs_vle_work_finder *f, + return work; + } + ++#define builder_is_hooked(builder) \ ++ ((builder)->role >= Z_EROFS_VLE_WORK_PRIMARY_HOOKED) ++ + #define builder_is_followed(builder) \ + ((builder)->role >= Z_EROFS_VLE_WORK_PRIMARY_FOLLOWED) + +@@ -686,7 +703,7 @@ static int z_erofs_do_read_page(struct z_erofs_vle_frontend *fe, + struct z_erofs_vle_work_builder *const builder = &fe->builder; + const loff_t offset = page_offset(page); + +- bool tight = builder_is_followed(builder); ++ bool tight = builder_is_hooked(builder); + struct z_erofs_vle_work *work = builder->work; + + enum z_erofs_cache_alloctype cache_strategy; +@@ -704,8 +721,12 @@ repeat: + + /* lucky, within the range of the current map_blocks */ + if (offset + cur >= map->m_la && +- offset + cur < map->m_la + map->m_llen) ++ offset + cur < map->m_la + map->m_llen) { ++ /* didn't get a valid unzip work previously (very rare) */ ++ if (!builder->work) ++ goto restart_now; + goto hitted; ++ } + + /* go ahead the next map_blocks */ + debugln("%s: [out-of-range] pos %llu", __func__, offset + cur); +@@ -719,6 +740,7 @@ repeat: + if (unlikely(err)) + goto err_out; + ++restart_now: + if (unlikely(!(map->m_flags & EROFS_MAP_MAPPED))) + goto hitted; + +@@ -740,7 +762,7 @@ repeat: + map->m_plen / PAGE_SIZE, + cache_strategy, page_pool, GFP_KERNEL); + +- tight &= builder_is_followed(builder); ++ tight &= builder_is_hooked(builder); + work = builder->work; + hitted: + cur = end - min_t(unsigned int, offset + end - map->m_la, end); +@@ -755,6 +777,9 @@ hitted: + (tight ? Z_EROFS_PAGE_TYPE_EXCLUSIVE : + Z_EROFS_VLE_PAGE_TYPE_TAIL_SHARED)); + ++ if (cur) ++ tight &= builder_is_followed(builder); ++ + retry: + err = z_erofs_vle_work_add_page(builder, page, page_type); + /* should allocate an additional staging page for pagevec */ +diff --git a/drivers/staging/erofs/xattr.c b/drivers/staging/erofs/xattr.c +index 80dca6a4adbe2..6cb05ae312338 100644 +--- a/drivers/staging/erofs/xattr.c ++++ b/drivers/staging/erofs/xattr.c +@@ -44,19 +44,48 @@ static inline void xattr_iter_end_final(struct xattr_iter *it) + + static int init_inode_xattrs(struct inode *inode) + { ++ struct erofs_vnode *const vi = EROFS_V(inode); + struct xattr_iter it; + unsigned int i; + struct erofs_xattr_ibody_header *ih; + struct super_block *sb; + struct erofs_sb_info *sbi; +- struct erofs_vnode *vi; + bool atomic_map; ++ int ret = 0; + +- if (likely(inode_has_inited_xattr(inode))) ++ /* the most case is that xattrs of this inode are initialized. */ ++ if (test_bit(EROFS_V_EA_INITED_BIT, &vi->flags)) + return 0; + +- vi = EROFS_V(inode); +- BUG_ON(!vi->xattr_isize); ++ if (wait_on_bit_lock(&vi->flags, EROFS_V_BL_XATTR_BIT, TASK_KILLABLE)) ++ return -ERESTARTSYS; ++ ++ /* someone has initialized xattrs for us? */ ++ if (test_bit(EROFS_V_EA_INITED_BIT, &vi->flags)) ++ goto out_unlock; ++ ++ /* ++ * bypass all xattr operations if ->xattr_isize is not greater than ++ * sizeof(struct erofs_xattr_ibody_header), in detail: ++ * 1) it is not enough to contain erofs_xattr_ibody_header then ++ * ->xattr_isize should be 0 (it means no xattr); ++ * 2) it is just to contain erofs_xattr_ibody_header, which is on-disk ++ * undefined right now (maybe use later with some new sb feature). ++ */ ++ if (vi->xattr_isize == sizeof(struct erofs_xattr_ibody_header)) { ++ errln("xattr_isize %d of nid %llu is not supported yet", ++ vi->xattr_isize, vi->nid); ++ ret = -ENOTSUPP; ++ goto out_unlock; ++ } else if (vi->xattr_isize < sizeof(struct erofs_xattr_ibody_header)) { ++ if (unlikely(vi->xattr_isize)) { ++ DBG_BUGON(1); ++ ret = -EIO; ++ goto out_unlock; /* xattr ondisk layout error */ ++ } ++ ret = -ENOATTR; ++ goto out_unlock; ++ } + + sb = inode->i_sb; + sbi = EROFS_SB(sb); +@@ -64,8 +93,10 @@ static int init_inode_xattrs(struct inode *inode) + it.ofs = erofs_blkoff(iloc(sbi, vi->nid) + vi->inode_isize); + + it.page = erofs_get_inline_page(inode, it.blkaddr); +- if (IS_ERR(it.page)) +- return PTR_ERR(it.page); ++ if (IS_ERR(it.page)) { ++ ret = PTR_ERR(it.page); ++ goto out_unlock; ++ } + + /* read in shared xattr array (non-atomic, see kmalloc below) */ + it.kaddr = kmap(it.page); +@@ -78,7 +109,8 @@ static int init_inode_xattrs(struct inode *inode) + sizeof(uint), GFP_KERNEL); + if (vi->xattr_shared_xattrs == NULL) { + xattr_iter_end(&it, atomic_map); +- return -ENOMEM; ++ ret = -ENOMEM; ++ goto out_unlock; + } + + /* let's skip ibody header */ +@@ -92,8 +124,12 @@ static int init_inode_xattrs(struct inode *inode) + + it.page = erofs_get_meta_page(sb, + ++it.blkaddr, S_ISDIR(inode->i_mode)); +- if (IS_ERR(it.page)) +- return PTR_ERR(it.page); ++ if (IS_ERR(it.page)) { ++ kfree(vi->xattr_shared_xattrs); ++ vi->xattr_shared_xattrs = NULL; ++ ret = PTR_ERR(it.page); ++ goto out_unlock; ++ } + + it.kaddr = kmap_atomic(it.page); + atomic_map = true; +@@ -105,8 +141,11 @@ static int init_inode_xattrs(struct inode *inode) + } + xattr_iter_end(&it, atomic_map); + +- inode_set_inited_xattr(inode); +- return 0; ++ set_bit(EROFS_V_EA_INITED_BIT, &vi->flags); ++ ++out_unlock: ++ clear_and_wake_up_bit(EROFS_V_BL_XATTR_BIT, &vi->flags); ++ return ret; + } + + /* +@@ -422,7 +461,6 @@ static int erofs_xattr_generic_get(const struct xattr_handler *handler, + struct dentry *unused, struct inode *inode, + const char *name, void *buffer, size_t size) + { +- struct erofs_vnode *const vi = EROFS_V(inode); + struct erofs_sb_info *const sbi = EROFS_I_SB(inode); + + switch (handler->flags) { +@@ -440,9 +478,6 @@ static int erofs_xattr_generic_get(const struct xattr_handler *handler, + return -EINVAL; + } + +- if (!vi->xattr_isize) +- return -ENOATTR; +- + return erofs_getxattr(inode, handler->flags, name, buffer, size); + } + +diff --git a/drivers/staging/wilc1000/linux_wlan.c b/drivers/staging/wilc1000/linux_wlan.c +index 721689048648e..5e5149c9a92d9 100644 +--- a/drivers/staging/wilc1000/linux_wlan.c ++++ b/drivers/staging/wilc1000/linux_wlan.c +@@ -1086,8 +1086,8 @@ int wilc_netdev_init(struct wilc **wilc, struct device *dev, int io_type, + vif->wilc = *wilc; + vif->ndev = ndev; + wl->vif[i] = vif; +- wl->vif_num = i; +- vif->idx = wl->vif_num; ++ wl->vif_num = i + 1; ++ vif->idx = i; + + ndev->netdev_ops = &wilc_netdev_ops; + +diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c +index a9ec7051f2864..c2fe218e051f0 100644 +--- a/drivers/usb/host/xhci-pci.c ++++ b/drivers/usb/host/xhci-pci.c +@@ -194,6 +194,7 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) + xhci->quirks |= XHCI_SSIC_PORT_UNUSED; + if (pdev->vendor == PCI_VENDOR_ID_INTEL && + (pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI || ++ pdev->device == PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_XHCI || + pdev->device == PCI_DEVICE_ID_INTEL_APL_XHCI)) + xhci->quirks |= XHCI_INTEL_USB_ROLE_SW; + if (pdev->vendor == PCI_VENDOR_ID_INTEL && +diff --git a/drivers/usb/host/xhci-tegra.c b/drivers/usb/host/xhci-tegra.c +index 938ff06c03495..efb0cad8710e3 100644 +--- a/drivers/usb/host/xhci-tegra.c ++++ b/drivers/usb/host/xhci-tegra.c +@@ -941,9 +941,9 @@ static void tegra_xusb_powerdomain_remove(struct device *dev, + device_link_del(tegra->genpd_dl_ss); + if (tegra->genpd_dl_host) + device_link_del(tegra->genpd_dl_host); +- if (tegra->genpd_dev_ss) ++ if (!IS_ERR_OR_NULL(tegra->genpd_dev_ss)) + dev_pm_domain_detach(tegra->genpd_dev_ss, true); +- if (tegra->genpd_dev_host) ++ if (!IS_ERR_OR_NULL(tegra->genpd_dev_host)) + dev_pm_domain_detach(tegra->genpd_dev_host, true); + } + +diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c +index c0777a374a88f..4c66edf533fe9 100644 +--- a/drivers/usb/serial/cp210x.c ++++ b/drivers/usb/serial/cp210x.c +@@ -61,6 +61,7 @@ static const struct usb_device_id id_table[] = { + { USB_DEVICE(0x08e6, 0x5501) }, /* Gemalto Prox-PU/CU contactless smartcard reader */ + { USB_DEVICE(0x08FD, 0x000A) }, /* Digianswer A/S , ZigBee/802.15.4 MAC Device */ + { USB_DEVICE(0x0908, 0x01FF) }, /* Siemens RUGGEDCOM USB Serial Console */ ++ { USB_DEVICE(0x0B00, 0x3070) }, /* Ingenico 3070 */ + { USB_DEVICE(0x0BED, 0x1100) }, /* MEI (TM) Cashflow-SC Bill/Voucher Acceptor */ + { USB_DEVICE(0x0BED, 0x1101) }, /* MEI series 2000 Combo Acceptor */ + { USB_DEVICE(0x0FCF, 0x1003) }, /* Dynastream ANT development board */ +@@ -1353,8 +1354,13 @@ static int cp210x_gpio_get(struct gpio_chip *gc, unsigned int gpio) + if (priv->partnum == CP210X_PARTNUM_CP2105) + req_type = REQTYPE_INTERFACE_TO_HOST; + ++ result = usb_autopm_get_interface(serial->interface); ++ if (result) ++ return result; ++ + result = cp210x_read_vendor_block(serial, req_type, + CP210X_READ_LATCH, &buf, sizeof(buf)); ++ usb_autopm_put_interface(serial->interface); + if (result < 0) + return result; + +@@ -1375,6 +1381,10 @@ static void cp210x_gpio_set(struct gpio_chip *gc, unsigned int gpio, int value) + + buf.mask = BIT(gpio); + ++ result = usb_autopm_get_interface(serial->interface); ++ if (result) ++ goto out; ++ + if (priv->partnum == CP210X_PARTNUM_CP2105) { + result = cp210x_write_vendor_block(serial, + REQTYPE_HOST_TO_INTERFACE, +@@ -1392,6 +1402,8 @@ static void cp210x_gpio_set(struct gpio_chip *gc, unsigned int gpio, int value) + NULL, 0, USB_CTRL_SET_TIMEOUT); + } + ++ usb_autopm_put_interface(serial->interface); ++out: + if (result < 0) { + dev_err(&serial->interface->dev, "failed to set GPIO value: %d\n", + result); +diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c +index 77ef4c481f3ce..8f5b174717594 100644 +--- a/drivers/usb/serial/ftdi_sio.c ++++ b/drivers/usb/serial/ftdi_sio.c +@@ -1025,6 +1025,8 @@ static const struct usb_device_id id_table_combined[] = { + { USB_DEVICE(CYPRESS_VID, CYPRESS_WICED_BT_USB_PID) }, + { USB_DEVICE(CYPRESS_VID, CYPRESS_WICED_WL_USB_PID) }, + { USB_DEVICE(AIRBUS_DS_VID, AIRBUS_DS_P8GR) }, ++ /* EZPrototypes devices */ ++ { USB_DEVICE(EZPROTOTYPES_VID, HJELMSLUND_USB485_ISO_PID) }, + { } /* Terminating entry */ + }; + +diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h +index 975d02666c5a0..b863bedb55a13 100644 +--- a/drivers/usb/serial/ftdi_sio_ids.h ++++ b/drivers/usb/serial/ftdi_sio_ids.h +@@ -1308,6 +1308,12 @@ + #define IONICS_VID 0x1c0c + #define IONICS_PLUGCOMPUTER_PID 0x0102 + ++/* ++ * EZPrototypes (PID reseller) ++ */ ++#define EZPROTOTYPES_VID 0x1c40 ++#define HJELMSLUND_USB485_ISO_PID 0x0477 ++ + /* + * Dresden Elektronik Sensor Terminal Board + */ +diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c +index aef15497ff31f..11b21d9410f35 100644 +--- a/drivers/usb/serial/option.c ++++ b/drivers/usb/serial/option.c +@@ -1148,6 +1148,8 @@ static const struct usb_device_id option_ids[] = { + .driver_info = NCTRL(0) | RSVD(1) | RSVD(3) }, + { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910_DUAL_MODEM), + .driver_info = NCTRL(0) | RSVD(3) }, ++ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1102, 0xff), /* Telit ME910 (ECM) */ ++ .driver_info = NCTRL(0) }, + { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE910), + .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) }, + { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE910_USBCFG4), +diff --git a/fs/aio.c b/fs/aio.c +index aaaaf4d12c739..528d03680526f 100644 +--- a/fs/aio.c ++++ b/fs/aio.c +@@ -1680,6 +1680,7 @@ static int aio_poll_wake(struct wait_queue_entry *wait, unsigned mode, int sync, + struct poll_iocb *req = container_of(wait, struct poll_iocb, wait); + struct aio_kiocb *iocb = container_of(req, struct aio_kiocb, poll); + __poll_t mask = key_to_poll(key); ++ unsigned long flags; + + req->woken = true; + +@@ -1688,10 +1689,15 @@ static int aio_poll_wake(struct wait_queue_entry *wait, unsigned mode, int sync, + if (!(mask & req->events)) + return 0; + +- /* try to complete the iocb inline if we can: */ +- if (spin_trylock(&iocb->ki_ctx->ctx_lock)) { ++ /* ++ * Try to complete the iocb inline if we can. Use ++ * irqsave/irqrestore because not all filesystems (e.g. fuse) ++ * call this function with IRQs disabled and because IRQs ++ * have to be disabled before ctx_lock is obtained. ++ */ ++ if (spin_trylock_irqsave(&iocb->ki_ctx->ctx_lock, flags)) { + list_del(&iocb->ki_list); +- spin_unlock(&iocb->ki_ctx->ctx_lock); ++ spin_unlock_irqrestore(&iocb->ki_ctx->ctx_lock, flags); + + list_del_init(&req->wait.entry); + aio_poll_complete(iocb, mask); +diff --git a/fs/exec.c b/fs/exec.c +index fb72d36f7823e..bcf383730bea9 100644 +--- a/fs/exec.c ++++ b/fs/exec.c +@@ -932,7 +932,7 @@ int kernel_read_file(struct file *file, void **buf, loff_t *size, + bytes = kernel_read(file, *buf + pos, i_size - pos, &pos); + if (bytes < 0) { + ret = bytes; +- goto out; ++ goto out_free; + } + + if (bytes == 0) +diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h +index c86d6d8bdfed2..0b427d5df0fea 100644 +--- a/include/linux/cpufreq.h ++++ b/include/linux/cpufreq.h +@@ -254,20 +254,12 @@ __ATTR(_name, 0644, show_##_name, store_##_name) + static struct freq_attr _name = \ + __ATTR(_name, 0200, NULL, store_##_name) + +-struct global_attr { +- struct attribute attr; +- ssize_t (*show)(struct kobject *kobj, +- struct attribute *attr, char *buf); +- ssize_t (*store)(struct kobject *a, struct attribute *b, +- const char *c, size_t count); +-}; +- + #define define_one_global_ro(_name) \ +-static struct global_attr _name = \ ++static struct kobj_attribute _name = \ + __ATTR(_name, 0444, show_##_name, NULL) + + #define define_one_global_rw(_name) \ +-static struct global_attr _name = \ ++static struct kobj_attribute _name = \ + __ATTR(_name, 0644, show_##_name, store_##_name) + + +diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h +index ec9d6bc658559..fabee6db0abb7 100644 +--- a/include/net/bluetooth/bluetooth.h ++++ b/include/net/bluetooth/bluetooth.h +@@ -276,7 +276,7 @@ int bt_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg); + int bt_sock_wait_state(struct sock *sk, int state, unsigned long timeo); + int bt_sock_wait_ready(struct sock *sk, unsigned long flags); + +-void bt_accept_enqueue(struct sock *parent, struct sock *sk); ++void bt_accept_enqueue(struct sock *parent, struct sock *sk, bool bh); + void bt_accept_unlink(struct sock *sk); + struct sock *bt_accept_dequeue(struct sock *parent, struct socket *newsock); + +diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h +index 9481f2c142e26..e7eb4aa6ccc94 100644 +--- a/include/net/sch_generic.h ++++ b/include/net/sch_generic.h +@@ -51,7 +51,10 @@ struct qdisc_size_table { + struct qdisc_skb_head { + struct sk_buff *head; + struct sk_buff *tail; +- __u32 qlen; ++ union { ++ u32 qlen; ++ atomic_t atomic_qlen; ++ }; + spinlock_t lock; + }; + +@@ -408,27 +411,19 @@ static inline void qdisc_cb_private_validate(const struct sk_buff *skb, int sz) + BUILD_BUG_ON(sizeof(qcb->data) < sz); + } + +-static inline int qdisc_qlen_cpu(const struct Qdisc *q) +-{ +- return this_cpu_ptr(q->cpu_qstats)->qlen; +-} +- + static inline int qdisc_qlen(const struct Qdisc *q) + { + return q->q.qlen; + } + +-static inline int qdisc_qlen_sum(const struct Qdisc *q) ++static inline u32 qdisc_qlen_sum(const struct Qdisc *q) + { +- __u32 qlen = q->qstats.qlen; +- int i; ++ u32 qlen = q->qstats.qlen; + +- if (q->flags & TCQ_F_NOLOCK) { +- for_each_possible_cpu(i) +- qlen += per_cpu_ptr(q->cpu_qstats, i)->qlen; +- } else { ++ if (q->flags & TCQ_F_NOLOCK) ++ qlen += atomic_read(&q->q.atomic_qlen); ++ else + qlen += q->q.qlen; +- } + + return qlen; + } +@@ -825,14 +820,14 @@ static inline void qdisc_qstats_cpu_backlog_inc(struct Qdisc *sch, + this_cpu_add(sch->cpu_qstats->backlog, qdisc_pkt_len(skb)); + } + +-static inline void qdisc_qstats_cpu_qlen_inc(struct Qdisc *sch) ++static inline void qdisc_qstats_atomic_qlen_inc(struct Qdisc *sch) + { +- this_cpu_inc(sch->cpu_qstats->qlen); ++ atomic_inc(&sch->q.atomic_qlen); + } + +-static inline void qdisc_qstats_cpu_qlen_dec(struct Qdisc *sch) ++static inline void qdisc_qstats_atomic_qlen_dec(struct Qdisc *sch) + { +- this_cpu_dec(sch->cpu_qstats->qlen); ++ atomic_dec(&sch->q.atomic_qlen); + } + + static inline void qdisc_qstats_cpu_requeues_inc(struct Qdisc *sch) +diff --git a/include/uapi/linux/android/binder.h b/include/uapi/linux/android/binder.h +index b9ba520f7e4bb..2832134e53971 100644 +--- a/include/uapi/linux/android/binder.h ++++ b/include/uapi/linux/android/binder.h +@@ -41,6 +41,14 @@ enum { + enum { + FLAT_BINDER_FLAG_PRIORITY_MASK = 0xff, + FLAT_BINDER_FLAG_ACCEPTS_FDS = 0x100, ++ ++ /** ++ * @FLAT_BINDER_FLAG_TXN_SECURITY_CTX: request security contexts ++ * ++ * Only when set, causes senders to include their security ++ * context ++ */ ++ FLAT_BINDER_FLAG_TXN_SECURITY_CTX = 0x1000, + }; + + #ifdef BINDER_IPC_32BIT +@@ -218,6 +226,7 @@ struct binder_node_info_for_ref { + #define BINDER_VERSION _IOWR('b', 9, struct binder_version) + #define BINDER_GET_NODE_DEBUG_INFO _IOWR('b', 11, struct binder_node_debug_info) + #define BINDER_GET_NODE_INFO_FOR_REF _IOWR('b', 12, struct binder_node_info_for_ref) ++#define BINDER_SET_CONTEXT_MGR_EXT _IOW('b', 13, struct flat_binder_object) + + /* + * NOTE: Two special error codes you should check for when calling +@@ -276,6 +285,11 @@ struct binder_transaction_data { + } data; + }; + ++struct binder_transaction_data_secctx { ++ struct binder_transaction_data transaction_data; ++ binder_uintptr_t secctx; ++}; ++ + struct binder_transaction_data_sg { + struct binder_transaction_data transaction_data; + binder_size_t buffers_size; +@@ -311,6 +325,11 @@ enum binder_driver_return_protocol { + BR_OK = _IO('r', 1), + /* No parameters! */ + ++ BR_TRANSACTION_SEC_CTX = _IOR('r', 2, ++ struct binder_transaction_data_secctx), ++ /* ++ * binder_transaction_data_secctx: the received command. ++ */ + BR_TRANSACTION = _IOR('r', 2, struct binder_transaction_data), + BR_REPLY = _IOR('r', 3, struct binder_transaction_data), + /* +diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c +index 27821480105e6..217ef481fbbb6 100644 +--- a/kernel/trace/trace_events_filter.c ++++ b/kernel/trace/trace_events_filter.c +@@ -1301,7 +1301,7 @@ static int parse_pred(const char *str, void *data, + /* go past the last quote */ + i++; + +- } else if (isdigit(str[i])) { ++ } else if (isdigit(str[i]) || str[i] == '-') { + + /* Make sure the field is not a string */ + if (is_string_field(field)) { +@@ -1314,6 +1314,9 @@ static int parse_pred(const char *str, void *data, + goto err_free; + } + ++ if (str[i] == '-') ++ i++; ++ + /* We allow 0xDEADBEEF */ + while (isalnum(str[i])) + i++; +diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c +index deacc52d7ff18..8d12198eaa949 100644 +--- a/net/bluetooth/af_bluetooth.c ++++ b/net/bluetooth/af_bluetooth.c +@@ -154,15 +154,25 @@ void bt_sock_unlink(struct bt_sock_list *l, struct sock *sk) + } + EXPORT_SYMBOL(bt_sock_unlink); + +-void bt_accept_enqueue(struct sock *parent, struct sock *sk) ++void bt_accept_enqueue(struct sock *parent, struct sock *sk, bool bh) + { + BT_DBG("parent %p, sk %p", parent, sk); + + sock_hold(sk); +- lock_sock_nested(sk, SINGLE_DEPTH_NESTING); ++ ++ if (bh) ++ bh_lock_sock_nested(sk); ++ else ++ lock_sock_nested(sk, SINGLE_DEPTH_NESTING); ++ + list_add_tail(&bt_sk(sk)->accept_q, &bt_sk(parent)->accept_q); + bt_sk(sk)->parent = parent; +- release_sock(sk); ++ ++ if (bh) ++ bh_unlock_sock(sk); ++ else ++ release_sock(sk); ++ + parent->sk_ack_backlog++; + } + EXPORT_SYMBOL(bt_accept_enqueue); +diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c +index 686bdc6b35b03..a3a2cd55e23a9 100644 +--- a/net/bluetooth/l2cap_sock.c ++++ b/net/bluetooth/l2cap_sock.c +@@ -1252,7 +1252,7 @@ static struct l2cap_chan *l2cap_sock_new_connection_cb(struct l2cap_chan *chan) + + l2cap_sock_init(sk, parent); + +- bt_accept_enqueue(parent, sk); ++ bt_accept_enqueue(parent, sk, false); + + release_sock(parent); + +diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c +index aa0db1d1bd9b4..b1f49fcc04780 100644 +--- a/net/bluetooth/rfcomm/sock.c ++++ b/net/bluetooth/rfcomm/sock.c +@@ -988,7 +988,7 @@ int rfcomm_connect_ind(struct rfcomm_session *s, u8 channel, struct rfcomm_dlc * + rfcomm_pi(sk)->channel = channel; + + sk->sk_state = BT_CONFIG; +- bt_accept_enqueue(parent, sk); ++ bt_accept_enqueue(parent, sk, true); + + /* Accept connection and return socket DLC */ + *d = rfcomm_pi(sk)->dlc; +diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c +index 529b38996d8bc..9a580999ca57e 100644 +--- a/net/bluetooth/sco.c ++++ b/net/bluetooth/sco.c +@@ -193,7 +193,7 @@ static void __sco_chan_add(struct sco_conn *conn, struct sock *sk, + conn->sk = sk; + + if (parent) +- bt_accept_enqueue(parent, sk); ++ bt_accept_enqueue(parent, sk, true); + } + + static int sco_chan_add(struct sco_conn *conn, struct sock *sk, +diff --git a/net/core/gen_stats.c b/net/core/gen_stats.c +index 9bf1b9ad17806..ac679f74ba475 100644 +--- a/net/core/gen_stats.c ++++ b/net/core/gen_stats.c +@@ -291,7 +291,6 @@ __gnet_stats_copy_queue_cpu(struct gnet_stats_queue *qstats, + for_each_possible_cpu(i) { + const struct gnet_stats_queue *qcpu = per_cpu_ptr(q, i); + +- qstats->qlen = 0; + qstats->backlog += qcpu->backlog; + qstats->drops += qcpu->drops; + qstats->requeues += qcpu->requeues; +@@ -307,7 +306,6 @@ void __gnet_stats_copy_queue(struct gnet_stats_queue *qstats, + if (cpu) { + __gnet_stats_copy_queue_cpu(qstats, cpu); + } else { +- qstats->qlen = q->qlen; + qstats->backlog = q->backlog; + qstats->drops = q->drops; + qstats->requeues = q->requeues; +diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c +index ff9fd2bb4ce43..73ad7607dcd1a 100644 +--- a/net/core/net-sysfs.c ++++ b/net/core/net-sysfs.c +@@ -1547,6 +1547,9 @@ static int register_queue_kobjects(struct net_device *dev) + error: + netdev_queue_update_kobjects(dev, txq, 0); + net_rx_queue_update_kobjects(dev, rxq, 0); ++#ifdef CONFIG_SYSFS ++ kset_unregister(dev->queues_kset); ++#endif + return error; + } + +diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c +index cc01aa3f2b5e3..af91a1a402f13 100644 +--- a/net/ipv6/ip6mr.c ++++ b/net/ipv6/ip6mr.c +@@ -1964,10 +1964,10 @@ int ip6mr_compat_ioctl(struct sock *sk, unsigned int cmd, void __user *arg) + + static inline int ip6mr_forward2_finish(struct net *net, struct sock *sk, struct sk_buff *skb) + { +- __IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)), +- IPSTATS_MIB_OUTFORWDATAGRAMS); +- __IP6_ADD_STATS(net, ip6_dst_idev(skb_dst(skb)), +- IPSTATS_MIB_OUTOCTETS, skb->len); ++ IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)), ++ IPSTATS_MIB_OUTFORWDATAGRAMS); ++ IP6_ADD_STATS(net, ip6_dst_idev(skb_dst(skb)), ++ IPSTATS_MIB_OUTOCTETS, skb->len); + return dst_output(net, sk, skb); + } + +diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c +index 968a85fe4d4a9..de31f2f3b9730 100644 +--- a/net/sched/sch_generic.c ++++ b/net/sched/sch_generic.c +@@ -68,7 +68,7 @@ static inline struct sk_buff *__skb_dequeue_bad_txq(struct Qdisc *q) + skb = __skb_dequeue(&q->skb_bad_txq); + if (qdisc_is_percpu_stats(q)) { + qdisc_qstats_cpu_backlog_dec(q, skb); +- qdisc_qstats_cpu_qlen_dec(q); ++ qdisc_qstats_atomic_qlen_dec(q); + } else { + qdisc_qstats_backlog_dec(q, skb); + q->q.qlen--; +@@ -108,7 +108,7 @@ static inline void qdisc_enqueue_skb_bad_txq(struct Qdisc *q, + + if (qdisc_is_percpu_stats(q)) { + qdisc_qstats_cpu_backlog_inc(q, skb); +- qdisc_qstats_cpu_qlen_inc(q); ++ qdisc_qstats_atomic_qlen_inc(q); + } else { + qdisc_qstats_backlog_inc(q, skb); + q->q.qlen++; +@@ -147,7 +147,7 @@ static inline int dev_requeue_skb_locked(struct sk_buff *skb, struct Qdisc *q) + + qdisc_qstats_cpu_requeues_inc(q); + qdisc_qstats_cpu_backlog_inc(q, skb); +- qdisc_qstats_cpu_qlen_inc(q); ++ qdisc_qstats_atomic_qlen_inc(q); + + skb = next; + } +@@ -252,7 +252,7 @@ static struct sk_buff *dequeue_skb(struct Qdisc *q, bool *validate, + skb = __skb_dequeue(&q->gso_skb); + if (qdisc_is_percpu_stats(q)) { + qdisc_qstats_cpu_backlog_dec(q, skb); +- qdisc_qstats_cpu_qlen_dec(q); ++ qdisc_qstats_atomic_qlen_dec(q); + } else { + qdisc_qstats_backlog_dec(q, skb); + q->q.qlen--; +@@ -645,7 +645,7 @@ static int pfifo_fast_enqueue(struct sk_buff *skb, struct Qdisc *qdisc, + if (unlikely(err)) + return qdisc_drop_cpu(skb, qdisc, to_free); + +- qdisc_qstats_cpu_qlen_inc(qdisc); ++ qdisc_qstats_atomic_qlen_inc(qdisc); + /* Note: skb can not be used after skb_array_produce(), + * so we better not use qdisc_qstats_cpu_backlog_inc() + */ +@@ -670,7 +670,7 @@ static struct sk_buff *pfifo_fast_dequeue(struct Qdisc *qdisc) + if (likely(skb)) { + qdisc_qstats_cpu_backlog_dec(qdisc, skb); + qdisc_bstats_cpu_update(qdisc, skb); +- qdisc_qstats_cpu_qlen_dec(qdisc); ++ qdisc_qstats_atomic_qlen_dec(qdisc); + } + + return skb; +@@ -714,7 +714,6 @@ static void pfifo_fast_reset(struct Qdisc *qdisc) + struct gnet_stats_queue *q = per_cpu_ptr(qdisc->cpu_qstats, i); + + q->backlog = 0; +- q->qlen = 0; + } + } + +diff --git a/net/sctp/socket.c b/net/sctp/socket.c +index 65d6d04546aee..a2771b3b3c148 100644 +--- a/net/sctp/socket.c ++++ b/net/sctp/socket.c +@@ -1866,6 +1866,7 @@ static int sctp_sendmsg_check_sflags(struct sctp_association *asoc, + + pr_debug("%s: aborting association:%p\n", __func__, asoc); + sctp_primitive_ABORT(net, asoc, chunk); ++ iov_iter_revert(&msg->msg_iter, msg_len); + + return 0; + } +diff --git a/net/tipc/socket.c b/net/tipc/socket.c +index 70343ac448b18..139694f2c576c 100644 +--- a/net/tipc/socket.c ++++ b/net/tipc/socket.c +@@ -1333,7 +1333,7 @@ static int __tipc_sendmsg(struct socket *sock, struct msghdr *m, size_t dlen) + + if (unlikely(!dest)) { + dest = &tsk->peer; +- if (!syn || dest->family != AF_TIPC) ++ if (!syn && dest->family != AF_TIPC) + return -EDESTADDRREQ; + } + +diff --git a/tools/testing/selftests/firmware/config b/tools/testing/selftests/firmware/config +index 913a25a4a32be..bf634dda07201 100644 +--- a/tools/testing/selftests/firmware/config ++++ b/tools/testing/selftests/firmware/config +@@ -1,6 +1,5 @@ + CONFIG_TEST_FIRMWARE=y + CONFIG_FW_LOADER=y + CONFIG_FW_LOADER_USER_HELPER=y +-CONFIG_FW_LOADER_USER_HELPER_FALLBACK=y + CONFIG_IKCONFIG=y + CONFIG_IKCONFIG_PROC=y +diff --git a/tools/testing/selftests/firmware/fw_filesystem.sh b/tools/testing/selftests/firmware/fw_filesystem.sh +index 466cf2f91ba01..a4320c4b44dc9 100755 +--- a/tools/testing/selftests/firmware/fw_filesystem.sh ++++ b/tools/testing/selftests/firmware/fw_filesystem.sh +@@ -155,8 +155,11 @@ read_firmwares() + { + for i in $(seq 0 3); do + config_set_read_fw_idx $i +- # Verify the contents match +- if ! diff -q "$FW" $DIR/read_firmware 2>/dev/null ; then ++ # Verify the contents are what we expect. ++ # -Z required for now -- check for yourself, md5sum ++ # on $FW and DIR/read_firmware will yield the same. Even ++ # cmp agrees, so something is off. ++ if ! diff -q -Z "$FW" $DIR/read_firmware 2>/dev/null ; then + echo "request #$i: firmware was not loaded" >&2 + exit 1 + fi +@@ -168,7 +171,7 @@ read_firmwares_expect_nofile() + for i in $(seq 0 3); do + config_set_read_fw_idx $i + # Ensures contents differ +- if diff -q "$FW" $DIR/read_firmware 2>/dev/null ; then ++ if diff -q -Z "$FW" $DIR/read_firmware 2>/dev/null ; then + echo "request $i: file was not expected to match" >&2 + exit 1 + fi +diff --git a/tools/testing/selftests/firmware/fw_lib.sh b/tools/testing/selftests/firmware/fw_lib.sh +index 6c5f1b2ffb745..1cbb12e284a68 100755 +--- a/tools/testing/selftests/firmware/fw_lib.sh ++++ b/tools/testing/selftests/firmware/fw_lib.sh +@@ -91,7 +91,7 @@ verify_reqs() + if [ "$TEST_REQS_FW_SYSFS_FALLBACK" = "yes" ]; then + if [ ! "$HAS_FW_LOADER_USER_HELPER" = "yes" ]; then + echo "usermode helper disabled so ignoring test" +- exit $ksft_skip ++ exit 0 + fi + fi + }
