diff options
| -rw-r--r-- | 0000_README | 4 | ||||
| -rw-r--r-- | 1099_linux-5.15.100.patch | 5744 |
2 files changed, 5748 insertions, 0 deletions
diff --git a/0000_README b/0000_README index 9d3e3388..34bd5f9c 100644 --- a/0000_README +++ b/0000_README @@ -439,6 +439,10 @@ Patch: 1098_linux-5.15.99.patch From: https://www.kernel.org Desc: Linux 5.15.99 +Patch: 1099_linux-5.15.100.patch +From: https://www.kernel.org +Desc: Linux 5.15.100 + 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/1099_linux-5.15.100.patch b/1099_linux-5.15.100.patch new file mode 100644 index 00000000..f50c43a6 --- /dev/null +++ b/1099_linux-5.15.100.patch @@ -0,0 +1,5744 @@ +diff --git a/Documentation/ABI/testing/configfs-usb-gadget-uvc b/Documentation/ABI/testing/configfs-usb-gadget-uvc +index 889ed45be4ca6..2d5a5913b5f28 100644 +--- a/Documentation/ABI/testing/configfs-usb-gadget-uvc ++++ b/Documentation/ABI/testing/configfs-usb-gadget-uvc +@@ -51,7 +51,7 @@ Date: Dec 2014 + KernelVersion: 4.0 + Description: Default output terminal descriptors + +- All attributes read only: ++ All attributes read only except bSourceID: + + ============== ============================================= + iTerminal index of string descriptor +diff --git a/Makefile b/Makefile +index 08e73aba22ea5..ef2defa6bce23 100644 +--- a/Makefile ++++ b/Makefile +@@ -1,7 +1,7 @@ + # SPDX-License-Identifier: GPL-2.0 + VERSION = 5 + PATCHLEVEL = 15 +-SUBLEVEL = 99 ++SUBLEVEL = 100 + EXTRAVERSION = + NAME = Trick or Treat + +diff --git a/arch/alpha/kernel/irq.c b/arch/alpha/kernel/irq.c +index f6d2946edbd24..15f2effd6baf8 100644 +--- a/arch/alpha/kernel/irq.c ++++ b/arch/alpha/kernel/irq.c +@@ -60,7 +60,7 @@ int irq_select_affinity(unsigned int irq) + cpu = (cpu < (NR_CPUS-1) ? cpu + 1 : 0); + last_cpu = cpu; + +- cpumask_copy(irq_data_get_affinity_mask(data), cpumask_of(cpu)); ++ irq_data_update_affinity(data, cpumask_of(cpu)); + chip->irq_set_affinity(data, cpumask_of(cpu), false); + return 0; + } +diff --git a/arch/arm/boot/dts/spear320-hmi.dts b/arch/arm/boot/dts/spear320-hmi.dts +index 367ba48aac3e5..5c562fb4886f4 100644 +--- a/arch/arm/boot/dts/spear320-hmi.dts ++++ b/arch/arm/boot/dts/spear320-hmi.dts +@@ -242,7 +242,7 @@ + irq-trigger = <0x1>; + + stmpegpio: stmpe-gpio { +- compatible = "stmpe,gpio"; ++ compatible = "st,stmpe-gpio"; + reg = <0>; + gpio-controller; + #gpio-cells = <2>; +diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c +index 35adcf89035ad..99300850abc19 100644 +--- a/arch/ia64/kernel/iosapic.c ++++ b/arch/ia64/kernel/iosapic.c +@@ -834,7 +834,7 @@ iosapic_unregister_intr (unsigned int gsi) + if (iosapic_intr_info[irq].count == 0) { + #ifdef CONFIG_SMP + /* Clear affinity */ +- cpumask_setall(irq_get_affinity_mask(irq)); ++ irq_data_update_affinity(irq_get_irq_data(irq), cpu_all_mask); + #endif + /* Clear the interrupt information */ + iosapic_intr_info[irq].dest = 0; +diff --git a/arch/ia64/kernel/irq.c b/arch/ia64/kernel/irq.c +index ecef17c7c35b1..275b9ea58c643 100644 +--- a/arch/ia64/kernel/irq.c ++++ b/arch/ia64/kernel/irq.c +@@ -57,8 +57,8 @@ static char irq_redir [NR_IRQS]; // = { [0 ... NR_IRQS-1] = 1 }; + void set_irq_affinity_info (unsigned int irq, int hwid, int redir) + { + if (irq < NR_IRQS) { +- cpumask_copy(irq_get_affinity_mask(irq), +- cpumask_of(cpu_logical_id(hwid))); ++ irq_data_update_affinity(irq_get_irq_data(irq), ++ cpumask_of(cpu_logical_id(hwid))); + irq_redir[irq] = (char) (redir & 0xff); + } + } +diff --git a/arch/ia64/kernel/msi_ia64.c b/arch/ia64/kernel/msi_ia64.c +index df5c28f252e3d..025e5133c860c 100644 +--- a/arch/ia64/kernel/msi_ia64.c ++++ b/arch/ia64/kernel/msi_ia64.c +@@ -37,7 +37,7 @@ static int ia64_set_msi_irq_affinity(struct irq_data *idata, + msg.data = data; + + pci_write_msi_msg(irq, &msg); +- cpumask_copy(irq_data_get_affinity_mask(idata), cpumask_of(cpu)); ++ irq_data_update_affinity(idata, cpumask_of(cpu)); + + return 0; + } +@@ -132,7 +132,7 @@ static int dmar_msi_set_affinity(struct irq_data *data, + msg.address_lo |= MSI_ADDR_DEST_ID_CPU(cpu_physical_id(cpu)); + + dmar_msi_write(irq, &msg); +- cpumask_copy(irq_data_get_affinity_mask(data), mask); ++ irq_data_update_affinity(data, mask); + + return 0; + } +diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c +index 0d46b19dc4d3d..e6cc38ef69458 100644 +--- a/arch/parisc/kernel/irq.c ++++ b/arch/parisc/kernel/irq.c +@@ -333,7 +333,7 @@ unsigned long txn_affinity_addr(unsigned int irq, int cpu) + { + #ifdef CONFIG_SMP + struct irq_data *d = irq_get_irq_data(irq); +- cpumask_copy(irq_data_get_affinity_mask(d), cpumask_of(cpu)); ++ irq_data_update_affinity(d, cpumask_of(cpu)); + #endif + + return per_cpu(cpu_data, cpu).txn_addr; +diff --git a/arch/um/drivers/vector_kern.c b/arch/um/drivers/vector_kern.c +index cde6db184c26b..45a4bcd27a39b 100644 +--- a/arch/um/drivers/vector_kern.c ++++ b/arch/um/drivers/vector_kern.c +@@ -770,6 +770,7 @@ static int vector_config(char *str, char **error_out) + + if (parsed == NULL) { + *error_out = "vector_config failed to parse parameters"; ++ kfree(params); + return -EINVAL; + } + +diff --git a/arch/um/drivers/virt-pci.c b/arch/um/drivers/virt-pci.c +index 0ab58016db22f..d762d726b66cf 100644 +--- a/arch/um/drivers/virt-pci.c ++++ b/arch/um/drivers/virt-pci.c +@@ -131,8 +131,11 @@ static int um_pci_send_cmd(struct um_pci_device *dev, + out ? 1 : 0, + posted ? cmd : HANDLE_NO_FREE(cmd), + GFP_ATOMIC); +- if (ret) ++ if (ret) { ++ if (posted) ++ kfree(cmd); + goto out; ++ } + + if (posted) { + virtqueue_kick(dev->cmd_vq); +@@ -615,22 +618,33 @@ static void um_pci_virtio_remove(struct virtio_device *vdev) + struct um_pci_device *dev = vdev->priv; + int i; + +- /* Stop all virtqueues */ +- vdev->config->reset(vdev); +- vdev->config->del_vqs(vdev); +- + device_set_wakeup_enable(&vdev->dev, false); + + mutex_lock(&um_pci_mtx); + for (i = 0; i < MAX_DEVICES; i++) { + if (um_pci_devices[i].dev != dev) + continue; ++ + um_pci_devices[i].dev = NULL; + irq_free_desc(dev->irq); ++ ++ break; + } + mutex_unlock(&um_pci_mtx); + +- um_pci_rescan(); ++ if (i < MAX_DEVICES) { ++ struct pci_dev *pci_dev; ++ ++ pci_dev = pci_get_slot(bridge->bus, i); ++ if (pci_dev) ++ pci_stop_and_remove_bus_device_locked(pci_dev); ++ } ++ ++ /* Stop all virtqueues */ ++ virtio_reset_device(vdev); ++ dev->cmd_vq = NULL; ++ dev->irq_vq = NULL; ++ vdev->config->del_vqs(vdev); + + kfree(dev); + } +diff --git a/arch/um/drivers/virtio_uml.c b/arch/um/drivers/virtio_uml.c +index 82ff3785bf69f..204e9dfbff1a0 100644 +--- a/arch/um/drivers/virtio_uml.c ++++ b/arch/um/drivers/virtio_uml.c +@@ -168,7 +168,8 @@ static void vhost_user_check_reset(struct virtio_uml_device *vu_dev, + if (!vu_dev->registered) + return; + +- virtio_break_device(&vu_dev->vdev); ++ vu_dev->registered = 0; ++ + schedule_work(&pdata->conn_broken_wk); + } + +@@ -1132,6 +1133,15 @@ void virtio_uml_set_no_vq_suspend(struct virtio_device *vdev, + + static void vu_of_conn_broken(struct work_struct *wk) + { ++ struct virtio_uml_platform_data *pdata; ++ struct virtio_uml_device *vu_dev; ++ ++ pdata = container_of(wk, struct virtio_uml_platform_data, conn_broken_wk); ++ ++ vu_dev = platform_get_drvdata(pdata->pdev); ++ ++ virtio_break_device(&vu_dev->vdev); ++ + /* + * We can't remove the device from the devicetree so the only thing we + * can do is warn. +@@ -1262,8 +1272,14 @@ static int vu_unregister_cmdline_device(struct device *dev, void *data) + static void vu_conn_broken(struct work_struct *wk) + { + struct virtio_uml_platform_data *pdata; ++ struct virtio_uml_device *vu_dev; + + pdata = container_of(wk, struct virtio_uml_platform_data, conn_broken_wk); ++ ++ vu_dev = platform_get_drvdata(pdata->pdev); ++ ++ virtio_break_device(&vu_dev->vdev); ++ + vu_unregister_cmdline_device(&pdata->pdev->dev, NULL); + } + +diff --git a/arch/x86/include/asm/resctrl.h b/arch/x86/include/asm/resctrl.h +index d60ed0668a593..b9ccdf5ea98ba 100644 +--- a/arch/x86/include/asm/resctrl.h ++++ b/arch/x86/include/asm/resctrl.h +@@ -51,7 +51,7 @@ DECLARE_STATIC_KEY_FALSE(rdt_mon_enable_key); + * simple as possible. + * Must be called with preemption disabled. + */ +-static void __resctrl_sched_in(void) ++static inline void __resctrl_sched_in(struct task_struct *tsk) + { + struct resctrl_pqr_state *state = this_cpu_ptr(&pqr_state); + u32 closid = state->default_closid; +@@ -63,13 +63,13 @@ static void __resctrl_sched_in(void) + * Else use the closid/rmid assigned to this cpu. + */ + if (static_branch_likely(&rdt_alloc_enable_key)) { +- tmp = READ_ONCE(current->closid); ++ tmp = READ_ONCE(tsk->closid); + if (tmp) + closid = tmp; + } + + if (static_branch_likely(&rdt_mon_enable_key)) { +- tmp = READ_ONCE(current->rmid); ++ tmp = READ_ONCE(tsk->rmid); + if (tmp) + rmid = tmp; + } +@@ -81,17 +81,17 @@ static void __resctrl_sched_in(void) + } + } + +-static inline void resctrl_sched_in(void) ++static inline void resctrl_sched_in(struct task_struct *tsk) + { + if (static_branch_likely(&rdt_enable_key)) +- __resctrl_sched_in(); ++ __resctrl_sched_in(tsk); + } + + void resctrl_cpu_detect(struct cpuinfo_x86 *c); + + #else + +-static inline void resctrl_sched_in(void) {} ++static inline void resctrl_sched_in(struct task_struct *tsk) {} + static inline void resctrl_cpu_detect(struct cpuinfo_x86 *c) {} + + #endif /* CONFIG_X86_CPU_RESCTRL */ +diff --git a/arch/x86/kernel/cpu/resctrl/rdtgroup.c b/arch/x86/kernel/cpu/resctrl/rdtgroup.c +index 4f5d79e658cd3..88545a1f5207a 100644 +--- a/arch/x86/kernel/cpu/resctrl/rdtgroup.c ++++ b/arch/x86/kernel/cpu/resctrl/rdtgroup.c +@@ -314,7 +314,7 @@ static void update_cpu_closid_rmid(void *info) + * executing task might have its own closid selected. Just reuse + * the context switch code. + */ +- resctrl_sched_in(); ++ resctrl_sched_in(current); + } + + /* +@@ -535,7 +535,7 @@ static void _update_task_closid_rmid(void *task) + * Otherwise, the MSR is updated when the task is scheduled in. + */ + if (task == current) +- resctrl_sched_in(); ++ resctrl_sched_in(task); + } + + static void update_task_closid_rmid(struct task_struct *t) +diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c +index 4f2f54e1281c3..d4a130337e931 100644 +--- a/arch/x86/kernel/process_32.c ++++ b/arch/x86/kernel/process_32.c +@@ -216,7 +216,7 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p) + switch_fpu_finish(next_fpu); + + /* Load the Intel cache allocation PQR MSR. */ +- resctrl_sched_in(); ++ resctrl_sched_in(next_p); + + return prev_p; + } +diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c +index ec0d836a13b12..b8fe38cd121df 100644 +--- a/arch/x86/kernel/process_64.c ++++ b/arch/x86/kernel/process_64.c +@@ -656,7 +656,7 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p) + } + + /* Load the Intel cache allocation PQR MSR. */ +- resctrl_sched_in(); ++ resctrl_sched_in(next_p); + + return prev_p; + } +diff --git a/arch/x86/um/vdso/um_vdso.c b/arch/x86/um/vdso/um_vdso.c +index 2112b8d146688..ff0f3b4b6c45e 100644 +--- a/arch/x86/um/vdso/um_vdso.c ++++ b/arch/x86/um/vdso/um_vdso.c +@@ -17,8 +17,10 @@ int __vdso_clock_gettime(clockid_t clock, struct __kernel_old_timespec *ts) + { + long ret; + +- asm("syscall" : "=a" (ret) : +- "0" (__NR_clock_gettime), "D" (clock), "S" (ts) : "memory"); ++ asm("syscall" ++ : "=a" (ret) ++ : "0" (__NR_clock_gettime), "D" (clock), "S" (ts) ++ : "rcx", "r11", "memory"); + + return ret; + } +@@ -29,8 +31,10 @@ int __vdso_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz) + { + long ret; + +- asm("syscall" : "=a" (ret) : +- "0" (__NR_gettimeofday), "D" (tv), "S" (tz) : "memory"); ++ asm("syscall" ++ : "=a" (ret) ++ : "0" (__NR_gettimeofday), "D" (tv), "S" (tz) ++ : "rcx", "r11", "memory"); + + return ret; + } +diff --git a/drivers/auxdisplay/hd44780.c b/drivers/auxdisplay/hd44780.c +index 8b2a0eb3f32a4..d56a5d508ccd7 100644 +--- a/drivers/auxdisplay/hd44780.c ++++ b/drivers/auxdisplay/hd44780.c +@@ -322,8 +322,10 @@ fail1: + static int hd44780_remove(struct platform_device *pdev) + { + struct charlcd *lcd = platform_get_drvdata(pdev); ++ struct hd44780_common *hdc = lcd->drvdata; + + charlcd_unregister(lcd); ++ kfree(hdc->hd44780); + kfree(lcd->drvdata); + + kfree(lcd); +diff --git a/drivers/base/component.c b/drivers/base/component.c +index 870485cbbb87c..058f1a2cb2a9a 100644 +--- a/drivers/base/component.c ++++ b/drivers/base/component.c +@@ -130,7 +130,7 @@ static void component_master_debugfs_add(struct master *m) + + static void component_master_debugfs_del(struct master *m) + { +- debugfs_remove(debugfs_lookup(dev_name(m->parent), component_debugfs_dir)); ++ debugfs_lookup_and_remove(dev_name(m->parent), component_debugfs_dir); + } + + #else +diff --git a/drivers/base/dd.c b/drivers/base/dd.c +index 060348125635b..9cbf086fe5524 100644 +--- a/drivers/base/dd.c ++++ b/drivers/base/dd.c +@@ -352,7 +352,7 @@ late_initcall(deferred_probe_initcall); + + static void __exit deferred_probe_exit(void) + { +- debugfs_remove_recursive(debugfs_lookup("devices_deferred", NULL)); ++ debugfs_lookup_and_remove("devices_deferred", NULL); + } + __exitcall(deferred_probe_exit); + +diff --git a/drivers/block/loop.c b/drivers/block/loop.c +index 68a0c0fe64dd8..58a38e61de535 100644 +--- a/drivers/block/loop.c ++++ b/drivers/block/loop.c +@@ -1152,13 +1152,13 @@ loop_set_status_from_info(struct loop_device *lo, + if (err) + return err; + ++ /* Avoid assigning overflow values */ ++ if (info->lo_offset > LLONG_MAX || info->lo_sizelimit > LLONG_MAX) ++ return -EOVERFLOW; ++ + lo->lo_offset = info->lo_offset; + lo->lo_sizelimit = info->lo_sizelimit; + +- /* loff_t vars have been assigned __u64 */ +- if (lo->lo_offset < 0 || lo->lo_sizelimit < 0) +- return -EOVERFLOW; +- + memcpy(lo->lo_file_name, info->lo_file_name, LO_NAME_SIZE); + memcpy(lo->lo_crypt_name, info->lo_crypt_name, LO_NAME_SIZE); + lo->lo_file_name[LO_NAME_SIZE-1] = 0; +diff --git a/drivers/firmware/efi/sysfb_efi.c b/drivers/firmware/efi/sysfb_efi.c +index 4c7c9dd7733f9..6aa2bb5bbd5e4 100644 +--- a/drivers/firmware/efi/sysfb_efi.c ++++ b/drivers/firmware/efi/sysfb_efi.c +@@ -266,6 +266,14 @@ static const struct dmi_system_id efifb_dmi_swap_width_height[] __initconst = { + "Lenovo ideapad D330-10IGM"), + }, + }, ++ { ++ /* Lenovo IdeaPad Duet 3 10IGL5 with 1200x1920 portrait screen */ ++ .matches = { ++ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"), ++ DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, ++ "IdeaPad Duet 3 10IGL5"), ++ }, ++ }, + {}, + }; + +diff --git a/drivers/gpu/drm/arm/malidp_planes.c b/drivers/gpu/drm/arm/malidp_planes.c +index 8c2ab3d653b70..f67c816050f22 100644 +--- a/drivers/gpu/drm/arm/malidp_planes.c ++++ b/drivers/gpu/drm/arm/malidp_planes.c +@@ -348,7 +348,7 @@ static bool malidp_check_pages_threshold(struct malidp_plane_state *ms, + else + sgt = obj->funcs->get_sg_table(obj); + +- if (!sgt) ++ if (IS_ERR(sgt)) + return false; + + sgl = sgt->sgl; +diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c +index 0d915fe8b6e43..d02e323a4ecde 100644 +--- a/drivers/gpu/drm/drm_dp_mst_topology.c ++++ b/drivers/gpu/drm/drm_dp_mst_topology.c +@@ -3781,6 +3781,9 @@ int drm_dp_mst_topology_mgr_set_mst(struct drm_dp_mst_topology_mgr *mgr, bool ms + set_bit(0, &mgr->payload_mask); + mgr->vcpi_mask = 0; + mgr->payload_id_table_cleared = false; ++ ++ memset(&mgr->down_rep_recv, 0, sizeof(mgr->down_rep_recv)); ++ memset(&mgr->up_req_recv, 0, sizeof(mgr->up_req_recv)); + } + + out_unlock: +@@ -3994,7 +3997,7 @@ static int drm_dp_mst_handle_down_rep(struct drm_dp_mst_topology_mgr *mgr) + struct drm_dp_sideband_msg_rx *msg = &mgr->down_rep_recv; + + if (!drm_dp_get_one_sb_msg(mgr, false, &mstb)) +- goto out; ++ goto out_clear_reply; + + /* Multi-packet message transmission, don't clear the reply */ + if (!msg->have_eomt) +diff --git a/drivers/gpu/drm/virtio/virtgpu_object.c b/drivers/gpu/drm/virtio/virtgpu_object.c +index 7e75fb0fc7bd0..25d399b00404c 100644 +--- a/drivers/gpu/drm/virtio/virtgpu_object.c ++++ b/drivers/gpu/drm/virtio/virtgpu_object.c +@@ -169,8 +169,9 @@ static int virtio_gpu_object_shmem_init(struct virtio_gpu_device *vgdev, + shmem->pages = drm_gem_shmem_get_sg_table(&bo->base); + if (IS_ERR(shmem->pages)) { + drm_gem_shmem_unpin(&bo->base); ++ ret = PTR_ERR(shmem->pages); + shmem->pages = NULL; +- return PTR_ERR(shmem->pages); ++ return ret; + } + + if (use_dma_api) { +diff --git a/drivers/iio/accel/mma9551_core.c b/drivers/iio/accel/mma9551_core.c +index fbf2e2c45678b..9023c07bb57b4 100644 +--- a/drivers/iio/accel/mma9551_core.c ++++ b/drivers/iio/accel/mma9551_core.c +@@ -296,9 +296,12 @@ int mma9551_read_config_word(struct i2c_client *client, u8 app_id, + + ret = mma9551_transfer(client, app_id, MMA9551_CMD_READ_CONFIG, + reg, NULL, 0, (u8 *)&v, 2); ++ if (ret < 0) ++ return ret; ++ + *val = be16_to_cpu(v); + +- return ret; ++ return 0; + } + EXPORT_SYMBOL(mma9551_read_config_word); + +@@ -354,9 +357,12 @@ int mma9551_read_status_word(struct i2c_client *client, u8 app_id, + + ret = mma9551_transfer(client, app_id, MMA9551_CMD_READ_STATUS, + reg, NULL, 0, (u8 *)&v, 2); ++ if (ret < 0) ++ return ret; ++ + *val = be16_to_cpu(v); + +- return ret; ++ return 0; + } + EXPORT_SYMBOL(mma9551_read_status_word); + +diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c +index b0d587254fe66..689921dc3d4a8 100644 +--- a/drivers/infiniband/hw/hfi1/chip.c ++++ b/drivers/infiniband/hw/hfi1/chip.c +@@ -1055,7 +1055,7 @@ static void read_link_down_reason(struct hfi1_devdata *dd, u8 *ldr); + static void handle_temp_err(struct hfi1_devdata *dd); + static void dc_shutdown(struct hfi1_devdata *dd); + static void dc_start(struct hfi1_devdata *dd); +-static int qos_rmt_entries(struct hfi1_devdata *dd, unsigned int *mp, ++static int qos_rmt_entries(unsigned int n_krcv_queues, unsigned int *mp, + unsigned int *np); + static void clear_full_mgmt_pkey(struct hfi1_pportdata *ppd); + static int wait_link_transfer_active(struct hfi1_devdata *dd, int wait_ms); +@@ -13361,7 +13361,6 @@ static int set_up_context_variables(struct hfi1_devdata *dd) + int ret; + unsigned ngroups; + int rmt_count; +- int user_rmt_reduced; + u32 n_usr_ctxts; + u32 send_contexts = chip_send_contexts(dd); + u32 rcv_contexts = chip_rcv_contexts(dd); +@@ -13420,28 +13419,34 @@ static int set_up_context_variables(struct hfi1_devdata *dd) + (num_kernel_contexts + n_usr_ctxts), + &node_affinity.real_cpu_mask); + /* +- * The RMT entries are currently allocated as shown below: +- * 1. QOS (0 to 128 entries); +- * 2. FECN (num_kernel_context - 1 + num_user_contexts + +- * num_netdev_contexts); +- * 3. netdev (num_netdev_contexts). +- * It should be noted that FECN oversubscribe num_netdev_contexts +- * entries of RMT because both netdev and PSM could allocate any receive +- * context between dd->first_dyn_alloc_text and dd->num_rcv_contexts, +- * and PSM FECN must reserve an RMT entry for each possible PSM receive +- * context. ++ * RMT entries are allocated as follows: ++ * 1. QOS (0 to 128 entries) ++ * 2. FECN (num_kernel_context - 1 [a] + num_user_contexts + ++ * num_netdev_contexts [b]) ++ * 3. netdev (NUM_NETDEV_MAP_ENTRIES) ++ * ++ * Notes: ++ * [a] Kernel contexts (except control) are included in FECN if kernel ++ * TID_RDMA is active. ++ * [b] Netdev and user contexts are randomly allocated from the same ++ * context pool, so FECN must cover all contexts in the pool. + */ +- rmt_count = qos_rmt_entries(dd, NULL, NULL) + (num_netdev_contexts * 2); +- if (HFI1_CAP_IS_KSET(TID_RDMA)) +- rmt_count += num_kernel_contexts - 1; +- if (rmt_count + n_usr_ctxts > NUM_MAP_ENTRIES) { +- user_rmt_reduced = NUM_MAP_ENTRIES - rmt_count; +- dd_dev_err(dd, +- "RMT size is reducing the number of user receive contexts from %u to %d\n", +- n_usr_ctxts, +- user_rmt_reduced); +- /* recalculate */ +- n_usr_ctxts = user_rmt_reduced; ++ rmt_count = qos_rmt_entries(num_kernel_contexts - 1, NULL, NULL) ++ + (HFI1_CAP_IS_KSET(TID_RDMA) ? num_kernel_contexts - 1 ++ : 0) ++ + n_usr_ctxts ++ + num_netdev_contexts ++ + NUM_NETDEV_MAP_ENTRIES; ++ if (rmt_count > NUM_MAP_ENTRIES) { ++ int over = rmt_count - NUM_MAP_ENTRIES; ++ /* try to squish user contexts, minimum of 1 */ ++ if (over >= n_usr_ctxts) { ++ dd_dev_err(dd, "RMT overflow: reduce the requested number of contexts\n"); ++ return -EINVAL; ++ } ++ dd_dev_err(dd, "RMT overflow: reducing # user contexts from %u to %u\n", ++ n_usr_ctxts, n_usr_ctxts - over); ++ n_usr_ctxts -= over; + } + + /* the first N are kernel contexts, the rest are user/netdev contexts */ +@@ -14298,15 +14303,15 @@ static void clear_rsm_rule(struct hfi1_devdata *dd, u8 rule_index) + } + + /* return the number of RSM map table entries that will be used for QOS */ +-static int qos_rmt_entries(struct hfi1_devdata *dd, unsigned int *mp, ++static int qos_rmt_entries(unsigned int n_krcv_queues, unsigned int *mp, + unsigned int *np) + { + int i; + unsigned int m, n; +- u8 max_by_vl = 0; ++ uint max_by_vl = 0; + + /* is QOS active at all? */ +- if (dd->n_krcv_queues <= MIN_KERNEL_KCTXTS || ++ if (n_krcv_queues < MIN_KERNEL_KCTXTS || + num_vls == 1 || + krcvqsset <= 1) + goto no_qos; +@@ -14364,7 +14369,7 @@ static void init_qos(struct hfi1_devdata *dd, struct rsm_map_table *rmt) + + if (!rmt) + goto bail; +- rmt_entries = qos_rmt_entries(dd, &m, &n); ++ rmt_entries = qos_rmt_entries(dd->n_krcv_queues - 1, &m, &n); + if (rmt_entries == 0) + goto bail; + qpns_per_vl = 1 << m; +diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c +index 7154fb551ddc9..5ceaaabb4f9da 100644 +--- a/drivers/iommu/amd/iommu.c ++++ b/drivers/iommu/amd/iommu.c +@@ -1586,27 +1586,29 @@ static int pdev_iommuv2_enable(struct pci_dev *pdev) + /* Only allow access to user-accessible pages */ + ret = pci_enable_pasid(pdev, 0); + if (ret) +- goto out_err; ++ return ret; + + /* First reset the PRI state of the device */ + ret = pci_reset_pri(pdev); + if (ret) +- goto out_err; ++ goto out_err_pasid; + + /* Enable PRI */ + /* FIXME: Hardcode number of outstanding requests for now */ + ret = pci_enable_pri(pdev, 32); + if (ret) +- goto out_err; ++ goto out_err_pasid; + + ret = pci_enable_ats(pdev, PAGE_SHIFT); + if (ret) +- goto out_err; ++ goto out_err_pri; + + return 0; + +-out_err: ++out_err_pri: + pci_disable_pri(pdev); ++ ++out_err_pasid: + pci_disable_pasid(pdev); + + return ret; +diff --git a/drivers/irqchip/irq-bcm6345-l1.c b/drivers/irqchip/irq-bcm6345-l1.c +index 1bd0621c4ce2a..ebc3a253f735d 100644 +--- a/drivers/irqchip/irq-bcm6345-l1.c ++++ b/drivers/irqchip/irq-bcm6345-l1.c +@@ -220,11 +220,11 @@ static int bcm6345_l1_set_affinity(struct irq_data *d, + enabled = intc->cpus[old_cpu]->enable_cache[word] & mask; + if (enabled) + __bcm6345_l1_mask(d); +- cpumask_copy(irq_data_get_affinity_mask(d), dest); ++ irq_data_update_affinity(d, dest); + if (enabled) + __bcm6345_l1_unmask(d); + } else { +- cpumask_copy(irq_data_get_affinity_mask(d), dest); ++ irq_data_update_affinity(d, dest); + } + raw_spin_unlock_irqrestore(&intc->lock, flags); + +diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c +index 4b3a44264b2ce..05335866e6d62 100644 +--- a/drivers/media/usb/uvc/uvc_ctrl.c ++++ b/drivers/media/usb/uvc/uvc_ctrl.c +@@ -6,6 +6,7 @@ + * Laurent Pinchart (laurent.pinchart@ideasonboard.com) + */ + ++#include <asm/barrier.h> + #include <linux/kernel.h> + #include <linux/list.h> + #include <linux/module.h> +@@ -1459,6 +1460,10 @@ static void uvc_ctrl_status_event_work(struct work_struct *work) + + uvc_ctrl_status_event(w->chain, w->ctrl, w->data); + ++ /* The barrier is needed to synchronize with uvc_status_stop(). */ ++ if (smp_load_acquire(&dev->flush_status)) ++ return; ++ + /* Resubmit the URB. */ + w->urb->interval = dev->int_ep->desc.bInterval; + ret = usb_submit_urb(w->urb, GFP_KERNEL); +diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c +index ceae2eabc0a1c..2e7df1de0af9a 100644 +--- a/drivers/media/usb/uvc/uvc_driver.c ++++ b/drivers/media/usb/uvc/uvc_driver.c +@@ -531,14 +531,10 @@ static int uvc_parse_format(struct uvc_device *dev, + fmtdesc = uvc_format_by_guid(&buffer[5]); + + if (fmtdesc != NULL) { +- strscpy(format->name, fmtdesc->name, +- sizeof(format->name)); + format->fcc = fmtdesc->fcc; + } else { + dev_info(&streaming->intf->dev, + "Unknown video format %pUl\n", &buffer[5]); +- snprintf(format->name, sizeof(format->name), "%pUl\n", +- &buffer[5]); + format->fcc = 0; + } + +@@ -549,8 +545,6 @@ static int uvc_parse_format(struct uvc_device *dev, + */ + if (dev->quirks & UVC_QUIRK_FORCE_Y8) { + if (format->fcc == V4L2_PIX_FMT_YUYV) { +- strscpy(format->name, "Greyscale 8-bit (Y8 )", +- sizeof(format->name)); + format->fcc = V4L2_PIX_FMT_GREY; + format->bpp = 8; + width_multiplier = 2; +@@ -591,7 +585,6 @@ static int uvc_parse_format(struct uvc_device *dev, + return -EINVAL; + } + +- strscpy(format->name, "MJPEG", sizeof(format->name)); + format->fcc = V4L2_PIX_FMT_MJPEG; + format->flags = UVC_FMT_FLAG_COMPRESSED; + format->bpp = 0; +@@ -607,17 +600,7 @@ static int uvc_parse_format(struct uvc_device *dev, + return -EINVAL; + } + +- switch (buffer[8] & 0x7f) { +- case 0: +- strscpy(format->name, "SD-DV", sizeof(format->name)); +- break; +- case 1: +- strscpy(format->name, "SDL-DV", sizeof(format->name)); +- break; +- case 2: +- strscpy(format->name, "HD-DV", sizeof(format->name)); +- break; +- default: ++ if ((buffer[8] & 0x7f) > 2) { + uvc_dbg(dev, DESCR, + "device %d videostreaming interface %d: unknown DV format %u\n", + dev->udev->devnum, +@@ -625,9 +608,6 @@ static int uvc_parse_format(struct uvc_device *dev, + return -EINVAL; + } + +- strlcat(format->name, buffer[8] & (1 << 7) ? " 60Hz" : " 50Hz", +- sizeof(format->name)); +- + format->fcc = V4L2_PIX_FMT_DV; + format->flags = UVC_FMT_FLAG_COMPRESSED | UVC_FMT_FLAG_STREAM; + format->bpp = 0; +@@ -654,7 +634,7 @@ static int uvc_parse_format(struct uvc_device *dev, + return -EINVAL; + } + +- uvc_dbg(dev, DESCR, "Found format %s\n", format->name); ++ uvc_dbg(dev, DESCR, "Found format %p4cc", &format->fcc); + + buflen -= buffer[0]; + buffer += buffer[0]; +@@ -1151,10 +1131,8 @@ static int uvc_parse_vendor_control(struct uvc_device *dev, + + n; + memcpy(unit->extension.bmControls, &buffer[23+p], 2*n); + +- if (buffer[24+p+2*n] != 0) +- usb_string(udev, buffer[24+p+2*n], unit->name, +- sizeof(unit->name)); +- else ++ if (buffer[24+p+2*n] == 0 || ++ usb_string(udev, buffer[24+p+2*n], unit->name, sizeof(unit->name)) < 0) + sprintf(unit->name, "Extension %u", buffer[3]); + + list_add_tail(&unit->list, &dev->entities); +@@ -1278,15 +1256,15 @@ static int uvc_parse_standard_control(struct uvc_device *dev, + memcpy(term->media.bmTransportModes, &buffer[10+n], p); + } + +- if (buffer[7] != 0) +- usb_string(udev, buffer[7], term->name, +- sizeof(term->name)); +- else if (UVC_ENTITY_TYPE(term) == UVC_ITT_CAMERA) +- sprintf(term->name, "Camera %u", buffer[3]); +- else if (UVC_ENTITY_TYPE(term) == UVC_ITT_MEDIA_TRANSPORT_INPUT) +- sprintf(term->name, "Media %u", buffer[3]); +- else +- sprintf(term->name, "Input %u", buffer[3]); ++ if (buffer[7] == 0 || ++ usb_string(udev, buffer[7], term->name, sizeof(term->name)) < 0) { ++ if (UVC_ENTITY_TYPE(term) == UVC_ITT_CAMERA) ++ sprintf(term->name, "Camera %u", buffer[3]); ++ if (UVC_ENTITY_TYPE(term) == UVC_ITT_MEDIA_TRANSPORT_INPUT) ++ sprintf(term->name, "Media %u", buffer[3]); ++ else ++ sprintf(term->name, "Input %u", buffer[3]); ++ } + + list_add_tail(&term->list, &dev->entities); + break; +@@ -1318,10 +1296,8 @@ static int uvc_parse_standard_control(struct uvc_device *dev, + + memcpy(term->baSourceID, &buffer[7], 1); + +- if (buffer[8] != 0) +- usb_string(udev, buffer[8], term->name, +- sizeof(term->name)); +- else ++ if (buffer[8] == 0 || ++ usb_string(udev, buffer[8], term->name, sizeof(term->name)) < 0) + sprintf(term->name, "Output %u", buffer[3]); + + list_add_tail(&term->list, &dev->entities); +@@ -1343,10 +1319,8 @@ static int uvc_parse_standard_control(struct uvc_device *dev, + + memcpy(unit->baSourceID, &buffer[5], p); + +- if (buffer[5+p] != 0) +- usb_string(udev, buffer[5+p], unit->name, +- sizeof(unit->name)); +- else ++ if (buffer[5+p] == 0 || ++ usb_string(udev, buffer[5+p], unit->name, sizeof(unit->name)) < 0) + sprintf(unit->name, "Selector %u", buffer[3]); + + list_add_tail(&unit->list, &dev->entities); +@@ -1376,10 +1350,8 @@ static int uvc_parse_standard_control(struct uvc_device *dev, + if (dev->uvc_version >= 0x0110) + unit->processing.bmVideoStandards = buffer[9+n]; + +- if (buffer[8+n] != 0) +- usb_string(udev, buffer[8+n], unit->name, +- sizeof(unit->name)); +- else ++ if (buffer[8+n] == 0 || ++ usb_string(udev, buffer[8+n], unit->name, sizeof(unit->name)) < 0) + sprintf(unit->name, "Processing %u", buffer[3]); + + list_add_tail(&unit->list, &dev->entities); +@@ -1407,10 +1379,8 @@ static int uvc_parse_standard_control(struct uvc_device *dev, + unit->extension.bmControls = (u8 *)unit + sizeof(*unit); + memcpy(unit->extension.bmControls, &buffer[23+p], n); + +- if (buffer[23+p+n] != 0) +- usb_string(udev, buffer[23+p+n], unit->name, +- sizeof(unit->name)); +- else ++ if (buffer[23+p+n] == 0 || ++ usb_string(udev, buffer[23+p+n], unit->name, sizeof(unit->name)) < 0) + sprintf(unit->name, "Extension %u", buffer[3]); + + list_add_tail(&unit->list, &dev->entities); +@@ -2714,6 +2684,24 @@ static const struct usb_device_id uvc_ids[] = { + .bInterfaceSubClass = 1, + .bInterfaceProtocol = 0, + .driver_info = (kernel_ulong_t)&uvc_quirk_probe_minmax }, ++ /* Logitech, Webcam C910 */ ++ { .match_flags = USB_DEVICE_ID_MATCH_DEVICE ++ | USB_DEVICE_ID_MATCH_INT_INFO, ++ .idVendor = 0x046d, ++ .idProduct = 0x0821, ++ .bInterfaceClass = USB_CLASS_VIDEO, ++ .bInterfaceSubClass = 1, ++ .bInterfaceProtocol = 0, ++ .driver_info = UVC_INFO_QUIRK(UVC_QUIRK_WAKE_AUTOSUSPEND)}, ++ /* Logitech, Webcam B910 */ ++ { .match_flags = USB_DEVICE_ID_MATCH_DEVICE ++ | USB_DEVICE_ID_MATCH_INT_INFO, ++ .idVendor = 0x046d, ++ .idProduct = 0x0823, ++ .bInterfaceClass = USB_CLASS_VIDEO, ++ .bInterfaceSubClass = 1, ++ .bInterfaceProtocol = 0, ++ .driver_info = UVC_INFO_QUIRK(UVC_QUIRK_WAKE_AUTOSUSPEND)}, + /* Logitech Quickcam Fusion */ + { .match_flags = USB_DEVICE_ID_MATCH_DEVICE + | USB_DEVICE_ID_MATCH_INT_INFO, +diff --git a/drivers/media/usb/uvc/uvc_entity.c b/drivers/media/usb/uvc/uvc_entity.c +index 7c4d2f93d3513..cc68dd24eb42d 100644 +--- a/drivers/media/usb/uvc/uvc_entity.c ++++ b/drivers/media/usb/uvc/uvc_entity.c +@@ -37,7 +37,7 @@ static int uvc_mc_create_links(struct uvc_video_chain *chain, + continue; + + remote = uvc_entity_by_id(chain->dev, entity->baSourceID[i]); +- if (remote == NULL) ++ if (remote == NULL || remote->num_pads == 0) + return -EINVAL; + + source = (UVC_ENTITY_TYPE(remote) == UVC_TT_STREAMING) +diff --git a/drivers/media/usb/uvc/uvc_status.c b/drivers/media/usb/uvc/uvc_status.c +index 753c8226db707..3fa658b86c82b 100644 +--- a/drivers/media/usb/uvc/uvc_status.c ++++ b/drivers/media/usb/uvc/uvc_status.c +@@ -6,6 +6,7 @@ + * Laurent Pinchart (laurent.pinchart@ideasonboard.com) + */ + ++#include <asm/barrier.h> + #include <linux/kernel.h> + #include <linux/input.h> + #include <linux/slab.h> +@@ -309,5 +310,41 @@ int uvc_status_start(struct uvc_device *dev, gfp_t flags) + + void uvc_status_stop(struct uvc_device *dev) + { ++ struct uvc_ctrl_work *w = &dev->async_ctrl; ++ ++ /* ++ * Prevent the asynchronous control handler from requeing the URB. The ++ * barrier is needed so the flush_status change is visible to other ++ * CPUs running the asynchronous handler before usb_kill_urb() is ++ * called below. ++ */ ++ smp_store_release(&dev->flush_status, true); ++ ++ /* ++ * Cancel any pending asynchronous work. If any status event was queued, ++ * process it synchronously. ++ */ ++ if (cancel_work_sync(&w->work)) ++ uvc_ctrl_status_event(w->chain, w->ctrl, w->data); ++ ++ /* Kill the urb. */ + usb_kill_urb(dev->int_urb); ++ ++ /* ++ * The URB completion handler may have queued asynchronous work. This ++ * won't resubmit the URB as flush_status is set, but it needs to be ++ * cancelled before returning or it could then race with a future ++ * uvc_status_start() call. ++ */ ++ if (cancel_work_sync(&w->work)) ++ uvc_ctrl_status_event(w->chain, w->ctrl, w->data); ++ ++ /* ++ * From this point, there are no events on the queue and the status URB ++ * is dead. No events will be queued until uvc_status_start() is called. ++ * The barrier is needed to make sure that flush_status is visible to ++ * uvc_ctrl_status_event_work() when uvc_status_start() will be called ++ * again. ++ */ ++ smp_store_release(&dev->flush_status, false); + } +diff --git a/drivers/media/usb/uvc/uvc_v4l2.c b/drivers/media/usb/uvc/uvc_v4l2.c +index 023412b2a9b93..ab535e5501583 100644 +--- a/drivers/media/usb/uvc/uvc_v4l2.c ++++ b/drivers/media/usb/uvc/uvc_v4l2.c +@@ -657,8 +657,6 @@ static int uvc_ioctl_enum_fmt(struct uvc_streaming *stream, + fmt->flags = 0; + if (format->flags & UVC_FMT_FLAG_COMPRESSED) + fmt->flags |= V4L2_FMT_FLAG_COMPRESSED; +- strscpy(fmt->description, format->name, sizeof(fmt->description)); +- fmt->description[sizeof(fmt->description) - 1] = 0; + fmt->pixelformat = format->fcc; + return 0; + } +diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c +index 1b4cc934109e8..f477cfbbb905a 100644 +--- a/drivers/media/usb/uvc/uvc_video.c ++++ b/drivers/media/usb/uvc/uvc_video.c +@@ -1334,7 +1334,9 @@ static void uvc_video_decode_meta(struct uvc_streaming *stream, + if (has_scr) + memcpy(stream->clock.last_scr, scr, 6); + +- memcpy(&meta->length, mem, length); ++ meta->length = mem[0]; ++ meta->flags = mem[1]; ++ memcpy(meta->buf, &mem[2], length - 2); + meta_buf->bytesused += length + sizeof(meta->ns) + sizeof(meta->sof); + + uvc_dbg(stream->dev, FRAME, +@@ -1951,6 +1953,17 @@ static int uvc_video_start_transfer(struct uvc_streaming *stream, + "Selecting alternate setting %u (%u B/frame bandwidth)\n", + altsetting, best_psize); + ++ /* ++ * Some devices, namely the Logitech C910 and B910, are unable ++ * to recover from a USB autosuspend, unless the alternate ++ * setting of the streaming interface is toggled. ++ */ ++ if (stream->dev->quirks & UVC_QUIRK_WAKE_AUTOSUSPEND) { ++ usb_set_interface(stream->dev->udev, intfnum, ++ altsetting); ++ usb_set_interface(stream->dev->udev, intfnum, 0); ++ } ++ + ret = usb_set_interface(stream->dev->udev, intfnum, altsetting); + if (ret < 0) + return ret; +diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h +index d7c4f6f5fca92..1aa2cc98502d1 100644 +--- a/drivers/media/usb/uvc/uvcvideo.h ++++ b/drivers/media/usb/uvc/uvcvideo.h +@@ -209,6 +209,7 @@ + #define UVC_QUIRK_RESTORE_CTRLS_ON_INIT 0x00000400 + #define UVC_QUIRK_FORCE_Y8 0x00000800 + #define UVC_QUIRK_FORCE_BPP 0x00001000 ++#define UVC_QUIRK_WAKE_AUTOSUSPEND 0x00002000 + + /* Format flags */ + #define UVC_FMT_FLAG_COMPRESSED 0x00000001 +@@ -405,8 +406,6 @@ struct uvc_format { + u32 fcc; + u32 flags; + +- char name[32]; +- + unsigned int nframes; + struct uvc_frame *frame; + }; +@@ -698,6 +697,7 @@ struct uvc_device { + /* Status Interrupt Endpoint */ + struct usb_host_endpoint *int_ep; + struct urb *int_urb; ++ bool flush_status; + u8 *status; + struct input_dev *input; + char input_phys[64]; +diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c +index 9323b1e3a69ef..5c8317bd4d98b 100644 +--- a/drivers/mfd/arizona-core.c ++++ b/drivers/mfd/arizona-core.c +@@ -45,7 +45,7 @@ int arizona_clk32k_enable(struct arizona *arizona) + if (arizona->clk32k_ref == 1) { + switch (arizona->pdata.clk32k_src) { + case ARIZONA_32KZ_MCLK1: +- ret = pm_runtime_get_sync(arizona->dev); ++ ret = pm_runtime_resume_and_get(arizona->dev); + if (ret != 0) + goto err_ref; + ret = clk_prepare_enable(arizona->mclk[ARIZONA_MCLK1]); +diff --git a/drivers/misc/mei/bus-fixup.c b/drivers/misc/mei/bus-fixup.c +index 67844089db216..9d082287dbe02 100644 +--- a/drivers/misc/mei/bus-fixup.c ++++ b/drivers/misc/mei/bus-fixup.c +@@ -175,7 +175,7 @@ static int mei_fwver(struct mei_cl_device *cldev) + ret = __mei_cl_send(cldev->cl, (u8 *)&req, sizeof(req), 0, + MEI_CL_IO_TX_BLOCKING); + if (ret < 0) { +- dev_err(&cldev->dev, "Could not send ReqFWVersion cmd\n"); ++ dev_err(&cldev->dev, "Could not send ReqFWVersion cmd ret = %d\n", ret); + return ret; + } + +@@ -187,7 +187,7 @@ static int mei_fwver(struct mei_cl_device *cldev) + * Should be at least one version block, + * error out if nothing found + */ +- dev_err(&cldev->dev, "Could not read FW version\n"); ++ dev_err(&cldev->dev, "Could not read FW version ret = %d\n", bytes_recv); + return -EIO; + } + +@@ -337,7 +337,7 @@ static int mei_nfc_if_version(struct mei_cl *cl, + ret = __mei_cl_send(cl, (u8 *)&cmd, sizeof(cmd), 0, + MEI_CL_IO_TX_BLOCKING); + if (ret < 0) { +- dev_err(bus->dev, "Could not send IF version cmd\n"); ++ dev_err(bus->dev, "Could not send IF version cmd ret = %d\n", ret); + return ret; + } + +@@ -352,7 +352,7 @@ static int mei_nfc_if_version(struct mei_cl *cl, + bytes_recv = __mei_cl_recv(cl, (u8 *)reply, if_version_length, &vtag, + 0, 0); + if (bytes_recv < 0 || (size_t)bytes_recv < if_version_length) { +- dev_err(bus->dev, "Could not read IF version\n"); ++ dev_err(bus->dev, "Could not read IF version ret = %d\n", bytes_recv); + ret = -EIO; + goto err; + } +diff --git a/drivers/misc/vmw_balloon.c b/drivers/misc/vmw_balloon.c +index f1d8ba6d48574..dab8ad9fed6b3 100644 +--- a/drivers/misc/vmw_balloon.c ++++ b/drivers/misc/vmw_balloon.c +@@ -1711,7 +1711,7 @@ static void __init vmballoon_debugfs_init(struct vmballoon *b) + static void __exit vmballoon_debugfs_exit(struct vmballoon *b) + { + static_key_disable(&balloon_stat_enabled.key); +- debugfs_remove(debugfs_lookup("vmmemctl", NULL)); ++ debugfs_lookup_and_remove("vmmemctl", NULL); + kfree(b->stats); + b->stats = NULL; + } +diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c +index a32050fecabf3..3499ff2649d54 100644 +--- a/drivers/mtd/ubi/build.c ++++ b/drivers/mtd/ubi/build.c +@@ -468,6 +468,7 @@ static int uif_init(struct ubi_device *ubi) + err = ubi_add_volume(ubi, ubi->volumes[i]); + if (err) { + ubi_err(ubi, "cannot add volume %d", i); ++ ubi->volumes[i] = NULL; + goto out_volumes; + } + } +@@ -663,6 +664,12 @@ static int io_init(struct ubi_device *ubi, int max_beb_per1024) + ubi->ec_hdr_alsize = ALIGN(UBI_EC_HDR_SIZE, ubi->hdrs_min_io_size); + ubi->vid_hdr_alsize = ALIGN(UBI_VID_HDR_SIZE, ubi->hdrs_min_io_size); + ++ if (ubi->vid_hdr_offset && ((ubi->vid_hdr_offset + UBI_VID_HDR_SIZE) > ++ ubi->vid_hdr_alsize)) { ++ ubi_err(ubi, "VID header offset %d too large.", ubi->vid_hdr_offset); ++ return -EINVAL; ++ } ++ + dbg_gen("min_io_size %d", ubi->min_io_size); + dbg_gen("max_write_size %d", ubi->max_write_size); + dbg_gen("hdrs_min_io_size %d", ubi->hdrs_min_io_size); +diff --git a/drivers/mtd/ubi/fastmap-wl.c b/drivers/mtd/ubi/fastmap-wl.c +index 053ab52668e8b..69592be33adfc 100644 +--- a/drivers/mtd/ubi/fastmap-wl.c ++++ b/drivers/mtd/ubi/fastmap-wl.c +@@ -146,13 +146,15 @@ void ubi_refill_pools(struct ubi_device *ubi) + if (ubi->fm_anchor) { + wl_tree_add(ubi->fm_anchor, &ubi->free); + ubi->free_count++; ++ ubi->fm_anchor = NULL; + } + +- /* +- * All available PEBs are in ubi->free, now is the time to get +- * the best anchor PEBs. +- */ +- ubi->fm_anchor = ubi_wl_get_fm_peb(ubi, 1); ++ if (!ubi->fm_disabled) ++ /* ++ * All available PEBs are in ubi->free, now is the time to get ++ * the best anchor PEBs. ++ */ ++ ubi->fm_anchor = ubi_wl_get_fm_peb(ubi, 1); + + for (;;) { + enough = 0; +diff --git a/drivers/mtd/ubi/vmt.c b/drivers/mtd/ubi/vmt.c +index 6ea95ade4ca6b..d79323e8ea29d 100644 +--- a/drivers/mtd/ubi/vmt.c ++++ b/drivers/mtd/ubi/vmt.c +@@ -464,7 +464,7 @@ int ubi_resize_volume(struct ubi_volume_desc *desc, int reserved_pebs) + for (i = 0; i < -pebs; i++) { + err = ubi_eba_unmap_leb(ubi, vol, reserved_pebs + i); + if (err) +- goto out_acc; ++ goto out_free; + } + spin_lock(&ubi->volumes_lock); + ubi->rsvd_pebs += pebs; +@@ -512,8 +512,10 @@ out_acc: + ubi->avail_pebs += pebs; + spin_unlock(&ubi->volumes_lock); + } ++ return err; ++ + out_free: +- kfree(new_eba_tbl); ++ ubi_eba_destroy_table(new_eba_tbl); + return err; + } + +@@ -580,6 +582,7 @@ int ubi_add_volume(struct ubi_device *ubi, struct ubi_volume *vol) + if (err) { + ubi_err(ubi, "cannot add character device for volume %d, error %d", + vol_id, err); ++ vol_release(&vol->dev); + return err; + } + +@@ -590,15 +593,14 @@ int ubi_add_volume(struct ubi_device *ubi, struct ubi_volume *vol) + vol->dev.groups = volume_dev_groups; + dev_set_name(&vol->dev, "%s_%d", ubi->ubi_name, vol->vol_id); + err = device_register(&vol->dev); +- if (err) +- goto out_cdev; ++ if (err) { ++ cdev_del(&vol->cdev); ++ put_device(&vol->dev); ++ return err; ++ } + + self_check_volumes(ubi); + return err; +- +-out_cdev: +- cdev_del(&vol->cdev); +- return err; + } + + /** +diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c +index afcdacb9d0e99..2ee0e60c43c2e 100644 +--- a/drivers/mtd/ubi/wl.c ++++ b/drivers/mtd/ubi/wl.c +@@ -886,8 +886,11 @@ static int wear_leveling_worker(struct ubi_device *ubi, struct ubi_work *wrk, + + err = do_sync_erase(ubi, e1, vol_id, lnum, 0); + if (err) { +- if (e2) ++ if (e2) { ++ spin_lock(&ubi->wl_lock); + wl_entry_destroy(ubi, e2); ++ spin_unlock(&ubi->wl_lock); ++ } + goto out_ro; + } + +@@ -969,11 +972,11 @@ out_error: + spin_lock(&ubi->wl_lock); + ubi->move_from = ubi->move_to = NULL; + ubi->move_to_put = ubi->wl_scheduled = 0; ++ wl_entry_destroy(ubi, e1); ++ wl_entry_destroy(ubi, e2); + spin_unlock(&ubi->wl_lock); + + ubi_free_vid_buf(vidb); +- wl_entry_destroy(ubi, e1); +- wl_entry_destroy(ubi, e2); + + out_ro: + ubi_ro_mode(ubi); +@@ -1120,14 +1123,18 @@ static int __erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk) + /* Re-schedule the LEB for erasure */ + err1 = schedule_erase(ubi, e, vol_id, lnum, 0, false); + if (err1) { ++ spin_lock(&ubi->wl_lock); + wl_entry_destroy(ubi, e); ++ spin_unlock(&ubi->wl_lock); + err = err1; + goto out_ro; + } + return err; + } + ++ spin_lock(&ubi->wl_lock); + wl_entry_destroy(ubi, e); ++ spin_unlock(&ubi->wl_lock); + if (err != -EIO) + /* + * If this is not %-EIO, we have no idea what to do. Scheduling +@@ -1243,6 +1250,18 @@ int ubi_wl_put_peb(struct ubi_device *ubi, int vol_id, int lnum, + retry: + spin_lock(&ubi->wl_lock); + e = ubi->lookuptbl[pnum]; ++ if (!e) { ++ /* ++ * This wl entry has been removed for some errors by other ++ * process (eg. wear leveling worker), corresponding process ++ * (except __erase_worker, which cannot concurrent with ++ * ubi_wl_put_peb) will set ubi ro_mode at the same time, ++ * just ignore this wl entry. ++ */ ++ spin_unlock(&ubi->wl_lock); ++ up_read(&ubi->fm_protect); ++ return 0; ++ } + if (e == ubi->move_from) { + /* + * User is putting the physical eraseblock which was selected to +diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c +index 77a13fb555fb6..63889449b8f61 100644 +--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c ++++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c +@@ -748,7 +748,7 @@ static int otx2_prepare_ipv6_flow(struct ethtool_rx_flow_spec *fsp, + + /* NPC profile doesn't extract AH/ESP header fields */ + if ((ah_esp_mask->spi & ah_esp_hdr->spi) || +- (ah_esp_mask->tclass & ah_esp_mask->tclass)) ++ (ah_esp_mask->tclass & ah_esp_hdr->tclass)) + return -EOPNOTSUPP; + + if (flow_type == AH_V6_FLOW) +diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +index 3194cdcd2f630..002567792e91e 100644 +--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c ++++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +@@ -962,7 +962,8 @@ mlx5_eswitch_add_send_to_vport_rule(struct mlx5_eswitch *on_esw, + dest.vport.flags |= MLX5_FLOW_DEST_VPORT_VHCA_ID; + flow_act.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; + +- if (rep->vport == MLX5_VPORT_UPLINK) ++ if (MLX5_CAP_ESW_FLOWTABLE(on_esw->dev, flow_source) && ++ rep->vport == MLX5_VPORT_UPLINK) + spec->flow_context.flow_source = MLX5_FLOW_CONTEXT_FLOW_SOURCE_LOCAL_VPORT; + + flow_rule = mlx5_add_flow_rules(on_esw->fdb_table.offloads.slow_fdb, +diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/geneve.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/geneve.c +index 23361a9ae4fa0..6dc83e871cd76 100644 +--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/geneve.c ++++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/geneve.c +@@ -105,6 +105,7 @@ int mlx5_geneve_tlv_option_add(struct mlx5_geneve *geneve, struct geneve_opt *op + geneve->opt_type = opt->type; + geneve->obj_id = res; + geneve->refcount++; ++ res = 0; + } + + unlock: +diff --git a/drivers/nfc/st-nci/se.c b/drivers/nfc/st-nci/se.c +index 04a2cea6d6b61..57d09dbf627b4 100644 +--- a/drivers/nfc/st-nci/se.c ++++ b/drivers/nfc/st-nci/se.c +@@ -674,6 +674,12 @@ int st_nci_se_io(struct nci_dev *ndev, u32 se_idx, + ST_NCI_EVT_TRANSMIT_DATA, apdu, + apdu_length); + default: ++ /* Need to free cb_context here as at the moment we can't ++ * clearly indicate to the caller if the callback function ++ * would be called (and free it) or not. In both cases a ++ * negative value may be returned to the caller. ++ */ ++ kfree(cb_context); + return -ENODEV; + } + } +diff --git a/drivers/nfc/st21nfca/se.c b/drivers/nfc/st21nfca/se.c +index d416365042462..6a1d3b2752fbf 100644 +--- a/drivers/nfc/st21nfca/se.c ++++ b/drivers/nfc/st21nfca/se.c +@@ -236,6 +236,12 @@ int st21nfca_hci_se_io(struct nfc_hci_dev *hdev, u32 se_idx, + ST21NFCA_EVT_TRANSMIT_DATA, + apdu, apdu_length); + default: ++ /* Need to free cb_context here as at the moment we can't ++ * clearly indicate to the caller if the callback function ++ * would be called (and free it) or not. In both cases a ++ * negative value may be returned to the caller. ++ */ ++ kfree(cb_context); + return -ENODEV; + } + } +diff --git a/drivers/parisc/iosapic.c b/drivers/parisc/iosapic.c +index fd99735dca3e6..93ea922618c3d 100644 +--- a/drivers/parisc/iosapic.c ++++ b/drivers/parisc/iosapic.c +@@ -677,7 +677,7 @@ static int iosapic_set_affinity_irq(struct irq_data *d, + if (dest_cpu < 0) + return -1; + +- cpumask_copy(irq_data_get_affinity_mask(d), cpumask_of(dest_cpu)); ++ irq_data_update_affinity(d, cpumask_of(dest_cpu)); + vi->txn_addr = txn_affinity_addr(d->irq, dest_cpu); + + spin_lock_irqsave(&iosapic_lock, flags); +diff --git a/drivers/pci/controller/pci-loongson.c b/drivers/pci/controller/pci-loongson.c +index 48169b1e38171..e73e18a73833b 100644 +--- a/drivers/pci/controller/pci-loongson.c ++++ b/drivers/pci/controller/pci-loongson.c +@@ -13,9 +13,14 @@ + #include "../pci.h" + + /* Device IDs */ +-#define DEV_PCIE_PORT_0 0x7a09 +-#define DEV_PCIE_PORT_1 0x7a19 +-#define DEV_PCIE_PORT_2 0x7a29 ++#define DEV_LS2K_PCIE_PORT0 0x1a05 ++#define DEV_LS7A_PCIE_PORT0 0x7a09 ++#define DEV_LS7A_PCIE_PORT1 0x7a19 ++#define DEV_LS7A_PCIE_PORT2 0x7a29 ++#define DEV_LS7A_PCIE_PORT3 0x7a39 ++#define DEV_LS7A_PCIE_PORT4 0x7a49 ++#define DEV_LS7A_PCIE_PORT5 0x7a59 ++#define DEV_LS7A_PCIE_PORT6 0x7a69 + + #define DEV_LS2K_APB 0x7a02 + #define DEV_LS7A_CONF 0x7a10 +@@ -38,11 +43,11 @@ static void bridge_class_quirk(struct pci_dev *dev) + dev->class = PCI_CLASS_BRIDGE_PCI << 8; + } + DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON, +- DEV_PCIE_PORT_0, bridge_class_quirk); ++ DEV_LS7A_PCIE_PORT0, bridge_class_quirk); + DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON, +- DEV_PCIE_PORT_1, bridge_class_quirk); ++ DEV_LS7A_PCIE_PORT1, bridge_class_quirk); + DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON, +- DEV_PCIE_PORT_2, bridge_class_quirk); ++ DEV_LS7A_PCIE_PORT2, bridge_class_quirk); + + static void system_bus_quirk(struct pci_dev *pdev) + { +@@ -60,37 +65,33 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON, + DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON, + DEV_LS7A_LPC, system_bus_quirk); + +-static void loongson_mrrs_quirk(struct pci_dev *dev) ++static void loongson_mrrs_quirk(struct pci_dev *pdev) + { +- struct pci_bus *bus = dev->bus; +- struct pci_dev *bridge; +- static const struct pci_device_id bridge_devids[] = { +- { PCI_VDEVICE(LOONGSON, DEV_PCIE_PORT_0) }, +- { PCI_VDEVICE(LOONGSON, DEV_PCIE_PORT_1) }, +- { PCI_VDEVICE(LOONGSON, DEV_PCIE_PORT_2) }, +- { 0, }, +- }; +- +- /* look for the matching bridge */ +- while (!pci_is_root_bus(bus)) { +- bridge = bus->self; +- bus = bus->parent; +- /* +- * Some Loongson PCIe ports have a h/w limitation of +- * 256 bytes maximum read request size. They can't handle +- * anything larger than this. So force this limit on +- * any devices attached under these ports. +- */ +- if (pci_match_id(bridge_devids, bridge)) { +- if (pcie_get_readrq(dev) > 256) { +- pci_info(dev, "limiting MRRS to 256\n"); +- pcie_set_readrq(dev, 256); +- } +- break; +- } +- } ++ /* ++ * Some Loongson PCIe ports have h/w limitations of maximum read ++ * request size. They can't handle anything larger than this. So ++ * force this limit on any devices attached under these ports. ++ */ ++ struct pci_host_bridge *bridge = pci_find_host_bridge(pdev->bus); ++ ++ bridge->no_inc_mrrs = 1; + } +-DECLARE_PCI_FIXUP_ENABLE(PCI_ANY_ID, PCI_ANY_ID, loongson_mrrs_quirk); ++DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON, ++ DEV_LS2K_PCIE_PORT0, loongson_mrrs_quirk); ++DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON, ++ DEV_LS7A_PCIE_PORT0, loongson_mrrs_quirk); ++DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON, ++ DEV_LS7A_PCIE_PORT1, loongson_mrrs_quirk); ++DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON, ++ DEV_LS7A_PCIE_PORT2, loongson_mrrs_quirk); ++DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON, ++ DEV_LS7A_PCIE_PORT3, loongson_mrrs_quirk); ++DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON, ++ DEV_LS7A_PCIE_PORT4, loongson_mrrs_quirk); ++DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON, ++ DEV_LS7A_PCIE_PORT5, loongson_mrrs_quirk); ++DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON, ++ DEV_LS7A_PCIE_PORT6, loongson_mrrs_quirk); + + static void __iomem *cfg1_map(struct loongson_pci *priv, int bus, + unsigned int devfn, int where) +diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c +index 778ae3c861f45..ce0988513fdaf 100644 +--- a/drivers/pci/pci.c ++++ b/drivers/pci/pci.c +@@ -5970,6 +5970,7 @@ int pcie_set_readrq(struct pci_dev *dev, int rq) + { + u16 v; + int ret; ++ struct pci_host_bridge *bridge = pci_find_host_bridge(dev->bus); + + if (rq < 128 || rq > 4096 || !is_power_of_2(rq)) + return -EINVAL; +@@ -5988,6 +5989,15 @@ int pcie_set_readrq(struct pci_dev *dev, int rq) + + v = (ffs(rq) - 8) << 12; + ++ if (bridge->no_inc_mrrs) { ++ int max_mrrs = pcie_get_readrq(dev); ++ ++ if (rq > max_mrrs) { ++ pci_info(dev, "can't set Max_Read_Request_Size to %d; max is %d\n", rq, max_mrrs); ++ return -EINVAL; ++ } ++ } ++ + ret = pcie_capability_clear_and_set_word(dev, PCI_EXP_DEVCTL, + PCI_EXP_DEVCTL_READRQ, v); + +diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c +index 305ff5bd1a20c..643a3b292f0b6 100644 +--- a/drivers/pci/quirks.c ++++ b/drivers/pci/quirks.c +@@ -4823,6 +4823,26 @@ static int pci_quirk_brcm_acs(struct pci_dev *dev, u16 acs_flags) + PCI_ACS_SV | PCI_ACS_RR | PCI_ACS_CR | PCI_ACS_UF); + } + ++/* ++ * Wangxun 10G/1G NICs have no ACS capability, and on multi-function ++ * devices, peer-to-peer transactions are not be used between the functions. ++ * So add an ACS quirk for below devices to isolate functions. ++ * SFxxx 1G NICs(em). ++ * RP1000/RP2000 10G NICs(sp). ++ */ ++static int pci_quirk_wangxun_nic_acs(struct pci_dev *dev, u16 acs_flags) ++{ ++ switch (dev->device) { ++ case 0x0100 ... 0x010F: ++ case 0x1001: ++ case 0x2001: ++ return pci_acs_ctrl_enabled(acs_flags, ++ PCI_ACS_SV | PCI_ACS_RR | PCI_ACS_CR | PCI_ACS_UF); ++ } ++ ++ return false; ++} ++ + static const struct pci_dev_acs_enabled { + u16 vendor; + u16 device; +@@ -4968,6 +4988,8 @@ static const struct pci_dev_acs_enabled { + { PCI_VENDOR_ID_NXP, 0x8d9b, pci_quirk_nxp_rp_acs }, + /* Zhaoxin Root/Downstream Ports */ + { PCI_VENDOR_ID_ZHAOXIN, PCI_ANY_ID, pci_quirk_zhaoxin_pcie_ports_acs }, ++ /* Wangxun nics */ ++ { PCI_VENDOR_ID_WANGXUN, PCI_ANY_ID, pci_quirk_wangxun_nic_acs }, + { 0 } + }; + +diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c +index 2ce636937c6ea..16d291e10627b 100644 +--- a/drivers/pci/setup-bus.c ++++ b/drivers/pci/setup-bus.c +@@ -1878,12 +1878,67 @@ static void adjust_bridge_window(struct pci_dev *bridge, struct resource *res, + add_size = size - new_size; + pci_dbg(bridge, "bridge window %pR shrunken by %pa\n", res, + &add_size); ++ } else { ++ return; + } + + res->end = res->start + new_size - 1; + remove_from_list(add_list, res); + } + ++static void remove_dev_resource(struct resource *avail, struct pci_dev *dev, ++ struct resource *res) ++{ ++ resource_size_t size, align, tmp; ++ ++ size = resource_size(res); ++ if (!size) ++ return; ++ ++ align = pci_resource_alignment(dev, res); ++ align = align ? ALIGN(avail->start, align) - avail->start : 0; ++ tmp = align + size; ++ avail->start = min(avail->start + tmp, avail->end + 1); ++} ++ ++static void remove_dev_resources(struct pci_dev *dev, struct resource *io, ++ struct resource *mmio, ++ struct resource *mmio_pref) ++{ ++ int i; ++ ++ for (i = 0; i < PCI_NUM_RESOURCES; i++) { ++ struct resource *res = &dev->resource[i]; ++ ++ if (resource_type(res) == IORESOURCE_IO) { ++ remove_dev_resource(io, dev, res); ++ } else if (resource_type(res) == IORESOURCE_MEM) { ++ ++ /* ++ * Make sure prefetchable memory is reduced from ++ * the correct resource. Specifically we put 32-bit ++ * prefetchable memory in non-prefetchable window ++ * if there is an 64-bit pretchable window. ++ * ++ * See comments in __pci_bus_size_bridges() for ++ * more information. ++ */ ++ if ((res->flags & IORESOURCE_PREFETCH) && ++ ((res->flags & IORESOURCE_MEM_64) == ++ (mmio_pref->flags & IORESOURCE_MEM_64))) ++ remove_dev_resource(mmio_pref, dev, res); ++ else ++ remove_dev_resource(mmio, dev, res); ++ } ++ } ++} ++ ++/* ++ * io, mmio and mmio_pref contain the total amount of bridge window space ++ * available. This includes the minimal space needed to cover all the ++ * existing devices on the bus and the possible extra space that can be ++ * shared with the bridges. ++ */ + static void pci_bus_distribute_available_resources(struct pci_bus *bus, + struct list_head *add_list, + struct resource io, +@@ -1893,7 +1948,7 @@ static void pci_bus_distribute_available_resources(struct pci_bus *bus, + unsigned int normal_bridges = 0, hotplug_bridges = 0; + struct resource *io_res, *mmio_res, *mmio_pref_res; + struct pci_dev *dev, *bridge = bus->self; +- resource_size_t io_per_hp, mmio_per_hp, mmio_pref_per_hp, align; ++ resource_size_t io_per_b, mmio_per_b, mmio_pref_per_b, align; + + io_res = &bridge->resource[PCI_BRIDGE_IO_WINDOW]; + mmio_res = &bridge->resource[PCI_BRIDGE_MEM_WINDOW]; +@@ -1937,94 +1992,88 @@ static void pci_bus_distribute_available_resources(struct pci_bus *bus, + normal_bridges++; + } + ++ if (!(hotplug_bridges + normal_bridges)) ++ return; ++ + /* +- * There is only one bridge on the bus so it gets all available +- * resources which it can then distribute to the possible hotplug +- * bridges below. ++ * Calculate the amount of space we can forward from "bus" to any ++ * downstream buses, i.e., the space left over after assigning the ++ * BARs and windows on "bus". + */ +- if (hotplug_bridges + normal_bridges == 1) { +- dev = list_first_entry(&bus->devices, struct pci_dev, bus_list); +- if (dev->subordinate) +- pci_bus_distribute_available_resources(dev->subordinate, +- add_list, io, mmio, mmio_pref); +- return; ++ list_for_each_entry(dev, &bus->devices, bus_list) { ++ if (!dev->is_virtfn) ++ remove_dev_resources(dev, &io, &mmio, &mmio_pref); + } + +- if (hotplug_bridges == 0) +- return; +- + /* +- * Calculate the total amount of extra resource space we can +- * pass to bridges below this one. This is basically the +- * extra space reduced by the minimal required space for the +- * non-hotplug bridges. ++ * If there is at least one hotplug bridge on this bus it gets all ++ * the extra resource space that was left after the reductions ++ * above. ++ * ++ * If there are no hotplug bridges the extra resource space is ++ * split between non-hotplug bridges. This is to allow possible ++ * hotplug bridges below them to get the extra space as well. + */ ++ if (hotplug_bridges) { ++ io_per_b = div64_ul(resource_size(&io), hotplug_bridges); ++ mmio_per_b = div64_ul(resource_size(&mmio), hotplug_bridges); ++ mmio_pref_per_b = div64_ul(resource_size(&mmio_pref), ++ hotplug_bridges); ++ } else { ++ io_per_b = div64_ul(resource_size(&io), normal_bridges); ++ mmio_per_b = div64_ul(resource_size(&mmio), normal_bridges); ++ mmio_pref_per_b = div64_ul(resource_size(&mmio_pref), ++ normal_bridges); ++ } ++ + for_each_pci_bridge(dev, bus) { +- resource_size_t used_size; + struct resource *res; ++ struct pci_bus *b; + +- if (dev->is_hotplug_bridge) ++ b = dev->subordinate; ++ if (!b) ++ continue; ++ if (hotplug_bridges && !dev->is_hotplug_bridge) + continue; + ++ res = &dev->resource[PCI_BRIDGE_IO_WINDOW]; ++ + /* +- * Reduce the available resource space by what the +- * bridge and devices below it occupy. ++ * Make sure the split resource space is properly aligned ++ * for bridge windows (align it down to avoid going above ++ * what is available). + */ +- res = &dev->resource[PCI_BRIDGE_IO_WINDOW]; + align = pci_resource_alignment(dev, res); +- align = align ? ALIGN(io.start, align) - io.start : 0; +- used_size = align + resource_size(res); +- if (!res->parent) +- io.start = min(io.start + used_size, io.end + 1); ++ io.end = align ? io.start + ALIGN_DOWN(io_per_b, align) - 1 ++ : io.start + io_per_b - 1; ++ ++ /* ++ * The x_per_b holds the extra resource space that can be ++ * added for each bridge but there is the minimal already ++ * reserved as well so adjust x.start down accordingly to ++ * cover the whole space. ++ */ ++ io.start -= resource_size(res); + + res = &dev->resource[PCI_BRIDGE_MEM_WINDOW]; + align = pci_resource_alignment(dev, res); +- align = align ? ALIGN(mmio.start, align) - mmio.start : 0; +- used_size = align + resource_size(res); +- if (!res->parent) +- mmio.start = min(mmio.start + used_size, mmio.end + 1); ++ mmio.end = align ? mmio.start + ALIGN_DOWN(mmio_per_b, align) - 1 ++ : mmio.start + mmio_per_b - 1; ++ mmio.start -= resource_size(res); + + res = &dev->resource[PCI_BRIDGE_PREF_MEM_WINDOW]; + align = pci_resource_alignment(dev, res); +- align = align ? ALIGN(mmio_pref.start, align) - +- mmio_pref.start : 0; +- used_size = align + resource_size(res); +- if (!res->parent) +- mmio_pref.start = min(mmio_pref.start + used_size, +- mmio_pref.end + 1); +- } +- +- io_per_hp = div64_ul(resource_size(&io), hotplug_bridges); +- mmio_per_hp = div64_ul(resource_size(&mmio), hotplug_bridges); +- mmio_pref_per_hp = div64_ul(resource_size(&mmio_pref), +- hotplug_bridges); +- +- /* +- * Go over devices on this bus and distribute the remaining +- * resource space between hotplug bridges. +- */ +- for_each_pci_bridge(dev, bus) { +- struct pci_bus *b; +- +- b = dev->subordinate; +- if (!b || !dev->is_hotplug_bridge) +- continue; +- +- /* +- * Distribute available extra resources equally between +- * hotplug-capable downstream ports taking alignment into +- * account. +- */ +- io.end = io.start + io_per_hp - 1; +- mmio.end = mmio.start + mmio_per_hp - 1; +- mmio_pref.end = mmio_pref.start + mmio_pref_per_hp - 1; ++ mmio_pref.end = align ? mmio_pref.start + ++ ALIGN_DOWN(mmio_pref_per_b, align) - 1 ++ : mmio_pref.start + mmio_pref_per_b - 1; ++ mmio_pref.start -= resource_size(res); + + pci_bus_distribute_available_resources(b, add_list, io, mmio, + mmio_pref); + +- io.start += io_per_hp; +- mmio.start += mmio_per_hp; +- mmio_pref.start += mmio_pref_per_hp; ++ io.start += io.end + 1; ++ mmio.start += mmio.end + 1; ++ mmio_pref.start += mmio_pref.end + 1; + } + } + +diff --git a/drivers/phy/rockchip/phy-rockchip-typec.c b/drivers/phy/rockchip/phy-rockchip-typec.c +index 5b9a254c45524..062821410ee4f 100644 +--- a/drivers/phy/rockchip/phy-rockchip-typec.c ++++ b/drivers/phy/rockchip/phy-rockchip-typec.c +@@ -808,9 +808,8 @@ static int tcphy_get_mode(struct rockchip_typec_phy *tcphy) + struct extcon_dev *edev = tcphy->extcon; + union extcon_property_value property; + unsigned int id; +- bool ufp, dp; + u8 mode; +- int ret; ++ int ret, ufp, dp; + + if (!edev) + return MODE_DFP_USB; +diff --git a/drivers/pwm/pwm-sifive.c b/drivers/pwm/pwm-sifive.c +index 07e9fc58354f4..41a6fc47cc163 100644 +--- a/drivers/pwm/pwm-sifive.c ++++ b/drivers/pwm/pwm-sifive.c +@@ -41,7 +41,7 @@ + + struct pwm_sifive_ddata { + struct pwm_chip chip; +- struct mutex lock; /* lock to protect user_count */ ++ struct mutex lock; /* lock to protect user_count and approx_period */ + struct notifier_block notifier; + struct clk *clk; + void __iomem *regs; +@@ -76,6 +76,7 @@ static void pwm_sifive_free(struct pwm_chip *chip, struct pwm_device *pwm) + mutex_unlock(&ddata->lock); + } + ++/* Called holding ddata->lock */ + static void pwm_sifive_update_clock(struct pwm_sifive_ddata *ddata, + unsigned long rate) + { +@@ -163,7 +164,6 @@ static int pwm_sifive_apply(struct pwm_chip *chip, struct pwm_device *pwm, + return ret; + } + +- mutex_lock(&ddata->lock); + cur_state = pwm->state; + enabled = cur_state.enabled; + +@@ -182,14 +182,23 @@ static int pwm_sifive_apply(struct pwm_chip *chip, struct pwm_device *pwm, + /* The hardware cannot generate a 100% duty cycle */ + frac = min(frac, (1U << PWM_SIFIVE_CMPWIDTH) - 1); + ++ mutex_lock(&ddata->lock); + if (state->period != ddata->approx_period) { +- if (ddata->user_count != 1) { ++ /* ++ * Don't let a 2nd user change the period underneath the 1st user. ++ * However if ddate->approx_period == 0 this is the first time we set ++ * any period, so let whoever gets here first set the period so other ++ * users who agree on the period won't fail. ++ */ ++ if (ddata->user_count != 1 && ddata->approx_period) { ++ mutex_unlock(&ddata->lock); + ret = -EBUSY; + goto exit; + } + ddata->approx_period = state->period; + pwm_sifive_update_clock(ddata, clk_get_rate(ddata->clk)); + } ++ mutex_unlock(&ddata->lock); + + writel(frac, ddata->regs + PWM_SIFIVE_PWMCMP(pwm->hwpwm)); + +@@ -198,7 +207,6 @@ static int pwm_sifive_apply(struct pwm_chip *chip, struct pwm_device *pwm, + + exit: + clk_disable(ddata->clk); +- mutex_unlock(&ddata->lock); + return ret; + } + +diff --git a/drivers/pwm/pwm-stm32-lp.c b/drivers/pwm/pwm-stm32-lp.c +index 3115abb3f52ab..61a1c87cd5016 100644 +--- a/drivers/pwm/pwm-stm32-lp.c ++++ b/drivers/pwm/pwm-stm32-lp.c +@@ -127,7 +127,7 @@ static int stm32_pwm_lp_apply(struct pwm_chip *chip, struct pwm_device *pwm, + + /* ensure CMP & ARR registers are properly written */ + ret = regmap_read_poll_timeout(priv->regmap, STM32_LPTIM_ISR, val, +- (val & STM32_LPTIM_CMPOK_ARROK), ++ (val & STM32_LPTIM_CMPOK_ARROK) == STM32_LPTIM_CMPOK_ARROK, + 100, 1000); + if (ret) { + dev_err(priv->chip.dev, "ARR/CMP registers write issue\n"); +diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c +index 3ee17c4d72987..f49ab45455d7c 100644 +--- a/drivers/rtc/interface.c ++++ b/drivers/rtc/interface.c +@@ -392,7 +392,7 @@ int rtc_read_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm) + return err; + if (!rtc->ops) { + err = -ENODEV; +- } else if (!test_bit(RTC_FEATURE_ALARM, rtc->features) || !rtc->ops->read_alarm) { ++ } else if (!test_bit(RTC_FEATURE_ALARM, rtc->features)) { + err = -EINVAL; + } else { + memset(alarm, 0, sizeof(struct rtc_wkalrm)); +diff --git a/drivers/rtc/rtc-sun6i.c b/drivers/rtc/rtc-sun6i.c +index c551ebf0ac00f..536bd023c4800 100644 +--- a/drivers/rtc/rtc-sun6i.c ++++ b/drivers/rtc/rtc-sun6i.c +@@ -128,7 +128,6 @@ struct sun6i_rtc_clk_data { + unsigned int fixed_prescaler : 16; + unsigned int has_prescaler : 1; + unsigned int has_out_clk : 1; +- unsigned int export_iosc : 1; + unsigned int has_losc_en : 1; + unsigned int has_auto_swt : 1; + }; +@@ -260,10 +259,8 @@ static void __init sun6i_rtc_clk_init(struct device_node *node, + /* Yes, I know, this is ugly. */ + sun6i_rtc = rtc; + +- /* Only read IOSC name from device tree if it is exported */ +- if (rtc->data->export_iosc) +- of_property_read_string_index(node, "clock-output-names", 2, +- &iosc_name); ++ of_property_read_string_index(node, "clock-output-names", 2, ++ &iosc_name); + + rtc->int_osc = clk_hw_register_fixed_rate_with_accuracy(NULL, + iosc_name, +@@ -304,13 +301,10 @@ static void __init sun6i_rtc_clk_init(struct device_node *node, + goto err_register; + } + +- clk_data->num = 2; ++ clk_data->num = 3; + clk_data->hws[0] = &rtc->hw; + clk_data->hws[1] = __clk_get_hw(rtc->ext_losc); +- if (rtc->data->export_iosc) { +- clk_data->hws[2] = rtc->int_osc; +- clk_data->num = 3; +- } ++ clk_data->hws[2] = rtc->int_osc; + of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); + return; + +@@ -350,7 +344,6 @@ static const struct sun6i_rtc_clk_data sun8i_h3_rtc_data = { + .fixed_prescaler = 32, + .has_prescaler = 1, + .has_out_clk = 1, +- .export_iosc = 1, + }; + + static void __init sun8i_h3_rtc_clk_init(struct device_node *node) +@@ -368,7 +361,6 @@ static const struct sun6i_rtc_clk_data sun50i_h6_rtc_data = { + .fixed_prescaler = 32, + .has_prescaler = 1, + .has_out_clk = 1, +- .export_iosc = 1, + .has_losc_en = 1, + .has_auto_swt = 1, + }; +diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c +index 04fb7fc012264..e5e38431c5c73 100644 +--- a/drivers/scsi/ipr.c ++++ b/drivers/scsi/ipr.c +@@ -1516,23 +1516,22 @@ static void ipr_process_ccn(struct ipr_cmnd *ipr_cmd) + } + + /** +- * strip_and_pad_whitespace - Strip and pad trailing whitespace. +- * @i: index into buffer +- * @buf: string to modify ++ * strip_whitespace - Strip and pad trailing whitespace. ++ * @i: size of buffer ++ * @buf: string to modify + * +- * This function will strip all trailing whitespace, pad the end +- * of the string with a single space, and NULL terminate the string. ++ * This function will strip all trailing whitespace and ++ * NUL terminate the string. + * +- * Return value: +- * new length of string + **/ +-static int strip_and_pad_whitespace(int i, char *buf) ++static void strip_whitespace(int i, char *buf) + { ++ if (i < 1) ++ return; ++ i--; + while (i && buf[i] == ' ') + i--; +- buf[i+1] = ' '; +- buf[i+2] = '\0'; +- return i + 2; ++ buf[i+1] = '\0'; + } + + /** +@@ -1547,19 +1546,21 @@ static int strip_and_pad_whitespace(int i, char *buf) + static void ipr_log_vpd_compact(char *prefix, struct ipr_hostrcb *hostrcb, + struct ipr_vpd *vpd) + { +- char buffer[IPR_VENDOR_ID_LEN + IPR_PROD_ID_LEN + IPR_SERIAL_NUM_LEN + 3]; +- int i = 0; ++ char vendor_id[IPR_VENDOR_ID_LEN + 1]; ++ char product_id[IPR_PROD_ID_LEN + 1]; ++ char sn[IPR_SERIAL_NUM_LEN + 1]; + +- memcpy(buffer, vpd->vpids.vendor_id, IPR_VENDOR_ID_LEN); +- i = strip_and_pad_whitespace(IPR_VENDOR_ID_LEN - 1, buffer); ++ memcpy(vendor_id, vpd->vpids.vendor_id, IPR_VENDOR_ID_LEN); ++ strip_whitespace(IPR_VENDOR_ID_LEN, vendor_id); + +- memcpy(&buffer[i], vpd->vpids.product_id, IPR_PROD_ID_LEN); +- i = strip_and_pad_whitespace(i + IPR_PROD_ID_LEN - 1, buffer); ++ memcpy(product_id, vpd->vpids.product_id, IPR_PROD_ID_LEN); ++ strip_whitespace(IPR_PROD_ID_LEN, product_id); + +- memcpy(&buffer[i], vpd->sn, IPR_SERIAL_NUM_LEN); +- buffer[IPR_SERIAL_NUM_LEN + i] = '\0'; ++ memcpy(sn, vpd->sn, IPR_SERIAL_NUM_LEN); ++ strip_whitespace(IPR_SERIAL_NUM_LEN, sn); + +- ipr_hcam_err(hostrcb, "%s VPID/SN: %s\n", prefix, buffer); ++ ipr_hcam_err(hostrcb, "%s VPID/SN: %s %s %s\n", prefix, ++ vendor_id, product_id, sn); + } + + /** +diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c +index 9e674b748e78a..90118204e21a7 100644 +--- a/drivers/scsi/mpt3sas/mpt3sas_base.c ++++ b/drivers/scsi/mpt3sas/mpt3sas_base.c +@@ -2990,19 +2990,25 @@ static int + _base_config_dma_addressing(struct MPT3SAS_ADAPTER *ioc, struct pci_dev *pdev) + { + struct sysinfo s; ++ u64 coherent_dma_mask, dma_mask; + +- if (ioc->is_mcpu_endpoint || +- sizeof(dma_addr_t) == 4 || ioc->use_32bit_dma || +- dma_get_required_mask(&pdev->dev) <= DMA_BIT_MASK(32)) ++ if (ioc->is_mcpu_endpoint || sizeof(dma_addr_t) == 4) { + ioc->dma_mask = 32; ++ coherent_dma_mask = dma_mask = DMA_BIT_MASK(32); + /* Set 63 bit DMA mask for all SAS3 and SAS35 controllers */ +- else if (ioc->hba_mpi_version_belonged > MPI2_VERSION) ++ } else if (ioc->hba_mpi_version_belonged > MPI2_VERSION) { + ioc->dma_mask = 63; +- else ++ coherent_dma_mask = dma_mask = DMA_BIT_MASK(63); ++ } else { + ioc->dma_mask = 64; ++ coherent_dma_mask = dma_mask = DMA_BIT_MASK(64); ++ } ++ ++ if (ioc->use_32bit_dma) ++ coherent_dma_mask = DMA_BIT_MASK(32); + +- if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(ioc->dma_mask)) || +- dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(ioc->dma_mask))) ++ if (dma_set_mask(&pdev->dev, dma_mask) || ++ dma_set_coherent_mask(&pdev->dev, coherent_dma_mask)) + return -ENODEV; + + if (ioc->dma_mask > 32) { +diff --git a/drivers/sh/intc/chip.c b/drivers/sh/intc/chip.c +index 358df75101860..828d81e02b37a 100644 +--- a/drivers/sh/intc/chip.c ++++ b/drivers/sh/intc/chip.c +@@ -72,7 +72,7 @@ static int intc_set_affinity(struct irq_data *data, + if (!cpumask_intersects(cpumask, cpu_online_mask)) + return -1; + +- cpumask_copy(irq_data_get_affinity_mask(data), cpumask); ++ irq_data_update_affinity(data, cpumask); + + return IRQ_SET_MASK_OK_NOCOPY; + } +diff --git a/drivers/soundwire/bus_type.c b/drivers/soundwire/bus_type.c +index 04b3529f89293..963498db0fd22 100644 +--- a/drivers/soundwire/bus_type.c ++++ b/drivers/soundwire/bus_type.c +@@ -105,20 +105,19 @@ static int sdw_drv_probe(struct device *dev) + if (ret) + return ret; + +- mutex_lock(&slave->sdw_dev_lock); +- + ret = drv->probe(slave, id); + if (ret) { + name = drv->name; + if (!name) + name = drv->driver.name; +- mutex_unlock(&slave->sdw_dev_lock); + + dev_err(dev, "Probe of %s failed: %d\n", name, ret); + dev_pm_domain_detach(dev, false); + return ret; + } + ++ mutex_lock(&slave->sdw_dev_lock); ++ + /* device is probed so let's read the properties now */ + if (drv->ops && drv->ops->read_prop) + drv->ops->read_prop(slave); +@@ -167,14 +166,12 @@ static int sdw_drv_remove(struct device *dev) + int ret = 0; + + mutex_lock(&slave->sdw_dev_lock); +- + slave->probed = false; ++ mutex_unlock(&slave->sdw_dev_lock); + + if (drv->remove) + ret = drv->remove(slave); + +- mutex_unlock(&slave->sdw_dev_lock); +- + dev_pm_domain_detach(dev, false); + + return ret; +diff --git a/drivers/soundwire/cadence_master.c b/drivers/soundwire/cadence_master.c +index 0339e6df6eb78..7b340f3832133 100644 +--- a/drivers/soundwire/cadence_master.c ++++ b/drivers/soundwire/cadence_master.c +@@ -556,6 +556,29 @@ cdns_fill_msg_resp(struct sdw_cdns *cdns, + return SDW_CMD_OK; + } + ++static void cdns_read_response(struct sdw_cdns *cdns) ++{ ++ u32 num_resp, cmd_base; ++ int i; ++ ++ /* RX_FIFO_AVAIL can be 2 entries more than the FIFO size */ ++ BUILD_BUG_ON(ARRAY_SIZE(cdns->response_buf) < CDNS_MCP_CMD_LEN + 2); ++ ++ num_resp = cdns_readl(cdns, CDNS_MCP_FIFOSTAT); ++ num_resp &= CDNS_MCP_RX_FIFO_AVAIL; ++ if (num_resp > ARRAY_SIZE(cdns->response_buf)) { ++ dev_warn(cdns->dev, "RX AVAIL %d too long\n", num_resp); ++ num_resp = ARRAY_SIZE(cdns->response_buf); ++ } ++ ++ cmd_base = CDNS_MCP_CMD_BASE; ++ ++ for (i = 0; i < num_resp; i++) { ++ cdns->response_buf[i] = cdns_readl(cdns, cmd_base); ++ cmd_base += CDNS_MCP_CMD_WORD_LEN; ++ } ++} ++ + static enum sdw_command_response + _cdns_xfer_msg(struct sdw_cdns *cdns, struct sdw_msg *msg, int cmd, + int offset, int count, bool defer) +@@ -597,6 +620,10 @@ _cdns_xfer_msg(struct sdw_cdns *cdns, struct sdw_msg *msg, int cmd, + dev_err(cdns->dev, "IO transfer timed out, cmd %d device %d addr %x len %d\n", + cmd, msg->dev_num, msg->addr, msg->len); + msg->len = 0; ++ ++ /* Drain anything in the RX_FIFO */ ++ cdns_read_response(cdns); ++ + return SDW_CMD_TIMEOUT; + } + +@@ -765,22 +792,6 @@ EXPORT_SYMBOL(cdns_reset_page_addr); + * IRQ handling + */ + +-static void cdns_read_response(struct sdw_cdns *cdns) +-{ +- u32 num_resp, cmd_base; +- int i; +- +- num_resp = cdns_readl(cdns, CDNS_MCP_FIFOSTAT); +- num_resp &= CDNS_MCP_RX_FIFO_AVAIL; +- +- cmd_base = CDNS_MCP_CMD_BASE; +- +- for (i = 0; i < num_resp; i++) { +- cdns->response_buf[i] = cdns_readl(cdns, cmd_base); +- cmd_base += CDNS_MCP_CMD_WORD_LEN; +- } +-} +- + static int cdns_update_slave_status(struct sdw_cdns *cdns, + u64 slave_intstat) + { +diff --git a/drivers/soundwire/cadence_master.h b/drivers/soundwire/cadence_master.h +index e587aede63bf0..e437a604429fa 100644 +--- a/drivers/soundwire/cadence_master.h ++++ b/drivers/soundwire/cadence_master.h +@@ -8,6 +8,12 @@ + #define SDW_CADENCE_GSYNC_KHZ 4 /* 4 kHz */ + #define SDW_CADENCE_GSYNC_HZ (SDW_CADENCE_GSYNC_KHZ * 1000) + ++/* ++ * The Cadence IP supports up to 32 entries in the FIFO, though implementations ++ * can configure the IP to have a smaller FIFO. ++ */ ++#define CDNS_MCP_IP_MAX_CMD_LEN 32 ++ + /** + * struct sdw_cdns_pdi: PDI (Physical Data Interface) instance + * +@@ -119,7 +125,12 @@ struct sdw_cdns { + struct sdw_bus bus; + unsigned int instance; + +- u32 response_buf[0x80]; ++ /* ++ * The datasheet says the RX FIFO AVAIL can be 2 entries more ++ * than the FIFO capacity, so allow for this. ++ */ ++ u32 response_buf[CDNS_MCP_IP_MAX_CMD_LEN + 2]; ++ + struct completion tx_complete; + struct sdw_defer *defer; + +diff --git a/drivers/staging/emxx_udc/emxx_udc.c b/drivers/staging/emxx_udc/emxx_udc.c +index b6abd3770e81c..edd20a03f7a26 100644 +--- a/drivers/staging/emxx_udc/emxx_udc.c ++++ b/drivers/staging/emxx_udc/emxx_udc.c +@@ -2590,10 +2590,15 @@ static int nbu2ss_ep_queue(struct usb_ep *_ep, + req->unaligned = false; + + if (req->unaligned) { +- if (!ep->virt_buf) ++ if (!ep->virt_buf) { + ep->virt_buf = dma_alloc_coherent(udc->dev, PAGE_SIZE, + &ep->phys_buf, + GFP_ATOMIC | GFP_DMA); ++ if (!ep->virt_buf) { ++ spin_unlock_irqrestore(&udc->lock, flags); ++ return -ENOMEM; ++ } ++ } + if (ep->epnum > 0) { + if (ep->direct == USB_DIR_IN) + memcpy(ep->virt_buf, req->req.buf, +diff --git a/drivers/thermal/intel/Kconfig b/drivers/thermal/intel/Kconfig +index c83ea5d04a1da..e0d65e450c89e 100644 +--- a/drivers/thermal/intel/Kconfig ++++ b/drivers/thermal/intel/Kconfig +@@ -64,7 +64,8 @@ endmenu + + config INTEL_BXT_PMIC_THERMAL + tristate "Intel Broxton PMIC thermal driver" +- depends on X86 && INTEL_SOC_PMIC_BXTWC && REGMAP ++ depends on X86 && INTEL_SOC_PMIC_BXTWC ++ select REGMAP + help + Select this driver for Intel Broxton PMIC with ADC channels monitoring + system temperature measurements and alerts. +diff --git a/drivers/thermal/intel/intel_quark_dts_thermal.c b/drivers/thermal/intel/intel_quark_dts_thermal.c +index 3eafc6b0e6c30..b43fbd5eaa6b4 100644 +--- a/drivers/thermal/intel/intel_quark_dts_thermal.c ++++ b/drivers/thermal/intel/intel_quark_dts_thermal.c +@@ -415,22 +415,14 @@ MODULE_DEVICE_TABLE(x86cpu, qrk_thermal_ids); + + static int __init intel_quark_thermal_init(void) + { +- int err = 0; +- + if (!x86_match_cpu(qrk_thermal_ids) || !iosf_mbi_available()) + return -ENODEV; + + soc_dts = alloc_soc_dts(); +- if (IS_ERR(soc_dts)) { +- err = PTR_ERR(soc_dts); +- goto err_free; +- } ++ if (IS_ERR(soc_dts)) ++ return PTR_ERR(soc_dts); + + return 0; +- +-err_free: +- free_soc_dts(soc_dts); +- return err; + } + + static void __exit intel_quark_thermal_exit(void) +diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c +index f4d9dc4648da4..8a1d5c5d4c09f 100644 +--- a/drivers/tty/serial/fsl_lpuart.c ++++ b/drivers/tty/serial/fsl_lpuart.c +@@ -1484,12 +1484,32 @@ static void lpuart_break_ctl(struct uart_port *port, int break_state) + + static void lpuart32_break_ctl(struct uart_port *port, int break_state) + { +- unsigned long temp; ++ unsigned long temp, modem; ++ struct tty_struct *tty; ++ unsigned int cflag = 0; ++ ++ tty = tty_port_tty_get(&port->state->port); ++ if (tty) { ++ cflag = tty->termios.c_cflag; ++ tty_kref_put(tty); ++ } + + temp = lpuart32_read(port, UARTCTRL) & ~UARTCTRL_SBK; ++ modem = lpuart32_read(port, UARTMODIR); + +- if (break_state != 0) ++ if (break_state != 0) { + temp |= UARTCTRL_SBK; ++ /* ++ * LPUART CTS has higher priority than SBK, need to disable CTS before ++ * asserting SBK to avoid any interference if flow control is enabled. ++ */ ++ if (cflag & CRTSCTS && modem & UARTMODIR_TXCTSE) ++ lpuart32_write(port, modem & ~UARTMODIR_TXCTSE, UARTMODIR); ++ } else { ++ /* Re-enable the CTS when break off. */ ++ if (cflag & CRTSCTS && !(modem & UARTMODIR_TXCTSE)) ++ lpuart32_write(port, modem | UARTMODIR_TXCTSE, UARTMODIR); ++ } + + lpuart32_write(port, temp, UARTCTRL); + } +diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c +index 49bc5a4b28327..e783a4225bf04 100644 +--- a/drivers/tty/serial/pch_uart.c ++++ b/drivers/tty/serial/pch_uart.c +@@ -1821,7 +1821,7 @@ static void pch_uart_exit_port(struct eg20t_port *priv) + char name[32]; + + snprintf(name, sizeof(name), "uart%d_regs", priv->port.line); +- debugfs_remove(debugfs_lookup(name, NULL)); ++ debugfs_lookup_and_remove(name, NULL); + uart_remove_one_port(&pch_uart_driver, &priv->port); + free_page((unsigned long)priv->rxbuf.buf); + } +diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c +index 0ab788058fa2a..b57cf8ddbf63b 100644 +--- a/drivers/tty/serial/sc16is7xx.c ++++ b/drivers/tty/serial/sc16is7xx.c +@@ -1245,25 +1245,6 @@ static int sc16is7xx_probe(struct device *dev, + } + sched_set_fifo(s->kworker_task); + +-#ifdef CONFIG_GPIOLIB +- if (devtype->nr_gpio) { +- /* Setup GPIO cotroller */ +- s->gpio.owner = THIS_MODULE; +- s->gpio.parent = dev; +- s->gpio.label = dev_name(dev); +- s->gpio.direction_input = sc16is7xx_gpio_direction_input; +- s->gpio.get = sc16is7xx_gpio_get; +- s->gpio.direction_output = sc16is7xx_gpio_direction_output; +- s->gpio.set = sc16is7xx_gpio_set; +- s->gpio.base = -1; +- s->gpio.ngpio = devtype->nr_gpio; +- s->gpio.can_sleep = 1; +- ret = gpiochip_add_data(&s->gpio, s); +- if (ret) +- goto out_thread; +- } +-#endif +- + /* reset device, purging any pending irq / data */ + regmap_write(s->regmap, SC16IS7XX_IOCONTROL_REG << SC16IS7XX_REG_SHIFT, + SC16IS7XX_IOCONTROL_SRESET_BIT); +@@ -1329,6 +1310,25 @@ static int sc16is7xx_probe(struct device *dev, + s->p[u].irda_mode = true; + } + ++#ifdef CONFIG_GPIOLIB ++ if (devtype->nr_gpio) { ++ /* Setup GPIO cotroller */ ++ s->gpio.owner = THIS_MODULE; ++ s->gpio.parent = dev; ++ s->gpio.label = dev_name(dev); ++ s->gpio.direction_input = sc16is7xx_gpio_direction_input; ++ s->gpio.get = sc16is7xx_gpio_get; ++ s->gpio.direction_output = sc16is7xx_gpio_direction_output; ++ s->gpio.set = sc16is7xx_gpio_set; ++ s->gpio.base = -1; ++ s->gpio.ngpio = devtype->nr_gpio; ++ s->gpio.can_sleep = 1; ++ ret = gpiochip_add_data(&s->gpio, s); ++ if (ret) ++ goto out_thread; ++ } ++#endif ++ + /* + * Setup interrupt. We first try to acquire the IRQ line as level IRQ. + * If that succeeds, we can allow sharing the interrupt as well. +@@ -1348,18 +1348,19 @@ static int sc16is7xx_probe(struct device *dev, + if (!ret) + return 0; + +-out_ports: +- for (i--; i >= 0; i--) { +- uart_remove_one_port(&sc16is7xx_uart, &s->p[i].port); +- clear_bit(s->p[i].port.line, &sc16is7xx_lines); +- } +- + #ifdef CONFIG_GPIOLIB + if (devtype->nr_gpio) + gpiochip_remove(&s->gpio); + + out_thread: + #endif ++ ++out_ports: ++ for (i--; i >= 0; i--) { ++ uart_remove_one_port(&sc16is7xx_uart, &s->p[i].port); ++ clear_bit(s->p[i].port.line, &sc16is7xx_lines); ++ } ++ + kthread_stop(s->kworker_task); + + out_clk: +diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c +index 6616d4a0d41de..64dd6439d1797 100644 +--- a/drivers/tty/tty_io.c ++++ b/drivers/tty/tty_io.c +@@ -1244,14 +1244,16 @@ static struct tty_struct *tty_driver_lookup_tty(struct tty_driver *driver, + { + struct tty_struct *tty; + +- if (driver->ops->lookup) ++ if (driver->ops->lookup) { + if (!file) + tty = ERR_PTR(-EIO); + else + tty = driver->ops->lookup(driver, file, idx); +- else ++ } else { ++ if (idx >= driver->num) ++ return ERR_PTR(-EINVAL); + tty = driver->ttys[idx]; +- ++ } + if (!IS_ERR(tty)) + tty_kref_get(tty); + return tty; +diff --git a/drivers/tty/vt/vc_screen.c b/drivers/tty/vt/vc_screen.c +index 71e091f879f0e..1dc07f9214d57 100644 +--- a/drivers/tty/vt/vc_screen.c ++++ b/drivers/tty/vt/vc_screen.c +@@ -415,10 +415,8 @@ vcs_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) + */ + size = vcs_size(vc, attr, uni_mode); + if (size < 0) { +- if (read) +- break; + ret = size; +- goto unlock_out; ++ break; + } + if (pos >= size) + break; +diff --git a/drivers/usb/chipidea/debug.c b/drivers/usb/chipidea/debug.c +index faf6b078b6c44..bbc610e5bd69c 100644 +--- a/drivers/usb/chipidea/debug.c ++++ b/drivers/usb/chipidea/debug.c +@@ -364,5 +364,5 @@ void dbg_create_files(struct ci_hdrc *ci) + */ + void dbg_remove_files(struct ci_hdrc *ci) + { +- debugfs_remove(debugfs_lookup(dev_name(ci->dev), usb_debug_root)); ++ debugfs_lookup_and_remove(dev_name(ci->dev), usb_debug_root); + } +diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c +index 62368c4ed37af..cc36f9f228148 100644 +--- a/drivers/usb/core/usb.c ++++ b/drivers/usb/core/usb.c +@@ -1036,7 +1036,7 @@ static void usb_debugfs_init(void) + + static void usb_debugfs_cleanup(void) + { +- debugfs_remove(debugfs_lookup("devices", usb_debug_root)); ++ debugfs_lookup_and_remove("devices", usb_debug_root); + } + + /* +diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h +index e82e4cbe4ec70..725653711411d 100644 +--- a/drivers/usb/dwc3/core.h ++++ b/drivers/usb/dwc3/core.h +@@ -1092,6 +1092,7 @@ struct dwc3_scratchpad_array { + * address. + * @num_ep_resized: carries the current number endpoints which have had its tx + * fifo resized. ++ * @debug_root: root debugfs directory for this device to put its files in. + */ + struct dwc3 { + struct work_struct drd_work; +@@ -1303,6 +1304,7 @@ struct dwc3 { + int max_cfg_eps; + int last_fifo_depth; + int num_ep_resized; ++ struct dentry *debug_root; + }; + + #define INCRX_BURST_MODE 0 +diff --git a/drivers/usb/dwc3/debug.h b/drivers/usb/dwc3/debug.h +index d223c54115f4a..01d0366bf93ae 100644 +--- a/drivers/usb/dwc3/debug.h ++++ b/drivers/usb/dwc3/debug.h +@@ -414,11 +414,14 @@ static inline const char *dwc3_gadget_generic_cmd_status_string(int status) + + #ifdef CONFIG_DEBUG_FS + extern void dwc3_debugfs_create_endpoint_dir(struct dwc3_ep *dep); ++extern void dwc3_debugfs_remove_endpoint_dir(struct dwc3_ep *dep); + extern void dwc3_debugfs_init(struct dwc3 *d); + extern void dwc3_debugfs_exit(struct dwc3 *d); + #else + static inline void dwc3_debugfs_create_endpoint_dir(struct dwc3_ep *dep) + { } ++static inline void dwc3_debugfs_remove_endpoint_dir(struct dwc3_ep *dep) ++{ } + static inline void dwc3_debugfs_init(struct dwc3 *d) + { } + static inline void dwc3_debugfs_exit(struct dwc3 *d) +diff --git a/drivers/usb/dwc3/debugfs.c b/drivers/usb/dwc3/debugfs.c +index f2b7675c7f621..850df0e6bcabf 100644 +--- a/drivers/usb/dwc3/debugfs.c ++++ b/drivers/usb/dwc3/debugfs.c +@@ -873,27 +873,23 @@ static const struct dwc3_ep_file_map dwc3_ep_file_map[] = { + { "GDBGEPINFO", &dwc3_ep_info_register_fops, }, + }; + +-static void dwc3_debugfs_create_endpoint_files(struct dwc3_ep *dep, +- struct dentry *parent) ++void dwc3_debugfs_create_endpoint_dir(struct dwc3_ep *dep) + { ++ struct dentry *dir; + int i; + ++ dir = debugfs_create_dir(dep->name, dep->dwc->debug_root); + for (i = 0; i < ARRAY_SIZE(dwc3_ep_file_map); i++) { + const struct file_operations *fops = dwc3_ep_file_map[i].fops; + const char *name = dwc3_ep_file_map[i].name; + +- debugfs_create_file(name, 0444, parent, dep, fops); ++ debugfs_create_file(name, 0444, dir, dep, fops); + } + } + +-void dwc3_debugfs_create_endpoint_dir(struct dwc3_ep *dep) ++void dwc3_debugfs_remove_endpoint_dir(struct dwc3_ep *dep) + { +- struct dentry *dir; +- struct dentry *root; +- +- root = debugfs_lookup(dev_name(dep->dwc->dev), usb_debug_root); +- dir = debugfs_create_dir(dep->name, root); +- dwc3_debugfs_create_endpoint_files(dep, dir); ++ debugfs_lookup_and_remove(dep->name, dep->dwc->debug_root); + } + + void dwc3_debugfs_init(struct dwc3 *dwc) +@@ -911,6 +907,7 @@ void dwc3_debugfs_init(struct dwc3 *dwc) + dwc->regset->base = dwc->regs - DWC3_GLOBALS_REGS_START; + + root = debugfs_create_dir(dev_name(dwc->dev), usb_debug_root); ++ dwc->debug_root = root; + debugfs_create_regset32("regdump", 0444, root, dwc->regset); + debugfs_create_file("lsp_dump", 0644, root, dwc, &dwc3_lsp_fops); + +@@ -929,6 +926,6 @@ void dwc3_debugfs_init(struct dwc3 *dwc) + + void dwc3_debugfs_exit(struct dwc3 *dwc) + { +- debugfs_remove(debugfs_lookup(dev_name(dwc->dev), usb_debug_root)); ++ debugfs_lookup_and_remove(dev_name(dwc->dev), usb_debug_root); + kfree(dwc->regset); + } +diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c +index 4812ba4bbedd7..a0100d26de8e1 100644 +--- a/drivers/usb/dwc3/gadget.c ++++ b/drivers/usb/dwc3/gadget.c +@@ -3081,9 +3081,7 @@ static void dwc3_gadget_free_endpoints(struct dwc3 *dwc) + list_del(&dep->endpoint.ep_list); + } + +- debugfs_remove_recursive(debugfs_lookup(dep->name, +- debugfs_lookup(dev_name(dep->dwc->dev), +- usb_debug_root))); ++ dwc3_debugfs_remove_endpoint_dir(dep); + kfree(dep); + } + } +diff --git a/drivers/usb/gadget/function/uvc_configfs.c b/drivers/usb/gadget/function/uvc_configfs.c +index 77d64031aa9c2..b553dca9246e2 100644 +--- a/drivers/usb/gadget/function/uvc_configfs.c ++++ b/drivers/usb/gadget/function/uvc_configfs.c +@@ -505,11 +505,68 @@ UVC_ATTR_RO(uvcg_default_output_, cname, aname) + UVCG_DEFAULT_OUTPUT_ATTR(b_terminal_id, bTerminalID, 8); + UVCG_DEFAULT_OUTPUT_ATTR(w_terminal_type, wTerminalType, 16); + UVCG_DEFAULT_OUTPUT_ATTR(b_assoc_terminal, bAssocTerminal, 8); +-UVCG_DEFAULT_OUTPUT_ATTR(b_source_id, bSourceID, 8); + UVCG_DEFAULT_OUTPUT_ATTR(i_terminal, iTerminal, 8); + + #undef UVCG_DEFAULT_OUTPUT_ATTR + ++static ssize_t uvcg_default_output_b_source_id_show(struct config_item *item, ++ char *page) ++{ ++ struct config_group *group = to_config_group(item); ++ struct f_uvc_opts *opts; ++ struct config_item *opts_item; ++ struct mutex *su_mutex = &group->cg_subsys->su_mutex; ++ struct uvc_output_terminal_descriptor *cd; ++ int result; ++ ++ mutex_lock(su_mutex); /* for navigating configfs hierarchy */ ++ ++ opts_item = group->cg_item.ci_parent->ci_parent-> ++ ci_parent->ci_parent; ++ opts = to_f_uvc_opts(opts_item); ++ cd = &opts->uvc_output_terminal; ++ ++ mutex_lock(&opts->lock); ++ result = sprintf(page, "%u\n", le8_to_cpu(cd->bSourceID)); ++ mutex_unlock(&opts->lock); ++ ++ mutex_unlock(su_mutex); ++ ++ return result; ++} ++ ++static ssize_t uvcg_default_output_b_source_id_store(struct config_item *item, ++ const char *page, size_t len) ++{ ++ struct config_group *group = to_config_group(item); ++ struct f_uvc_opts *opts; ++ struct config_item *opts_item; ++ struct mutex *su_mutex = &group->cg_subsys->su_mutex; ++ struct uvc_output_terminal_descriptor *cd; ++ int result; ++ u8 num; ++ ++ result = kstrtou8(page, 0, &num); ++ if (result) ++ return result; ++ ++ mutex_lock(su_mutex); /* for navigating configfs hierarchy */ ++ ++ opts_item = group->cg_item.ci_parent->ci_parent-> ++ ci_parent->ci_parent; ++ opts = to_f_uvc_opts(opts_item); ++ cd = &opts->uvc_output_terminal; ++ ++ mutex_lock(&opts->lock); ++ cd->bSourceID = num; ++ mutex_unlock(&opts->lock); ++ ++ mutex_unlock(su_mutex); ++ ++ return len; ++} ++UVC_ATTR(uvcg_default_output_, b_source_id, bSourceID); ++ + static struct configfs_attribute *uvcg_default_output_attrs[] = { + &uvcg_default_output_attr_b_terminal_id, + &uvcg_default_output_attr_w_terminal_type, +diff --git a/drivers/usb/gadget/udc/bcm63xx_udc.c b/drivers/usb/gadget/udc/bcm63xx_udc.c +index a9f07c59fc377..5c7dff6bc638f 100644 +--- a/drivers/usb/gadget/udc/bcm63xx_udc.c ++++ b/drivers/usb/gadget/udc/bcm63xx_udc.c +@@ -2259,7 +2259,7 @@ static void bcm63xx_udc_init_debugfs(struct bcm63xx_udc *udc) + */ + static void bcm63xx_udc_cleanup_debugfs(struct bcm63xx_udc *udc) + { +- debugfs_remove(debugfs_lookup(udc->gadget.name, usb_debug_root)); ++ debugfs_lookup_and_remove(udc->gadget.name, usb_debug_root); + } + + /*********************************************************************** +diff --git a/drivers/usb/gadget/udc/gr_udc.c b/drivers/usb/gadget/udc/gr_udc.c +index 4b35739d36951..d1febde6f2c4a 100644 +--- a/drivers/usb/gadget/udc/gr_udc.c ++++ b/drivers/usb/gadget/udc/gr_udc.c +@@ -215,7 +215,7 @@ static void gr_dfs_create(struct gr_udc *dev) + + static void gr_dfs_delete(struct gr_udc *dev) + { +- debugfs_remove(debugfs_lookup(dev_name(dev->dev), usb_debug_root)); ++ debugfs_lookup_and_remove(dev_name(dev->dev), usb_debug_root); + } + + #else /* !CONFIG_USB_GADGET_DEBUG_FS */ +diff --git a/drivers/usb/gadget/udc/lpc32xx_udc.c b/drivers/usb/gadget/udc/lpc32xx_udc.c +index 865de8db998a9..ec0d3d74d66e2 100644 +--- a/drivers/usb/gadget/udc/lpc32xx_udc.c ++++ b/drivers/usb/gadget/udc/lpc32xx_udc.c +@@ -532,7 +532,7 @@ static void create_debug_file(struct lpc32xx_udc *udc) + + static void remove_debug_file(struct lpc32xx_udc *udc) + { +- debugfs_remove(debugfs_lookup(debug_filename, NULL)); ++ debugfs_lookup_and_remove(debug_filename, NULL); + } + + #else +diff --git a/drivers/usb/gadget/udc/pxa25x_udc.c b/drivers/usb/gadget/udc/pxa25x_udc.c +index a09ec1d826b21..e4d2ab5768ba2 100644 +--- a/drivers/usb/gadget/udc/pxa25x_udc.c ++++ b/drivers/usb/gadget/udc/pxa25x_udc.c +@@ -1341,7 +1341,7 @@ DEFINE_SHOW_ATTRIBUTE(udc_debug); + debugfs_create_file(dev->gadget.name, \ + S_IRUGO, NULL, dev, &udc_debug_fops); \ + } while (0) +-#define remove_debug_files(dev) debugfs_remove(debugfs_lookup(dev->gadget.name, NULL)) ++#define remove_debug_files(dev) debugfs_lookup_and_remove(dev->gadget.name, NULL) + + #else /* !CONFIG_USB_GADGET_DEBUG_FILES */ + +diff --git a/drivers/usb/gadget/udc/pxa27x_udc.c b/drivers/usb/gadget/udc/pxa27x_udc.c +index f4b7a2a3e7114..282b114f382f8 100644 +--- a/drivers/usb/gadget/udc/pxa27x_udc.c ++++ b/drivers/usb/gadget/udc/pxa27x_udc.c +@@ -215,7 +215,7 @@ static void pxa_init_debugfs(struct pxa_udc *udc) + + static void pxa_cleanup_debugfs(struct pxa_udc *udc) + { +- debugfs_remove(debugfs_lookup(udc->gadget.name, usb_debug_root)); ++ debugfs_lookup_and_remove(udc->gadget.name, usb_debug_root); + } + + #else +diff --git a/drivers/usb/host/fotg210-hcd.c b/drivers/usb/host/fotg210-hcd.c +index 4b02ace09f3dc..d9a3fd8af7a01 100644 +--- a/drivers/usb/host/fotg210-hcd.c ++++ b/drivers/usb/host/fotg210-hcd.c +@@ -862,7 +862,7 @@ static inline void remove_debug_files(struct fotg210_hcd *fotg210) + { + struct usb_bus *bus = &fotg210_to_hcd(fotg210)->self; + +- debugfs_remove(debugfs_lookup(bus->bus_name, fotg210_debug_root)); ++ debugfs_lookup_and_remove(bus->bus_name, fotg210_debug_root); + } + + /* handshake - spin reading hc until handshake completes or fails +diff --git a/drivers/usb/host/isp116x-hcd.c b/drivers/usb/host/isp116x-hcd.c +index 8c7f0991c21b5..9c3e12f2f25d8 100644 +--- a/drivers/usb/host/isp116x-hcd.c ++++ b/drivers/usb/host/isp116x-hcd.c +@@ -1206,7 +1206,7 @@ static void create_debug_file(struct isp116x *isp116x) + + static void remove_debug_file(struct isp116x *isp116x) + { +- debugfs_remove(debugfs_lookup(hcd_name, usb_debug_root)); ++ debugfs_lookup_and_remove(hcd_name, usb_debug_root); + } + + #else +diff --git a/drivers/usb/host/isp1362-hcd.c b/drivers/usb/host/isp1362-hcd.c +index d8610ce8f2ecd..bc68669dfc50c 100644 +--- a/drivers/usb/host/isp1362-hcd.c ++++ b/drivers/usb/host/isp1362-hcd.c +@@ -2170,7 +2170,7 @@ static void create_debug_file(struct isp1362_hcd *isp1362_hcd) + + static void remove_debug_file(struct isp1362_hcd *isp1362_hcd) + { +- debugfs_remove(debugfs_lookup("isp1362", usb_debug_root)); ++ debugfs_lookup_and_remove("isp1362", usb_debug_root); + } + + /*-------------------------------------------------------------------------*/ +diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c +index 85623731a5162..825ff67273102 100644 +--- a/drivers/usb/host/sl811-hcd.c ++++ b/drivers/usb/host/sl811-hcd.c +@@ -1501,7 +1501,7 @@ static void create_debug_file(struct sl811 *sl811) + + static void remove_debug_file(struct sl811 *sl811) + { +- debugfs_remove(debugfs_lookup("sl811h", usb_debug_root)); ++ debugfs_lookup_and_remove("sl811h", usb_debug_root); + } + + /*-------------------------------------------------------------------------*/ +diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c +index d90b869f5f409..d138f62ce84d7 100644 +--- a/drivers/usb/host/uhci-hcd.c ++++ b/drivers/usb/host/uhci-hcd.c +@@ -536,8 +536,8 @@ static void release_uhci(struct uhci_hcd *uhci) + uhci->is_initialized = 0; + spin_unlock_irq(&uhci->lock); + +- debugfs_remove(debugfs_lookup(uhci_to_hcd(uhci)->self.bus_name, +- uhci_debugfs_root)); ++ debugfs_lookup_and_remove(uhci_to_hcd(uhci)->self.bus_name, ++ uhci_debugfs_root); + + for (i = 0; i < UHCI_NUM_SKELQH; i++) + uhci_free_qh(uhci, uhci->skelqh[i]); +@@ -700,7 +700,7 @@ err_alloc_frame_cpu: + uhci->frame, uhci->frame_dma_handle); + + err_alloc_frame: +- debugfs_remove(debugfs_lookup(hcd->self.bus_name, uhci_debugfs_root)); ++ debugfs_lookup_and_remove(hcd->self.bus_name, uhci_debugfs_root); + + return retval; + } +diff --git a/drivers/usb/host/xhci-mvebu.c b/drivers/usb/host/xhci-mvebu.c +index 8ca1a235d1645..eabccf25796b2 100644 +--- a/drivers/usb/host/xhci-mvebu.c ++++ b/drivers/usb/host/xhci-mvebu.c +@@ -33,7 +33,7 @@ static void xhci_mvebu_mbus_config(void __iomem *base, + + /* Program each DRAM CS in a seperate window */ + for (win = 0; win < dram->num_cs; win++) { +- const struct mbus_dram_window *cs = dram->cs + win; ++ const struct mbus_dram_window *cs = &dram->cs[win]; + + writel(((cs->size - 1) & 0xffff0000) | (cs->mbus_attr << 8) | + (dram->mbus_dram_target_id << 4) | 1, +diff --git a/drivers/usb/storage/ene_ub6250.c b/drivers/usb/storage/ene_ub6250.c +index 6012603f3630e..97c66c0d91f4d 100644 +--- a/drivers/usb/storage/ene_ub6250.c ++++ b/drivers/usb/storage/ene_ub6250.c +@@ -939,7 +939,7 @@ static int ms_lib_process_bootblock(struct us_data *us, u16 PhyBlock, u8 *PageDa + struct ms_lib_type_extdat ExtraData; + struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra; + +- PageBuffer = kmalloc(MS_BYTES_PER_PAGE, GFP_KERNEL); ++ PageBuffer = kzalloc(MS_BYTES_PER_PAGE * 2, GFP_KERNEL); + if (PageBuffer == NULL) + return (u32)-1; + +diff --git a/drivers/watchdog/at91sam9_wdt.c b/drivers/watchdog/at91sam9_wdt.c +index 292b5a1ca8318..fed7be2464420 100644 +--- a/drivers/watchdog/at91sam9_wdt.c ++++ b/drivers/watchdog/at91sam9_wdt.c +@@ -206,10 +206,9 @@ static int at91_wdt_init(struct platform_device *pdev, struct at91wdt *wdt) + "min heartbeat and max heartbeat might be too close for the system to handle it correctly\n"); + + if ((tmp & AT91_WDT_WDFIEN) && wdt->irq) { +- err = request_irq(wdt->irq, wdt_interrupt, +- IRQF_SHARED | IRQF_IRQPOLL | +- IRQF_NO_SUSPEND, +- pdev->name, wdt); ++ err = devm_request_irq(dev, wdt->irq, wdt_interrupt, ++ IRQF_SHARED | IRQF_IRQPOLL | IRQF_NO_SUSPEND, ++ pdev->name, wdt); + if (err) + return err; + } +diff --git a/drivers/watchdog/pcwd_usb.c b/drivers/watchdog/pcwd_usb.c +index 1bdaf17c1d38d..8202f0a6b0935 100644 +--- a/drivers/watchdog/pcwd_usb.c ++++ b/drivers/watchdog/pcwd_usb.c +@@ -325,7 +325,8 @@ static int usb_pcwd_set_heartbeat(struct usb_pcwd_private *usb_pcwd, int t) + static int usb_pcwd_get_temperature(struct usb_pcwd_private *usb_pcwd, + int *temperature) + { +- unsigned char msb, lsb; ++ unsigned char msb = 0x00; ++ unsigned char lsb = 0x00; + + usb_pcwd_send_command(usb_pcwd, CMD_READ_TEMP, &msb, &lsb); + +@@ -341,7 +342,8 @@ static int usb_pcwd_get_temperature(struct usb_pcwd_private *usb_pcwd, + static int usb_pcwd_get_timeleft(struct usb_pcwd_private *usb_pcwd, + int *time_left) + { +- unsigned char msb, lsb; ++ unsigned char msb = 0x00; ++ unsigned char lsb = 0x00; + + /* Read the time that's left before rebooting */ + /* Note: if the board is not yet armed then we will read 0xFFFF */ +diff --git a/drivers/watchdog/sbsa_gwdt.c b/drivers/watchdog/sbsa_gwdt.c +index 9791c74aebd48..63862803421f1 100644 +--- a/drivers/watchdog/sbsa_gwdt.c ++++ b/drivers/watchdog/sbsa_gwdt.c +@@ -150,6 +150,7 @@ static int sbsa_gwdt_set_timeout(struct watchdog_device *wdd, + struct sbsa_gwdt *gwdt = watchdog_get_drvdata(wdd); + + wdd->timeout = timeout; ++ timeout = clamp_t(unsigned int, timeout, 1, wdd->max_hw_heartbeat_ms / 1000); + + if (action) + sbsa_gwdt_reg_write(gwdt->clk * timeout, gwdt); +diff --git a/drivers/watchdog/watchdog_dev.c b/drivers/watchdog/watchdog_dev.c +index 3a3d8b5c7ad59..5eec84fa65170 100644 +--- a/drivers/watchdog/watchdog_dev.c ++++ b/drivers/watchdog/watchdog_dev.c +@@ -1044,8 +1044,8 @@ static int watchdog_cdev_register(struct watchdog_device *wdd) + if (wdd->id == 0) { + misc_deregister(&watchdog_miscdev); + old_wd_data = NULL; +- put_device(&wd_data->dev); + } ++ put_device(&wd_data->dev); + return err; + } + +diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c +index 46d9295d9a6e4..5e8321f43cbdd 100644 +--- a/drivers/xen/events/events_base.c ++++ b/drivers/xen/events/events_base.c +@@ -528,9 +528,10 @@ static void bind_evtchn_to_cpu(evtchn_port_t evtchn, unsigned int cpu, + BUG_ON(irq == -1); + + if (IS_ENABLED(CONFIG_SMP) && force_affinity) { +- cpumask_copy(irq_get_affinity_mask(irq), cpumask_of(cpu)); +- cpumask_copy(irq_get_effective_affinity_mask(irq), +- cpumask_of(cpu)); ++ struct irq_data *data = irq_get_irq_data(irq); ++ ++ irq_data_update_affinity(data, cpumask_of(cpu)); ++ irq_data_update_effective_affinity(data, cpumask_of(cpu)); + } + + xen_evtchn_port_bind_to_cpu(evtchn, cpu, info->cpu); +diff --git a/fs/ext4/fast_commit.c b/fs/ext4/fast_commit.c +index a8d0a8081a1da..2660c34c770e3 100644 +--- a/fs/ext4/fast_commit.c ++++ b/fs/ext4/fast_commit.c +@@ -1282,8 +1282,14 @@ struct dentry_info_args { + char *dname; + }; + ++/* Same as struct ext4_fc_tl, but uses native endianness fields */ ++struct ext4_fc_tl_mem { ++ u16 fc_tag; ++ u16 fc_len; ++}; ++ + static inline void tl_to_darg(struct dentry_info_args *darg, +- struct ext4_fc_tl *tl, u8 *val) ++ struct ext4_fc_tl_mem *tl, u8 *val) + { + struct ext4_fc_dentry_info fcd; + +@@ -1295,16 +1301,18 @@ static inline void tl_to_darg(struct dentry_info_args *darg, + darg->dname_len = tl->fc_len - sizeof(struct ext4_fc_dentry_info); + } + +-static inline void ext4_fc_get_tl(struct ext4_fc_tl *tl, u8 *val) ++static inline void ext4_fc_get_tl(struct ext4_fc_tl_mem *tl, u8 *val) + { +- memcpy(tl, val, EXT4_FC_TAG_BASE_LEN); +- tl->fc_len = le16_to_cpu(tl->fc_len); +- tl->fc_tag = le16_to_cpu(tl->fc_tag); ++ struct ext4_fc_tl tl_disk; ++ ++ memcpy(&tl_disk, val, EXT4_FC_TAG_BASE_LEN); ++ tl->fc_len = le16_to_cpu(tl_disk.fc_len); ++ tl->fc_tag = le16_to_cpu(tl_disk.fc_tag); + } + + /* Unlink replay function */ +-static int ext4_fc_replay_unlink(struct super_block *sb, struct ext4_fc_tl *tl, +- u8 *val) ++static int ext4_fc_replay_unlink(struct super_block *sb, ++ struct ext4_fc_tl_mem *tl, u8 *val) + { + struct inode *inode, *old_parent; + struct qstr entry; +@@ -1401,8 +1409,8 @@ out: + } + + /* Link replay function */ +-static int ext4_fc_replay_link(struct super_block *sb, struct ext4_fc_tl *tl, +- u8 *val) ++static int ext4_fc_replay_link(struct super_block *sb, ++ struct ext4_fc_tl_mem *tl, u8 *val) + { + struct inode *inode; + struct dentry_info_args darg; +@@ -1456,8 +1464,8 @@ static int ext4_fc_record_modified_inode(struct super_block *sb, int ino) + /* + * Inode replay function + */ +-static int ext4_fc_replay_inode(struct super_block *sb, struct ext4_fc_tl *tl, +- u8 *val) ++static int ext4_fc_replay_inode(struct super_block *sb, ++ struct ext4_fc_tl_mem *tl, u8 *val) + { + struct ext4_fc_inode fc_inode; + struct ext4_inode *raw_inode; +@@ -1557,8 +1565,8 @@ out: + * inode for which we are trying to create a dentry here, should already have + * been replayed before we start here. + */ +-static int ext4_fc_replay_create(struct super_block *sb, struct ext4_fc_tl *tl, +- u8 *val) ++static int ext4_fc_replay_create(struct super_block *sb, ++ struct ext4_fc_tl_mem *tl, u8 *val) + { + int ret = 0; + struct inode *inode = NULL; +@@ -1657,7 +1665,7 @@ int ext4_fc_record_regions(struct super_block *sb, int ino, + + /* Replay add range tag */ + static int ext4_fc_replay_add_range(struct super_block *sb, +- struct ext4_fc_tl *tl, u8 *val) ++ struct ext4_fc_tl_mem *tl, u8 *val) + { + struct ext4_fc_add_range fc_add_ex; + struct ext4_extent newex, *ex; +@@ -1778,8 +1786,8 @@ out: + + /* Replay DEL_RANGE tag */ + static int +-ext4_fc_replay_del_range(struct super_block *sb, struct ext4_fc_tl *tl, +- u8 *val) ++ext4_fc_replay_del_range(struct super_block *sb, ++ struct ext4_fc_tl_mem *tl, u8 *val) + { + struct inode *inode; + struct ext4_fc_del_range lrange; +@@ -1972,7 +1980,7 @@ static int ext4_fc_replay_scan(journal_t *journal, + struct ext4_fc_replay_state *state; + int ret = JBD2_FC_REPLAY_CONTINUE; + struct ext4_fc_add_range ext; +- struct ext4_fc_tl tl; ++ struct ext4_fc_tl_mem tl; + struct ext4_fc_tail tail; + __u8 *start, *end, *cur, *val; + struct ext4_fc_head head; +@@ -2091,7 +2099,7 @@ static int ext4_fc_replay(journal_t *journal, struct buffer_head *bh, + { + struct super_block *sb = journal->j_private; + struct ext4_sb_info *sbi = EXT4_SB(sb); +- struct ext4_fc_tl tl; ++ struct ext4_fc_tl_mem tl; + __u8 *start, *end, *cur, *val; + int ret = JBD2_FC_REPLAY_CONTINUE; + struct ext4_fc_replay_state *state = &sbi->s_fc_replay_state; +diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c +index 758048a885d24..326c1a4c2a6ac 100644 +--- a/fs/f2fs/file.c ++++ b/fs/f2fs/file.c +@@ -3928,7 +3928,7 @@ static int f2fs_ioc_set_compress_option(struct file *filp, unsigned long arg) + goto out; + } + +- if (inode->i_size != 0) { ++ if (F2FS_HAS_BLOCKS(inode)) { + ret = -EFBIG; + goto out; + } +diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c +index 480d5f76491db..bce1c2ae6d153 100644 +--- a/fs/f2fs/inline.c ++++ b/fs/f2fs/inline.c +@@ -64,7 +64,6 @@ bool f2fs_may_inline_dentry(struct inode *inode) + void f2fs_do_read_inline_data(struct page *page, struct page *ipage) + { + struct inode *inode = page->mapping->host; +- void *src_addr, *dst_addr; + + if (PageUptodate(page)) + return; +@@ -74,11 +73,8 @@ void f2fs_do_read_inline_data(struct page *page, struct page *ipage) + zero_user_segment(page, MAX_INLINE_DATA(inode), PAGE_SIZE); + + /* Copy the whole inline data block */ +- src_addr = inline_data_addr(inode, ipage); +- dst_addr = kmap_atomic(page); +- memcpy(dst_addr, src_addr, MAX_INLINE_DATA(inode)); +- flush_dcache_page(page); +- kunmap_atomic(dst_addr); ++ memcpy_to_page(page, 0, inline_data_addr(inode, ipage), ++ MAX_INLINE_DATA(inode)); + if (!PageUptodate(page)) + SetPageUptodate(page); + } +@@ -246,7 +242,6 @@ out: + + int f2fs_write_inline_data(struct inode *inode, struct page *page) + { +- void *src_addr, *dst_addr; + struct dnode_of_data dn; + int err; + +@@ -263,10 +258,8 @@ int f2fs_write_inline_data(struct inode *inode, struct page *page) + f2fs_bug_on(F2FS_I_SB(inode), page->index); + + f2fs_wait_on_page_writeback(dn.inode_page, NODE, true, true); +- src_addr = kmap_atomic(page); +- dst_addr = inline_data_addr(inode, dn.inode_page); +- memcpy(dst_addr, src_addr, MAX_INLINE_DATA(inode)); +- kunmap_atomic(src_addr); ++ memcpy_from_page(inline_data_addr(inode, dn.inode_page), ++ page, 0, MAX_INLINE_DATA(inode)); + set_page_dirty(dn.inode_page); + + f2fs_clear_page_cache_dirty_tag(page); +diff --git a/fs/f2fs/iostat.c b/fs/f2fs/iostat.c +index cdcf54ae0db8f..9e0160a02bf4a 100644 +--- a/fs/f2fs/iostat.c ++++ b/fs/f2fs/iostat.c +@@ -194,8 +194,12 @@ static inline void __update_iostat_latency(struct bio_iostat_ctx *iostat_ctx, + return; + + ts_diff = jiffies - iostat_ctx->submit_ts; +- if (iotype >= META_FLUSH) ++ if (iotype == META_FLUSH) { + iotype = META; ++ } else if (iotype >= NR_PAGE_TYPE) { ++ f2fs_warn(sbi, "%s: %d over NR_PAGE_TYPE", __func__, iotype); ++ return; ++ } + + if (rw == 0) { + idx = READ_IO; +diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c +index f4e8de1f47899..ae72211e422e7 100644 +--- a/fs/f2fs/super.c ++++ b/fs/f2fs/super.c +@@ -2442,7 +2442,6 @@ static ssize_t f2fs_quota_read(struct super_block *sb, int type, char *data, + size_t toread; + loff_t i_size = i_size_read(inode); + struct page *page; +- char *kaddr; + + if (off > i_size) + return 0; +@@ -2476,9 +2475,7 @@ repeat: + return -EIO; + } + +- kaddr = kmap_atomic(page); +- memcpy(data, kaddr + offset, tocopy); +- kunmap_atomic(kaddr); ++ memcpy_from_page(data, page, offset, tocopy); + f2fs_put_page(page, 1); + + offset = 0; +@@ -2500,7 +2497,6 @@ static ssize_t f2fs_quota_write(struct super_block *sb, int type, + size_t towrite = len; + struct page *page; + void *fsdata = NULL; +- char *kaddr; + int err = 0; + int tocopy; + +@@ -2520,10 +2516,7 @@ retry: + break; + } + +- kaddr = kmap_atomic(page); +- memcpy(kaddr + offset, data, tocopy); +- kunmap_atomic(kaddr); +- flush_dcache_page(page); ++ memcpy_to_page(page, offset, data, tocopy); + + a_ops->write_end(NULL, mapping, off, tocopy, tocopy, + page, fsdata); +diff --git a/fs/f2fs/verity.c b/fs/f2fs/verity.c +index a28968bb56e62..d5a50e73ec32b 100644 +--- a/fs/f2fs/verity.c ++++ b/fs/f2fs/verity.c +@@ -47,16 +47,13 @@ static int pagecache_read(struct inode *inode, void *buf, size_t count, + size_t n = min_t(size_t, count, + PAGE_SIZE - offset_in_page(pos)); + struct page *page; +- void *addr; + + page = read_mapping_page(inode->i_mapping, pos >> PAGE_SHIFT, + NULL); + if (IS_ERR(page)) + return PTR_ERR(page); + +- addr = kmap_atomic(page); +- memcpy(buf, addr + offset_in_page(pos), n); +- kunmap_atomic(addr); ++ memcpy_from_page(buf, page, offset_in_page(pos), n); + + put_page(page); + +@@ -81,8 +78,7 @@ static int pagecache_write(struct inode *inode, const void *buf, size_t count, + size_t n = min_t(size_t, count, + PAGE_SIZE - offset_in_page(pos)); + struct page *page; +- void *fsdata; +- void *addr; ++ void *fsdata = NULL; + int res; + + res = pagecache_write_begin(NULL, inode->i_mapping, pos, n, 0, +@@ -90,9 +86,7 @@ static int pagecache_write(struct inode *inode, const void *buf, size_t count, + if (res) + return res; + +- addr = kmap_atomic(page); +- memcpy(addr + offset_in_page(pos), buf, n); +- kunmap_atomic(addr); ++ memcpy_to_page(page, offset_in_page(pos), buf, n); + + res = pagecache_write_end(NULL, inode->i_mapping, pos, n, n, + page, fsdata); +diff --git a/fs/jfs/jfs_dmap.c b/fs/jfs/jfs_dmap.c +index f401bc05d5ff6..0034b0f397153 100644 +--- a/fs/jfs/jfs_dmap.c ++++ b/fs/jfs/jfs_dmap.c +@@ -193,7 +193,8 @@ int dbMount(struct inode *ipbmap) + bmp->db_agwidth = le32_to_cpu(dbmp_le->dn_agwidth); + bmp->db_agstart = le32_to_cpu(dbmp_le->dn_agstart); + bmp->db_agl2size = le32_to_cpu(dbmp_le->dn_agl2size); +- if (bmp->db_agl2size > L2MAXL2SIZE - L2MAXAG) { ++ if (bmp->db_agl2size > L2MAXL2SIZE - L2MAXAG || ++ bmp->db_agl2size < 0) { + err = -EINVAL; + goto err_release_metapage; + } +diff --git a/fs/ubifs/budget.c b/fs/ubifs/budget.c +index c0b84e960b20c..9cb05ef9b9dd9 100644 +--- a/fs/ubifs/budget.c ++++ b/fs/ubifs/budget.c +@@ -212,11 +212,10 @@ long long ubifs_calc_available(const struct ubifs_info *c, int min_idx_lebs) + subtract_lebs += 1; + + /* +- * The GC journal head LEB is not really accessible. And since +- * different write types go to different heads, we may count only on +- * one head's space. ++ * Since different write types go to different heads, we should ++ * reserve one leb for each head. + */ +- subtract_lebs += c->jhead_cnt - 1; ++ subtract_lebs += c->jhead_cnt; + + /* We also reserve one LEB for deletions, which bypass budgeting */ + subtract_lebs += 1; +@@ -403,7 +402,7 @@ static int calc_dd_growth(const struct ubifs_info *c, + dd_growth = req->dirtied_page ? c->bi.page_budget : 0; + + if (req->dirtied_ino) +- dd_growth += c->bi.inode_budget << (req->dirtied_ino - 1); ++ dd_growth += c->bi.inode_budget * req->dirtied_ino; + if (req->mod_dent) + dd_growth += c->bi.dent_budget; + dd_growth += req->dirtied_ino_d; +diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c +index 79e371bc15e1e..e7c36e3a9b9e1 100644 +--- a/fs/ubifs/dir.c ++++ b/fs/ubifs/dir.c +@@ -1147,7 +1147,6 @@ static int ubifs_symlink(struct user_namespace *mnt_userns, struct inode *dir, + int err, sz_change, len = strlen(symname); + struct fscrypt_str disk_link; + struct ubifs_budget_req req = { .new_ino = 1, .new_dent = 1, +- .new_ino_d = ALIGN(len, 8), + .dirtied_ino = 1 }; + struct fscrypt_name nm; + +@@ -1163,6 +1162,7 @@ static int ubifs_symlink(struct user_namespace *mnt_userns, struct inode *dir, + * Budget request settings: new inode, new direntry and changing parent + * directory inode. + */ ++ req.new_ino_d = ALIGN(disk_link.len - 1, 8); + err = ubifs_budget_space(c, &req); + if (err) + return err; +@@ -1320,6 +1320,8 @@ static int do_rename(struct inode *old_dir, struct dentry *old_dentry, + if (unlink) { + ubifs_assert(c, inode_is_locked(new_inode)); + ++ /* Budget for old inode's data when its nlink > 1. */ ++ req.dirtied_ino_d = ALIGN(ubifs_inode(new_inode)->data_len, 8); + err = ubifs_purge_xattrs(new_inode); + if (err) + return err; +@@ -1572,6 +1574,10 @@ static int ubifs_xrename(struct inode *old_dir, struct dentry *old_dentry, + return err; + } + ++ err = ubifs_budget_space(c, &req); ++ if (err) ++ goto out; ++ + lock_4_inodes(old_dir, new_dir, NULL, NULL); + + time = current_time(old_dir); +@@ -1597,6 +1603,7 @@ static int ubifs_xrename(struct inode *old_dir, struct dentry *old_dentry, + unlock_4_inodes(old_dir, new_dir, NULL, NULL); + ubifs_release_budget(c, &req); + ++out: + fscrypt_free_filename(&fst_nm); + fscrypt_free_filename(&snd_nm); + return err; +diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c +index 6b45a037a0471..7cc2abcb70ae8 100644 +--- a/fs/ubifs/file.c ++++ b/fs/ubifs/file.c +@@ -1031,7 +1031,7 @@ static int ubifs_writepage(struct page *page, struct writeback_control *wbc) + if (page->index >= synced_i_size >> PAGE_SHIFT) { + err = inode->i_sb->s_op->write_inode(inode, NULL); + if (err) +- goto out_unlock; ++ goto out_redirty; + /* + * The inode has been written, but the write-buffer has + * not been synchronized, so in case of an unclean +@@ -1059,11 +1059,17 @@ static int ubifs_writepage(struct page *page, struct writeback_control *wbc) + if (i_size > synced_i_size) { + err = inode->i_sb->s_op->write_inode(inode, NULL); + if (err) +- goto out_unlock; ++ goto out_redirty; + } + + return do_writepage(page, len); +- ++out_redirty: ++ /* ++ * redirty_page_for_writepage() won't call ubifs_dirty_inode() because ++ * it passes I_DIRTY_PAGES flag while calling __mark_inode_dirty(), so ++ * there is no need to do space budget for dirty inode. ++ */ ++ redirty_page_for_writepage(wbc, page); + out_unlock: + unlock_page(page); + return err; +diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c +index eb05038b71911..32c1f428054b7 100644 +--- a/fs/ubifs/super.c ++++ b/fs/ubifs/super.c +@@ -833,7 +833,7 @@ static int alloc_wbufs(struct ubifs_info *c) + INIT_LIST_HEAD(&c->jheads[i].buds_list); + err = ubifs_wbuf_init(c, &c->jheads[i].wbuf); + if (err) +- return err; ++ goto out_wbuf; + + c->jheads[i].wbuf.sync_callback = &bud_wbuf_callback; + c->jheads[i].wbuf.jhead = i; +@@ -841,7 +841,7 @@ static int alloc_wbufs(struct ubifs_info *c) + c->jheads[i].log_hash = ubifs_hash_get_desc(c); + if (IS_ERR(c->jheads[i].log_hash)) { + err = PTR_ERR(c->jheads[i].log_hash); +- goto out; ++ goto out_log_hash; + } + } + +@@ -854,9 +854,18 @@ static int alloc_wbufs(struct ubifs_info *c) + + return 0; + +-out: +- while (i--) ++out_log_hash: ++ kfree(c->jheads[i].wbuf.buf); ++ kfree(c->jheads[i].wbuf.inodes); ++ ++out_wbuf: ++ while (i--) { ++ kfree(c->jheads[i].wbuf.buf); ++ kfree(c->jheads[i].wbuf.inodes); + kfree(c->jheads[i].log_hash); ++ } ++ kfree(c->jheads); ++ c->jheads = NULL; + + return err; + } +diff --git a/fs/ubifs/tnc.c b/fs/ubifs/tnc.c +index 488f3da7a6c6c..2469f72eeaabb 100644 +--- a/fs/ubifs/tnc.c ++++ b/fs/ubifs/tnc.c +@@ -267,11 +267,18 @@ static struct ubifs_znode *dirty_cow_znode(struct ubifs_info *c, + if (zbr->len) { + err = insert_old_idx(c, zbr->lnum, zbr->offs); + if (unlikely(err)) +- return ERR_PTR(err); ++ /* ++ * Obsolete znodes will be freed by tnc_destroy_cnext() ++ * or free_obsolete_znodes(), copied up znodes should ++ * be added back to tnc and freed by ++ * ubifs_destroy_tnc_subtree(). ++ */ ++ goto out; + err = add_idx_dirt(c, zbr->lnum, zbr->len); + } else + err = 0; + ++out: + zbr->znode = zn; + zbr->lnum = 0; + zbr->offs = 0; +@@ -3053,6 +3060,21 @@ static void tnc_destroy_cnext(struct ubifs_info *c) + cnext = cnext->cnext; + if (ubifs_zn_obsolete(znode)) + kfree(znode); ++ else if (!ubifs_zn_cow(znode)) { ++ /* ++ * Don't forget to update clean znode count after ++ * committing failed, because ubifs will check this ++ * count while closing tnc. Non-obsolete znode could ++ * be re-dirtied during committing process, so dirty ++ * flag is untrustable. The flag 'COW_ZNODE' is set ++ * for each dirty znode before committing, and it is ++ * cleared as long as the znode become clean, so we ++ * can statistic clean znode count according to this ++ * flag. ++ */ ++ atomic_long_inc(&c->clean_zn_cnt); ++ atomic_long_inc(&ubifs_clean_zn_cnt); ++ } + } while (cnext && cnext != c->cnext); + } + +diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h +index c38066ce9ab03..efbb4554a4a6f 100644 +--- a/fs/ubifs/ubifs.h ++++ b/fs/ubifs/ubifs.h +@@ -1594,8 +1594,13 @@ static inline int ubifs_check_hmac(const struct ubifs_info *c, + return crypto_memneq(expected, got, c->hmac_desc_len); + } + ++#ifdef CONFIG_UBIFS_FS_AUTHENTICATION + void ubifs_bad_hash(const struct ubifs_info *c, const void *node, + const u8 *hash, int lnum, int offs); ++#else ++static inline void ubifs_bad_hash(const struct ubifs_info *c, const void *node, ++ const u8 *hash, int lnum, int offs) {}; ++#endif + + int __ubifs_node_check_hash(const struct ubifs_info *c, const void *buf, + const u8 *expected); +diff --git a/include/linux/bootconfig.h b/include/linux/bootconfig.h +index 537e1b991f115..5296fbb8408ca 100644 +--- a/include/linux/bootconfig.h ++++ b/include/linux/bootconfig.h +@@ -49,7 +49,7 @@ struct xbc_node { + /* Maximum size of boot config is 32KB - 1 */ + #define XBC_DATA_MAX (XBC_VALUE - 1) + +-#define XBC_NODE_MAX 1024 ++#define XBC_NODE_MAX 8192 + #define XBC_KEYLEN_MAX 256 + #define XBC_DEPTH_MAX 16 + +diff --git a/include/linux/irq.h b/include/linux/irq.h +index c8293c817646c..f9e6449fbbbae 100644 +--- a/include/linux/irq.h ++++ b/include/linux/irq.h +@@ -875,16 +875,22 @@ static inline int irq_data_get_node(struct irq_data *d) + return irq_common_data_get_node(d->common); + } + +-static inline struct cpumask *irq_get_affinity_mask(int irq) ++static inline struct cpumask *irq_data_get_affinity_mask(struct irq_data *d) + { +- struct irq_data *d = irq_get_irq_data(irq); ++ return d->common->affinity; ++} + +- return d ? d->common->affinity : NULL; ++static inline void irq_data_update_affinity(struct irq_data *d, ++ const struct cpumask *m) ++{ ++ cpumask_copy(d->common->affinity, m); + } + +-static inline struct cpumask *irq_data_get_affinity_mask(struct irq_data *d) ++static inline struct cpumask *irq_get_affinity_mask(int irq) + { +- return d->common->affinity; ++ struct irq_data *d = irq_get_irq_data(irq); ++ ++ return d ? irq_data_get_affinity_mask(d) : NULL; + } + + #ifdef CONFIG_GENERIC_IRQ_EFFECTIVE_AFF_MASK +@@ -906,7 +912,7 @@ static inline void irq_data_update_effective_affinity(struct irq_data *d, + static inline + struct cpumask *irq_data_get_effective_affinity_mask(struct irq_data *d) + { +- return d->common->affinity; ++ return irq_data_get_affinity_mask(d); + } + #endif + +diff --git a/include/linux/pci.h b/include/linux/pci.h +index 9d6e75222868f..34dd24c991804 100644 +--- a/include/linux/pci.h ++++ b/include/linux/pci.h +@@ -557,6 +557,7 @@ struct pci_host_bridge { + void *release_data; + unsigned int ignore_reset_delay:1; /* For entire hierarchy */ + unsigned int no_ext_tags:1; /* No Extended Tags */ ++ unsigned int no_inc_mrrs:1; /* No Increase MRRS */ + unsigned int native_aer:1; /* OS may use PCIe AER */ + unsigned int native_pcie_hotplug:1; /* OS may use PCIe hotplug */ + unsigned int native_shpc_hotplug:1; /* OS may use SHPC hotplug */ +diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h +index 04f44a4694a2e..4853538bf1561 100644 +--- a/include/linux/pci_ids.h ++++ b/include/linux/pci_ids.h +@@ -3012,6 +3012,8 @@ + #define PCI_DEVICE_ID_INTEL_VMD_9A0B 0x9a0b + #define PCI_DEVICE_ID_INTEL_S21152BB 0xb152 + ++#define PCI_VENDOR_ID_WANGXUN 0x8088 ++ + #define PCI_VENDOR_ID_SCALEMP 0x8686 + #define PCI_DEVICE_ID_SCALEMP_VSMP_CTL 0x1010 + +diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h +index 8d2c3dd9f5953..790252c1478b0 100644 +--- a/include/net/sctp/structs.h ++++ b/include/net/sctp/structs.h +@@ -1420,6 +1420,7 @@ struct sctp_stream_priorities { + /* The next stream in line */ + struct sctp_stream_out_ext *next; + __u16 prio; ++ __u16 users; + }; + + struct sctp_stream_out_ext { +diff --git a/include/net/tc_act/tc_pedit.h b/include/net/tc_act/tc_pedit.h +index 3e02709a1df65..83fe399317818 100644 +--- a/include/net/tc_act/tc_pedit.h ++++ b/include/net/tc_act/tc_pedit.h +@@ -4,22 +4,29 @@ + + #include <net/act_api.h> + #include <linux/tc_act/tc_pedit.h> ++#include <linux/types.h> + + struct tcf_pedit_key_ex { + enum pedit_header_type htype; + enum pedit_cmd cmd; + }; + +-struct tcf_pedit { +- struct tc_action common; +- unsigned char tcfp_nkeys; +- unsigned char tcfp_flags; +- u32 tcfp_off_max_hint; ++struct tcf_pedit_parms { + struct tc_pedit_key *tcfp_keys; + struct tcf_pedit_key_ex *tcfp_keys_ex; ++ u32 tcfp_off_max_hint; ++ unsigned char tcfp_nkeys; ++ unsigned char tcfp_flags; ++ struct rcu_head rcu; ++}; ++ ++struct tcf_pedit { ++ struct tc_action common; ++ struct tcf_pedit_parms __rcu *parms; + }; + + #define to_pedit(a) ((struct tcf_pedit *)a) ++#define to_pedit_parms(a) (rcu_dereference(to_pedit(a)->parms)) + + static inline bool is_tcf_pedit(const struct tc_action *a) + { +@@ -32,37 +39,81 @@ static inline bool is_tcf_pedit(const struct tc_action *a) + + static inline int tcf_pedit_nkeys(const struct tc_action *a) + { +- return to_pedit(a)->tcfp_nkeys; ++ struct tcf_pedit_parms *parms; ++ int nkeys; ++ ++ rcu_read_lock(); ++ parms = to_pedit_parms(a); ++ nkeys = parms->tcfp_nkeys; ++ rcu_read_unlock(); ++ ++ return nkeys; + } + + static inline u32 tcf_pedit_htype(const struct tc_action *a, int index) + { +- if (to_pedit(a)->tcfp_keys_ex) +- return to_pedit(a)->tcfp_keys_ex[index].htype; ++ u32 htype = TCA_PEDIT_KEY_EX_HDR_TYPE_NETWORK; ++ struct tcf_pedit_parms *parms; ++ ++ rcu_read_lock(); ++ parms = to_pedit_parms(a); ++ if (parms->tcfp_keys_ex) ++ htype = parms->tcfp_keys_ex[index].htype; ++ rcu_read_unlock(); + +- return TCA_PEDIT_KEY_EX_HDR_TYPE_NETWORK; ++ return htype; + } + + static inline u32 tcf_pedit_cmd(const struct tc_action *a, int index) + { +- if (to_pedit(a)->tcfp_keys_ex) +- return to_pedit(a)->tcfp_keys_ex[index].cmd; ++ struct tcf_pedit_parms *parms; ++ u32 cmd = __PEDIT_CMD_MAX; + +- return __PEDIT_CMD_MAX; ++ rcu_read_lock(); ++ parms = to_pedit_parms(a); ++ if (parms->tcfp_keys_ex) ++ cmd = parms->tcfp_keys_ex[index].cmd; ++ rcu_read_unlock(); ++ ++ return cmd; + } + + static inline u32 tcf_pedit_mask(const struct tc_action *a, int index) + { +- return to_pedit(a)->tcfp_keys[index].mask; ++ struct tcf_pedit_parms *parms; ++ u32 mask; ++ ++ rcu_read_lock(); ++ parms = to_pedit_parms(a); ++ mask = parms->tcfp_keys[index].mask; ++ rcu_read_unlock(); ++ ++ return mask; + } + + static inline u32 tcf_pedit_val(const struct tc_action *a, int index) + { +- return to_pedit(a)->tcfp_keys[index].val; ++ struct tcf_pedit_parms *parms; ++ u32 val; ++ ++ rcu_read_lock(); ++ parms = to_pedit_parms(a); ++ val = parms->tcfp_keys[index].val; ++ rcu_read_unlock(); ++ ++ return val; + } + + static inline u32 tcf_pedit_offset(const struct tc_action *a, int index) + { +- return to_pedit(a)->tcfp_keys[index].off; ++ struct tcf_pedit_parms *parms; ++ u32 off; ++ ++ rcu_read_lock(); ++ parms = to_pedit_parms(a); ++ off = parms->tcfp_keys[index].off; ++ rcu_read_unlock(); ++ ++ return off; + } + #endif /* __NET_TC_PED_H */ +diff --git a/include/uapi/linux/usb/video.h b/include/uapi/linux/usb/video.h +index bfdae12cdacf8..c58854fb7d94a 100644 +--- a/include/uapi/linux/usb/video.h ++++ b/include/uapi/linux/usb/video.h +@@ -179,6 +179,36 @@ + #define UVC_CONTROL_CAP_AUTOUPDATE (1 << 3) + #define UVC_CONTROL_CAP_ASYNCHRONOUS (1 << 4) + ++/* 3.9.2.6 Color Matching Descriptor Values */ ++enum uvc_color_primaries_values { ++ UVC_COLOR_PRIMARIES_UNSPECIFIED, ++ UVC_COLOR_PRIMARIES_BT_709_SRGB, ++ UVC_COLOR_PRIMARIES_BT_470_2_M, ++ UVC_COLOR_PRIMARIES_BT_470_2_B_G, ++ UVC_COLOR_PRIMARIES_SMPTE_170M, ++ UVC_COLOR_PRIMARIES_SMPTE_240M, ++}; ++ ++enum uvc_transfer_characteristics_values { ++ UVC_TRANSFER_CHARACTERISTICS_UNSPECIFIED, ++ UVC_TRANSFER_CHARACTERISTICS_BT_709, ++ UVC_TRANSFER_CHARACTERISTICS_BT_470_2_M, ++ UVC_TRANSFER_CHARACTERISTICS_BT_470_2_B_G, ++ UVC_TRANSFER_CHARACTERISTICS_SMPTE_170M, ++ UVC_TRANSFER_CHARACTERISTICS_SMPTE_240M, ++ UVC_TRANSFER_CHARACTERISTICS_LINEAR, ++ UVC_TRANSFER_CHARACTERISTICS_SRGB, ++}; ++ ++enum uvc_matrix_coefficients { ++ UVC_MATRIX_COEFFICIENTS_UNSPECIFIED, ++ UVC_MATRIX_COEFFICIENTS_BT_709, ++ UVC_MATRIX_COEFFICIENTS_FCC, ++ UVC_MATRIX_COEFFICIENTS_BT_470_2_B_G, ++ UVC_MATRIX_COEFFICIENTS_SMPTE_170M, ++ UVC_MATRIX_COEFFICIENTS_SMPTE_240M, ++}; ++ + /* ------------------------------------------------------------------------ + * UVC structures + */ +diff --git a/include/uapi/linux/uvcvideo.h b/include/uapi/linux/uvcvideo.h +index 8288137387c0d..a9d0a64007ba5 100644 +--- a/include/uapi/linux/uvcvideo.h ++++ b/include/uapi/linux/uvcvideo.h +@@ -86,7 +86,7 @@ struct uvc_xu_control_query { + * struct. The first two fields are added by the driver, they can be used for + * clock synchronisation. The rest is an exact copy of a UVC payload header. + * Only complete objects with complete buffers are included. Therefore it's +- * always sizeof(meta->ts) + sizeof(meta->sof) + meta->length bytes large. ++ * always sizeof(meta->ns) + sizeof(meta->sof) + meta->length bytes large. + */ + struct uvc_meta_buf { + __u64 ns; +diff --git a/kernel/fail_function.c b/kernel/fail_function.c +index 60dc825ecc2b3..d81ec84765811 100644 +--- a/kernel/fail_function.c ++++ b/kernel/fail_function.c +@@ -163,10 +163,7 @@ static void fei_debugfs_add_attr(struct fei_attr *attr) + + static void fei_debugfs_remove_attr(struct fei_attr *attr) + { +- struct dentry *dir; +- +- dir = debugfs_lookup(attr->kp.symbol_name, fei_debugfs_dir); +- debugfs_remove_recursive(dir); ++ debugfs_lookup_and_remove(attr->kp.symbol_name, fei_debugfs_dir); + } + + static int fei_kprobe_handler(struct kprobe *kp, struct pt_regs *regs) +diff --git a/kernel/printk/index.c b/kernel/printk/index.c +index d3709408debe9..d23b8f8a51db5 100644 +--- a/kernel/printk/index.c ++++ b/kernel/printk/index.c +@@ -146,7 +146,7 @@ static void pi_create_file(struct module *mod) + #ifdef CONFIG_MODULES + static void pi_remove_file(struct module *mod) + { +- debugfs_remove(debugfs_lookup(pi_get_module_name(mod), dfs_index)); ++ debugfs_lookup_and_remove(pi_get_module_name(mod), dfs_index); + } + + static int pi_module_notify(struct notifier_block *nb, unsigned long op, +diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c +index 4590556963551..58b8e8b1fea2e 100644 +--- a/kernel/trace/ring_buffer.c ++++ b/kernel/trace/ring_buffer.c +@@ -5546,11 +5546,16 @@ EXPORT_SYMBOL_GPL(ring_buffer_alloc_read_page); + */ + void ring_buffer_free_read_page(struct trace_buffer *buffer, int cpu, void *data) + { +- struct ring_buffer_per_cpu *cpu_buffer = buffer->buffers[cpu]; ++ struct ring_buffer_per_cpu *cpu_buffer; + struct buffer_data_page *bpage = data; + struct page *page = virt_to_page(bpage); + unsigned long flags; + ++ if (!buffer || !buffer->buffers || !buffer->buffers[cpu]) ++ return; ++ ++ cpu_buffer = buffer->buffers[cpu]; ++ + /* If the page is still in use someplace else, we can't reuse it */ + if (page_ref_count(page) > 1) + goto out; +diff --git a/net/9p/trans_rdma.c b/net/9p/trans_rdma.c +index f6d145873b497..e5bfe8d7ef449 100644 +--- a/net/9p/trans_rdma.c ++++ b/net/9p/trans_rdma.c +@@ -388,6 +388,7 @@ post_recv(struct p9_client *client, struct p9_rdma_context *c) + struct p9_trans_rdma *rdma = client->trans; + struct ib_recv_wr wr; + struct ib_sge sge; ++ int ret; + + c->busa = ib_dma_map_single(rdma->cm_id->device, + c->rc.sdata, client->msize, +@@ -405,7 +406,12 @@ post_recv(struct p9_client *client, struct p9_rdma_context *c) + wr.wr_cqe = &c->cqe; + wr.sg_list = &sge; + wr.num_sge = 1; +- return ib_post_recv(rdma->qp, &wr, NULL); ++ ++ ret = ib_post_recv(rdma->qp, &wr, NULL); ++ if (ret) ++ ib_dma_unmap_single(rdma->cm_id->device, c->busa, ++ client->msize, DMA_FROM_DEVICE); ++ return ret; + + error: + p9_debug(P9_DEBUG_ERROR, "EIO\n"); +@@ -502,7 +508,7 @@ dont_need_post_recv: + + if (down_interruptible(&rdma->sq_sem)) { + err = -EINTR; +- goto send_error; ++ goto dma_unmap; + } + + /* Mark request as `sent' *before* we actually send it, +@@ -512,11 +518,14 @@ dont_need_post_recv: + req->status = REQ_STATUS_SENT; + err = ib_post_send(rdma->qp, &wr, NULL); + if (err) +- goto send_error; ++ goto dma_unmap; + + /* Success */ + return 0; + ++dma_unmap: ++ ib_dma_unmap_single(rdma->cm_id->device, c->busa, ++ c->req->tc.size, DMA_TO_DEVICE); + /* Handle errors that happened during or while preparing the send: */ + send_error: + req->status = REQ_STATUS_ERROR; +diff --git a/net/9p/trans_xen.c b/net/9p/trans_xen.c +index 4255f2a3bea48..9e4da8c1b907e 100644 +--- a/net/9p/trans_xen.c ++++ b/net/9p/trans_xen.c +@@ -393,19 +393,24 @@ out: + return ret; + } + +-static int xen_9pfs_front_probe(struct xenbus_device *dev, +- const struct xenbus_device_id *id) ++static int xen_9pfs_front_init(struct xenbus_device *dev) + { + int ret, i; + struct xenbus_transaction xbt; +- struct xen_9pfs_front_priv *priv = NULL; +- char *versions; ++ struct xen_9pfs_front_priv *priv = dev_get_drvdata(&dev->dev); ++ char *versions, *v; + unsigned int max_rings, max_ring_order, len = 0; + + versions = xenbus_read(XBT_NIL, dev->otherend, "versions", &len); + if (IS_ERR(versions)) + return PTR_ERR(versions); +- if (strcmp(versions, "1")) { ++ for (v = versions; *v; v++) { ++ if (simple_strtoul(v, &v, 10) == 1) { ++ v = NULL; ++ break; ++ } ++ } ++ if (v) { + kfree(versions); + return -EINVAL; + } +@@ -420,11 +425,6 @@ static int xen_9pfs_front_probe(struct xenbus_device *dev, + if (p9_xen_trans.maxsize > XEN_FLEX_RING_SIZE(max_ring_order)) + p9_xen_trans.maxsize = XEN_FLEX_RING_SIZE(max_ring_order) / 2; + +- priv = kzalloc(sizeof(*priv), GFP_KERNEL); +- if (!priv) +- return -ENOMEM; +- +- priv->dev = dev; + priv->num_rings = XEN_9PFS_NUM_RINGS; + priv->rings = kcalloc(priv->num_rings, sizeof(*priv->rings), + GFP_KERNEL); +@@ -483,23 +483,35 @@ static int xen_9pfs_front_probe(struct xenbus_device *dev, + goto error; + } + +- write_lock(&xen_9pfs_lock); +- list_add_tail(&priv->list, &xen_9pfs_devs); +- write_unlock(&xen_9pfs_lock); +- dev_set_drvdata(&dev->dev, priv); +- xenbus_switch_state(dev, XenbusStateInitialised); +- + return 0; + + error_xenbus: + xenbus_transaction_end(xbt, 1); + xenbus_dev_fatal(dev, ret, "writing xenstore"); + error: +- dev_set_drvdata(&dev->dev, NULL); + xen_9pfs_front_free(priv); + return ret; + } + ++static int xen_9pfs_front_probe(struct xenbus_device *dev, ++ const struct xenbus_device_id *id) ++{ ++ struct xen_9pfs_front_priv *priv = NULL; ++ ++ priv = kzalloc(sizeof(*priv), GFP_KERNEL); ++ if (!priv) ++ return -ENOMEM; ++ ++ priv->dev = dev; ++ dev_set_drvdata(&dev->dev, priv); ++ ++ write_lock(&xen_9pfs_lock); ++ list_add_tail(&priv->list, &xen_9pfs_devs); ++ write_unlock(&xen_9pfs_lock); ++ ++ return 0; ++} ++ + static int xen_9pfs_front_resume(struct xenbus_device *dev) + { + dev_warn(&dev->dev, "suspend/resume unsupported\n"); +@@ -518,6 +530,8 @@ static void xen_9pfs_front_changed(struct xenbus_device *dev, + break; + + case XenbusStateInitWait: ++ if (!xen_9pfs_front_init(dev)) ++ xenbus_switch_state(dev, XenbusStateInitialised); + break; + + case XenbusStateConnected: +diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c +index f1128c2134f02..3f92a21cabe8e 100644 +--- a/net/bluetooth/hci_sock.c ++++ b/net/bluetooth/hci_sock.c +@@ -888,10 +888,6 @@ static int hci_sock_release(struct socket *sock) + } + + sock_orphan(sk); +- +- skb_queue_purge(&sk->sk_receive_queue); +- skb_queue_purge(&sk->sk_write_queue); +- + release_sock(sk); + sock_put(sk); + return 0; +@@ -2012,6 +2008,12 @@ done: + return err; + } + ++static void hci_sock_destruct(struct sock *sk) ++{ ++ skb_queue_purge(&sk->sk_receive_queue); ++ skb_queue_purge(&sk->sk_write_queue); ++} ++ + static const struct proto_ops hci_sock_ops = { + .family = PF_BLUETOOTH, + .owner = THIS_MODULE, +@@ -2065,6 +2067,7 @@ static int hci_sock_create(struct net *net, struct socket *sock, int protocol, + + sock->state = SS_UNCONNECTED; + sk->sk_state = BT_OPEN; ++ sk->sk_destruct = hci_sock_destruct; + + bt_sock_link(&hci_sk_list, sk); + return 0; +diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c +index 16774559c52cb..a09b2fc11c80e 100644 +--- a/net/bridge/netfilter/ebtables.c ++++ b/net/bridge/netfilter/ebtables.c +@@ -1090,7 +1090,7 @@ static int do_replace_finish(struct net *net, struct ebt_replace *repl, + + audit_log_nfcfg(repl->name, AF_BRIDGE, repl->nentries, + AUDIT_XT_OP_REPLACE, GFP_KERNEL); +- return ret; ++ return 0; + + free_unlock: + mutex_unlock(&ebt_mutex); +diff --git a/net/core/dev.c b/net/core/dev.c +index 24a80e960d2d9..7fc8ae7f3cd5b 100644 +--- a/net/core/dev.c ++++ b/net/core/dev.c +@@ -3113,8 +3113,10 @@ void __dev_kfree_skb_any(struct sk_buff *skb, enum skb_free_reason reason) + { + if (in_hardirq() || irqs_disabled()) + __dev_kfree_skb_irq(skb, reason); ++ else if (unlikely(reason == SKB_REASON_DROPPED)) ++ kfree_skb(skb); + else +- dev_kfree_skb(skb); ++ consume_skb(skb); + } + EXPORT_SYMBOL(__dev_kfree_skb_any); + +diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c +index c53f14b943560..71bf3aeed73c1 100644 +--- a/net/ipv4/netfilter/arp_tables.c ++++ b/net/ipv4/netfilter/arp_tables.c +@@ -1524,6 +1524,10 @@ int arpt_register_table(struct net *net, + + new_table = xt_register_table(net, table, &bootstrap, newinfo); + if (IS_ERR(new_table)) { ++ struct arpt_entry *iter; ++ ++ xt_entry_foreach(iter, loc_cpu_entry, newinfo->size) ++ cleanup_entry(iter, net); + xt_free_table_info(newinfo); + return PTR_ERR(new_table); + } +diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c +index 13acb687c19ab..a748a1e754605 100644 +--- a/net/ipv4/netfilter/ip_tables.c ++++ b/net/ipv4/netfilter/ip_tables.c +@@ -1044,7 +1044,6 @@ __do_replace(struct net *net, const char *name, unsigned int valid_hooks, + struct xt_counters *counters; + struct ipt_entry *iter; + +- ret = 0; + counters = xt_counters_alloc(num_counters); + if (!counters) { + ret = -ENOMEM; +@@ -1090,7 +1089,7 @@ __do_replace(struct net *net, const char *name, unsigned int valid_hooks, + net_warn_ratelimited("iptables: counters copy to user failed while replacing table\n"); + } + vfree(counters); +- return ret; ++ return 0; + + put_module: + module_put(t->me); +@@ -1741,6 +1740,10 @@ int ipt_register_table(struct net *net, const struct xt_table *table, + + new_table = xt_register_table(net, table, &bootstrap, newinfo); + if (IS_ERR(new_table)) { ++ struct ipt_entry *iter; ++ ++ xt_entry_foreach(iter, loc_cpu_entry, newinfo->size) ++ cleanup_entry(iter, net); + xt_free_table_info(newinfo); + return PTR_ERR(new_table); + } +diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c +index 41368e77fbb81..aa67d5adcbca9 100644 +--- a/net/ipv4/tcp_minisocks.c ++++ b/net/ipv4/tcp_minisocks.c +@@ -565,6 +565,9 @@ EXPORT_SYMBOL(tcp_create_openreq_child); + * validation and inside tcp_v4_reqsk_send_ack(). Can we do better? + * + * We don't need to initialize tmp_opt.sack_ok as we don't use the results ++ * ++ * Note: If @fastopen is true, this can be called from process context. ++ * Otherwise, this is from BH context. + */ + + struct sock *tcp_check_req(struct sock *sk, struct sk_buff *skb, +@@ -717,7 +720,7 @@ struct sock *tcp_check_req(struct sock *sk, struct sk_buff *skb, + &tcp_rsk(req)->last_oow_ack_time)) + req->rsk_ops->send_ack(sk, skb, req); + if (paws_reject) +- __NET_INC_STATS(sock_net(sk), LINUX_MIB_PAWSESTABREJECTED); ++ NET_INC_STATS(sock_net(sk), LINUX_MIB_PAWSESTABREJECTED); + return NULL; + } + +@@ -736,7 +739,7 @@ struct sock *tcp_check_req(struct sock *sk, struct sk_buff *skb, + * "fourth, check the SYN bit" + */ + if (flg & (TCP_FLAG_RST|TCP_FLAG_SYN)) { +- __TCP_INC_STATS(sock_net(sk), TCP_MIB_ATTEMPTFAILS); ++ TCP_INC_STATS(sock_net(sk), TCP_MIB_ATTEMPTFAILS); + goto embryonic_reset; + } + +diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c +index a579ea14a69b6..277a5ee887eb3 100644 +--- a/net/ipv6/netfilter/ip6_tables.c ++++ b/net/ipv6/netfilter/ip6_tables.c +@@ -1062,7 +1062,6 @@ __do_replace(struct net *net, const char *name, unsigned int valid_hooks, + struct xt_counters *counters; + struct ip6t_entry *iter; + +- ret = 0; + counters = xt_counters_alloc(num_counters); + if (!counters) { + ret = -ENOMEM; +@@ -1108,7 +1107,7 @@ __do_replace(struct net *net, const char *name, unsigned int valid_hooks, + net_warn_ratelimited("ip6tables: counters copy to user failed while replacing table\n"); + } + vfree(counters); +- return ret; ++ return 0; + + put_module: + module_put(t->me); +@@ -1751,6 +1750,10 @@ int ip6t_register_table(struct net *net, const struct xt_table *table, + + new_table = xt_register_table(net, table, &bootstrap, newinfo); + if (IS_ERR(new_table)) { ++ struct ip6t_entry *iter; ++ ++ xt_entry_foreach(iter, loc_cpu_entry, newinfo->size) ++ cleanup_entry(iter, net); + xt_free_table_info(newinfo); + return PTR_ERR(new_table); + } +diff --git a/net/ipv6/route.c b/net/ipv6/route.c +index 0655fd8c67e93..7b26882b9e70e 100644 +--- a/net/ipv6/route.c ++++ b/net/ipv6/route.c +@@ -5555,16 +5555,17 @@ static size_t rt6_nlmsg_size(struct fib6_info *f6i) + nexthop_for_each_fib6_nh(f6i->nh, rt6_nh_nlmsg_size, + &nexthop_len); + } else { ++ struct fib6_info *sibling, *next_sibling; + struct fib6_nh *nh = f6i->fib6_nh; + + nexthop_len = 0; + if (f6i->fib6_nsiblings) { +- nexthop_len = nla_total_size(0) /* RTA_MULTIPATH */ +- + NLA_ALIGN(sizeof(struct rtnexthop)) +- + nla_total_size(16) /* RTA_GATEWAY */ +- + lwtunnel_get_encap_size(nh->fib_nh_lws); ++ rt6_nh_nlmsg_size(nh, &nexthop_len); + +- nexthop_len *= f6i->fib6_nsiblings; ++ list_for_each_entry_safe(sibling, next_sibling, ++ &f6i->fib6_siblings, fib6_siblings) { ++ rt6_nh_nlmsg_size(sibling->fib6_nh, &nexthop_len); ++ } + } + nexthop_len += lwtunnel_get_encap_size(nh->fib_nh_lws); + } +diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c +index 2cc6092b4f865..18a508783c282 100644 +--- a/net/netfilter/nf_conntrack_netlink.c ++++ b/net/netfilter/nf_conntrack_netlink.c +@@ -2396,12 +2396,15 @@ ctnetlink_create_conntrack(struct net *net, + + err = nf_conntrack_hash_check_insert(ct); + if (err < 0) +- goto err2; ++ goto err3; + + rcu_read_unlock(); + + return ct; + ++err3: ++ if (ct->master) ++ nf_ct_put(ct->master); + err2: + rcu_read_unlock(); + err1: +diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c +index a02a25b7eae6d..dc276b6802ca9 100644 +--- a/net/netfilter/nf_tables_api.c ++++ b/net/netfilter/nf_tables_api.c +@@ -5342,7 +5342,7 @@ static int nf_tables_getsetelem(struct sk_buff *skb, + int rem, err = 0; + + table = nft_table_lookup(net, nla[NFTA_SET_ELEM_LIST_TABLE], family, +- genmask, NETLINK_CB(skb).portid); ++ genmask, 0); + if (IS_ERR(table)) { + NL_SET_BAD_ATTR(extack, nla[NFTA_SET_ELEM_LIST_TABLE]); + return PTR_ERR(table); +diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c +index d928d5a24bbc1..9ba3676ab37f4 100644 +--- a/net/nfc/netlink.c ++++ b/net/nfc/netlink.c +@@ -1442,7 +1442,11 @@ static int nfc_se_io(struct nfc_dev *dev, u32 se_idx, + rc = dev->ops->se_io(dev, se_idx, apdu, + apdu_length, cb, cb_context); + ++ device_unlock(&dev->dev); ++ return rc; ++ + error: ++ kfree(cb_context); + device_unlock(&dev->dev); + return rc; + } +diff --git a/net/sched/Kconfig b/net/sched/Kconfig +index 4662a6ce8a7e7..bcdd6e925343f 100644 +--- a/net/sched/Kconfig ++++ b/net/sched/Kconfig +@@ -503,17 +503,6 @@ config NET_CLS_BASIC + To compile this code as a module, choose M here: the + module will be called cls_basic. + +-config NET_CLS_TCINDEX +- tristate "Traffic-Control Index (TCINDEX)" +- select NET_CLS +- help +- Say Y here if you want to be able to classify packets based on +- traffic control indices. You will want this feature if you want +- to implement Differentiated Services together with DSMARK. +- +- To compile this code as a module, choose M here: the +- module will be called cls_tcindex. +- + config NET_CLS_ROUTE4 + tristate "Routing decision (ROUTE)" + depends on INET +diff --git a/net/sched/Makefile b/net/sched/Makefile +index dd14ef413fdad..b7dbac5c519f6 100644 +--- a/net/sched/Makefile ++++ b/net/sched/Makefile +@@ -70,7 +70,6 @@ obj-$(CONFIG_NET_CLS_U32) += cls_u32.o + obj-$(CONFIG_NET_CLS_ROUTE4) += cls_route.o + obj-$(CONFIG_NET_CLS_FW) += cls_fw.o + obj-$(CONFIG_NET_CLS_RSVP) += cls_rsvp.o +-obj-$(CONFIG_NET_CLS_TCINDEX) += cls_tcindex.o + obj-$(CONFIG_NET_CLS_RSVP6) += cls_rsvp6.o + obj-$(CONFIG_NET_CLS_BASIC) += cls_basic.o + obj-$(CONFIG_NET_CLS_FLOW) += cls_flow.o +diff --git a/net/sched/act_mpls.c b/net/sched/act_mpls.c +index 980ad795727e9..d010c5b8e83b1 100644 +--- a/net/sched/act_mpls.c ++++ b/net/sched/act_mpls.c +@@ -189,40 +189,67 @@ static int tcf_mpls_init(struct net *net, struct nlattr *nla, + parm = nla_data(tb[TCA_MPLS_PARMS]); + index = parm->index; + ++ err = tcf_idr_check_alloc(tn, &index, a, bind); ++ if (err < 0) ++ return err; ++ exists = err; ++ if (exists && bind) ++ return 0; ++ ++ if (!exists) { ++ ret = tcf_idr_create(tn, index, est, a, &act_mpls_ops, bind, ++ true, flags); ++ if (ret) { ++ tcf_idr_cleanup(tn, index); ++ return ret; ++ } ++ ++ ret = ACT_P_CREATED; ++ } else if (!(flags & TCA_ACT_FLAGS_REPLACE)) { ++ tcf_idr_release(*a, bind); ++ return -EEXIST; ++ } ++ + /* Verify parameters against action type. */ + switch (parm->m_action) { + case TCA_MPLS_ACT_POP: + if (!tb[TCA_MPLS_PROTO]) { + NL_SET_ERR_MSG_MOD(extack, "Protocol must be set for MPLS pop"); +- return -EINVAL; ++ err = -EINVAL; ++ goto release_idr; + } + if (!eth_proto_is_802_3(nla_get_be16(tb[TCA_MPLS_PROTO]))) { + NL_SET_ERR_MSG_MOD(extack, "Invalid protocol type for MPLS pop"); +- return -EINVAL; ++ err = -EINVAL; ++ goto release_idr; + } + if (tb[TCA_MPLS_LABEL] || tb[TCA_MPLS_TTL] || tb[TCA_MPLS_TC] || + tb[TCA_MPLS_BOS]) { + NL_SET_ERR_MSG_MOD(extack, "Label, TTL, TC or BOS cannot be used with MPLS pop"); +- return -EINVAL; ++ err = -EINVAL; ++ goto release_idr; + } + break; + case TCA_MPLS_ACT_DEC_TTL: + if (tb[TCA_MPLS_PROTO] || tb[TCA_MPLS_LABEL] || + tb[TCA_MPLS_TTL] || tb[TCA_MPLS_TC] || tb[TCA_MPLS_BOS]) { + NL_SET_ERR_MSG_MOD(extack, "Label, TTL, TC, BOS or protocol cannot be used with MPLS dec_ttl"); +- return -EINVAL; ++ err = -EINVAL; ++ goto release_idr; + } + break; + case TCA_MPLS_ACT_PUSH: + case TCA_MPLS_ACT_MAC_PUSH: + if (!tb[TCA_MPLS_LABEL]) { + NL_SET_ERR_MSG_MOD(extack, "Label is required for MPLS push"); +- return -EINVAL; ++ err = -EINVAL; ++ goto release_idr; + } + if (tb[TCA_MPLS_PROTO] && + !eth_p_mpls(nla_get_be16(tb[TCA_MPLS_PROTO]))) { + NL_SET_ERR_MSG_MOD(extack, "Protocol must be an MPLS type for MPLS push"); +- return -EPROTONOSUPPORT; ++ err = -EPROTONOSUPPORT; ++ goto release_idr; + } + /* Push needs a TTL - if not specified, set a default value. */ + if (!tb[TCA_MPLS_TTL]) { +@@ -237,33 +264,14 @@ static int tcf_mpls_init(struct net *net, struct nlattr *nla, + case TCA_MPLS_ACT_MODIFY: + if (tb[TCA_MPLS_PROTO]) { + NL_SET_ERR_MSG_MOD(extack, "Protocol cannot be used with MPLS modify"); +- return -EINVAL; ++ err = -EINVAL; ++ goto release_idr; + } + break; + default: + NL_SET_ERR_MSG_MOD(extack, "Unknown MPLS action"); +- return -EINVAL; +- } +- +- err = tcf_idr_check_alloc(tn, &index, a, bind); +- if (err < 0) +- return err; +- exists = err; +- if (exists && bind) +- return 0; +- +- if (!exists) { +- ret = tcf_idr_create(tn, index, est, a, +- &act_mpls_ops, bind, true, flags); +- if (ret) { +- tcf_idr_cleanup(tn, index); +- return ret; +- } +- +- ret = ACT_P_CREATED; +- } else if (!(flags & TCA_ACT_FLAGS_REPLACE)) { +- tcf_idr_release(*a, bind); +- return -EEXIST; ++ err = -EINVAL; ++ goto release_idr; + } + + err = tcf_action_check_ctrlact(parm->action, tp, &goto_ch, extack); +diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c +index 4f72e6e7dbda5..051cd20928599 100644 +--- a/net/sched/act_pedit.c ++++ b/net/sched/act_pedit.c +@@ -134,6 +134,17 @@ nla_failure: + return -EINVAL; + } + ++static void tcf_pedit_cleanup_rcu(struct rcu_head *head) ++{ ++ struct tcf_pedit_parms *parms = ++ container_of(head, struct tcf_pedit_parms, rcu); ++ ++ kfree(parms->tcfp_keys_ex); ++ kfree(parms->tcfp_keys); ++ ++ kfree(parms); ++} ++ + static int tcf_pedit_init(struct net *net, struct nlattr *nla, + struct nlattr *est, struct tc_action **a, + struct tcf_proto *tp, u32 flags, +@@ -141,10 +152,9 @@ static int tcf_pedit_init(struct net *net, struct nlattr *nla, + { + struct tc_action_net *tn = net_generic(net, pedit_net_id); + bool bind = flags & TCA_ACT_FLAGS_BIND; +- struct nlattr *tb[TCA_PEDIT_MAX + 1]; + struct tcf_chain *goto_ch = NULL; +- struct tc_pedit_key *keys = NULL; +- struct tcf_pedit_key_ex *keys_ex; ++ struct tcf_pedit_parms *oparms, *nparms; ++ struct nlattr *tb[TCA_PEDIT_MAX + 1]; + struct tc_pedit *parm; + struct nlattr *pattr; + struct tcf_pedit *p; +@@ -171,109 +181,125 @@ static int tcf_pedit_init(struct net *net, struct nlattr *nla, + } + + parm = nla_data(pattr); +- if (!parm->nkeys) { +- NL_SET_ERR_MSG_MOD(extack, "Pedit requires keys to be passed"); +- return -EINVAL; +- } +- ksize = parm->nkeys * sizeof(struct tc_pedit_key); +- if (nla_len(pattr) < sizeof(*parm) + ksize) { +- NL_SET_ERR_MSG_ATTR(extack, pattr, "Length of TCA_PEDIT_PARMS or TCA_PEDIT_PARMS_EX pedit attribute is invalid"); +- return -EINVAL; +- } +- +- keys_ex = tcf_pedit_keys_ex_parse(tb[TCA_PEDIT_KEYS_EX], parm->nkeys); +- if (IS_ERR(keys_ex)) +- return PTR_ERR(keys_ex); + + index = parm->index; + err = tcf_idr_check_alloc(tn, &index, a, bind); + if (!err) { +- ret = tcf_idr_create(tn, index, est, a, +- &act_pedit_ops, bind, false, flags); ++ ret = tcf_idr_create_from_flags(tn, index, est, a, ++ &act_pedit_ops, bind, flags); + if (ret) { + tcf_idr_cleanup(tn, index); +- goto out_free; ++ return ret; + } + ret = ACT_P_CREATED; + } else if (err > 0) { + if (bind) +- goto out_free; ++ return 0; + if (!(flags & TCA_ACT_FLAGS_REPLACE)) { + ret = -EEXIST; + goto out_release; + } + } else { +- ret = err; ++ return err; ++ } ++ ++ if (!parm->nkeys) { ++ NL_SET_ERR_MSG_MOD(extack, "Pedit requires keys to be passed"); ++ ret = -EINVAL; ++ goto out_release; ++ } ++ ksize = parm->nkeys * sizeof(struct tc_pedit_key); ++ if (nla_len(pattr) < sizeof(*parm) + ksize) { ++ NL_SET_ERR_MSG_ATTR(extack, pattr, "Length of TCA_PEDIT_PARMS or TCA_PEDIT_PARMS_EX pedit attribute is invalid"); ++ ret = -EINVAL; ++ goto out_release; ++ } ++ ++ nparms = kzalloc(sizeof(*nparms), GFP_KERNEL); ++ if (!nparms) { ++ ret = -ENOMEM; ++ goto out_release; ++ } ++ ++ nparms->tcfp_keys_ex = ++ tcf_pedit_keys_ex_parse(tb[TCA_PEDIT_KEYS_EX], parm->nkeys); ++ if (IS_ERR(nparms->tcfp_keys_ex)) { ++ ret = PTR_ERR(nparms->tcfp_keys_ex); + goto out_free; + } + + err = tcf_action_check_ctrlact(parm->action, tp, &goto_ch, extack); + if (err < 0) { + ret = err; +- goto out_release; ++ goto out_free_ex; + } +- p = to_pedit(*a); +- spin_lock_bh(&p->tcf_lock); + +- if (ret == ACT_P_CREATED || +- (p->tcfp_nkeys && p->tcfp_nkeys != parm->nkeys)) { +- keys = kmalloc(ksize, GFP_ATOMIC); +- if (!keys) { +- spin_unlock_bh(&p->tcf_lock); +- ret = -ENOMEM; +- goto put_chain; +- } +- kfree(p->tcfp_keys); +- p->tcfp_keys = keys; +- p->tcfp_nkeys = parm->nkeys; ++ nparms->tcfp_off_max_hint = 0; ++ nparms->tcfp_flags = parm->flags; ++ nparms->tcfp_nkeys = parm->nkeys; ++ ++ nparms->tcfp_keys = kmalloc(ksize, GFP_KERNEL); ++ if (!nparms->tcfp_keys) { ++ ret = -ENOMEM; ++ goto put_chain; + } +- memcpy(p->tcfp_keys, parm->keys, ksize); +- p->tcfp_off_max_hint = 0; +- for (i = 0; i < p->tcfp_nkeys; ++i) { +- u32 cur = p->tcfp_keys[i].off; ++ ++ memcpy(nparms->tcfp_keys, parm->keys, ksize); ++ ++ for (i = 0; i < nparms->tcfp_nkeys; ++i) { ++ u32 cur = nparms->tcfp_keys[i].off; + + /* sanitize the shift value for any later use */ +- p->tcfp_keys[i].shift = min_t(size_t, BITS_PER_TYPE(int) - 1, +- p->tcfp_keys[i].shift); ++ nparms->tcfp_keys[i].shift = min_t(size_t, ++ BITS_PER_TYPE(int) - 1, ++ nparms->tcfp_keys[i].shift); + + /* The AT option can read a single byte, we can bound the actual + * value with uchar max. + */ +- cur += (0xff & p->tcfp_keys[i].offmask) >> p->tcfp_keys[i].shift; ++ cur += (0xff & nparms->tcfp_keys[i].offmask) >> nparms->tcfp_keys[i].shift; + + /* Each key touches 4 bytes starting from the computed offset */ +- p->tcfp_off_max_hint = max(p->tcfp_off_max_hint, cur + 4); ++ nparms->tcfp_off_max_hint = ++ max(nparms->tcfp_off_max_hint, cur + 4); + } + +- p->tcfp_flags = parm->flags; ++ p = to_pedit(*a); ++ ++ spin_lock_bh(&p->tcf_lock); + goto_ch = tcf_action_set_ctrlact(*a, parm->action, goto_ch); ++ oparms = rcu_replace_pointer(p->parms, nparms, 1); ++ spin_unlock_bh(&p->tcf_lock); + +- kfree(p->tcfp_keys_ex); +- p->tcfp_keys_ex = keys_ex; ++ if (oparms) ++ call_rcu(&oparms->rcu, tcf_pedit_cleanup_rcu); + +- spin_unlock_bh(&p->tcf_lock); + if (goto_ch) + tcf_chain_put_by_act(goto_ch); ++ + return ret; + + put_chain: + if (goto_ch) + tcf_chain_put_by_act(goto_ch); ++out_free_ex: ++ kfree(nparms->tcfp_keys_ex); ++out_free: ++ kfree(nparms); + out_release: + tcf_idr_release(*a, bind); +-out_free: +- kfree(keys_ex); + return ret; +- + } + + static void tcf_pedit_cleanup(struct tc_action *a) + { + struct tcf_pedit *p = to_pedit(a); +- struct tc_pedit_key *keys = p->tcfp_keys; ++ struct tcf_pedit_parms *parms; + +- kfree(keys); +- kfree(p->tcfp_keys_ex); ++ parms = rcu_dereference_protected(p->parms, 1); ++ ++ if (parms) ++ call_rcu(&parms->rcu, tcf_pedit_cleanup_rcu); + } + + static bool offset_valid(struct sk_buff *skb, int offset) +@@ -324,28 +350,30 @@ static int tcf_pedit_act(struct sk_buff *skb, const struct tc_action *a, + struct tcf_result *res) + { + struct tcf_pedit *p = to_pedit(a); ++ struct tcf_pedit_parms *parms; + u32 max_offset; + int i; + +- spin_lock(&p->tcf_lock); ++ parms = rcu_dereference_bh(p->parms); + + max_offset = (skb_transport_header_was_set(skb) ? + skb_transport_offset(skb) : + skb_network_offset(skb)) + +- p->tcfp_off_max_hint; ++ parms->tcfp_off_max_hint; + if (skb_ensure_writable(skb, min(skb->len, max_offset))) +- goto unlock; ++ goto done; + + tcf_lastuse_update(&p->tcf_tm); ++ tcf_action_update_bstats(&p->common, skb); + +- if (p->tcfp_nkeys > 0) { +- struct tc_pedit_key *tkey = p->tcfp_keys; +- struct tcf_pedit_key_ex *tkey_ex = p->tcfp_keys_ex; ++ if (parms->tcfp_nkeys > 0) { ++ struct tc_pedit_key *tkey = parms->tcfp_keys; ++ struct tcf_pedit_key_ex *tkey_ex = parms->tcfp_keys_ex; + enum pedit_header_type htype = + TCA_PEDIT_KEY_EX_HDR_TYPE_NETWORK; + enum pedit_cmd cmd = TCA_PEDIT_KEY_EX_CMD_SET; + +- for (i = p->tcfp_nkeys; i > 0; i--, tkey++) { ++ for (i = parms->tcfp_nkeys; i > 0; i--, tkey++) { + u32 *ptr, hdata; + int offset = tkey->off; + int hoffset; +@@ -421,11 +449,10 @@ static int tcf_pedit_act(struct sk_buff *skb, const struct tc_action *a, + } + + bad: ++ spin_lock(&p->tcf_lock); + p->tcf_qstats.overlimits++; +-done: +- bstats_update(&p->tcf_bstats, skb); +-unlock: + spin_unlock(&p->tcf_lock); ++done: + return p->tcf_action; + } + +@@ -444,30 +471,33 @@ static int tcf_pedit_dump(struct sk_buff *skb, struct tc_action *a, + { + unsigned char *b = skb_tail_pointer(skb); + struct tcf_pedit *p = to_pedit(a); ++ struct tcf_pedit_parms *parms; + struct tc_pedit *opt; + struct tcf_t t; + int s; + +- s = struct_size(opt, keys, p->tcfp_nkeys); ++ spin_lock_bh(&p->tcf_lock); ++ parms = rcu_dereference_protected(p->parms, 1); ++ s = struct_size(opt, keys, parms->tcfp_nkeys); + +- /* netlink spinlocks held above us - must use ATOMIC */ + opt = kzalloc(s, GFP_ATOMIC); +- if (unlikely(!opt)) ++ if (unlikely(!opt)) { ++ spin_unlock_bh(&p->tcf_lock); + return -ENOBUFS; ++ } + +- spin_lock_bh(&p->tcf_lock); +- memcpy(opt->keys, p->tcfp_keys, flex_array_size(opt, keys, p->tcfp_nkeys)); ++ memcpy(opt->keys, parms->tcfp_keys, ++ flex_array_size(opt, keys, parms->tcfp_nkeys)); + opt->index = p->tcf_index; +- opt->nkeys = p->tcfp_nkeys; +- opt->flags = p->tcfp_flags; ++ opt->nkeys = parms->tcfp_nkeys; ++ opt->flags = parms->tcfp_flags; + opt->action = p->tcf_action; + opt->refcnt = refcount_read(&p->tcf_refcnt) - ref; + opt->bindcnt = atomic_read(&p->tcf_bindcnt) - bind; + +- if (p->tcfp_keys_ex) { +- if (tcf_pedit_key_ex_dump(skb, +- p->tcfp_keys_ex, +- p->tcfp_nkeys)) ++ if (parms->tcfp_keys_ex) { ++ if (tcf_pedit_key_ex_dump(skb, parms->tcfp_keys_ex, ++ parms->tcfp_nkeys)) + goto nla_put_failure; + + if (nla_put(skb, TCA_PEDIT_PARMS_EX, s, opt)) +diff --git a/net/sched/act_sample.c b/net/sched/act_sample.c +index ab4ae24ab886f..ca67d96449176 100644 +--- a/net/sched/act_sample.c ++++ b/net/sched/act_sample.c +@@ -55,8 +55,8 @@ static int tcf_sample_init(struct net *net, struct nlattr *nla, + sample_policy, NULL); + if (ret < 0) + return ret; +- if (!tb[TCA_SAMPLE_PARMS] || !tb[TCA_SAMPLE_RATE] || +- !tb[TCA_SAMPLE_PSAMPLE_GROUP]) ++ ++ if (!tb[TCA_SAMPLE_PARMS]) + return -EINVAL; + + parm = nla_data(tb[TCA_SAMPLE_PARMS]); +@@ -80,6 +80,13 @@ static int tcf_sample_init(struct net *net, struct nlattr *nla, + tcf_idr_release(*a, bind); + return -EEXIST; + } ++ ++ if (!tb[TCA_SAMPLE_RATE] || !tb[TCA_SAMPLE_PSAMPLE_GROUP]) { ++ NL_SET_ERR_MSG(extack, "sample rate and group are required"); ++ err = -EINVAL; ++ goto release_idr; ++ } ++ + err = tcf_action_check_ctrlact(parm->action, tp, &goto_ch, extack); + if (err < 0) + goto release_idr; +diff --git a/net/sched/cls_tcindex.c b/net/sched/cls_tcindex.c +deleted file mode 100644 +index 54c5ff207fb1b..0000000000000 +--- a/net/sched/cls_tcindex.c ++++ /dev/null +@@ -1,756 +0,0 @@ +-// SPDX-License-Identifier: GPL-2.0-only +-/* +- * net/sched/cls_tcindex.c Packet classifier for skb->tc_index +- * +- * Written 1998,1999 by Werner Almesberger, EPFL ICA +- */ +- +-#include <linux/module.h> +-#include <linux/types.h> +-#include <linux/kernel.h> +-#include <linux/skbuff.h> +-#include <linux/errno.h> +-#include <linux/slab.h> +-#include <linux/refcount.h> +-#include <linux/rcupdate.h> +-#include <net/act_api.h> +-#include <net/netlink.h> +-#include <net/pkt_cls.h> +-#include <net/sch_generic.h> +- +-/* +- * Passing parameters to the root seems to be done more awkwardly than really +- * necessary. At least, u32 doesn't seem to use such dirty hacks. To be +- * verified. FIXME. +- */ +- +-#define PERFECT_HASH_THRESHOLD 64 /* use perfect hash if not bigger */ +-#define DEFAULT_HASH_SIZE 64 /* optimized for diffserv */ +- +- +-struct tcindex_data; +- +-struct tcindex_filter_result { +- struct tcf_exts exts; +- struct tcf_result res; +- struct tcindex_data *p; +- struct rcu_work rwork; +-}; +- +-struct tcindex_filter { +- u16 key; +- struct tcindex_filter_result result; +- struct tcindex_filter __rcu *next; +- struct rcu_work rwork; +-}; +- +- +-struct tcindex_data { +- struct tcindex_filter_result *perfect; /* perfect hash; NULL if none */ +- struct tcindex_filter __rcu **h; /* imperfect hash; */ +- struct tcf_proto *tp; +- u16 mask; /* AND key with mask */ +- u32 shift; /* shift ANDed key to the right */ +- u32 hash; /* hash table size; 0 if undefined */ +- u32 alloc_hash; /* allocated size */ +- u32 fall_through; /* 0: only classify if explicit match */ +- refcount_t refcnt; /* a temporary refcnt for perfect hash */ +- struct rcu_work rwork; +-}; +- +-static inline int tcindex_filter_is_set(struct tcindex_filter_result *r) +-{ +- return tcf_exts_has_actions(&r->exts) || r->res.classid; +-} +- +-static void tcindex_data_get(struct tcindex_data *p) +-{ +- refcount_inc(&p->refcnt); +-} +- +-static void tcindex_data_put(struct tcindex_data *p) +-{ +- if (refcount_dec_and_test(&p->refcnt)) { +- kfree(p->perfect); +- kfree(p->h); +- kfree(p); +- } +-} +- +-static struct tcindex_filter_result *tcindex_lookup(struct tcindex_data *p, +- u16 key) +-{ +- if (p->perfect) { +- struct tcindex_filter_result *f = p->perfect + key; +- +- return tcindex_filter_is_set(f) ? f : NULL; +- } else if (p->h) { +- struct tcindex_filter __rcu **fp; +- struct tcindex_filter *f; +- +- fp = &p->h[key % p->hash]; +- for (f = rcu_dereference_bh_rtnl(*fp); +- f; +- fp = &f->next, f = rcu_dereference_bh_rtnl(*fp)) +- if (f->key == key) +- return &f->result; +- } +- +- return NULL; +-} +- +- +-static int tcindex_classify(struct sk_buff *skb, const struct tcf_proto *tp, +- struct tcf_result *res) +-{ +- struct tcindex_data *p = rcu_dereference_bh(tp->root); +- struct tcindex_filter_result *f; +- int key = (skb->tc_index & p->mask) >> p->shift; +- +- pr_debug("tcindex_classify(skb %p,tp %p,res %p),p %p\n", +- skb, tp, res, p); +- +- f = tcindex_lookup(p, key); +- if (!f) { +- struct Qdisc *q = tcf_block_q(tp->chain->block); +- +- if (!p->fall_through) +- return -1; +- res->classid = TC_H_MAKE(TC_H_MAJ(q->handle), key); +- res->class = 0; +- pr_debug("alg 0x%x\n", res->classid); +- return 0; +- } +- *res = f->res; +- pr_debug("map 0x%x\n", res->classid); +- +- return tcf_exts_exec(skb, &f->exts, res); +-} +- +- +-static void *tcindex_get(struct tcf_proto *tp, u32 handle) +-{ +- struct tcindex_data *p = rtnl_dereference(tp->root); +- struct tcindex_filter_result *r; +- +- pr_debug("tcindex_get(tp %p,handle 0x%08x)\n", tp, handle); +- if (p->perfect && handle >= p->alloc_hash) +- return NULL; +- r = tcindex_lookup(p, handle); +- return r && tcindex_filter_is_set(r) ? r : NULL; +-} +- +-static int tcindex_init(struct tcf_proto *tp) +-{ +- struct tcindex_data *p; +- +- pr_debug("tcindex_init(tp %p)\n", tp); +- p = kzalloc(sizeof(struct tcindex_data), GFP_KERNEL); +- if (!p) +- return -ENOMEM; +- +- p->mask = 0xffff; +- p->hash = DEFAULT_HASH_SIZE; +- p->fall_through = 1; +- refcount_set(&p->refcnt, 1); /* Paired with tcindex_destroy_work() */ +- +- rcu_assign_pointer(tp->root, p); +- return 0; +-} +- +-static void __tcindex_destroy_rexts(struct tcindex_filter_result *r) +-{ +- tcf_exts_destroy(&r->exts); +- tcf_exts_put_net(&r->exts); +- tcindex_data_put(r->p); +-} +- +-static void tcindex_destroy_rexts_work(struct work_struct *work) +-{ +- struct tcindex_filter_result *r; +- +- r = container_of(to_rcu_work(work), +- struct tcindex_filter_result, +- rwork); +- rtnl_lock(); +- __tcindex_destroy_rexts(r); +- rtnl_unlock(); +-} +- +-static void __tcindex_destroy_fexts(struct tcindex_filter *f) +-{ +- tcf_exts_destroy(&f->result.exts); +- tcf_exts_put_net(&f->result.exts); +- kfree(f); +-} +- +-static void tcindex_destroy_fexts_work(struct work_struct *work) +-{ +- struct tcindex_filter *f = container_of(to_rcu_work(work), +- struct tcindex_filter, +- rwork); +- +- rtnl_lock(); +- __tcindex_destroy_fexts(f); +- rtnl_unlock(); +-} +- +-static int tcindex_delete(struct tcf_proto *tp, void *arg, bool *last, +- bool rtnl_held, struct netlink_ext_ack *extack) +-{ +- struct tcindex_data *p = rtnl_dereference(tp->root); +- struct tcindex_filter_result *r = arg; +- struct tcindex_filter __rcu **walk; +- struct tcindex_filter *f = NULL; +- +- pr_debug("tcindex_delete(tp %p,arg %p),p %p\n", tp, arg, p); +- if (p->perfect) { +- if (!r->res.class) +- return -ENOENT; +- } else { +- int i; +- +- for (i = 0; i < p->hash; i++) { +- walk = p->h + i; +- for (f = rtnl_dereference(*walk); f; +- walk = &f->next, f = rtnl_dereference(*walk)) { +- if (&f->result == r) +- goto found; +- } +- } +- return -ENOENT; +- +-found: +- rcu_assign_pointer(*walk, rtnl_dereference(f->next)); +- } +- tcf_unbind_filter(tp, &r->res); +- /* all classifiers are required to call tcf_exts_destroy() after rcu +- * grace period, since converted-to-rcu actions are relying on that +- * in cleanup() callback +- */ +- if (f) { +- if (tcf_exts_get_net(&f->result.exts)) +- tcf_queue_work(&f->rwork, tcindex_destroy_fexts_work); +- else +- __tcindex_destroy_fexts(f); +- } else { +- tcindex_data_get(p); +- +- if (tcf_exts_get_net(&r->exts)) +- tcf_queue_work(&r->rwork, tcindex_destroy_rexts_work); +- else +- __tcindex_destroy_rexts(r); +- } +- +- *last = false; +- return 0; +-} +- +-static void tcindex_destroy_work(struct work_struct *work) +-{ +- struct tcindex_data *p = container_of(to_rcu_work(work), +- struct tcindex_data, +- rwork); +- +- tcindex_data_put(p); +-} +- +-static inline int +-valid_perfect_hash(struct tcindex_data *p) +-{ +- return p->hash > (p->mask >> p->shift); +-} +- +-static const struct nla_policy tcindex_policy[TCA_TCINDEX_MAX + 1] = { +- [TCA_TCINDEX_HASH] = { .type = NLA_U32 }, +- [TCA_TCINDEX_MASK] = { .type = NLA_U16 }, +- [TCA_TCINDEX_SHIFT] = { .type = NLA_U32 }, +- [TCA_TCINDEX_FALL_THROUGH] = { .type = NLA_U32 }, +- [TCA_TCINDEX_CLASSID] = { .type = NLA_U32 }, +-}; +- +-static int tcindex_filter_result_init(struct tcindex_filter_result *r, +- struct tcindex_data *p, +- struct net *net) +-{ +- memset(r, 0, sizeof(*r)); +- r->p = p; +- return tcf_exts_init(&r->exts, net, TCA_TCINDEX_ACT, +- TCA_TCINDEX_POLICE); +-} +- +-static void tcindex_free_perfect_hash(struct tcindex_data *cp); +- +-static void tcindex_partial_destroy_work(struct work_struct *work) +-{ +- struct tcindex_data *p = container_of(to_rcu_work(work), +- struct tcindex_data, +- rwork); +- +- rtnl_lock(); +- if (p->perfect) +- tcindex_free_perfect_hash(p); +- kfree(p); +- rtnl_unlock(); +-} +- +-static void tcindex_free_perfect_hash(struct tcindex_data *cp) +-{ +- int i; +- +- for (i = 0; i < cp->hash; i++) +- tcf_exts_destroy(&cp->perfect[i].exts); +- kfree(cp->perfect); +-} +- +-static int tcindex_alloc_perfect_hash(struct net *net, struct tcindex_data *cp) +-{ +- int i, err = 0; +- +- cp->perfect = kcalloc(cp->hash, sizeof(struct tcindex_filter_result), +- GFP_KERNEL | __GFP_NOWARN); +- if (!cp->perfect) +- return -ENOMEM; +- +- for (i = 0; i < cp->hash; i++) { +- err = tcf_exts_init(&cp->perfect[i].exts, net, +- TCA_TCINDEX_ACT, TCA_TCINDEX_POLICE); +- if (err < 0) +- goto errout; +- cp->perfect[i].p = cp; +- } +- +- return 0; +- +-errout: +- tcindex_free_perfect_hash(cp); +- return err; +-} +- +-static int +-tcindex_set_parms(struct net *net, struct tcf_proto *tp, unsigned long base, +- u32 handle, struct tcindex_data *p, +- struct tcindex_filter_result *r, struct nlattr **tb, +- struct nlattr *est, u32 flags, struct netlink_ext_ack *extack) +-{ +- struct tcindex_filter_result new_filter_result; +- struct tcindex_data *cp = NULL, *oldp; +- struct tcindex_filter *f = NULL; /* make gcc behave */ +- struct tcf_result cr = {}; +- int err, balloc = 0; +- struct tcf_exts e; +- bool update_h = false; +- +- err = tcf_exts_init(&e, net, TCA_TCINDEX_ACT, TCA_TCINDEX_POLICE); +- if (err < 0) +- return err; +- err = tcf_exts_validate(net, tp, tb, est, &e, flags, extack); +- if (err < 0) +- goto errout; +- +- err = -ENOMEM; +- /* tcindex_data attributes must look atomic to classifier/lookup so +- * allocate new tcindex data and RCU assign it onto root. Keeping +- * perfect hash and hash pointers from old data. +- */ +- cp = kzalloc(sizeof(*cp), GFP_KERNEL); +- if (!cp) +- goto errout; +- +- cp->mask = p->mask; +- cp->shift = p->shift; +- cp->hash = p->hash; +- cp->alloc_hash = p->alloc_hash; +- cp->fall_through = p->fall_through; +- cp->tp = tp; +- refcount_set(&cp->refcnt, 1); /* Paired with tcindex_destroy_work() */ +- +- if (tb[TCA_TCINDEX_HASH]) +- cp->hash = nla_get_u32(tb[TCA_TCINDEX_HASH]); +- +- if (tb[TCA_TCINDEX_MASK]) +- cp->mask = nla_get_u16(tb[TCA_TCINDEX_MASK]); +- +- if (tb[TCA_TCINDEX_SHIFT]) { +- cp->shift = nla_get_u32(tb[TCA_TCINDEX_SHIFT]); +- if (cp->shift > 16) { +- err = -EINVAL; +- goto errout; +- } +- } +- if (!cp->hash) { +- /* Hash not specified, use perfect hash if the upper limit +- * of the hashing index is below the threshold. +- */ +- if ((cp->mask >> cp->shift) < PERFECT_HASH_THRESHOLD) +- cp->hash = (cp->mask >> cp->shift) + 1; +- else +- cp->hash = DEFAULT_HASH_SIZE; +- } +- +- if (p->perfect) { +- int i; +- +- if (tcindex_alloc_perfect_hash(net, cp) < 0) +- goto errout; +- cp->alloc_hash = cp->hash; +- for (i = 0; i < min(cp->hash, p->hash); i++) +- cp->perfect[i].res = p->perfect[i].res; +- balloc = 1; +- } +- cp->h = p->h; +- +- err = tcindex_filter_result_init(&new_filter_result, cp, net); +- if (err < 0) +- goto errout_alloc; +- if (r) +- cr = r->res; +- +- err = -EBUSY; +- +- /* Hash already allocated, make sure that we still meet the +- * requirements for the allocated hash. +- */ +- if (cp->perfect) { +- if (!valid_perfect_hash(cp) || +- cp->hash > cp->alloc_hash) +- goto errout_alloc; +- } else if (cp->h && cp->hash != cp->alloc_hash) { +- goto errout_alloc; +- } +- +- err = -EINVAL; +- if (tb[TCA_TCINDEX_FALL_THROUGH]) +- cp->fall_through = nla_get_u32(tb[TCA_TCINDEX_FALL_THROUGH]); +- +- if (!cp->perfect && !cp->h) +- cp->alloc_hash = cp->hash; +- +- /* Note: this could be as restrictive as if (handle & ~(mask >> shift)) +- * but then, we'd fail handles that may become valid after some future +- * mask change. While this is extremely unlikely to ever matter, +- * the check below is safer (and also more backwards-compatible). +- */ +- if (cp->perfect || valid_perfect_hash(cp)) +- if (handle >= cp->alloc_hash) +- goto errout_alloc; +- +- +- err = -ENOMEM; +- if (!cp->perfect && !cp->h) { +- if (valid_perfect_hash(cp)) { +- if (tcindex_alloc_perfect_hash(net, cp) < 0) +- goto errout_alloc; +- balloc = 1; +- } else { +- struct tcindex_filter __rcu **hash; +- +- hash = kcalloc(cp->hash, +- sizeof(struct tcindex_filter *), +- GFP_KERNEL); +- +- if (!hash) +- goto errout_alloc; +- +- cp->h = hash; +- balloc = 2; +- } +- } +- +- if (cp->perfect) { +- r = cp->perfect + handle; +- } else { +- /* imperfect area is updated in-place using rcu */ +- update_h = !!tcindex_lookup(cp, handle); +- r = &new_filter_result; +- } +- +- if (r == &new_filter_result) { +- f = kzalloc(sizeof(*f), GFP_KERNEL); +- if (!f) +- goto errout_alloc; +- f->key = handle; +- f->next = NULL; +- err = tcindex_filter_result_init(&f->result, cp, net); +- if (err < 0) { +- kfree(f); +- goto errout_alloc; +- } +- } +- +- if (tb[TCA_TCINDEX_CLASSID]) { +- cr.classid = nla_get_u32(tb[TCA_TCINDEX_CLASSID]); +- tcf_bind_filter(tp, &cr, base); +- } +- +- oldp = p; +- r->res = cr; +- tcf_exts_change(&r->exts, &e); +- +- rcu_assign_pointer(tp->root, cp); +- +- if (update_h) { +- struct tcindex_filter __rcu **fp; +- struct tcindex_filter *cf; +- +- f->result.res = r->res; +- tcf_exts_change(&f->result.exts, &r->exts); +- +- /* imperfect area bucket */ +- fp = cp->h + (handle % cp->hash); +- +- /* lookup the filter, guaranteed to exist */ +- for (cf = rcu_dereference_bh_rtnl(*fp); cf; +- fp = &cf->next, cf = rcu_dereference_bh_rtnl(*fp)) +- if (cf->key == (u16)handle) +- break; +- +- f->next = cf->next; +- +- cf = rcu_replace_pointer(*fp, f, 1); +- tcf_exts_get_net(&cf->result.exts); +- tcf_queue_work(&cf->rwork, tcindex_destroy_fexts_work); +- } else if (r == &new_filter_result) { +- struct tcindex_filter *nfp; +- struct tcindex_filter __rcu **fp; +- +- f->result.res = r->res; +- tcf_exts_change(&f->result.exts, &r->exts); +- +- fp = cp->h + (handle % cp->hash); +- for (nfp = rtnl_dereference(*fp); +- nfp; +- fp = &nfp->next, nfp = rtnl_dereference(*fp)) +- ; /* nothing */ +- +- rcu_assign_pointer(*fp, f); +- } else { +- tcf_exts_destroy(&new_filter_result.exts); +- } +- +- if (oldp) +- tcf_queue_work(&oldp->rwork, tcindex_partial_destroy_work); +- return 0; +- +-errout_alloc: +- if (balloc == 1) +- tcindex_free_perfect_hash(cp); +- else if (balloc == 2) +- kfree(cp->h); +- tcf_exts_destroy(&new_filter_result.exts); +-errout: +- kfree(cp); +- tcf_exts_destroy(&e); +- return err; +-} +- +-static int +-tcindex_change(struct net *net, struct sk_buff *in_skb, +- struct tcf_proto *tp, unsigned long base, u32 handle, +- struct nlattr **tca, void **arg, u32 flags, +- struct netlink_ext_ack *extack) +-{ +- struct nlattr *opt = tca[TCA_OPTIONS]; +- struct nlattr *tb[TCA_TCINDEX_MAX + 1]; +- struct tcindex_data *p = rtnl_dereference(tp->root); +- struct tcindex_filter_result *r = *arg; +- int err; +- +- pr_debug("tcindex_change(tp %p,handle 0x%08x,tca %p,arg %p),opt %p," +- "p %p,r %p,*arg %p\n", +- tp, handle, tca, arg, opt, p, r, *arg); +- +- if (!opt) +- return 0; +- +- err = nla_parse_nested_deprecated(tb, TCA_TCINDEX_MAX, opt, +- tcindex_policy, NULL); +- if (err < 0) +- return err; +- +- return tcindex_set_parms(net, tp, base, handle, p, r, tb, +- tca[TCA_RATE], flags, extack); +-} +- +-static void tcindex_walk(struct tcf_proto *tp, struct tcf_walker *walker, +- bool rtnl_held) +-{ +- struct tcindex_data *p = rtnl_dereference(tp->root); +- struct tcindex_filter *f, *next; +- int i; +- +- pr_debug("tcindex_walk(tp %p,walker %p),p %p\n", tp, walker, p); +- if (p->perfect) { +- for (i = 0; i < p->hash; i++) { +- if (!p->perfect[i].res.class) +- continue; +- if (walker->count >= walker->skip) { +- if (walker->fn(tp, p->perfect + i, walker) < 0) { +- walker->stop = 1; +- return; +- } +- } +- walker->count++; +- } +- } +- if (!p->h) +- return; +- for (i = 0; i < p->hash; i++) { +- for (f = rtnl_dereference(p->h[i]); f; f = next) { +- next = rtnl_dereference(f->next); +- if (walker->count >= walker->skip) { +- if (walker->fn(tp, &f->result, walker) < 0) { +- walker->stop = 1; +- return; +- } +- } +- walker->count++; +- } +- } +-} +- +-static void tcindex_destroy(struct tcf_proto *tp, bool rtnl_held, +- struct netlink_ext_ack *extack) +-{ +- struct tcindex_data *p = rtnl_dereference(tp->root); +- int i; +- +- pr_debug("tcindex_destroy(tp %p),p %p\n", tp, p); +- +- if (p->perfect) { +- for (i = 0; i < p->hash; i++) { +- struct tcindex_filter_result *r = p->perfect + i; +- +- /* tcf_queue_work() does not guarantee the ordering we +- * want, so we have to take this refcnt temporarily to +- * ensure 'p' is freed after all tcindex_filter_result +- * here. Imperfect hash does not need this, because it +- * uses linked lists rather than an array. +- */ +- tcindex_data_get(p); +- +- tcf_unbind_filter(tp, &r->res); +- if (tcf_exts_get_net(&r->exts)) +- tcf_queue_work(&r->rwork, +- tcindex_destroy_rexts_work); +- else +- __tcindex_destroy_rexts(r); +- } +- } +- +- for (i = 0; p->h && i < p->hash; i++) { +- struct tcindex_filter *f, *next; +- bool last; +- +- for (f = rtnl_dereference(p->h[i]); f; f = next) { +- next = rtnl_dereference(f->next); +- tcindex_delete(tp, &f->result, &last, rtnl_held, NULL); +- } +- } +- +- tcf_queue_work(&p->rwork, tcindex_destroy_work); +-} +- +- +-static int tcindex_dump(struct net *net, struct tcf_proto *tp, void *fh, +- struct sk_buff *skb, struct tcmsg *t, bool rtnl_held) +-{ +- struct tcindex_data *p = rtnl_dereference(tp->root); +- struct tcindex_filter_result *r = fh; +- struct nlattr *nest; +- +- pr_debug("tcindex_dump(tp %p,fh %p,skb %p,t %p),p %p,r %p\n", +- tp, fh, skb, t, p, r); +- pr_debug("p->perfect %p p->h %p\n", p->perfect, p->h); +- +- nest = nla_nest_start_noflag(skb, TCA_OPTIONS); +- if (nest == NULL) +- goto nla_put_failure; +- +- if (!fh) { +- t->tcm_handle = ~0; /* whatever ... */ +- if (nla_put_u32(skb, TCA_TCINDEX_HASH, p->hash) || +- nla_put_u16(skb, TCA_TCINDEX_MASK, p->mask) || +- nla_put_u32(skb, TCA_TCINDEX_SHIFT, p->shift) || +- nla_put_u32(skb, TCA_TCINDEX_FALL_THROUGH, p->fall_through)) +- goto nla_put_failure; +- nla_nest_end(skb, nest); +- } else { +- if (p->perfect) { +- t->tcm_handle = r - p->perfect; +- } else { +- struct tcindex_filter *f; +- struct tcindex_filter __rcu **fp; +- int i; +- +- t->tcm_handle = 0; +- for (i = 0; !t->tcm_handle && i < p->hash; i++) { +- fp = &p->h[i]; +- for (f = rtnl_dereference(*fp); +- !t->tcm_handle && f; +- fp = &f->next, f = rtnl_dereference(*fp)) { +- if (&f->result == r) +- t->tcm_handle = f->key; +- } +- } +- } +- pr_debug("handle = %d\n", t->tcm_handle); +- if (r->res.class && +- nla_put_u32(skb, TCA_TCINDEX_CLASSID, r->res.classid)) +- goto nla_put_failure; +- +- if (tcf_exts_dump(skb, &r->exts) < 0) +- goto nla_put_failure; +- nla_nest_end(skb, nest); +- +- if (tcf_exts_dump_stats(skb, &r->exts) < 0) +- goto nla_put_failure; +- } +- +- return skb->len; +- +-nla_put_failure: +- nla_nest_cancel(skb, nest); +- return -1; +-} +- +-static void tcindex_bind_class(void *fh, u32 classid, unsigned long cl, +- void *q, unsigned long base) +-{ +- struct tcindex_filter_result *r = fh; +- +- if (r && r->res.classid == classid) { +- if (cl) +- __tcf_bind_filter(q, &r->res, base); +- else +- __tcf_unbind_filter(q, &r->res); +- } +-} +- +-static struct tcf_proto_ops cls_tcindex_ops __read_mostly = { +- .kind = "tcindex", +- .classify = tcindex_classify, +- .init = tcindex_init, +- .destroy = tcindex_destroy, +- .get = tcindex_get, +- .change = tcindex_change, +- .delete = tcindex_delete, +- .walk = tcindex_walk, +- .dump = tcindex_dump, +- .bind_class = tcindex_bind_class, +- .owner = THIS_MODULE, +-}; +- +-static int __init init_tcindex(void) +-{ +- return register_tcf_proto_ops(&cls_tcindex_ops); +-} +- +-static void __exit exit_tcindex(void) +-{ +- unregister_tcf_proto_ops(&cls_tcindex_ops); +-} +- +-module_init(init_tcindex) +-module_exit(exit_tcindex) +-MODULE_LICENSE("GPL"); +diff --git a/net/sctp/stream_sched_prio.c b/net/sctp/stream_sched_prio.c +index 4fc9f2923ed11..7dd9f8b387cca 100644 +--- a/net/sctp/stream_sched_prio.c ++++ b/net/sctp/stream_sched_prio.c +@@ -25,6 +25,18 @@ + + static void sctp_sched_prio_unsched_all(struct sctp_stream *stream); + ++static struct sctp_stream_priorities *sctp_sched_prio_head_get(struct sctp_stream_priorities *p) ++{ ++ p->users++; ++ return p; ++} ++ ++static void sctp_sched_prio_head_put(struct sctp_stream_priorities *p) ++{ ++ if (p && --p->users == 0) ++ kfree(p); ++} ++ + static struct sctp_stream_priorities *sctp_sched_prio_new_head( + struct sctp_stream *stream, int prio, gfp_t gfp) + { +@@ -38,6 +50,7 @@ static struct sctp_stream_priorities *sctp_sched_prio_new_head( + INIT_LIST_HEAD(&p->active); + p->next = NULL; + p->prio = prio; ++ p->users = 1; + + return p; + } +@@ -53,7 +66,7 @@ static struct sctp_stream_priorities *sctp_sched_prio_get_head( + */ + list_for_each_entry(p, &stream->prio_list, prio_sched) { + if (p->prio == prio) +- return p; ++ return sctp_sched_prio_head_get(p); + if (p->prio > prio) + break; + } +@@ -70,7 +83,7 @@ static struct sctp_stream_priorities *sctp_sched_prio_get_head( + */ + break; + if (p->prio == prio) +- return p; ++ return sctp_sched_prio_head_get(p); + } + + /* If not even there, allocate a new one. */ +@@ -154,32 +167,21 @@ static int sctp_sched_prio_set(struct sctp_stream *stream, __u16 sid, + struct sctp_stream_out_ext *soute = sout->ext; + struct sctp_stream_priorities *prio_head, *old; + bool reschedule = false; +- int i; ++ ++ old = soute->prio_head; ++ if (old && old->prio == prio) ++ return 0; + + prio_head = sctp_sched_prio_get_head(stream, prio, gfp); + if (!prio_head) + return -ENOMEM; + + reschedule = sctp_sched_prio_unsched(soute); +- old = soute->prio_head; + soute->prio_head = prio_head; + if (reschedule) + sctp_sched_prio_sched(stream, soute); + +- if (!old) +- /* Happens when we set the priority for the first time */ +- return 0; +- +- for (i = 0; i < stream->outcnt; i++) { +- soute = SCTP_SO(stream, i)->ext; +- if (soute && soute->prio_head == old) +- /* It's still in use, nothing else to do here. */ +- return 0; +- } +- +- /* No hits, we are good to free it. */ +- kfree(old); +- ++ sctp_sched_prio_head_put(old); + return 0; + } + +@@ -206,20 +208,8 @@ static int sctp_sched_prio_init_sid(struct sctp_stream *stream, __u16 sid, + + static void sctp_sched_prio_free_sid(struct sctp_stream *stream, __u16 sid) + { +- struct sctp_stream_priorities *prio = SCTP_SO(stream, sid)->ext->prio_head; +- int i; +- +- if (!prio) +- return; +- ++ sctp_sched_prio_head_put(SCTP_SO(stream, sid)->ext->prio_head); + SCTP_SO(stream, sid)->ext->prio_head = NULL; +- for (i = 0; i < stream->outcnt; i++) { +- if (SCTP_SO(stream, i)->ext && +- SCTP_SO(stream, i)->ext->prio_head == prio) +- return; +- } +- +- kfree(prio); + } + + static void sctp_sched_prio_free(struct sctp_stream *stream) +diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c +index c0fea678abb1c..bc897ff56e789 100644 +--- a/net/tls/tls_sw.c ++++ b/net/tls/tls_sw.c +@@ -950,7 +950,9 @@ int tls_sw_sendmsg(struct sock *sk, struct msghdr *msg, size_t size) + MSG_CMSG_COMPAT)) + return -EOPNOTSUPP; + +- mutex_lock(&tls_ctx->tx_lock); ++ ret = mutex_lock_interruptible(&tls_ctx->tx_lock); ++ if (ret) ++ return ret; + lock_sock(sk); + + if (unlikely(msg->msg_controllen)) { +@@ -1284,7 +1286,9 @@ int tls_sw_sendpage(struct sock *sk, struct page *page, + MSG_SENDPAGE_NOTLAST | MSG_SENDPAGE_NOPOLICY)) + return -EOPNOTSUPP; + +- mutex_lock(&tls_ctx->tx_lock); ++ ret = mutex_lock_interruptible(&tls_ctx->tx_lock); ++ if (ret) ++ return ret; + lock_sock(sk); + ret = tls_sw_do_sendpage(sk, page, offset, size, flags); + release_sock(sk); +@@ -2284,11 +2288,19 @@ static void tx_work_handler(struct work_struct *work) + + if (!test_and_clear_bit(BIT_TX_SCHEDULED, &ctx->tx_bitmask)) + return; +- mutex_lock(&tls_ctx->tx_lock); +- lock_sock(sk); +- tls_tx_records(sk, -1); +- release_sock(sk); +- mutex_unlock(&tls_ctx->tx_lock); ++ ++ if (mutex_trylock(&tls_ctx->tx_lock)) { ++ lock_sock(sk); ++ tls_tx_records(sk, -1); ++ release_sock(sk); ++ mutex_unlock(&tls_ctx->tx_lock); ++ } else if (!test_and_set_bit(BIT_TX_SCHEDULED, &ctx->tx_bitmask)) { ++ /* Someone is holding the tx_lock, they will likely run Tx ++ * and cancel the work on their way out of the lock section. ++ * Schedule a long delay just in case. ++ */ ++ schedule_delayed_work(&ctx->tx_work.work, msecs_to_jiffies(10)); ++ } + } + + void tls_sw_write_space(struct sock *sk, struct tls_context *ctx) +diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig +index d59a7e99ce42a..c3deb82c5da3a 100644 +--- a/sound/soc/codecs/Kconfig ++++ b/sound/soc/codecs/Kconfig +@@ -1830,7 +1830,7 @@ config SND_SOC_WSA881X + config SND_SOC_ZL38060 + tristate "Microsemi ZL38060 Connected Home Audio Processor" + depends on SPI_MASTER +- select GPIOLIB ++ depends on GPIOLIB + select REGMAP + help + Support for ZL38060 Connected Home Audio Processor from Microsemi, +diff --git a/sound/soc/codecs/adau7118.c b/sound/soc/codecs/adau7118.c +index 841229dcbca10..305f294b7710e 100644 +--- a/sound/soc/codecs/adau7118.c ++++ b/sound/soc/codecs/adau7118.c +@@ -445,22 +445,6 @@ static const struct snd_soc_component_driver adau7118_component_driver = { + .non_legacy_dai_naming = 1, + }; + +-static void adau7118_regulator_disable(void *data) +-{ +- struct adau7118_data *st = data; +- int ret; +- /* +- * If we fail to disable DVDD, don't bother in trying IOVDD. We +- * actually don't want to be left in the situation where DVDD +- * is enabled and IOVDD is disabled. +- */ +- ret = regulator_disable(st->dvdd); +- if (ret) +- return; +- +- regulator_disable(st->iovdd); +-} +- + static int adau7118_regulator_setup(struct adau7118_data *st) + { + st->iovdd = devm_regulator_get(st->dev, "iovdd"); +@@ -482,8 +466,7 @@ static int adau7118_regulator_setup(struct adau7118_data *st) + regcache_cache_only(st->map, true); + } + +- return devm_add_action_or_reset(st->dev, adau7118_regulator_disable, +- st); ++ return 0; + } + + static int adau7118_parset_dt(const struct adau7118_data *st) +diff --git a/sound/soc/mediatek/mt8195/mt8195-dai-etdm.c b/sound/soc/mediatek/mt8195/mt8195-dai-etdm.c +index 7378e42f27669..9031d410bbd0a 100644 +--- a/sound/soc/mediatek/mt8195/mt8195-dai-etdm.c ++++ b/sound/soc/mediatek/mt8195/mt8195-dai-etdm.c +@@ -2567,6 +2567,9 @@ static void mt8195_dai_etdm_parse_of(struct mtk_base_afe *afe) + + /* etdm in only */ + for (i = 0; i < 2; i++) { ++ dai_id = ETDM_TO_DAI_ID(i); ++ etdm_data = afe_priv->dai_priv[dai_id]; ++ + ret = snprintf(prop, sizeof(prop), + "mediatek,%s-chn-disabled", + of_afe_etdms[i].name); +diff --git a/tools/iio/iio_utils.c b/tools/iio/iio_utils.c +index 8d35893b2fa85..6a00a6eecaef0 100644 +--- a/tools/iio/iio_utils.c ++++ b/tools/iio/iio_utils.c +@@ -264,6 +264,7 @@ int iioutils_get_param_float(float *output, const char *param_name, + if (fscanf(sysfsfp, "%f", output) != 1) + ret = errno ? -errno : -ENODATA; + ++ fclose(sysfsfp); + break; + } + error_free_filename: +@@ -345,9 +346,9 @@ int build_channel_array(const char *device_dir, int buffer_idx, + } + + sysfsfp = fopen(filename, "r"); ++ free(filename); + if (!sysfsfp) { + ret = -errno; +- free(filename); + goto error_close_dir; + } + +@@ -357,7 +358,6 @@ int build_channel_array(const char *device_dir, int buffer_idx, + if (fclose(sysfsfp)) + perror("build_channel_array(): Failed to close file"); + +- free(filename); + goto error_close_dir; + } + if (ret == 1) +@@ -365,11 +365,9 @@ int build_channel_array(const char *device_dir, int buffer_idx, + + if (fclose(sysfsfp)) { + ret = -errno; +- free(filename); + goto error_close_dir; + } + +- free(filename); + } + + *ci_array = malloc(sizeof(**ci_array) * (*counter)); +@@ -395,9 +393,9 @@ int build_channel_array(const char *device_dir, int buffer_idx, + } + + sysfsfp = fopen(filename, "r"); ++ free(filename); + if (!sysfsfp) { + ret = -errno; +- free(filename); + count--; + goto error_cleanup_array; + } +@@ -405,20 +403,17 @@ int build_channel_array(const char *device_dir, int buffer_idx, + errno = 0; + if (fscanf(sysfsfp, "%i", ¤t_enabled) != 1) { + ret = errno ? -errno : -ENODATA; +- free(filename); + count--; + goto error_cleanup_array; + } + + if (fclose(sysfsfp)) { + ret = -errno; +- free(filename); + count--; + goto error_cleanup_array; + } + + if (!current_enabled) { +- free(filename); + count--; + continue; + } +@@ -429,7 +424,6 @@ int build_channel_array(const char *device_dir, int buffer_idx, + strlen(ent->d_name) - + strlen("_en")); + if (!current->name) { +- free(filename); + ret = -ENOMEM; + count--; + goto error_cleanup_array; +@@ -439,7 +433,6 @@ int build_channel_array(const char *device_dir, int buffer_idx, + ret = iioutils_break_up_name(current->name, + ¤t->generic_name); + if (ret) { +- free(filename); + free(current->name); + count--; + goto error_cleanup_array; +@@ -450,17 +443,16 @@ int build_channel_array(const char *device_dir, int buffer_idx, + scan_el_dir, + current->name); + if (ret < 0) { +- free(filename); + ret = -ENOMEM; + goto error_cleanup_array; + } + + sysfsfp = fopen(filename, "r"); ++ free(filename); + if (!sysfsfp) { + ret = -errno; +- fprintf(stderr, "failed to open %s\n", +- filename); +- free(filename); ++ fprintf(stderr, "failed to open %s/%s_index\n", ++ scan_el_dir, current->name); + goto error_cleanup_array; + } + +@@ -470,17 +462,14 @@ int build_channel_array(const char *device_dir, int buffer_idx, + if (fclose(sysfsfp)) + perror("build_channel_array(): Failed to close file"); + +- free(filename); + goto error_cleanup_array; + } + + if (fclose(sysfsfp)) { + ret = -errno; +- free(filename); + goto error_cleanup_array; + } + +- free(filename); + /* Find the scale */ + ret = iioutils_get_param_float(¤t->scale, + "scale", +diff --git a/tools/objtool/check.c b/tools/objtool/check.c +index 2fc0270e3c1f7..32f119e8c3b2c 100644 +--- a/tools/objtool/check.c ++++ b/tools/objtool/check.c +@@ -573,6 +573,7 @@ static int create_static_call_sections(struct objtool_file *file) + if (strncmp(key_name, STATIC_CALL_TRAMP_PREFIX_STR, + STATIC_CALL_TRAMP_PREFIX_LEN)) { + WARN("static_call: trampoline name malformed: %s", key_name); ++ free(key_name); + return -1; + } + tmp = key_name + STATIC_CALL_TRAMP_PREFIX_LEN - STATIC_CALL_KEY_PREFIX_LEN; +@@ -582,6 +583,7 @@ static int create_static_call_sections(struct objtool_file *file) + if (!key_sym) { + if (!module) { + WARN("static_call: can't find static_call_key symbol: %s", tmp); ++ free(key_name); + return -1; + } + |