diff options
author | Mike Pagano <mpagano@gentoo.org> | 2022-05-12 07:30:08 -0400 |
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committer | Mike Pagano <mpagano@gentoo.org> | 2022-05-12 07:30:08 -0400 |
commit | 0b7372f26c8ae87988e75371d0973f9b69ffb1e3 (patch) | |
tree | 2b59ceb5ab2bca8c4564b4b0d8ba67c0bebfc282 | |
parent | Linux patch 5.4.192 (diff) | |
download | linux-patches-0b7372f26c8ae87988e75371d0973f9b69ffb1e3.tar.gz linux-patches-0b7372f26c8ae87988e75371d0973f9b69ffb1e3.tar.bz2 linux-patches-0b7372f26c8ae87988e75371d0973f9b69ffb1e3.zip |
Linuxpatch 5.4.1935.4-197
Signed-off-by: Mike Pagano <mpagano@gentoo.org>
-rw-r--r-- | 0000_README | 4 | ||||
-rw-r--r-- | 1192_linux-5.4.193.patch | 2007 |
2 files changed, 2011 insertions, 0 deletions
diff --git a/0000_README b/0000_README index cab1fe9c..b454bd62 100644 --- a/0000_README +++ b/0000_README @@ -811,6 +811,10 @@ Patch: 1191_linux-5.4.192.patch From: http://www.kernel.org Desc: Linux 5.4.192 +Patch: 1192_linux-5.4.193.patch +From: http://www.kernel.org +Desc: Linux 5.4.193 + 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/1192_linux-5.4.193.patch b/1192_linux-5.4.193.patch new file mode 100644 index 00000000..a3b2b985 --- /dev/null +++ b/1192_linux-5.4.193.patch @@ -0,0 +1,2007 @@ +diff --git a/Makefile b/Makefile +index 968470cf368ee..888d896058553 100644 +--- a/Makefile ++++ b/Makefile +@@ -1,7 +1,7 @@ + # SPDX-License-Identifier: GPL-2.0 + VERSION = 5 + PATCHLEVEL = 4 +-SUBLEVEL = 192 ++SUBLEVEL = 193 + EXTRAVERSION = + NAME = Kleptomaniac Octopus + +diff --git a/arch/mips/include/asm/timex.h b/arch/mips/include/asm/timex.h +index b05bb70a2e46f..8026baf46e729 100644 +--- a/arch/mips/include/asm/timex.h ++++ b/arch/mips/include/asm/timex.h +@@ -40,9 +40,9 @@ + typedef unsigned int cycles_t; + + /* +- * On R4000/R4400 before version 5.0 an erratum exists such that if the +- * cycle counter is read in the exact moment that it is matching the +- * compare register, no interrupt will be generated. ++ * On R4000/R4400 an erratum exists such that if the cycle counter is ++ * read in the exact moment that it is matching the compare register, ++ * no interrupt will be generated. + * + * There is a suggested workaround and also the erratum can't strike if + * the compare interrupt isn't being used as the clock source device. +@@ -63,7 +63,7 @@ static inline int can_use_mips_counter(unsigned int prid) + if (!__builtin_constant_p(cpu_has_counter)) + asm volatile("" : "=m" (cpu_data[0].options)); + if (likely(cpu_has_counter && +- prid >= (PRID_IMP_R4000 | PRID_REV_ENCODE_44(5, 0)))) ++ prid > (PRID_IMP_R4000 | PRID_REV_ENCODE_44(15, 15)))) + return 1; + else + return 0; +diff --git a/arch/mips/kernel/time.c b/arch/mips/kernel/time.c +index caa01457dce60..ed339d7979f3f 100644 +--- a/arch/mips/kernel/time.c ++++ b/arch/mips/kernel/time.c +@@ -141,15 +141,10 @@ static __init int cpu_has_mfc0_count_bug(void) + case CPU_R4400MC: + /* + * The published errata for the R4400 up to 3.0 say the CPU +- * has the mfc0 from count bug. ++ * has the mfc0 from count bug. This seems the last version ++ * produced. + */ +- if ((current_cpu_data.processor_id & 0xff) <= 0x30) +- return 1; +- +- /* +- * we assume newer revisions are ok +- */ +- return 0; ++ return 1; + } + + return 0; +diff --git a/arch/parisc/kernel/processor.c b/arch/parisc/kernel/processor.c +index 13f771f74ee3b..b0045889864c2 100644 +--- a/arch/parisc/kernel/processor.c ++++ b/arch/parisc/kernel/processor.c +@@ -419,8 +419,7 @@ show_cpuinfo (struct seq_file *m, void *v) + } + seq_printf(m, " (0x%02lx)\n", boot_cpu_data.pdc.capabilities); + +- seq_printf(m, "model\t\t: %s\n" +- "model name\t: %s\n", ++ seq_printf(m, "model\t\t: %s - %s\n", + boot_cpu_data.pdc.sys_model_name, + cpuinfo->dev ? + cpuinfo->dev->name : "Unknown"); +diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c +index 408b51aba2930..f582dda8dd34f 100644 +--- a/arch/x86/kernel/kvm.c ++++ b/arch/x86/kernel/kvm.c +@@ -59,6 +59,7 @@ static DEFINE_PER_CPU_DECRYPTED(struct kvm_vcpu_pv_apf_data, apf_reason) __align + DEFINE_PER_CPU_DECRYPTED(struct kvm_steal_time, steal_time) __aligned(64) __visible; + static int has_steal_clock = 0; + ++static int has_guest_poll = 0; + /* + * No need for any "IO delay" on KVM + */ +@@ -584,14 +585,26 @@ static int kvm_cpu_down_prepare(unsigned int cpu) + + static int kvm_suspend(void) + { ++ u64 val = 0; ++ + kvm_guest_cpu_offline(false); + ++#ifdef CONFIG_ARCH_CPUIDLE_HALTPOLL ++ if (kvm_para_has_feature(KVM_FEATURE_POLL_CONTROL)) ++ rdmsrl(MSR_KVM_POLL_CONTROL, val); ++ has_guest_poll = !(val & 1); ++#endif + return 0; + } + + static void kvm_resume(void) + { + kvm_cpu_online(raw_smp_processor_id()); ++ ++#ifdef CONFIG_ARCH_CPUIDLE_HALTPOLL ++ if (kvm_para_has_feature(KVM_FEATURE_POLL_CONTROL) && has_guest_poll) ++ wrmsrl(MSR_KVM_POLL_CONTROL, 0); ++#endif + } + + static struct syscore_ops kvm_syscore_ops = { +diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c +index 6a8db8eb0e943..62c7f771a7cf8 100644 +--- a/arch/x86/kvm/cpuid.c ++++ b/arch/x86/kvm/cpuid.c +@@ -592,6 +592,11 @@ static inline int __do_cpuid_func(struct kvm_cpuid_entry2 *entry, u32 function, + union cpuid10_eax eax; + union cpuid10_edx edx; + ++ if (!static_cpu_has(X86_FEATURE_ARCH_PERFMON)) { ++ entry->eax = entry->ebx = entry->ecx = entry->edx = 0; ++ break; ++ } ++ + perf_get_x86_pmu_capability(&cap); + + /* +diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c +index afe3b8e615146..3696b4de9d99d 100644 +--- a/arch/x86/kvm/lapic.c ++++ b/arch/x86/kvm/lapic.c +@@ -118,7 +118,8 @@ static inline u32 kvm_x2apic_id(struct kvm_lapic *apic) + + bool kvm_can_post_timer_interrupt(struct kvm_vcpu *vcpu) + { +- return pi_inject_timer && kvm_vcpu_apicv_active(vcpu); ++ return pi_inject_timer && kvm_vcpu_apicv_active(vcpu) && ++ (kvm_mwait_in_guest(vcpu->kvm) || kvm_hlt_in_guest(vcpu->kvm)); + } + EXPORT_SYMBOL_GPL(kvm_can_post_timer_interrupt); + +diff --git a/block/bio.c b/block/bio.c +index 1c52d0196e15c..40004a3631a80 100644 +--- a/block/bio.c ++++ b/block/bio.c +@@ -1627,7 +1627,7 @@ struct bio *bio_copy_kern(struct request_queue *q, void *data, unsigned int len, + if (bytes > len) + bytes = len; + +- page = alloc_page(q->bounce_gfp | gfp_mask); ++ page = alloc_page(q->bounce_gfp | __GFP_ZERO | gfp_mask); + if (!page) + goto cleanup; + +diff --git a/drivers/acpi/acpica/nsaccess.c b/drivers/acpi/acpica/nsaccess.c +index 3f045b5953b2e..a0c1a665dfc12 100644 +--- a/drivers/acpi/acpica/nsaccess.c ++++ b/drivers/acpi/acpica/nsaccess.c +@@ -99,13 +99,12 @@ acpi_status acpi_ns_root_initialize(void) + * just create and link the new node(s) here. + */ + new_node = +- ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_namespace_node)); ++ acpi_ns_create_node(*ACPI_CAST_PTR(u32, init_val->name)); + if (!new_node) { + status = AE_NO_MEMORY; + goto unlock_and_exit; + } + +- ACPI_COPY_NAMESEG(new_node->name.ascii, init_val->name); + new_node->descriptor_type = ACPI_DESC_TYPE_NAMED; + new_node->type = init_val->type; + +diff --git a/drivers/firewire/core-card.c b/drivers/firewire/core-card.c +index 54be88167c60b..f3b3953cac834 100644 +--- a/drivers/firewire/core-card.c ++++ b/drivers/firewire/core-card.c +@@ -668,6 +668,7 @@ EXPORT_SYMBOL_GPL(fw_card_release); + void fw_core_remove_card(struct fw_card *card) + { + struct fw_card_driver dummy_driver = dummy_driver_template; ++ unsigned long flags; + + card->driver->update_phy_reg(card, 4, + PHY_LINK_ACTIVE | PHY_CONTENDER, 0); +@@ -682,7 +683,9 @@ void fw_core_remove_card(struct fw_card *card) + dummy_driver.stop_iso = card->driver->stop_iso; + card->driver = &dummy_driver; + ++ spin_lock_irqsave(&card->lock, flags); + fw_destroy_nodes(card); ++ spin_unlock_irqrestore(&card->lock, flags); + + /* Wait for all users, especially device workqueue jobs, to finish. */ + fw_card_put(card); +diff --git a/drivers/firewire/core-cdev.c b/drivers/firewire/core-cdev.c +index 1da7ba18d3993..3a43e5d6ed3b2 100644 +--- a/drivers/firewire/core-cdev.c ++++ b/drivers/firewire/core-cdev.c +@@ -1482,6 +1482,7 @@ static void outbound_phy_packet_callback(struct fw_packet *packet, + { + struct outbound_phy_packet_event *e = + container_of(packet, struct outbound_phy_packet_event, p); ++ struct client *e_client; + + switch (status) { + /* expected: */ +@@ -1498,9 +1499,10 @@ static void outbound_phy_packet_callback(struct fw_packet *packet, + } + e->phy_packet.data[0] = packet->timestamp; + ++ e_client = e->client; + queue_event(e->client, &e->event, &e->phy_packet, + sizeof(e->phy_packet) + e->phy_packet.length, NULL, 0); +- client_put(e->client); ++ client_put(e_client); + } + + static int ioctl_send_phy_packet(struct client *client, union ioctl_arg *arg) +diff --git a/drivers/firewire/core-topology.c b/drivers/firewire/core-topology.c +index 94a13fca82673..5999dce11fc88 100644 +--- a/drivers/firewire/core-topology.c ++++ b/drivers/firewire/core-topology.c +@@ -374,16 +374,13 @@ static void report_found_node(struct fw_card *card, + card->bm_retries = 0; + } + ++/* Must be called with card->lock held */ + void fw_destroy_nodes(struct fw_card *card) + { +- unsigned long flags; +- +- spin_lock_irqsave(&card->lock, flags); + card->color++; + if (card->local_node != NULL) + for_each_fw_node(card, card->local_node, report_lost_node); + card->local_node = NULL; +- spin_unlock_irqrestore(&card->lock, flags); + } + + static void move_tree(struct fw_node *node0, struct fw_node *node1, int port) +@@ -509,6 +506,8 @@ void fw_core_handle_bus_reset(struct fw_card *card, int node_id, int generation, + struct fw_node *local_node; + unsigned long flags; + ++ spin_lock_irqsave(&card->lock, flags); ++ + /* + * If the selfID buffer is not the immediate successor of the + * previously processed one, we cannot reliably compare the +@@ -520,8 +519,6 @@ void fw_core_handle_bus_reset(struct fw_card *card, int node_id, int generation, + card->bm_retries = 0; + } + +- spin_lock_irqsave(&card->lock, flags); +- + card->broadcast_channel_allocated = card->broadcast_channel_auto_allocated; + card->node_id = node_id; + /* +diff --git a/drivers/firewire/core-transaction.c b/drivers/firewire/core-transaction.c +index 404a035f104d0..78574789a1872 100644 +--- a/drivers/firewire/core-transaction.c ++++ b/drivers/firewire/core-transaction.c +@@ -73,24 +73,25 @@ static int try_cancel_split_timeout(struct fw_transaction *t) + static int close_transaction(struct fw_transaction *transaction, + struct fw_card *card, int rcode) + { +- struct fw_transaction *t; ++ struct fw_transaction *t = NULL, *iter; + unsigned long flags; + + spin_lock_irqsave(&card->lock, flags); +- list_for_each_entry(t, &card->transaction_list, link) { +- if (t == transaction) { +- if (!try_cancel_split_timeout(t)) { ++ list_for_each_entry(iter, &card->transaction_list, link) { ++ if (iter == transaction) { ++ if (!try_cancel_split_timeout(iter)) { + spin_unlock_irqrestore(&card->lock, flags); + goto timed_out; + } +- list_del_init(&t->link); +- card->tlabel_mask &= ~(1ULL << t->tlabel); ++ list_del_init(&iter->link); ++ card->tlabel_mask &= ~(1ULL << iter->tlabel); ++ t = iter; + break; + } + } + spin_unlock_irqrestore(&card->lock, flags); + +- if (&t->link != &card->transaction_list) { ++ if (t) { + t->callback(card, rcode, NULL, 0, t->callback_data); + return 0; + } +@@ -935,7 +936,7 @@ EXPORT_SYMBOL(fw_core_handle_request); + + void fw_core_handle_response(struct fw_card *card, struct fw_packet *p) + { +- struct fw_transaction *t; ++ struct fw_transaction *t = NULL, *iter; + unsigned long flags; + u32 *data; + size_t data_length; +@@ -947,20 +948,21 @@ void fw_core_handle_response(struct fw_card *card, struct fw_packet *p) + rcode = HEADER_GET_RCODE(p->header[1]); + + spin_lock_irqsave(&card->lock, flags); +- list_for_each_entry(t, &card->transaction_list, link) { +- if (t->node_id == source && t->tlabel == tlabel) { +- if (!try_cancel_split_timeout(t)) { ++ list_for_each_entry(iter, &card->transaction_list, link) { ++ if (iter->node_id == source && iter->tlabel == tlabel) { ++ if (!try_cancel_split_timeout(iter)) { + spin_unlock_irqrestore(&card->lock, flags); + goto timed_out; + } +- list_del_init(&t->link); +- card->tlabel_mask &= ~(1ULL << t->tlabel); ++ list_del_init(&iter->link); ++ card->tlabel_mask &= ~(1ULL << iter->tlabel); ++ t = iter; + break; + } + } + spin_unlock_irqrestore(&card->lock, flags); + +- if (&t->link == &card->transaction_list) { ++ if (!t) { + timed_out: + fw_notice(card, "unsolicited response (source %x, tlabel %x)\n", + source, tlabel); +diff --git a/drivers/firewire/sbp2.c b/drivers/firewire/sbp2.c +index 4d5054211550b..2ceed9287435f 100644 +--- a/drivers/firewire/sbp2.c ++++ b/drivers/firewire/sbp2.c +@@ -408,7 +408,7 @@ static void sbp2_status_write(struct fw_card *card, struct fw_request *request, + void *payload, size_t length, void *callback_data) + { + struct sbp2_logical_unit *lu = callback_data; +- struct sbp2_orb *orb; ++ struct sbp2_orb *orb = NULL, *iter; + struct sbp2_status status; + unsigned long flags; + +@@ -433,17 +433,18 @@ static void sbp2_status_write(struct fw_card *card, struct fw_request *request, + + /* Lookup the orb corresponding to this status write. */ + spin_lock_irqsave(&lu->tgt->lock, flags); +- list_for_each_entry(orb, &lu->orb_list, link) { ++ list_for_each_entry(iter, &lu->orb_list, link) { + if (STATUS_GET_ORB_HIGH(status) == 0 && +- STATUS_GET_ORB_LOW(status) == orb->request_bus) { +- orb->rcode = RCODE_COMPLETE; +- list_del(&orb->link); ++ STATUS_GET_ORB_LOW(status) == iter->request_bus) { ++ iter->rcode = RCODE_COMPLETE; ++ list_del(&iter->link); ++ orb = iter; + break; + } + } + spin_unlock_irqrestore(&lu->tgt->lock, flags); + +- if (&orb->link != &lu->orb_list) { ++ if (orb) { + orb->callback(orb, &status); + kref_put(&orb->kref, free_orb); /* orb callback reference */ + } else { +diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c +index 3ece59185d372..b1dcd2dd52e6b 100644 +--- a/drivers/gpio/gpiolib-of.c ++++ b/drivers/gpio/gpiolib-of.c +@@ -783,7 +783,7 @@ static void of_gpiochip_init_valid_mask(struct gpio_chip *chip) + i, &start); + of_property_read_u32_index(np, "gpio-reserved-ranges", + i + 1, &count); +- if (start >= chip->ngpio || start + count >= chip->ngpio) ++ if (start >= chip->ngpio || start + count > chip->ngpio) + continue; + + bitmap_clear(chip->valid_mask, start, count); +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c +index 25af45adc03e7..49b52ac3e4731 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c +@@ -951,11 +951,15 @@ int amdgpu_amdkfd_gpuvm_acquire_process_vm(struct kgd_dev *kgd, + struct dma_fence **ef) + { + struct amdgpu_device *adev = get_amdgpu_device(kgd); +- struct drm_file *drm_priv = filp->private_data; +- struct amdgpu_fpriv *drv_priv = drm_priv->driver_priv; +- struct amdgpu_vm *avm = &drv_priv->vm; ++ struct amdgpu_fpriv *drv_priv; ++ struct amdgpu_vm *avm; + int ret; + ++ ret = amdgpu_file_to_fpriv(filp, &drv_priv); ++ if (ret) ++ return ret; ++ avm = &drv_priv->vm; ++ + /* Already a compute VM? */ + if (avm->process_info) + return -EINVAL; +diff --git a/drivers/hwmon/adt7470.c b/drivers/hwmon/adt7470.c +index a30f34cf512c2..95e06886991dc 100644 +--- a/drivers/hwmon/adt7470.c ++++ b/drivers/hwmon/adt7470.c +@@ -20,6 +20,7 @@ + #include <linux/kthread.h> + #include <linux/slab.h> + #include <linux/util_macros.h> ++#include <linux/sched.h> + + /* Addresses to scan */ + static const unsigned short normal_i2c[] = { 0x2C, 0x2E, 0x2F, I2C_CLIENT_END }; +@@ -260,11 +261,10 @@ static int adt7470_update_thread(void *p) + adt7470_read_temperatures(client, data); + mutex_unlock(&data->lock); + +- set_current_state(TASK_INTERRUPTIBLE); + if (kthread_should_stop()) + break; + +- schedule_timeout(msecs_to_jiffies(data->auto_update_interval)); ++ schedule_timeout_interruptible(msecs_to_jiffies(data->auto_update_interval)); + } + + return 0; +diff --git a/drivers/infiniband/sw/siw/siw_cm.c b/drivers/infiniband/sw/siw/siw_cm.c +index e3bac1a877bb7..3aed597103d3d 100644 +--- a/drivers/infiniband/sw/siw/siw_cm.c ++++ b/drivers/infiniband/sw/siw/siw_cm.c +@@ -976,14 +976,15 @@ static void siw_accept_newconn(struct siw_cep *cep) + + siw_cep_set_inuse(new_cep); + rv = siw_proc_mpareq(new_cep); +- siw_cep_set_free(new_cep); +- + if (rv != -EAGAIN) { + siw_cep_put(cep); + new_cep->listen_cep = NULL; +- if (rv) ++ if (rv) { ++ siw_cep_set_free(new_cep); + goto error; ++ } + } ++ siw_cep_set_free(new_cep); + } + return; + +diff --git a/drivers/md/dm.c b/drivers/md/dm.c +index 530c0fe142291..37b8bb4d80f0f 100644 +--- a/drivers/md/dm.c ++++ b/drivers/md/dm.c +@@ -676,19 +676,20 @@ static void start_io_acct(struct dm_io *io) + false, 0, &io->stats_aux); + } + +-static void end_io_acct(struct dm_io *io) ++static void end_io_acct(struct mapped_device *md, struct bio *bio, ++ unsigned long start_time, struct dm_stats_aux *stats_aux) + { +- struct mapped_device *md = io->md; +- struct bio *bio = io->orig_bio; +- unsigned long duration = jiffies - io->start_time; +- +- generic_end_io_acct(md->queue, bio_op(bio), &dm_disk(md)->part0, +- io->start_time); ++ unsigned long duration = jiffies - start_time; + + if (unlikely(dm_stats_used(&md->stats))) + dm_stats_account_io(&md->stats, bio_data_dir(bio), + bio->bi_iter.bi_sector, bio_sectors(bio), +- true, duration, &io->stats_aux); ++ true, duration, stats_aux); ++ ++ smp_wmb(); ++ ++ generic_end_io_acct(md->queue, bio_op(bio), &dm_disk(md)->part0, ++ start_time); + + /* nudge anyone waiting on suspend queue */ + if (unlikely(wq_has_sleeper(&md->wait))) +@@ -909,6 +910,8 @@ static void dec_pending(struct dm_io *io, blk_status_t error) + blk_status_t io_error; + struct bio *bio; + struct mapped_device *md = io->md; ++ unsigned long start_time = 0; ++ struct dm_stats_aux stats_aux; + + /* Push-back supersedes any I/O errors */ + if (unlikely(error)) { +@@ -935,8 +938,10 @@ static void dec_pending(struct dm_io *io, blk_status_t error) + + io_error = io->status; + bio = io->orig_bio; +- end_io_acct(io); ++ start_time = io->start_time; ++ stats_aux = io->stats_aux; + free_io(md, io); ++ end_io_acct(md, bio, start_time, &stats_aux); + + if (io_error == BLK_STS_DM_REQUEUE) + return; +@@ -2491,6 +2496,8 @@ static int dm_wait_for_completion(struct mapped_device *md, long task_state) + } + finish_wait(&md->wait, &wait); + ++ smp_rmb(); ++ + return r; + } + +diff --git a/drivers/mmc/host/rtsx_pci_sdmmc.c b/drivers/mmc/host/rtsx_pci_sdmmc.c +index 9ff718b61c72e..e5ae3346b05a9 100644 +--- a/drivers/mmc/host/rtsx_pci_sdmmc.c ++++ b/drivers/mmc/host/rtsx_pci_sdmmc.c +@@ -37,10 +37,7 @@ struct realtek_pci_sdmmc { + bool double_clk; + bool eject; + bool initial_mode; +- int power_state; +-#define SDMMC_POWER_ON 1 +-#define SDMMC_POWER_OFF 0 +- ++ int prev_power_state; + int sg_count; + s32 cookie; + int cookie_sg_count; +@@ -902,14 +899,21 @@ static int sd_set_bus_width(struct realtek_pci_sdmmc *host, + return err; + } + +-static int sd_power_on(struct realtek_pci_sdmmc *host) ++static int sd_power_on(struct realtek_pci_sdmmc *host, unsigned char power_mode) + { + struct rtsx_pcr *pcr = host->pcr; + int err; + +- if (host->power_state == SDMMC_POWER_ON) ++ if (host->prev_power_state == MMC_POWER_ON) + return 0; + ++ if (host->prev_power_state == MMC_POWER_UP) { ++ rtsx_pci_write_register(pcr, SD_BUS_STAT, SD_CLK_TOGGLE_EN, 0); ++ goto finish; ++ } ++ ++ msleep(100); ++ + rtsx_pci_init_cmd(pcr); + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_SELECT, 0x07, SD_MOD_SEL); + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_SHARE_MODE, +@@ -928,11 +932,17 @@ static int sd_power_on(struct realtek_pci_sdmmc *host) + if (err < 0) + return err; + ++ mdelay(1); ++ + err = rtsx_pci_write_register(pcr, CARD_OE, SD_OUTPUT_EN, SD_OUTPUT_EN); + if (err < 0) + return err; + +- host->power_state = SDMMC_POWER_ON; ++ /* send at least 74 clocks */ ++ rtsx_pci_write_register(pcr, SD_BUS_STAT, SD_CLK_TOGGLE_EN, SD_CLK_TOGGLE_EN); ++ ++finish: ++ host->prev_power_state = power_mode; + return 0; + } + +@@ -941,7 +951,7 @@ static int sd_power_off(struct realtek_pci_sdmmc *host) + struct rtsx_pcr *pcr = host->pcr; + int err; + +- host->power_state = SDMMC_POWER_OFF; ++ host->prev_power_state = MMC_POWER_OFF; + + rtsx_pci_init_cmd(pcr); + +@@ -967,7 +977,7 @@ static int sd_set_power_mode(struct realtek_pci_sdmmc *host, + if (power_mode == MMC_POWER_OFF) + err = sd_power_off(host); + else +- err = sd_power_on(host); ++ err = sd_power_on(host, power_mode); + + return err; + } +@@ -1402,10 +1412,11 @@ static int rtsx_pci_sdmmc_drv_probe(struct platform_device *pdev) + + host = mmc_priv(mmc); + host->pcr = pcr; ++ mmc->ios.power_delay_ms = 5; + host->mmc = mmc; + host->pdev = pdev; + host->cookie = -1; +- host->power_state = SDMMC_POWER_OFF; ++ host->prev_power_state = MMC_POWER_OFF; + INIT_WORK(&host->work, sd_request); + platform_set_drvdata(pdev, host); + pcr->slots[RTSX_SD_CARD].p_dev = pdev; +diff --git a/drivers/net/can/grcan.c b/drivers/net/can/grcan.c +index b8f1f2b69dd3e..3496dfa1b5217 100644 +--- a/drivers/net/can/grcan.c ++++ b/drivers/net/can/grcan.c +@@ -248,6 +248,7 @@ struct grcan_device_config { + struct grcan_priv { + struct can_priv can; /* must be the first member */ + struct net_device *dev; ++ struct device *ofdev_dev; + struct napi_struct napi; + + struct grcan_registers __iomem *regs; /* ioremap'ed registers */ +@@ -924,7 +925,7 @@ static void grcan_free_dma_buffers(struct net_device *dev) + struct grcan_priv *priv = netdev_priv(dev); + struct grcan_dma *dma = &priv->dma; + +- dma_free_coherent(&dev->dev, dma->base_size, dma->base_buf, ++ dma_free_coherent(priv->ofdev_dev, dma->base_size, dma->base_buf, + dma->base_handle); + memset(dma, 0, sizeof(*dma)); + } +@@ -949,7 +950,7 @@ static int grcan_allocate_dma_buffers(struct net_device *dev, + + /* Extra GRCAN_BUFFER_ALIGNMENT to allow for alignment */ + dma->base_size = lsize + ssize + GRCAN_BUFFER_ALIGNMENT; +- dma->base_buf = dma_alloc_coherent(&dev->dev, ++ dma->base_buf = dma_alloc_coherent(priv->ofdev_dev, + dma->base_size, + &dma->base_handle, + GFP_KERNEL); +@@ -1113,8 +1114,10 @@ static int grcan_close(struct net_device *dev) + + priv->closing = true; + if (priv->need_txbug_workaround) { ++ spin_unlock_irqrestore(&priv->lock, flags); + del_timer_sync(&priv->hang_timer); + del_timer_sync(&priv->rr_timer); ++ spin_lock_irqsave(&priv->lock, flags); + } + netif_stop_queue(dev); + grcan_stop_hardware(dev); +@@ -1600,6 +1603,7 @@ static int grcan_setup_netdev(struct platform_device *ofdev, + memcpy(&priv->config, &grcan_module_config, + sizeof(struct grcan_device_config)); + priv->dev = dev; ++ priv->ofdev_dev = &ofdev->dev; + priv->regs = base; + priv->can.bittiming_const = &grcan_bittiming_const; + priv->can.do_set_bittiming = grcan_set_bittiming; +diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c +index 7f590a9e3af79..5a7d5e7f3b238 100644 +--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c ++++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c +@@ -9791,7 +9791,7 @@ static bool bnxt_rfs_capable(struct bnxt *bp) + + if (bp->flags & BNXT_FLAG_CHIP_P5) + return bnxt_rfs_supported(bp); +- if (!(bp->flags & BNXT_FLAG_MSIX_CAP) || !bnxt_can_reserve_rings(bp)) ++ if (!(bp->flags & BNXT_FLAG_MSIX_CAP) || !bnxt_can_reserve_rings(bp) || !bp->rx_nr_rings) + return false; + + vnics = 1 + bp->rx_nr_rings; +@@ -11725,10 +11725,9 @@ static int bnxt_init_dflt_ring_mode(struct bnxt *bp) + goto init_dflt_ring_err; + + bp->tx_nr_rings_per_tc = bp->tx_nr_rings; +- if (bnxt_rfs_supported(bp) && bnxt_rfs_capable(bp)) { +- bp->flags |= BNXT_FLAG_RFS; +- bp->dev->features |= NETIF_F_NTUPLE; +- } ++ ++ bnxt_set_dflt_rfs(bp); ++ + init_dflt_ring_err: + bnxt_ulp_irq_restart(bp, rc); + return rc; +diff --git a/drivers/net/ethernet/mediatek/mtk_sgmii.c b/drivers/net/ethernet/mediatek/mtk_sgmii.c +index 4db27dfc7ec1f..6702d77030885 100644 +--- a/drivers/net/ethernet/mediatek/mtk_sgmii.c ++++ b/drivers/net/ethernet/mediatek/mtk_sgmii.c +@@ -26,6 +26,7 @@ int mtk_sgmii_init(struct mtk_sgmii *ss, struct device_node *r, u32 ana_rgc3) + break; + + ss->regmap[i] = syscon_node_to_regmap(np); ++ of_node_put(np); + if (IS_ERR(ss->regmap[i])) + return PTR_ERR(ss->regmap[i]); + } +diff --git a/drivers/net/ethernet/smsc/smsc911x.c b/drivers/net/ethernet/smsc/smsc911x.c +index c7bdada4d1b97..7767d0ae9ebc1 100644 +--- a/drivers/net/ethernet/smsc/smsc911x.c ++++ b/drivers/net/ethernet/smsc/smsc911x.c +@@ -2433,7 +2433,7 @@ static int smsc911x_drv_probe(struct platform_device *pdev) + if (irq == -EPROBE_DEFER) { + retval = -EPROBE_DEFER; + goto out_0; +- } else if (irq <= 0) { ++ } else if (irq < 0) { + pr_warn("Could not allocate irq resource\n"); + retval = -ENODEV; + goto out_0; +diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c +index 7c73d296b940d..497ce6e6b16ff 100644 +--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c ++++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c +@@ -879,6 +879,7 @@ static int sun8i_dwmac_register_mdio_mux(struct stmmac_priv *priv) + + ret = mdio_mux_init(priv->device, mdio_mux, mdio_mux_syscon_switch_fn, + &gmac->mux_handle, priv, priv->mii); ++ of_node_put(mdio_mux); + return ret; + } + +diff --git a/drivers/net/ethernet/xilinx/xilinx_emaclite.c b/drivers/net/ethernet/xilinx/xilinx_emaclite.c +index 63a2d1bcccfbc..bec09008997de 100644 +--- a/drivers/net/ethernet/xilinx/xilinx_emaclite.c ++++ b/drivers/net/ethernet/xilinx/xilinx_emaclite.c +@@ -820,10 +820,10 @@ static int xemaclite_mdio_write(struct mii_bus *bus, int phy_id, int reg, + static int xemaclite_mdio_setup(struct net_local *lp, struct device *dev) + { + struct mii_bus *bus; +- int rc; + struct resource res; + struct device_node *np = of_get_parent(lp->phy_node); + struct device_node *npp; ++ int rc, ret; + + /* Don't register the MDIO bus if the phy_node or its parent node + * can't be found. +@@ -833,8 +833,14 @@ static int xemaclite_mdio_setup(struct net_local *lp, struct device *dev) + return -ENODEV; + } + npp = of_get_parent(np); +- +- of_address_to_resource(npp, 0, &res); ++ ret = of_address_to_resource(npp, 0, &res); ++ of_node_put(npp); ++ if (ret) { ++ dev_err(dev, "%s resource error!\n", ++ dev->of_node->full_name); ++ of_node_put(np); ++ return ret; ++ } + if (lp->ndev->mem_start != res.start) { + struct phy_device *phydev; + phydev = of_phy_find_device(lp->phy_node); +@@ -843,6 +849,7 @@ static int xemaclite_mdio_setup(struct net_local *lp, struct device *dev) + "MDIO of the phy is not registered yet\n"); + else + put_device(&phydev->mdio.dev); ++ of_node_put(np); + return 0; + } + +@@ -855,6 +862,7 @@ static int xemaclite_mdio_setup(struct net_local *lp, struct device *dev) + bus = mdiobus_alloc(); + if (!bus) { + dev_err(dev, "Failed to allocate mdiobus\n"); ++ of_node_put(np); + return -ENOMEM; + } + +@@ -867,6 +875,7 @@ static int xemaclite_mdio_setup(struct net_local *lp, struct device *dev) + bus->parent = dev; + + rc = of_mdiobus_register(bus, np); ++ of_node_put(np); + if (rc) { + dev_err(dev, "Failed to register mdio bus.\n"); + goto err_register; +diff --git a/drivers/nfc/nfcmrvl/main.c b/drivers/nfc/nfcmrvl/main.c +index 529be35ac1782..54d228acc0f5d 100644 +--- a/drivers/nfc/nfcmrvl/main.c ++++ b/drivers/nfc/nfcmrvl/main.c +@@ -194,6 +194,7 @@ void nfcmrvl_nci_unregister_dev(struct nfcmrvl_private *priv) + { + struct nci_dev *ndev = priv->ndev; + ++ nci_unregister_device(ndev); + if (priv->ndev->nfc_dev->fw_download_in_progress) + nfcmrvl_fw_dnld_abort(priv); + +@@ -202,7 +203,6 @@ void nfcmrvl_nci_unregister_dev(struct nfcmrvl_private *priv) + if (gpio_is_valid(priv->config.reset_n_io)) + gpio_free(priv->config.reset_n_io); + +- nci_unregister_device(ndev); + nci_free_device(ndev); + kfree(priv); + } +diff --git a/drivers/pci/controller/pci-aardvark.c b/drivers/pci/controller/pci-aardvark.c +index 721d2652319ce..7219ca39aa909 100644 +--- a/drivers/pci/controller/pci-aardvark.c ++++ b/drivers/pci/controller/pci-aardvark.c +@@ -108,6 +108,7 @@ + #define PCIE_MSI_ADDR_HIGH_REG (CONTROL_BASE_ADDR + 0x54) + #define PCIE_MSI_STATUS_REG (CONTROL_BASE_ADDR + 0x58) + #define PCIE_MSI_MASK_REG (CONTROL_BASE_ADDR + 0x5C) ++#define PCIE_MSI_ALL_MASK GENMASK(31, 0) + #define PCIE_MSI_PAYLOAD_REG (CONTROL_BASE_ADDR + 0x9C) + #define PCIE_MSI_DATA_MASK GENMASK(15, 0) + +@@ -561,6 +562,7 @@ static void advk_pcie_setup_hw(struct advk_pcie *pcie) + advk_writel(pcie, reg, PCIE_CORE_CTRL2_REG); + + /* Clear all interrupts */ ++ advk_writel(pcie, PCIE_MSI_ALL_MASK, PCIE_MSI_STATUS_REG); + advk_writel(pcie, PCIE_ISR0_ALL_MASK, PCIE_ISR0_REG); + advk_writel(pcie, PCIE_ISR1_ALL_MASK, PCIE_ISR1_REG); + advk_writel(pcie, PCIE_IRQ_ALL_MASK, HOST_CTRL_INT_STATUS_REG); +@@ -573,7 +575,7 @@ static void advk_pcie_setup_hw(struct advk_pcie *pcie) + advk_writel(pcie, PCIE_ISR1_ALL_MASK, PCIE_ISR1_MASK_REG); + + /* Unmask all MSIs */ +- advk_writel(pcie, 0, PCIE_MSI_MASK_REG); ++ advk_writel(pcie, ~(u32)PCIE_MSI_ALL_MASK, PCIE_MSI_MASK_REG); + + /* Enable summary interrupt for GIC SPI source */ + reg = PCIE_IRQ_ALL_MASK & (~PCIE_IRQ_ENABLE_INTS_MASK); +@@ -1370,23 +1372,19 @@ static void advk_pcie_remove_irq_domain(struct advk_pcie *pcie) + static void advk_pcie_handle_msi(struct advk_pcie *pcie) + { + u32 msi_val, msi_mask, msi_status, msi_idx; +- u16 msi_data; ++ int virq; + + msi_mask = advk_readl(pcie, PCIE_MSI_MASK_REG); + msi_val = advk_readl(pcie, PCIE_MSI_STATUS_REG); +- msi_status = msi_val & ~msi_mask; ++ msi_status = msi_val & ((~msi_mask) & PCIE_MSI_ALL_MASK); + + for (msi_idx = 0; msi_idx < MSI_IRQ_NUM; msi_idx++) { + if (!(BIT(msi_idx) & msi_status)) + continue; + +- /* +- * msi_idx contains bits [4:0] of the msi_data and msi_data +- * contains 16bit MSI interrupt number +- */ + advk_writel(pcie, BIT(msi_idx), PCIE_MSI_STATUS_REG); +- msi_data = advk_readl(pcie, PCIE_MSI_PAYLOAD_REG) & PCIE_MSI_DATA_MASK; +- generic_handle_irq(msi_data); ++ virq = irq_find_mapping(pcie->msi_inner_domain, msi_idx); ++ generic_handle_irq(virq); + } + + advk_writel(pcie, PCIE_ISR0_MSI_INT_PENDING, +diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c +index b577c8f7e3462..e0570cd0e520c 100644 +--- a/drivers/s390/block/dasd.c ++++ b/drivers/s390/block/dasd.c +@@ -1462,6 +1462,13 @@ int dasd_start_IO(struct dasd_ccw_req *cqr) + if (!cqr->lpm) + cqr->lpm = dasd_path_get_opm(device); + } ++ /* ++ * remember the amount of formatted tracks to prevent double format on ++ * ESE devices ++ */ ++ if (cqr->block) ++ cqr->trkcount = atomic_read(&cqr->block->trkcount); ++ + if (cqr->cpmode == 1) { + rc = ccw_device_tm_start(device->cdev, cqr->cpaddr, + (long) cqr, cqr->lpm); +@@ -1680,6 +1687,7 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm, + unsigned long now; + int nrf_suppressed = 0; + int fp_suppressed = 0; ++ struct request *req; + u8 *sense = NULL; + int expires; + +@@ -1780,7 +1788,12 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm, + } + + if (dasd_ese_needs_format(cqr->block, irb)) { +- if (rq_data_dir((struct request *)cqr->callback_data) == READ) { ++ req = dasd_get_callback_data(cqr); ++ if (!req) { ++ cqr->status = DASD_CQR_ERROR; ++ return; ++ } ++ if (rq_data_dir(req) == READ) { + device->discipline->ese_read(cqr, irb); + cqr->status = DASD_CQR_SUCCESS; + cqr->stopclk = now; +@@ -2799,8 +2812,7 @@ static void __dasd_cleanup_cqr(struct dasd_ccw_req *cqr) + * complete a request partially. + */ + if (proc_bytes) { +- blk_update_request(req, BLK_STS_OK, +- blk_rq_bytes(req) - proc_bytes); ++ blk_update_request(req, BLK_STS_OK, proc_bytes); + blk_mq_requeue_request(req, true); + } else { + blk_mq_complete_request(req); +diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c +index ad44d22e88591..7749deb614d75 100644 +--- a/drivers/s390/block/dasd_eckd.c ++++ b/drivers/s390/block/dasd_eckd.c +@@ -3026,13 +3026,24 @@ static int dasd_eckd_format_device(struct dasd_device *base, + } + + static bool test_and_set_format_track(struct dasd_format_entry *to_format, +- struct dasd_block *block) ++ struct dasd_ccw_req *cqr) + { ++ struct dasd_block *block = cqr->block; + struct dasd_format_entry *format; + unsigned long flags; + bool rc = false; + + spin_lock_irqsave(&block->format_lock, flags); ++ if (cqr->trkcount != atomic_read(&block->trkcount)) { ++ /* ++ * The number of formatted tracks has changed after request ++ * start and we can not tell if the current track was involved. ++ * To avoid data corruption treat it as if the current track is ++ * involved ++ */ ++ rc = true; ++ goto out; ++ } + list_for_each_entry(format, &block->format_list, list) { + if (format->track == to_format->track) { + rc = true; +@@ -3052,6 +3063,7 @@ static void clear_format_track(struct dasd_format_entry *format, + unsigned long flags; + + spin_lock_irqsave(&block->format_lock, flags); ++ atomic_inc(&block->trkcount); + list_del_init(&format->list); + spin_unlock_irqrestore(&block->format_lock, flags); + } +@@ -3088,7 +3100,7 @@ dasd_eckd_ese_format(struct dasd_device *startdev, struct dasd_ccw_req *cqr, + sector_t curr_trk; + int rc; + +- req = cqr->callback_data; ++ req = dasd_get_callback_data(cqr); + block = cqr->block; + base = block->base; + private = base->private; +@@ -3113,8 +3125,11 @@ dasd_eckd_ese_format(struct dasd_device *startdev, struct dasd_ccw_req *cqr, + } + format->track = curr_trk; + /* test if track is already in formatting by another thread */ +- if (test_and_set_format_track(format, block)) ++ if (test_and_set_format_track(format, cqr)) { ++ /* this is no real error so do not count down retries */ ++ cqr->retries++; + return ERR_PTR(-EEXIST); ++ } + + fdata.start_unit = curr_trk; + fdata.stop_unit = curr_trk; +@@ -3213,12 +3228,11 @@ static int dasd_eckd_ese_read(struct dasd_ccw_req *cqr, struct irb *irb) + cqr->proc_bytes = blk_count * blksize; + return 0; + } +- if (dst && !skip_block) { +- dst += off; ++ if (dst && !skip_block) + memset(dst, 0, blksize); +- } else { ++ else + skip_block--; +- } ++ dst += blksize; + blk_count++; + } + } +diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h +index fa552f9f16667..9d9685c25253d 100644 +--- a/drivers/s390/block/dasd_int.h ++++ b/drivers/s390/block/dasd_int.h +@@ -188,6 +188,7 @@ struct dasd_ccw_req { + void (*callback)(struct dasd_ccw_req *, void *data); + void *callback_data; + unsigned int proc_bytes; /* bytes for partial completion */ ++ unsigned int trkcount; /* count formatted tracks */ + }; + + /* +@@ -575,6 +576,7 @@ struct dasd_block { + + struct list_head format_list; + spinlock_t format_lock; ++ atomic_t trkcount; + }; + + struct dasd_attention_data { +@@ -723,6 +725,18 @@ dasd_check_blocksize(int bsize) + return 0; + } + ++/* ++ * return the callback data of the original request in case there are ++ * ERP requests build on top of it ++ */ ++static inline void *dasd_get_callback_data(struct dasd_ccw_req *cqr) ++{ ++ while (cqr->refers) ++ cqr = cqr->refers; ++ ++ return cqr->callback_data; ++} ++ + /* externals in dasd.c */ + #define DASD_PROFILE_OFF 0 + #define DASD_PROFILE_ON 1 +diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c +index 9b703c0db9796..b7bfecfc2ea33 100644 +--- a/fs/btrfs/tree-log.c ++++ b/fs/btrfs/tree-log.c +@@ -5294,6 +5294,18 @@ static int btrfs_log_inode(struct btrfs_trans_handle *trans, + mutex_lock(&inode->log_mutex); + } + ++ /* ++ * For symlinks, we must always log their content, which is stored in an ++ * inline extent, otherwise we could end up with an empty symlink after ++ * log replay, which is invalid on linux (symlink(2) returns -ENOENT if ++ * one attempts to create an empty symlink). ++ * We don't need to worry about flushing delalloc, because when we create ++ * the inline extent when the symlink is created (we never have delalloc ++ * for symlinks). ++ */ ++ if (S_ISLNK(inode->vfs_inode.i_mode)) ++ inode_only = LOG_INODE_ALL; ++ + /* + * a brute force approach to making sure we get the most uptodate + * copies of everything. +@@ -5707,7 +5719,7 @@ process_leaf: + } + + ctx->log_new_dentries = false; +- if (type == BTRFS_FT_DIR || type == BTRFS_FT_SYMLINK) ++ if (type == BTRFS_FT_DIR) + log_mode = LOG_INODE_ALL; + ret = btrfs_log_inode(trans, root, BTRFS_I(di_inode), + log_mode, 0, LLONG_MAX, ctx); +diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c +index 76baf7b441f3c..cf3b00751ff65 100644 +--- a/fs/nfs/nfs4proc.c ++++ b/fs/nfs/nfs4proc.c +@@ -359,6 +359,14 @@ static void nfs4_setup_readdir(u64 cookie, __be32 *verifier, struct dentry *dent + kunmap_atomic(start); + } + ++static void nfs4_fattr_set_prechange(struct nfs_fattr *fattr, u64 version) ++{ ++ if (!(fattr->valid & NFS_ATTR_FATTR_PRECHANGE)) { ++ fattr->pre_change_attr = version; ++ fattr->valid |= NFS_ATTR_FATTR_PRECHANGE; ++ } ++} ++ + static void nfs4_test_and_free_stateid(struct nfs_server *server, + nfs4_stateid *stateid, + const struct cred *cred) +@@ -6307,7 +6315,9 @@ static void nfs4_delegreturn_release(void *calldata) + pnfs_roc_release(&data->lr.arg, &data->lr.res, + data->res.lr_ret); + if (inode) { +- nfs_post_op_update_inode_force_wcc(inode, &data->fattr); ++ nfs4_fattr_set_prechange(&data->fattr, ++ inode_peek_iversion_raw(inode)); ++ nfs_refresh_inode(inode, &data->fattr); + nfs_iput_and_deactive(inode); + } + kfree(calldata); +diff --git a/include/net/tcp.h b/include/net/tcp.h +index 9237362e56065..65be8bd1f0f4a 100644 +--- a/include/net/tcp.h ++++ b/include/net/tcp.h +@@ -2015,6 +2015,11 @@ struct tcp_request_sock_ops { + enum tcp_synack_type synack_type); + }; + ++extern const struct tcp_request_sock_ops tcp_request_sock_ipv4_ops; ++#if IS_ENABLED(CONFIG_IPV6) ++extern const struct tcp_request_sock_ops tcp_request_sock_ipv6_ops; ++#endif ++ + #ifdef CONFIG_SYN_COOKIES + static inline __u32 cookie_init_sequence(const struct tcp_request_sock_ops *ops, + const struct sock *sk, struct sk_buff *skb, +diff --git a/include/sound/pcm.h b/include/sound/pcm.h +index bbe6eb1ff5d22..f0045f842a604 100644 +--- a/include/sound/pcm.h ++++ b/include/sound/pcm.h +@@ -395,6 +395,8 @@ struct snd_pcm_runtime { + wait_queue_head_t sleep; /* poll sleep */ + wait_queue_head_t tsleep; /* transfer sleep */ + struct fasync_struct *fasync; ++ struct mutex buffer_mutex; /* protect for buffer changes */ ++ atomic_t buffer_accessing; /* >0: in r/w operation, <0: blocked */ + + /* -- private section -- */ + void *private_data; +diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h +index c9d8eb7f5c029..ba4d742c1c655 100644 +--- a/kernel/irq/internals.h ++++ b/kernel/irq/internals.h +@@ -29,12 +29,14 @@ extern struct irqaction chained_action; + * IRQTF_WARNED - warning "IRQ_WAKE_THREAD w/o thread_fn" has been printed + * IRQTF_AFFINITY - irq thread is requested to adjust affinity + * IRQTF_FORCED_THREAD - irq action is force threaded ++ * IRQTF_READY - signals that irq thread is ready + */ + enum { + IRQTF_RUNTHREAD, + IRQTF_WARNED, + IRQTF_AFFINITY, + IRQTF_FORCED_THREAD, ++ IRQTF_READY, + }; + + /* +diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c +index 9be995fc3c5a1..172b5e6bc4c2f 100644 +--- a/kernel/irq/irqdesc.c ++++ b/kernel/irq/irqdesc.c +@@ -405,6 +405,7 @@ static struct irq_desc *alloc_desc(int irq, int node, unsigned int flags, + lockdep_set_class(&desc->lock, &irq_desc_lock_class); + mutex_init(&desc->request_mutex); + init_rcu_head(&desc->rcu); ++ init_waitqueue_head(&desc->wait_for_threads); + + desc_set_defaults(irq, desc, node, affinity, owner); + irqd_set(&desc->irq_data, flags); +@@ -573,6 +574,7 @@ int __init early_irq_init(void) + raw_spin_lock_init(&desc[i].lock); + lockdep_set_class(&desc[i].lock, &irq_desc_lock_class); + mutex_init(&desc[i].request_mutex); ++ init_waitqueue_head(&desc[i].wait_for_threads); + desc_set_defaults(i, &desc[i], node, NULL, NULL); + } + return arch_early_irq_init(); +diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c +index 918fe05933862..79214f9836243 100644 +--- a/kernel/irq/manage.c ++++ b/kernel/irq/manage.c +@@ -1102,6 +1102,31 @@ static void irq_wake_secondary(struct irq_desc *desc, struct irqaction *action) + raw_spin_unlock_irq(&desc->lock); + } + ++/* ++ * Internal function to notify that a interrupt thread is ready. ++ */ ++static void irq_thread_set_ready(struct irq_desc *desc, ++ struct irqaction *action) ++{ ++ set_bit(IRQTF_READY, &action->thread_flags); ++ wake_up(&desc->wait_for_threads); ++} ++ ++/* ++ * Internal function to wake up a interrupt thread and wait until it is ++ * ready. ++ */ ++static void wake_up_and_wait_for_irq_thread_ready(struct irq_desc *desc, ++ struct irqaction *action) ++{ ++ if (!action || !action->thread) ++ return; ++ ++ wake_up_process(action->thread); ++ wait_event(desc->wait_for_threads, ++ test_bit(IRQTF_READY, &action->thread_flags)); ++} ++ + /* + * Interrupt handler thread + */ +@@ -1113,6 +1138,8 @@ static int irq_thread(void *data) + irqreturn_t (*handler_fn)(struct irq_desc *desc, + struct irqaction *action); + ++ irq_thread_set_ready(desc, action); ++ + if (force_irqthreads && test_bit(IRQTF_FORCED_THREAD, + &action->thread_flags)) + handler_fn = irq_forced_thread_fn; +@@ -1541,8 +1568,6 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new) + } + + if (!shared) { +- init_waitqueue_head(&desc->wait_for_threads); +- + /* Setup the type (level, edge polarity) if configured: */ + if (new->flags & IRQF_TRIGGER_MASK) { + ret = __irq_set_trigger(desc, +@@ -1632,14 +1657,8 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new) + + irq_setup_timings(desc, new); + +- /* +- * Strictly no need to wake it up, but hung_task complains +- * when no hard interrupt wakes the thread up. +- */ +- if (new->thread) +- wake_up_process(new->thread); +- if (new->secondary) +- wake_up_process(new->secondary->thread); ++ wake_up_and_wait_for_irq_thread_ready(desc, new); ++ wake_up_and_wait_for_irq_thread_ready(desc, new->secondary); + + register_irq_proc(irq, desc); + new->dir = NULL; +diff --git a/mm/page_io.c b/mm/page_io.c +index bcf27d0572534..f0e3f2be7b44c 100644 +--- a/mm/page_io.c ++++ b/mm/page_io.c +@@ -69,54 +69,6 @@ void end_swap_bio_write(struct bio *bio) + bio_put(bio); + } + +-static void swap_slot_free_notify(struct page *page) +-{ +- struct swap_info_struct *sis; +- struct gendisk *disk; +- swp_entry_t entry; +- +- /* +- * There is no guarantee that the page is in swap cache - the software +- * suspend code (at least) uses end_swap_bio_read() against a non- +- * swapcache page. So we must check PG_swapcache before proceeding with +- * this optimization. +- */ +- if (unlikely(!PageSwapCache(page))) +- return; +- +- sis = page_swap_info(page); +- if (!(sis->flags & SWP_BLKDEV)) +- return; +- +- /* +- * The swap subsystem performs lazy swap slot freeing, +- * expecting that the page will be swapped out again. +- * So we can avoid an unnecessary write if the page +- * isn't redirtied. +- * This is good for real swap storage because we can +- * reduce unnecessary I/O and enhance wear-leveling +- * if an SSD is used as the as swap device. +- * But if in-memory swap device (eg zram) is used, +- * this causes a duplicated copy between uncompressed +- * data in VM-owned memory and compressed data in +- * zram-owned memory. So let's free zram-owned memory +- * and make the VM-owned decompressed page *dirty*, +- * so the page should be swapped out somewhere again if +- * we again wish to reclaim it. +- */ +- disk = sis->bdev->bd_disk; +- entry.val = page_private(page); +- if (disk->fops->swap_slot_free_notify && __swap_count(entry) == 1) { +- unsigned long offset; +- +- offset = swp_offset(entry); +- +- SetPageDirty(page); +- disk->fops->swap_slot_free_notify(sis->bdev, +- offset); +- } +-} +- + static void end_swap_bio_read(struct bio *bio) + { + struct page *page = bio_first_page_all(bio); +@@ -132,7 +84,6 @@ static void end_swap_bio_read(struct bio *bio) + } + + SetPageUptodate(page); +- swap_slot_free_notify(page); + out: + unlock_page(page); + WRITE_ONCE(bio->bi_private, NULL); +@@ -371,11 +322,6 @@ int swap_readpage(struct page *page, bool synchronous) + + ret = bdev_read_page(sis->bdev, swap_page_sector(page), page); + if (!ret) { +- if (trylock_page(page)) { +- swap_slot_free_notify(page); +- unlock_page(page); +- } +- + count_vm_event(PSWPIN); + return 0; + } +diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c +index b1ecc91955172..cac2fdd08df05 100644 +--- a/net/ipv4/igmp.c ++++ b/net/ipv4/igmp.c +@@ -2403,9 +2403,10 @@ int ip_mc_source(int add, int omode, struct sock *sk, struct + newpsl->sl_addr[i] = psl->sl_addr[i]; + /* decrease mem now to avoid the memleak warning */ + atomic_sub(IP_SFLSIZE(psl->sl_max), &sk->sk_omem_alloc); +- kfree_rcu(psl, rcu); + } + rcu_assign_pointer(pmc->sflist, newpsl); ++ if (psl) ++ kfree_rcu(psl, rcu); + psl = newpsl; + } + rv = 1; /* > 0 for insert logic below if sl_count is 0 */ +@@ -2503,11 +2504,13 @@ int ip_mc_msfilter(struct sock *sk, struct ip_msfilter *msf, int ifindex) + psl->sl_count, psl->sl_addr, 0); + /* decrease mem now to avoid the memleak warning */ + atomic_sub(IP_SFLSIZE(psl->sl_max), &sk->sk_omem_alloc); +- kfree_rcu(psl, rcu); +- } else ++ } else { + (void) ip_mc_del_src(in_dev, &msf->imsf_multiaddr, pmc->sfmode, + 0, NULL, 0); ++ } + rcu_assign_pointer(pmc->sflist, newpsl); ++ if (psl) ++ kfree_rcu(psl, rcu); + pmc->sfmode = msf->imsf_fmode; + err = 0; + done: +diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c +index 2b45d14555926..6811174ad5189 100644 +--- a/net/ipv4/syncookies.c ++++ b/net/ipv4/syncookies.c +@@ -332,6 +332,7 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb) + + ireq = inet_rsk(req); + treq = tcp_rsk(req); ++ treq->af_specific = &tcp_request_sock_ipv4_ops; + treq->rcv_isn = ntohl(th->seq) - 1; + treq->snt_isn = cookie; + treq->ts_off = 0; +diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c +index 426d70d45eda4..72fe93ace7d73 100644 +--- a/net/ipv4/tcp_ipv4.c ++++ b/net/ipv4/tcp_ipv4.c +@@ -1383,7 +1383,7 @@ struct request_sock_ops tcp_request_sock_ops __read_mostly = { + .syn_ack_timeout = tcp_syn_ack_timeout, + }; + +-static const struct tcp_request_sock_ops tcp_request_sock_ipv4_ops = { ++const struct tcp_request_sock_ops tcp_request_sock_ipv4_ops = { + .mss_clamp = TCP_MSS_DEFAULT, + #ifdef CONFIG_TCP_MD5SIG + .req_md5_lookup = tcp_v4_md5_lookup, +diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c +index 69aef71f32ea7..92b32d131e1c3 100644 +--- a/net/ipv6/addrconf.c ++++ b/net/ipv6/addrconf.c +@@ -3715,6 +3715,7 @@ static int addrconf_ifdown(struct net_device *dev, int how) + struct inet6_dev *idev; + struct inet6_ifaddr *ifa, *tmp; + bool keep_addr = false; ++ bool was_ready; + int state, i; + + ASSERT_RTNL(); +@@ -3780,7 +3781,10 @@ restart: + + addrconf_del_rs_timer(idev); + +- /* Step 2: clear flags for stateless addrconf */ ++ /* Step 2: clear flags for stateless addrconf, repeated down ++ * detection ++ */ ++ was_ready = idev->if_flags & IF_READY; + if (!how) + idev->if_flags &= ~(IF_RS_SENT|IF_RA_RCVD|IF_READY); + +@@ -3854,7 +3858,7 @@ restart: + if (how) { + ipv6_ac_destroy_dev(idev); + ipv6_mc_destroy_dev(idev); +- } else { ++ } else if (was_ready) { + ipv6_mc_down(idev); + } + +diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c +index ec155844012b2..37ab254f7b92d 100644 +--- a/net/ipv6/syncookies.c ++++ b/net/ipv6/syncookies.c +@@ -176,6 +176,7 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb) + + ireq = inet_rsk(req); + treq = tcp_rsk(req); ++ treq->af_specific = &tcp_request_sock_ipv6_ops; + treq->tfo_listener = false; + + if (security_inet_conn_request(sk, skb, req)) +diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c +index 51c900e9bfe20..063898cae3e5c 100644 +--- a/net/ipv6/tcp_ipv6.c ++++ b/net/ipv6/tcp_ipv6.c +@@ -800,7 +800,7 @@ struct request_sock_ops tcp6_request_sock_ops __read_mostly = { + .syn_ack_timeout = tcp_syn_ack_timeout, + }; + +-static const struct tcp_request_sock_ops tcp_request_sock_ipv6_ops = { ++const struct tcp_request_sock_ops tcp_request_sock_ipv6_ops = { + .mss_clamp = IPV6_MIN_MTU - sizeof(struct tcphdr) - + sizeof(struct ipv6hdr), + #ifdef CONFIG_TCP_MD5SIG +diff --git a/net/nfc/core.c b/net/nfc/core.c +index e752692d36802..63701a980ee12 100644 +--- a/net/nfc/core.c ++++ b/net/nfc/core.c +@@ -38,7 +38,7 @@ int nfc_fw_download(struct nfc_dev *dev, const char *firmware_name) + + device_lock(&dev->dev); + +- if (!device_is_registered(&dev->dev)) { ++ if (dev->shutting_down) { + rc = -ENODEV; + goto error; + } +@@ -94,7 +94,7 @@ int nfc_dev_up(struct nfc_dev *dev) + + device_lock(&dev->dev); + +- if (!device_is_registered(&dev->dev)) { ++ if (dev->shutting_down) { + rc = -ENODEV; + goto error; + } +@@ -142,7 +142,7 @@ int nfc_dev_down(struct nfc_dev *dev) + + device_lock(&dev->dev); + +- if (!device_is_registered(&dev->dev)) { ++ if (dev->shutting_down) { + rc = -ENODEV; + goto error; + } +@@ -206,7 +206,7 @@ int nfc_start_poll(struct nfc_dev *dev, u32 im_protocols, u32 tm_protocols) + + device_lock(&dev->dev); + +- if (!device_is_registered(&dev->dev)) { ++ if (dev->shutting_down) { + rc = -ENODEV; + goto error; + } +@@ -245,7 +245,7 @@ int nfc_stop_poll(struct nfc_dev *dev) + + device_lock(&dev->dev); + +- if (!device_is_registered(&dev->dev)) { ++ if (dev->shutting_down) { + rc = -ENODEV; + goto error; + } +@@ -290,7 +290,7 @@ int nfc_dep_link_up(struct nfc_dev *dev, int target_index, u8 comm_mode) + + device_lock(&dev->dev); + +- if (!device_is_registered(&dev->dev)) { ++ if (dev->shutting_down) { + rc = -ENODEV; + goto error; + } +@@ -334,7 +334,7 @@ int nfc_dep_link_down(struct nfc_dev *dev) + + device_lock(&dev->dev); + +- if (!device_is_registered(&dev->dev)) { ++ if (dev->shutting_down) { + rc = -ENODEV; + goto error; + } +@@ -400,7 +400,7 @@ int nfc_activate_target(struct nfc_dev *dev, u32 target_idx, u32 protocol) + + device_lock(&dev->dev); + +- if (!device_is_registered(&dev->dev)) { ++ if (dev->shutting_down) { + rc = -ENODEV; + goto error; + } +@@ -446,7 +446,7 @@ int nfc_deactivate_target(struct nfc_dev *dev, u32 target_idx, u8 mode) + + device_lock(&dev->dev); + +- if (!device_is_registered(&dev->dev)) { ++ if (dev->shutting_down) { + rc = -ENODEV; + goto error; + } +@@ -493,7 +493,7 @@ int nfc_data_exchange(struct nfc_dev *dev, u32 target_idx, struct sk_buff *skb, + + device_lock(&dev->dev); + +- if (!device_is_registered(&dev->dev)) { ++ if (dev->shutting_down) { + rc = -ENODEV; + kfree_skb(skb); + goto error; +@@ -550,7 +550,7 @@ int nfc_enable_se(struct nfc_dev *dev, u32 se_idx) + + device_lock(&dev->dev); + +- if (!device_is_registered(&dev->dev)) { ++ if (dev->shutting_down) { + rc = -ENODEV; + goto error; + } +@@ -599,7 +599,7 @@ int nfc_disable_se(struct nfc_dev *dev, u32 se_idx) + + device_lock(&dev->dev); + +- if (!device_is_registered(&dev->dev)) { ++ if (dev->shutting_down) { + rc = -ENODEV; + goto error; + } +@@ -1127,6 +1127,7 @@ int nfc_register_device(struct nfc_dev *dev) + dev->rfkill = NULL; + } + } ++ dev->shutting_down = false; + device_unlock(&dev->dev); + + rc = nfc_genl_device_added(dev); +@@ -1159,12 +1160,10 @@ void nfc_unregister_device(struct nfc_dev *dev) + rfkill_unregister(dev->rfkill); + rfkill_destroy(dev->rfkill); + } ++ dev->shutting_down = true; + device_unlock(&dev->dev); + + if (dev->ops->check_presence) { +- device_lock(&dev->dev); +- dev->shutting_down = true; +- device_unlock(&dev->dev); + del_timer_sync(&dev->check_pres_timer); + cancel_work_sync(&dev->check_pres_work); + } +diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c +index 4d90cbdc083b5..9e94f732e717c 100644 +--- a/net/nfc/netlink.c ++++ b/net/nfc/netlink.c +@@ -1252,7 +1252,7 @@ int nfc_genl_fw_download_done(struct nfc_dev *dev, const char *firmware_name, + struct sk_buff *msg; + void *hdr; + +- msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); ++ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); + if (!msg) + return -ENOMEM; + +@@ -1268,7 +1268,7 @@ int nfc_genl_fw_download_done(struct nfc_dev *dev, const char *firmware_name, + + genlmsg_end(msg, hdr); + +- genlmsg_multicast(&nfc_genl_family, msg, 0, 0, GFP_KERNEL); ++ genlmsg_multicast(&nfc_genl_family, msg, 0, 0, GFP_ATOMIC); + + return 0; + +diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c +index 480e879e74ae5..43bc02dea80c8 100644 +--- a/net/sunrpc/xprtsock.c ++++ b/net/sunrpc/xprtsock.c +@@ -2963,9 +2963,6 @@ static struct rpc_xprt *xs_setup_local(struct xprt_create *args) + } + xprt_set_bound(xprt); + xs_format_peer_addresses(xprt, "local", RPCBIND_NETID_LOCAL); +- ret = ERR_PTR(xs_local_setup_socket(transport)); +- if (ret) +- goto out_err; + break; + default: + ret = ERR_PTR(-EAFNOSUPPORT); +diff --git a/sound/core/pcm.c b/sound/core/pcm.c +index f8ce961c28d6e..3561cdceaadc2 100644 +--- a/sound/core/pcm.c ++++ b/sound/core/pcm.c +@@ -969,6 +969,8 @@ int snd_pcm_attach_substream(struct snd_pcm *pcm, int stream, + init_waitqueue_head(&runtime->tsleep); + + runtime->status->state = SNDRV_PCM_STATE_OPEN; ++ mutex_init(&runtime->buffer_mutex); ++ atomic_set(&runtime->buffer_accessing, 0); + + substream->runtime = runtime; + substream->private_data = pcm->private_data; +@@ -1000,6 +1002,7 @@ void snd_pcm_detach_substream(struct snd_pcm_substream *substream) + substream->runtime = NULL; + if (substream->timer) + spin_unlock_irq(&substream->timer->lock); ++ mutex_destroy(&runtime->buffer_mutex); + kfree(runtime); + put_pid(substream->pid); + substream->pid = NULL; +diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c +index fd300c3adddec..1bce55533519d 100644 +--- a/sound/core/pcm_lib.c ++++ b/sound/core/pcm_lib.c +@@ -2211,10 +2211,15 @@ snd_pcm_sframes_t __snd_pcm_lib_xfer(struct snd_pcm_substream *substream, + err = -EINVAL; + goto _end_unlock; + } ++ if (!atomic_inc_unless_negative(&runtime->buffer_accessing)) { ++ err = -EBUSY; ++ goto _end_unlock; ++ } + snd_pcm_stream_unlock_irq(substream); + err = writer(substream, appl_ofs, data, offset, frames, + transfer); + snd_pcm_stream_lock_irq(substream); ++ atomic_dec(&runtime->buffer_accessing); + if (err < 0) + goto _end_unlock; + err = pcm_accessible_state(runtime); +diff --git a/sound/core/pcm_memory.c b/sound/core/pcm_memory.c +index 7600dcdf5fd4d..9aea1d6fb0547 100644 +--- a/sound/core/pcm_memory.c ++++ b/sound/core/pcm_memory.c +@@ -133,19 +133,20 @@ static void snd_pcm_lib_preallocate_proc_write(struct snd_info_entry *entry, + size_t size; + struct snd_dma_buffer new_dmab; + ++ mutex_lock(&substream->pcm->open_mutex); + if (substream->runtime) { + buffer->error = -EBUSY; +- return; ++ goto unlock; + } + if (!snd_info_get_line(buffer, line, sizeof(line))) { + snd_info_get_str(str, line, sizeof(str)); + size = simple_strtoul(str, NULL, 10) * 1024; + if ((size != 0 && size < 8192) || size > substream->dma_max) { + buffer->error = -EINVAL; +- return; ++ goto unlock; + } + if (substream->dma_buffer.bytes == size) +- return; ++ goto unlock; + memset(&new_dmab, 0, sizeof(new_dmab)); + new_dmab.dev = substream->dma_buffer.dev; + if (size > 0) { +@@ -153,7 +154,7 @@ static void snd_pcm_lib_preallocate_proc_write(struct snd_info_entry *entry, + substream->dma_buffer.dev.dev, + size, &new_dmab) < 0) { + buffer->error = -ENOMEM; +- return; ++ goto unlock; + } + substream->buffer_bytes_max = size; + } else { +@@ -165,6 +166,8 @@ static void snd_pcm_lib_preallocate_proc_write(struct snd_info_entry *entry, + } else { + buffer->error = -EINVAL; + } ++ unlock: ++ mutex_unlock(&substream->pcm->open_mutex); + } + + static inline void preallocate_info_init(struct snd_pcm_substream *substream) +diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c +index dbe9a65cc1d45..57a4991fa0f36 100644 +--- a/sound/core/pcm_native.c ++++ b/sound/core/pcm_native.c +@@ -630,6 +630,30 @@ static int snd_pcm_hw_params_choose(struct snd_pcm_substream *pcm, + return 0; + } + ++/* acquire buffer_mutex; if it's in r/w operation, return -EBUSY, otherwise ++ * block the further r/w operations ++ */ ++static int snd_pcm_buffer_access_lock(struct snd_pcm_runtime *runtime) ++{ ++ if (!atomic_dec_unless_positive(&runtime->buffer_accessing)) ++ return -EBUSY; ++ mutex_lock(&runtime->buffer_mutex); ++ return 0; /* keep buffer_mutex, unlocked by below */ ++} ++ ++/* release buffer_mutex and clear r/w access flag */ ++static void snd_pcm_buffer_access_unlock(struct snd_pcm_runtime *runtime) ++{ ++ mutex_unlock(&runtime->buffer_mutex); ++ atomic_inc(&runtime->buffer_accessing); ++} ++ ++#if IS_ENABLED(CONFIG_SND_PCM_OSS) ++#define is_oss_stream(substream) ((substream)->oss.oss) ++#else ++#define is_oss_stream(substream) false ++#endif ++ + static int snd_pcm_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) + { +@@ -641,22 +665,25 @@ static int snd_pcm_hw_params(struct snd_pcm_substream *substream, + if (PCM_RUNTIME_CHECK(substream)) + return -ENXIO; + runtime = substream->runtime; ++ err = snd_pcm_buffer_access_lock(runtime); ++ if (err < 0) ++ return err; + snd_pcm_stream_lock_irq(substream); + switch (runtime->status->state) { + case SNDRV_PCM_STATE_OPEN: + case SNDRV_PCM_STATE_SETUP: + case SNDRV_PCM_STATE_PREPARED: ++ if (!is_oss_stream(substream) && ++ atomic_read(&substream->mmap_count)) ++ err = -EBADFD; + break; + default: +- snd_pcm_stream_unlock_irq(substream); +- return -EBADFD; ++ err = -EBADFD; ++ break; + } + snd_pcm_stream_unlock_irq(substream); +-#if IS_ENABLED(CONFIG_SND_PCM_OSS) +- if (!substream->oss.oss) +-#endif +- if (atomic_read(&substream->mmap_count)) +- return -EBADFD; ++ if (err) ++ goto unlock; + + params->rmask = ~0U; + err = snd_pcm_hw_refine(substream, params); +@@ -733,14 +760,19 @@ static int snd_pcm_hw_params(struct snd_pcm_substream *substream, + if ((usecs = period_to_usecs(runtime)) >= 0) + pm_qos_add_request(&substream->latency_pm_qos_req, + PM_QOS_CPU_DMA_LATENCY, usecs); +- return 0; ++ err = 0; + _error: +- /* hardware might be unusable from this time, +- so we force application to retry to set +- the correct hardware parameter settings */ +- snd_pcm_set_state(substream, SNDRV_PCM_STATE_OPEN); +- if (substream->ops->hw_free != NULL) +- substream->ops->hw_free(substream); ++ if (err) { ++ /* hardware might be unusable from this time, ++ * so we force application to retry to set ++ * the correct hardware parameter settings ++ */ ++ snd_pcm_set_state(substream, SNDRV_PCM_STATE_OPEN); ++ if (substream->ops->hw_free != NULL) ++ substream->ops->hw_free(substream); ++ } ++ unlock: ++ snd_pcm_buffer_access_unlock(runtime); + return err; + } + +@@ -773,22 +805,29 @@ static int snd_pcm_hw_free(struct snd_pcm_substream *substream) + if (PCM_RUNTIME_CHECK(substream)) + return -ENXIO; + runtime = substream->runtime; ++ result = snd_pcm_buffer_access_lock(runtime); ++ if (result < 0) ++ return result; + snd_pcm_stream_lock_irq(substream); + switch (runtime->status->state) { + case SNDRV_PCM_STATE_SETUP: + case SNDRV_PCM_STATE_PREPARED: ++ if (atomic_read(&substream->mmap_count)) ++ result = -EBADFD; + break; + default: +- snd_pcm_stream_unlock_irq(substream); +- return -EBADFD; ++ result = -EBADFD; ++ break; + } + snd_pcm_stream_unlock_irq(substream); +- if (atomic_read(&substream->mmap_count)) +- return -EBADFD; ++ if (result) ++ goto unlock; + if (substream->ops->hw_free) + result = substream->ops->hw_free(substream); + snd_pcm_set_state(substream, SNDRV_PCM_STATE_OPEN); + pm_qos_remove_request(&substream->latency_pm_qos_req); ++ unlock: ++ snd_pcm_buffer_access_unlock(runtime); + return result; + } + +@@ -1025,15 +1064,17 @@ struct action_ops { + */ + static int snd_pcm_action_group(const struct action_ops *ops, + struct snd_pcm_substream *substream, +- int state, int do_lock) ++ int state, int stream_lock) + { + struct snd_pcm_substream *s = NULL; + struct snd_pcm_substream *s1; + int res = 0, depth = 1; + + snd_pcm_group_for_each_entry(s, substream) { +- if (do_lock && s != substream) { +- if (s->pcm->nonatomic) ++ if (s != substream) { ++ if (!stream_lock) ++ mutex_lock_nested(&s->runtime->buffer_mutex, depth); ++ else if (s->pcm->nonatomic) + mutex_lock_nested(&s->self_group.mutex, depth); + else + spin_lock_nested(&s->self_group.lock, depth); +@@ -1061,18 +1102,18 @@ static int snd_pcm_action_group(const struct action_ops *ops, + ops->post_action(s, state); + } + _unlock: +- if (do_lock) { +- /* unlock streams */ +- snd_pcm_group_for_each_entry(s1, substream) { +- if (s1 != substream) { +- if (s1->pcm->nonatomic) +- mutex_unlock(&s1->self_group.mutex); +- else +- spin_unlock(&s1->self_group.lock); +- } +- if (s1 == s) /* end */ +- break; ++ /* unlock streams */ ++ snd_pcm_group_for_each_entry(s1, substream) { ++ if (s1 != substream) { ++ if (!stream_lock) ++ mutex_unlock(&s1->runtime->buffer_mutex); ++ else if (s1->pcm->nonatomic) ++ mutex_unlock(&s1->self_group.mutex); ++ else ++ spin_unlock(&s1->self_group.lock); + } ++ if (s1 == s) /* end */ ++ break; + } + return res; + } +@@ -1202,10 +1243,15 @@ static int snd_pcm_action_nonatomic(const struct action_ops *ops, + + /* Guarantee the group members won't change during non-atomic action */ + down_read(&snd_pcm_link_rwsem); ++ res = snd_pcm_buffer_access_lock(substream->runtime); ++ if (res < 0) ++ goto unlock; + if (snd_pcm_stream_linked(substream)) + res = snd_pcm_action_group(ops, substream, state, 0); + else + res = snd_pcm_action_single(ops, substream, state); ++ snd_pcm_buffer_access_unlock(substream->runtime); ++ unlock: + up_read(&snd_pcm_link_rwsem); + return res; + } +diff --git a/sound/firewire/fireworks/fireworks_hwdep.c b/sound/firewire/fireworks/fireworks_hwdep.c +index e93eb4616c5f4..c739173c668f3 100644 +--- a/sound/firewire/fireworks/fireworks_hwdep.c ++++ b/sound/firewire/fireworks/fireworks_hwdep.c +@@ -34,6 +34,7 @@ hwdep_read_resp_buf(struct snd_efw *efw, char __user *buf, long remained, + type = SNDRV_FIREWIRE_EVENT_EFW_RESPONSE; + if (copy_to_user(buf, &type, sizeof(type))) + return -EFAULT; ++ count += sizeof(type); + remained -= sizeof(type); + buf += sizeof(type); + +diff --git a/sound/soc/codecs/da7219.c b/sound/soc/codecs/da7219.c +index f83a6eaba12cb..ef8bd9e046374 100644 +--- a/sound/soc/codecs/da7219.c ++++ b/sound/soc/codecs/da7219.c +@@ -446,7 +446,7 @@ static int da7219_tonegen_freq_put(struct snd_kcontrol *kcontrol, + struct soc_mixer_control *mixer_ctrl = + (struct soc_mixer_control *) kcontrol->private_value; + unsigned int reg = mixer_ctrl->reg; +- __le16 val; ++ __le16 val_new, val_old; + int ret; + + /* +@@ -454,13 +454,19 @@ static int da7219_tonegen_freq_put(struct snd_kcontrol *kcontrol, + * Therefore we need to convert to little endian here to align with + * HW registers. + */ +- val = cpu_to_le16(ucontrol->value.integer.value[0]); ++ val_new = cpu_to_le16(ucontrol->value.integer.value[0]); + + mutex_lock(&da7219->ctrl_lock); +- ret = regmap_raw_write(da7219->regmap, reg, &val, sizeof(val)); ++ ret = regmap_raw_read(da7219->regmap, reg, &val_old, sizeof(val_old)); ++ if (ret == 0 && (val_old != val_new)) ++ ret = regmap_raw_write(da7219->regmap, reg, ++ &val_new, sizeof(val_new)); + mutex_unlock(&da7219->ctrl_lock); + +- return ret; ++ if (ret < 0) ++ return ret; ++ ++ return val_old != val_new; + } + + +diff --git a/sound/soc/codecs/wm8958-dsp2.c b/sound/soc/codecs/wm8958-dsp2.c +index 04f23477039a5..c677c068b05ec 100644 +--- a/sound/soc/codecs/wm8958-dsp2.c ++++ b/sound/soc/codecs/wm8958-dsp2.c +@@ -534,7 +534,7 @@ static int wm8958_mbc_put(struct snd_kcontrol *kcontrol, + + wm8958_dsp_apply(component, mbc, wm8994->mbc_ena[mbc]); + +- return 0; ++ return 1; + } + + #define WM8958_MBC_SWITCH(xname, xval) {\ +@@ -660,7 +660,7 @@ static int wm8958_vss_put(struct snd_kcontrol *kcontrol, + + wm8958_dsp_apply(component, vss, wm8994->vss_ena[vss]); + +- return 0; ++ return 1; + } + + +@@ -734,7 +734,7 @@ static int wm8958_hpf_put(struct snd_kcontrol *kcontrol, + + wm8958_dsp_apply(component, hpf % 3, ucontrol->value.integer.value[0]); + +- return 0; ++ return 1; + } + + #define WM8958_HPF_SWITCH(xname, xval) {\ +@@ -828,7 +828,7 @@ static int wm8958_enh_eq_put(struct snd_kcontrol *kcontrol, + + wm8958_dsp_apply(component, eq, ucontrol->value.integer.value[0]); + +- return 0; ++ return 1; + } + + #define WM8958_ENH_EQ_SWITCH(xname, xval) {\ +diff --git a/sound/soc/meson/g12a-tohdmitx.c b/sound/soc/meson/g12a-tohdmitx.c +index 9cfbd343a00c8..cbe47e0cae426 100644 +--- a/sound/soc/meson/g12a-tohdmitx.c ++++ b/sound/soc/meson/g12a-tohdmitx.c +@@ -127,7 +127,7 @@ static int g12a_tohdmitx_i2s_mux_put_enum(struct snd_kcontrol *kcontrol, + + snd_soc_dapm_mux_update_power(dapm, kcontrol, mux, e, NULL); + +- return 0; ++ return 1; + } + + static const struct snd_kcontrol_new g12a_tohdmitx_i2s_mux = +diff --git a/sound/soc/soc-generic-dmaengine-pcm.c b/sound/soc/soc-generic-dmaengine-pcm.c +index ca4b17bd95d14..5552c66ca6422 100644 +--- a/sound/soc/soc-generic-dmaengine-pcm.c ++++ b/sound/soc/soc-generic-dmaengine-pcm.c +@@ -91,10 +91,10 @@ static int dmaengine_pcm_hw_params(struct snd_pcm_substream *substream, + + memset(&slave_config, 0, sizeof(slave_config)); + +- if (pcm->config && pcm->config->prepare_slave_config) +- prepare_slave_config = pcm->config->prepare_slave_config; +- else ++ if (!pcm->config) + prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config; ++ else ++ prepare_slave_config = pcm->config->prepare_slave_config; + + if (prepare_slave_config) { + ret = prepare_slave_config(substream, params, &slave_config); +diff --git a/tools/testing/selftests/net/forwarding/mirror_gre_bridge_1q.sh b/tools/testing/selftests/net/forwarding/mirror_gre_bridge_1q.sh +index a3402cd8d5b68..9ff22f28032dd 100755 +--- a/tools/testing/selftests/net/forwarding/mirror_gre_bridge_1q.sh ++++ b/tools/testing/selftests/net/forwarding/mirror_gre_bridge_1q.sh +@@ -61,9 +61,12 @@ setup_prepare() + + vrf_prepare + mirror_gre_topo_create ++ # Avoid changing br1's PVID while it is operational as a L3 interface. ++ ip link set dev br1 down + + ip link set dev $swp3 master br1 + bridge vlan add dev br1 vid 555 pvid untagged self ++ ip link set dev br1 up + ip address add dev br1 192.0.2.129/28 + ip address add dev br1 2001:db8:2::1/64 + |