diff --git a/Makefile b/Makefile index c6b3a3d62f6c..4eeb72027815 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 5 PATCHLEVEL = 4 -SUBLEVEL = 150 +SUBLEVEL = 151 EXTRAVERSION = NAME = Kleptomaniac Octopus

diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c index 9cb3266e148d..70758f99c9e4 100644 --- a/arch/x86/events/intel/core.c +++ b/arch/x86/events/intel/core.c @@ -259,6 +259,7 @@ static struct event_constraint intel_icl_event_constraints[] = { INTEL_EVENT_CONSTRAINT_RANGE(0xa8, 0xb0, 0xf), INTEL_EVENT_CONSTRAINT_RANGE(0xb7, 0xbd, 0xf), INTEL_EVENT_CONSTRAINT_RANGE(0xd0, 0xe6, 0xf), + INTEL_EVENT_CONSTRAINT(0xef, 0xf), INTEL_EVENT_CONSTRAINT_RANGE(0xf0, 0xf4, 0xf), EVENT_CONSTRAINT_END }; diff --git a/arch/x86/include/asm/kvmclock.h b/arch/x86/include/asm/kvmclock.h index eceea9299097..6c5765192102 100644 --- a/arch/x86/include/asm/kvmclock.h +++ b/arch/x86/include/asm/kvmclock.h @@ -2,6 +2,20 @@ #ifndef _ASM_X86_KVM_CLOCK_H #define _ASM_X86_KVM_CLOCK_H

+#include <linux/percpu.h> + extern struct clocksource kvm_clock;

+DECLARE_PER_CPU(struct pvclock_vsyscall_time_info *, hv_clock_per_cpu); + +static inline struct pvclock_vcpu_time_info *this_cpu_pvti(void) +{ + return &this_cpu_read(hv_clock_per_cpu)->pvti; +} + +static inline struct pvclock_vsyscall_time_info *this_cpu_hvclock(void) +{ + return this_cpu_read(hv_clock_per_cpu); +} + #endif /* _ASM_X86_KVM_CLOCK_H */ diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c index 4a0802af2e3e..d81e34e614e0 100644 --- a/arch/x86/kernel/kvmclock.c +++ b/arch/x86/kernel/kvmclock.c @@ -50,18 +50,9 @@ early_param("no-kvmclock-vsyscall", parse_no_kvmclock_vsyscall); static struct pvclock_vsyscall_time_info hv_clock_boot[HVC_BOOT_ARRAY_SIZE] __bss_decrypted __aligned(PAGE_SIZE); static struct pvclock_wall_clock wall_clock __bss_decrypted; -static DEFINE_PER_CPU(struct pvclock_vsyscall_time_info *, hv_clock_per_cpu); static struct pvclock_vsyscall_time_info *hvclock_mem; - -static inline struct pvclock_vcpu_time_info *this_cpu_pvti(void) -{ - return &this_cpu_read(hv_clock_per_cpu)->pvti; -} - -static inline struct pvclock_vsyscall_time_info *this_cpu_hvclock(void) -{ - return this_cpu_read(hv_clock_per_cpu); -} +DEFINE_PER_CPU(struct pvclock_vsyscall_time_info *, hv_clock_per_cpu); +EXPORT_PER_CPU_SYMBOL_GPL(hv_clock_per_cpu);

/* * The wallclock is the time of day when we booted. Since then, some time may diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c index 8dee243e639f..73bffd7af15c 100644 --- a/block/bfq-iosched.c +++ b/block/bfq-iosched.c @@ -2523,15 +2523,6 @@ bfq_setup_merge(struct bfq_queue *bfqq, struct bfq_queue *new_bfqq) * are likely to increase the throughput. */ bfqq->new_bfqq = new_bfqq; - /* - * The above assignment schedules the following redirections: - * each time some I/O for bfqq arrives, the process that - * generated that I/O is disassociated from bfqq and - * associated with new_bfqq. Here we increases new_bfqq->ref - * in advance, adding the number of processes that are - * expected to be associated with new_bfqq as they happen to - * issue I/O. - */ new_bfqq->ref += process_refs; return new_bfqq; } @@ -2591,10 +2582,6 @@ bfq_setup_cooperator(struct bfq_data *bfqd, struct bfq_queue *bfqq, { struct bfq_queue *in_service_bfqq, *new_bfqq;

- /* if a merge has already been setup, then proceed with that first */ - if (bfqq->new_bfqq) - return bfqq->new_bfqq; - /* * Do not perform queue merging if the device is non * rotational and performs internal queueing. In fact, such a @@ -2649,6 +2636,9 @@ bfq_setup_cooperator(struct bfq_data *bfqd, struct bfq_queue *bfqq, if (bfq_too_late_for_merging(bfqq)) return NULL;

+ if (bfqq->new_bfqq) + return bfqq->new_bfqq; + if (!io_struct || unlikely(bfqq == &bfqd->oom_bfqq)) return NULL;

diff --git a/drivers/cpufreq/cpufreq_governor_attr_set.c b/drivers/cpufreq/cpufreq_governor_attr_set.c index 66b05a326910..a6f365b9cc1a 100644 --- a/drivers/cpufreq/cpufreq_governor_attr_set.c +++ b/drivers/cpufreq/cpufreq_governor_attr_set.c @@ -74,8 +74,8 @@ unsigned int gov_attr_set_put(struct gov_attr_set *attr_set, struct list_head *l if (count) return count;

- kobject_put(&attr_set->kobj); mutex_destroy(&attr_set->update_lock); + kobject_put(&attr_set->kobj); return 0; } EXPORT_SYMBOL_GPL(gov_attr_set_put); diff --git a/drivers/crypto/ccp/ccp-ops.c b/drivers/crypto/ccp/ccp-ops.c index 7234b95241e9..e826c4b6b3af 100644 --- a/drivers/crypto/ccp/ccp-ops.c +++ b/drivers/crypto/ccp/ccp-ops.c @@ -778,7 +778,7 @@ ccp_run_aes_gcm_cmd(struct ccp_cmd_queue *cmd_q, struct ccp_cmd *cmd) in_place ? DMA_BIDIRECTIONAL : DMA_TO_DEVICE); if (ret) - goto e_ctx; + goto e_aad;

if (in_place) { dst = src; @@ -863,7 +863,7 @@ ccp_run_aes_gcm_cmd(struct ccp_cmd_queue *cmd_q, struct ccp_cmd *cmd) op.u.aes.size = 0; ret = cmd_q->ccp->vdata->perform->aes(&op); if (ret) - goto e_dst; + goto e_final_wa;

if (aes->action == CCP_AES_ACTION_ENCRYPT) { /* Put the ciphered tag after the ciphertext. */ @@ -873,17 +873,19 @@ ccp_run_aes_gcm_cmd(struct ccp_cmd_queue *cmd_q, struct ccp_cmd *cmd) ret = ccp_init_dm_workarea(&tag, cmd_q, authsize, DMA_BIDIRECTIONAL); if (ret) - goto e_tag; + goto e_final_wa; ret = ccp_set_dm_area(&tag, 0, p_tag, 0, authsize); - if (ret) - goto e_tag; + if (ret) { + ccp_dm_free(&tag); + goto e_final_wa; + }

ret = crypto_memneq(tag.address, final_wa.address, authsize) ? -EBADMSG : 0; ccp_dm_free(&tag); }

-e_tag: +e_final_wa: ccp_dm_free(&final_wa);

e_dst: diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 0dc60fe22aef..8e4d863c7570 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -664,6 +664,7 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)

init_data.asic_id.pci_revision_id = adev->rev_id; init_data.asic_id.hw_internal_rev = adev->external_rev_id; + init_data.asic_id.chip_id = adev->pdev->device;

init_data.asic_id.vram_width = adev->gmc.vram_width; /* TODO: initialize init_data.asic_id.vram_type here!!!! */ diff --git a/drivers/hid/hid-betopff.c b/drivers/hid/hid-betopff.c index 0790fbd3fc9a..467d789f9bc2 100644 --- a/drivers/hid/hid-betopff.c +++ b/drivers/hid/hid-betopff.c @@ -56,15 +56,22 @@ static int betopff_init(struct hid_device *hid) { struct betopff_device *betopff; struct hid_report *report; - struct hid_input *hidinput = - list_first_entry(&hid->inputs, struct hid_input, list); + struct hid_input *hidinput; struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; - struct input_dev *dev = hidinput->input; + struct input_dev *dev; int field_count = 0; int error; int i, j;

+ if (list_empty(&hid->inputs)) { + hid_err(hid, "no inputs found\n"); + return -ENODEV; + } + + hidinput = list_first_entry(&hid->inputs, struct hid_input, list); + dev = hidinput->input; + if (list_empty(report_list)) { hid_err(hid, "no output reports found\n"); return -ENODEV; diff --git a/drivers/hid/hid-u2fzero.c b/drivers/hid/hid-u2fzero.c index 95e0807878c7..d70cd3d7f583 100644 --- a/drivers/hid/hid-u2fzero.c +++ b/drivers/hid/hid-u2fzero.c @@ -198,7 +198,9 @@ static int u2fzero_rng_read(struct hwrng *rng, void *data, }

ret = u2fzero_recv(dev, &req, &resp); - if (ret < 0) + + /* ignore errors or packets without data */ + if (ret < offsetof(struct u2f_hid_msg, init.data)) return 0;

/* only take the minimum amount of data it is safe to take */ diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index 1cfbbaf6901d..8537fcdb456d 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -503,7 +503,7 @@ static void hid_ctrl(struct urb *urb)

if (unplug) { usbhid->ctrltail = usbhid->ctrlhead; - } else { + } else if (usbhid->ctrlhead != usbhid->ctrltail) { usbhid->ctrltail = (usbhid->ctrltail + 1) & (HID_CONTROL_FIFO_SIZE - 1);

if (usbhid->ctrlhead != usbhid->ctrltail && @@ -1221,9 +1221,20 @@ static void usbhid_stop(struct hid_device *hid) mutex_lock(&usbhid->mutex);

clear_bit(HID_STARTED, &usbhid->iofl); + spin_lock_irq(&usbhid->lock); /* Sync with error and led handlers */ set_bit(HID_DISCONNECTED, &usbhid->iofl); + while (usbhid->ctrltail != usbhid->ctrlhead) { + if (usbhid->ctrl[usbhid->ctrltail].dir == USB_DIR_OUT) { + kfree(usbhid->ctrl[usbhid->ctrltail].raw_report); + usbhid->ctrl[usbhid->ctrltail].raw_report = NULL; + } + + usbhid->ctrltail = (usbhid->ctrltail + 1) & + (HID_CONTROL_FIFO_SIZE - 1); + } spin_unlock_irq(&usbhid->lock); + usb_kill_urb(usbhid->urbin); usb_kill_urb(usbhid->urbout); usb_kill_urb(usbhid->urbctrl); diff --git a/drivers/hwmon/mlxreg-fan.c b/drivers/hwmon/mlxreg-fan.c index ed8d59d4eecb..bd8f5a3aaad9 100644 --- a/drivers/hwmon/mlxreg-fan.c +++ b/drivers/hwmon/mlxreg-fan.c @@ -291,8 +291,8 @@ static int mlxreg_fan_set_cur_state(struct thermal_cooling_device *cdev, { struct mlxreg_fan *fan = cdev->devdata; unsigned long cur_state; + int i, config = 0; u32 regval; - int i; int err;

/* @@ -305,6 +305,12 @@ static int mlxreg_fan_set_cur_state(struct thermal_cooling_device *cdev, * overwritten. */ if (state >= MLXREG_FAN_SPEED_MIN && state <= MLXREG_FAN_SPEED_MAX) { + /* + * This is configuration change, which is only supported through sysfs. + * For configuration non-zero value is to be returned to avoid thermal + * statistics update. + */ + config = 1; state -= MLXREG_FAN_MAX_STATE; for (i = 0; i < state; i++) fan->cooling_levels[i] = state; @@ -319,7 +325,7 @@ static int mlxreg_fan_set_cur_state(struct thermal_cooling_device *cdev,

cur_state = MLXREG_FAN_PWM_DUTY2STATE(regval); if (state < cur_state) - return 0; + return config;

state = cur_state; } @@ -335,7 +341,7 @@ static int mlxreg_fan_set_cur_state(struct thermal_cooling_device *cdev, dev_err(fan->dev, "Failed to write PWM duty\n"); return err; } - return 0; + return config; }

static const struct thermal_cooling_device_ops mlxreg_fan_cooling_ops = { diff --git a/drivers/hwmon/tmp421.c b/drivers/hwmon/tmp421.c index a94e35cff3e5..876ccf77a825 100644 --- a/drivers/hwmon/tmp421.c +++ b/drivers/hwmon/tmp421.c @@ -100,23 +100,17 @@ struct tmp421_data { s16 temp[4]; };

-static int temp_from_s16(s16 reg) +static int temp_from_raw(u16 reg, bool extended) { /* Mask out status bits */ int temp = reg & ~0xf;

- return (temp * 1000 + 128) / 256; -} - -static int temp_from_u16(u16 reg) -{ - /* Mask out status bits */ - int temp = reg & ~0xf; - - /* Add offset for extended temperature range. */ - temp -= 64 * 256; + if (extended) + temp = temp - 64 * 256; + else + temp = (s16)temp;

- return (temp * 1000 + 128) / 256; + return DIV_ROUND_CLOSEST(temp * 1000, 256); }

static struct tmp421_data *tmp421_update_device(struct device *dev) @@ -153,17 +147,15 @@ static int tmp421_read(struct device *dev, enum hwmon_sensor_types type,

switch (attr) { case hwmon_temp_input: - if (tmp421->config & TMP421_CONFIG_RANGE) - *val = temp_from_u16(tmp421->temp[channel]); - else - *val = temp_from_s16(tmp421->temp[channel]); + *val = temp_from_raw(tmp421->temp[channel], + tmp421->config & TMP421_CONFIG_RANGE); return 0; case hwmon_temp_fault: /* - * The OPEN bit signals a fault. This is bit 0 of the temperature - * register (low byte). + * Any of OPEN or /PVLD bits indicate a hardware mulfunction + * and the conversion result may be incorrect */ - *val = tmp421->temp[channel] & 0x01; + *val = !!(tmp421->temp[channel] & 0x03); return 0; default: return -EOPNOTSUPP; @@ -176,9 +168,6 @@ static umode_t tmp421_is_visible(const void *data, enum hwmon_sensor_types type, { switch (attr) { case hwmon_temp_fault: - if (channel == 0) - return 0; - return 0444; case hwmon_temp_input: return 0444; default: diff --git a/drivers/hwmon/w83791d.c b/drivers/hwmon/w83791d.c index aad8d4da5802..b586e917e6ed 100644 --- a/drivers/hwmon/w83791d.c +++ b/drivers/hwmon/w83791d.c @@ -273,9 +273,6 @@ struct w83791d_data { char valid; /* !=0 if following fields are valid */ unsigned long last_updated; /* In jiffies */

- /* array of 2 pointers to subclients */ - struct i2c_client *lm75[2]; - /* volts */ u8 in[NUMBER_OF_VIN]; /* Register value */ u8 in_max[NUMBER_OF_VIN]; /* Register value */ @@ -1258,7 +1255,6 @@ static const struct attribute_group w83791d_group_fanpwm45 = { static int w83791d_detect_subclients(struct i2c_client *client) { struct i2c_adapter *adapter = client->adapter; - struct w83791d_data *data = i2c_get_clientdata(client); int address = client->addr; int i, id; u8 val; @@ -1281,22 +1277,19 @@ static int w83791d_detect_subclients(struct i2c_client *client) }

val = w83791d_read(client, W83791D_REG_I2C_SUBADDR); - if (!(val & 0x08)) - data->lm75[0] = devm_i2c_new_dummy_device(&client->dev, adapter, - 0x48 + (val & 0x7)); - if (!(val & 0x80)) { - if (!IS_ERR(data->lm75[0]) && - ((val & 0x7) == ((val >> 4) & 0x7))) { - dev_err(&client->dev, - "duplicate addresses 0x%x, " - "use force_subclient\n", - data->lm75[0]->addr); - return -ENODEV; - } - data->lm75[1] = devm_i2c_new_dummy_device(&client->dev, adapter, - 0x48 + ((val >> 4) & 0x7)); + + if (!(val & 0x88) && (val & 0x7) == ((val >> 4) & 0x7)) { + dev_err(&client->dev, + "duplicate addresses 0x%x, use force_subclient\n", 0x48 + (val & 0x7)); + return -ENODEV; }

+ if (!(val & 0x08)) + devm_i2c_new_dummy_device(&client->dev, adapter, 0x48 + (val & 0x7)); + + if (!(val & 0x80)) + devm_i2c_new_dummy_device(&client->dev, adapter, 0x48 + ((val >> 4) & 0x7)); + return 0; }

diff --git a/drivers/hwmon/w83792d.c b/drivers/hwmon/w83792d.c index 7fc8a1160c8f..f91db4be2fc7 100644 --- a/drivers/hwmon/w83792d.c +++ b/drivers/hwmon/w83792d.c @@ -264,9 +264,6 @@ struct w83792d_data { char valid; /* !=0 if following fields are valid */ unsigned long last_updated; /* In jiffies */

- /* array of 2 pointers to subclients */ - struct i2c_client *lm75[2]; - u8 in[9]; /* Register value */ u8 in_max[9]; /* Register value */ u8 in_min[9]; /* Register value */ @@ -928,7 +925,6 @@ w83792d_detect_subclients(struct i2c_client *new_client) int address = new_client->addr; u8 val; struct i2c_adapter *adapter = new_client->adapter; - struct w83792d_data *data = i2c_get_clientdata(new_client);

id = i2c_adapter_id(adapter); if (force_subclients[0] == id && force_subclients[1] == address) { @@ -947,21 +943,19 @@ w83792d_detect_subclients(struct i2c_client *new_client) }

val = w83792d_read_value(new_client, W83792D_REG_I2C_SUBADDR); - if (!(val & 0x08)) - data->lm75[0] = devm_i2c_new_dummy_device(&new_client->dev, adapter, - 0x48 + (val & 0x7)); - if (!(val & 0x80)) { - if (!IS_ERR(data->lm75[0]) && - ((val & 0x7) == ((val >> 4) & 0x7))) { - dev_err(&new_client->dev, - "duplicate addresses 0x%x, use force_subclient\n", - data->lm75[0]->addr); - return -ENODEV; - } - data->lm75[1] = devm_i2c_new_dummy_device(&new_client->dev, adapter, - 0x48 + ((val >> 4) & 0x7)); + + if (!(val & 0x88) && (val & 0x7) == ((val >> 4) & 0x7)) { + dev_err(&new_client->dev, + "duplicate addresses 0x%x, use force_subclient\n", 0x48 + (val & 0x7)); + return -ENODEV; }

+ if (!(val & 0x08)) + devm_i2c_new_dummy_device(&new_client->dev, adapter, 0x48 + (val & 0x7)); + + if (!(val & 0x80)) + devm_i2c_new_dummy_device(&new_client->dev, adapter, 0x48 + ((val >> 4) & 0x7)); + return 0; }

diff --git a/drivers/hwmon/w83793.c b/drivers/hwmon/w83793.c index 9df48b70c70c..640330a3a8dc 100644 --- a/drivers/hwmon/w83793.c +++ b/drivers/hwmon/w83793.c @@ -202,7 +202,6 @@ static inline s8 TEMP_TO_REG(long val, s8 min, s8 max) }

struct w83793_data { - struct i2c_client *lm75[2]; struct device *hwmon_dev; struct mutex update_lock; char valid; /* !=0 if following fields are valid */ @@ -1566,7 +1565,6 @@ w83793_detect_subclients(struct i2c_client *client) int address = client->addr; u8 tmp; struct i2c_adapter *adapter = client->adapter; - struct w83793_data *data = i2c_get_clientdata(client);

id = i2c_adapter_id(adapter); if (force_subclients[0] == id && force_subclients[1] == address) { @@ -1586,21 +1584,19 @@ w83793_detect_subclients(struct i2c_client *client) }

tmp = w83793_read_value(client, W83793_REG_I2C_SUBADDR); - if (!(tmp & 0x08)) - data->lm75[0] = devm_i2c_new_dummy_device(&client->dev, adapter, - 0x48 + (tmp & 0x7)); - if (!(tmp & 0x80)) { - if (!IS_ERR(data->lm75[0]) - && ((tmp & 0x7) == ((tmp >> 4) & 0x7))) { - dev_err(&client->dev, - "duplicate addresses 0x%x, " - "use force_subclients\n", data->lm75[0]->addr); - return -ENODEV; - } - data->lm75[1] = devm_i2c_new_dummy_device(&client->dev, adapter, - 0x48 + ((tmp >> 4) & 0x7)); + + if (!(tmp & 0x88) && (tmp & 0x7) == ((tmp >> 4) & 0x7)) { + dev_err(&client->dev, + "duplicate addresses 0x%x, use force_subclient\n", 0x48 + (tmp & 0x7)); + return -ENODEV; }

+ if (!(tmp & 0x08)) + devm_i2c_new_dummy_device(&client->dev, adapter, 0x48 + (tmp & 0x7)); + + if (!(tmp & 0x80)) + devm_i2c_new_dummy_device(&client->dev, adapter, 0x48 + ((tmp >> 4) & 0x7)); + return 0; }

diff --git a/drivers/ipack/devices/ipoctal.c b/drivers/ipack/devices/ipoctal.c index 9c2a4b5d30cf..0f1dca623b5a 100644 --- a/drivers/ipack/devices/ipoctal.c +++ b/drivers/ipack/devices/ipoctal.c @@ -35,6 +35,7 @@ struct ipoctal_channel { unsigned int pointer_read; unsigned int pointer_write; struct tty_port tty_port; + bool tty_registered; union scc2698_channel __iomem *regs; union scc2698_block __iomem *block_regs; unsigned int board_id; @@ -83,22 +84,34 @@ static int ipoctal_port_activate(struct tty_port *port, struct tty_struct *tty) return 0; }

-static int ipoctal_open(struct tty_struct *tty, struct file *file) +static int ipoctal_install(struct tty_driver *driver, struct tty_struct *tty) { struct ipoctal_channel *channel = dev_get_drvdata(tty->dev); struct ipoctal *ipoctal = chan_to_ipoctal(channel, tty->index); - int err; - - tty->driver_data = channel; + int res;

if (!ipack_get_carrier(ipoctal->dev)) return -EBUSY;

- err = tty_port_open(&channel->tty_port, tty, file); - if (err) - ipack_put_carrier(ipoctal->dev); + res = tty_standard_install(driver, tty); + if (res) + goto err_put_carrier; + + tty->driver_data = channel; + + return 0; + +err_put_carrier: + ipack_put_carrier(ipoctal->dev); + + return res; +} + +static int ipoctal_open(struct tty_struct *tty, struct file *file) +{ + struct ipoctal_channel *channel = tty->driver_data;

- return err; + return tty_port_open(&channel->tty_port, tty, file); }

static void ipoctal_reset_stats(struct ipoctal_stats *stats) @@ -266,7 +279,6 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr, int res; int i; struct tty_driver *tty; - char name[20]; struct ipoctal_channel *channel; struct ipack_region *region; void __iomem *addr; @@ -357,8 +369,11 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr, /* Fill struct tty_driver with ipoctal data */ tty->owner = THIS_MODULE; tty->driver_name = KBUILD_MODNAME; - sprintf(name, KBUILD_MODNAME ".%d.%d.", bus_nr, slot); - tty->name = name; + tty->name = kasprintf(GFP_KERNEL, KBUILD_MODNAME ".%d.%d.", bus_nr, slot); + if (!tty->name) { + res = -ENOMEM; + goto err_put_driver; + } tty->major = 0;

tty->minor_start = 0; @@ -374,8 +389,7 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr, res = tty_register_driver(tty); if (res) { dev_err(&ipoctal->dev->dev, "Can't register tty driver.\n"); - put_tty_driver(tty); - return res; + goto err_free_name; }

/* Save struct tty_driver for use it when uninstalling the device */ @@ -386,7 +400,9 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr,

channel = &ipoctal->channel[i]; tty_port_init(&channel->tty_port); - tty_port_alloc_xmit_buf(&channel->tty_port); + res = tty_port_alloc_xmit_buf(&channel->tty_port); + if (res) + continue; channel->tty_port.ops = &ipoctal_tty_port_ops;

ipoctal_reset_stats(&channel->stats); @@ -394,13 +410,15 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr, spin_lock_init(&channel->lock); channel->pointer_read = 0; channel->pointer_write = 0; - tty_dev = tty_port_register_device(&channel->tty_port, tty, i, NULL); + tty_dev = tty_port_register_device_attr(&channel->tty_port, tty, + i, NULL, channel, NULL); if (IS_ERR(tty_dev)) { dev_err(&ipoctal->dev->dev, "Failed to register tty device.\n"); + tty_port_free_xmit_buf(&channel->tty_port); tty_port_destroy(&channel->tty_port); continue; } - dev_set_drvdata(tty_dev, channel); + channel->tty_registered = true; }

/* @@ -412,6 +430,13 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr, ipoctal_irq_handler, ipoctal);

return 0; + +err_free_name: + kfree(tty->name); +err_put_driver: + put_tty_driver(tty); + + return res; }

static inline int ipoctal_copy_write_buffer(struct ipoctal_channel *channel, @@ -652,6 +677,7 @@ static void ipoctal_cleanup(struct tty_struct *tty)

static const struct tty_operations ipoctal_fops = { .ioctl = NULL, + .install = ipoctal_install, .open = ipoctal_open, .close = ipoctal_close, .write = ipoctal_write_tty, @@ -694,12 +720,17 @@ static void __ipoctal_remove(struct ipoctal *ipoctal)

for (i = 0; i < NR_CHANNELS; i++) { struct ipoctal_channel *channel = &ipoctal->channel[i]; + + if (!channel->tty_registered) + continue; + tty_unregister_device(ipoctal->tty_drv, i); tty_port_free_xmit_buf(&channel->tty_port); tty_port_destroy(&channel->tty_port); }

tty_unregister_driver(ipoctal->tty_drv); + kfree(ipoctal->tty_drv->name); put_tty_driver(ipoctal->tty_drv); kfree(ipoctal); } diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index db9c8f943811..ffd1018d43fb 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -452,6 +452,11 @@ static int hns3_nic_net_open(struct net_device *netdev) if (hns3_nic_resetting(netdev)) return -EBUSY;

+ if (!test_bit(HNS3_NIC_STATE_DOWN, &priv->state)) { + netdev_warn(netdev, "net open repeatedly!\n"); + return 0; + } + netif_carrier_off(netdev);

ret = hns3_nic_set_real_num_queue(netdev); diff --git a/drivers/net/ethernet/intel/e100.c b/drivers/net/ethernet/intel/e100.c index 911b3d2a94e1..70962967d714 100644 --- a/drivers/net/ethernet/intel/e100.c +++ b/drivers/net/ethernet/intel/e100.c @@ -2435,11 +2435,15 @@ static void e100_get_drvinfo(struct net_device *netdev, sizeof(info->bus_info)); }

-#define E100_PHY_REGS 0x1C +#define E100_PHY_REGS 0x1D static int e100_get_regs_len(struct net_device *netdev) { struct nic *nic = netdev_priv(netdev); - return 1 + E100_PHY_REGS + sizeof(nic->mem->dump_buf); + + /* We know the number of registers, and the size of the dump buffer. + * Calculate the total size in bytes. + */ + return (1 + E100_PHY_REGS) * sizeof(u32) + sizeof(nic->mem->dump_buf); }

static void e100_get_regs(struct net_device *netdev, @@ -2453,14 +2457,18 @@ static void e100_get_regs(struct net_device *netdev, buff[0] = ioread8(&nic->csr->scb.cmd_hi) << 24 | ioread8(&nic->csr->scb.cmd_lo) << 16 | ioread16(&nic->csr->scb.status); - for (i = E100_PHY_REGS; i >= 0; i--) - buff[1 + E100_PHY_REGS - i] = - mdio_read(netdev, nic->mii.phy_id, i); + for (i = 0; i < E100_PHY_REGS; i++) + /* Note that we read the registers in reverse order. This + * ordering is the ABI apparently used by ethtool and other + * applications. + */ + buff[1 + i] = mdio_read(netdev, nic->mii.phy_id, + E100_PHY_REGS - 1 - i); memset(nic->mem->dump_buf, 0, sizeof(nic->mem->dump_buf)); e100_exec_cb(nic, NULL, e100_dump); msleep(10); - memcpy(&buff[2 + E100_PHY_REGS], nic->mem->dump_buf, - sizeof(nic->mem->dump_buf)); + memcpy(&buff[1 + E100_PHY_REGS], nic->mem->dump_buf, + sizeof(nic->mem->dump_buf)); }

static void e100_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index e09851c7da9b..835ac178bc8c 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -4855,8 +4855,6 @@ int stmmac_resume(struct device *dev) stmmac_mdio_reset(priv->mii); }

- netif_device_attach(ndev); - mutex_lock(&priv->lock);

stmmac_reset_queues_param(priv); @@ -4880,6 +4878,8 @@ int stmmac_resume(struct device *dev)

phylink_mac_change(priv->phylink, true);

+ netif_device_attach(ndev); + return 0; } EXPORT_SYMBOL_GPL(stmmac_resume); diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c index 9ad1f093c4ae..31200275a064 100644 --- a/drivers/net/usb/hso.c +++ b/drivers/net/usb/hso.c @@ -2497,7 +2497,7 @@ static struct hso_device *hso_create_net_device(struct usb_interface *interface, hso_net_init); if (!net) { dev_err(&interface->dev, "Unable to create ethernet device\n"); - goto exit; + goto err_hso_dev; }

hso_net = netdev_priv(net); @@ -2510,13 +2510,13 @@ static struct hso_device *hso_create_net_device(struct usb_interface *interface, USB_DIR_IN); if (!hso_net->in_endp) { dev_err(&interface->dev, "Can't find BULK IN endpoint\n"); - goto exit; + goto err_net; } hso_net->out_endp = hso_get_ep(interface, USB_ENDPOINT_XFER_BULK, USB_DIR_OUT); if (!hso_net->out_endp) { dev_err(&interface->dev, "Can't find BULK OUT endpoint\n"); - goto exit; + goto err_net; } SET_NETDEV_DEV(net, &interface->dev); SET_NETDEV_DEVTYPE(net, &hso_type); @@ -2525,18 +2525,18 @@ static struct hso_device *hso_create_net_device(struct usb_interface *interface, for (i = 0; i < MUX_BULK_RX_BUF_COUNT; i++) { hso_net->mux_bulk_rx_urb_pool[i] = usb_alloc_urb(0, GFP_KERNEL); if (!hso_net->mux_bulk_rx_urb_pool[i]) - goto exit; + goto err_mux_bulk_rx; hso_net->mux_bulk_rx_buf_pool[i] = kzalloc(MUX_BULK_RX_BUF_SIZE, GFP_KERNEL); if (!hso_net->mux_bulk_rx_buf_pool[i]) - goto exit; + goto err_mux_bulk_rx; } hso_net->mux_bulk_tx_urb = usb_alloc_urb(0, GFP_KERNEL); if (!hso_net->mux_bulk_tx_urb) - goto exit; + goto err_mux_bulk_rx; hso_net->mux_bulk_tx_buf = kzalloc(MUX_BULK_TX_BUF_SIZE, GFP_KERNEL); if (!hso_net->mux_bulk_tx_buf) - goto exit; + goto err_free_tx_urb;

add_net_device(hso_dev);

@@ -2544,7 +2544,7 @@ static struct hso_device *hso_create_net_device(struct usb_interface *interface, result = register_netdev(net); if (result) { dev_err(&interface->dev, "Failed to register device\n"); - goto exit; + goto err_free_tx_buf; }

hso_log_port(hso_dev); @@ -2552,8 +2552,21 @@ static struct hso_device *hso_create_net_device(struct usb_interface *interface, hso_create_rfkill(hso_dev, interface);

return hso_dev; -exit: - hso_free_net_device(hso_dev); + +err_free_tx_buf: + remove_net_device(hso_dev); + kfree(hso_net->mux_bulk_tx_buf); +err_free_tx_urb: + usb_free_urb(hso_net->mux_bulk_tx_urb); +err_mux_bulk_rx: + for (i = 0; i < MUX_BULK_RX_BUF_COUNT; i++) { + usb_free_urb(hso_net->mux_bulk_rx_urb_pool[i]); + kfree(hso_net->mux_bulk_rx_buf_pool[i]); + } +err_net: + free_netdev(net); +err_hso_dev: + kfree(hso_dev); return NULL; }

diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index 1033513d3d9d..07b070b14d75 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -1603,8 +1603,8 @@ mac80211_hwsim_beacon(struct hrtimer *timer) bcn_int -= data->bcn_delta; data->bcn_delta = 0; } - hrtimer_forward(&data->beacon_timer, hrtimer_get_expires(timer), - ns_to_ktime(bcn_int * NSEC_PER_USEC)); + hrtimer_forward_now(&data->beacon_timer, + ns_to_ktime(bcn_int * NSEC_PER_USEC)); return HRTIMER_RESTART; }

diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c index f9f76f6ba07b..7e65306b2bf2 100644 --- a/drivers/nvdimm/pmem.c +++ b/drivers/nvdimm/pmem.c @@ -423,11 +423,11 @@ static int pmem_attach_disk(struct device *dev, pmem->pfn_flags |= PFN_MAP; memcpy(&bb_res, &pmem->pgmap.res, sizeof(bb_res)); } else { + addr = devm_memremap(dev, pmem->phys_addr, + pmem->size, ARCH_MEMREMAP_PMEM); if (devm_add_action_or_reset(dev, pmem_release_queue, &pmem->pgmap)) return -ENOMEM; - addr = devm_memremap(dev, pmem->phys_addr, - pmem->size, ARCH_MEMREMAP_PMEM); memcpy(&bb_res, &nsio->res, sizeof(bb_res)); }

diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index f28213b62527..a41d04c57642 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -564,7 +564,7 @@ static struct pci_bus *pci_alloc_bus(struct pci_bus *parent) return b; }

-static void devm_pci_release_host_bridge_dev(struct device *dev) +static void pci_release_host_bridge_dev(struct device *dev) { struct pci_host_bridge *bridge = to_pci_host_bridge(dev);

@@ -573,12 +573,7 @@ static void devm_pci_release_host_bridge_dev(struct device *dev)

pci_free_resource_list(&bridge->windows); pci_free_resource_list(&bridge->dma_ranges); -} - -static void pci_release_host_bridge_dev(struct device *dev) -{ - devm_pci_release_host_bridge_dev(dev); - kfree(to_pci_host_bridge(dev)); + kfree(bridge); }

static void pci_init_host_bridge(struct pci_host_bridge *bridge) @@ -597,6 +592,8 @@ static void pci_init_host_bridge(struct pci_host_bridge *bridge) bridge->native_shpc_hotplug = 1; bridge->native_pme = 1; bridge->native_ltr = 1; + + device_initialize(&bridge->dev); }

struct pci_host_bridge *pci_alloc_host_bridge(size_t priv) @@ -614,17 +611,25 @@ struct pci_host_bridge *pci_alloc_host_bridge(size_t priv) } EXPORT_SYMBOL(pci_alloc_host_bridge);

+static void devm_pci_alloc_host_bridge_release(void *data) +{ + pci_free_host_bridge(data); +} + struct pci_host_bridge *devm_pci_alloc_host_bridge(struct device *dev, size_t priv) { + int ret; struct pci_host_bridge *bridge;

- bridge = devm_kzalloc(dev, sizeof(*bridge) + priv, GFP_KERNEL); + bridge = pci_alloc_host_bridge(priv); if (!bridge) return NULL;

- pci_init_host_bridge(bridge); - bridge->dev.release = devm_pci_release_host_bridge_dev; + ret = devm_add_action_or_reset(dev, devm_pci_alloc_host_bridge_release, + bridge); + if (ret) + return NULL;

return bridge; } @@ -632,10 +637,7 @@ EXPORT_SYMBOL(devm_pci_alloc_host_bridge);

void pci_free_host_bridge(struct pci_host_bridge *bridge) { - pci_free_resource_list(&bridge->windows); - pci_free_resource_list(&bridge->dma_ranges); - - kfree(bridge); + put_device(&bridge->dev); } EXPORT_SYMBOL(pci_free_host_bridge);

@@ -866,7 +868,7 @@ static int pci_register_host_bridge(struct pci_host_bridge *bridge) if (err) goto free;

- err = device_register(&bridge->dev); + err = device_add(&bridge->dev); if (err) { put_device(&bridge->dev); goto free; @@ -933,7 +935,7 @@ static int pci_register_host_bridge(struct pci_host_bridge *bridge)

unregister: put_device(&bridge->dev); - device_unregister(&bridge->dev); + device_del(&bridge->dev);

free: kfree(bus); @@ -2945,7 +2947,7 @@ struct pci_bus *pci_create_root_bus(struct device *parent, int bus, return bridge->bus;

err_out: - kfree(bridge); + put_device(&bridge->dev); return NULL; } EXPORT_SYMBOL_GPL(pci_create_root_bus); diff --git a/drivers/pci/remove.c b/drivers/pci/remove.c index e9c6b120cf45..95dec03d9f2a 100644 --- a/drivers/pci/remove.c +++ b/drivers/pci/remove.c @@ -160,6 +160,6 @@ void pci_remove_root_bus(struct pci_bus *bus) host_bridge->bus = NULL;

/* remove the host bridge */ - device_unregister(&host_bridge->dev); + device_del(&host_bridge->dev); } EXPORT_SYMBOL_GPL(pci_remove_root_bus); diff --git a/drivers/scsi/csiostor/csio_init.c b/drivers/scsi/csiostor/csio_init.c index a6dd704d7f2d..1b8ccadc7cf6 100644 --- a/drivers/scsi/csiostor/csio_init.c +++ b/drivers/scsi/csiostor/csio_init.c @@ -1257,3 +1257,4 @@ MODULE_DEVICE_TABLE(pci, csio_pci_tbl); MODULE_VERSION(CSIO_DRV_VERSION); MODULE_FIRMWARE(FW_FNAME_T5); MODULE_FIRMWARE(FW_FNAME_T6); +MODULE_SOFTDEP("pre: cxgb4"); diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 0429ba5d7d23..24396f4d5f2d 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -320,8 +320,7 @@ static void ufshcd_add_query_upiu_trace(struct ufs_hba *hba, unsigned int tag, static void ufshcd_add_tm_upiu_trace(struct ufs_hba *hba, unsigned int tag, const char *str) { - int off = (int)tag - hba->nutrs; - struct utp_task_req_desc *descp = &hba->utmrdl_base_addr[off]; + struct utp_task_req_desc *descp = &hba->utmrdl_base_addr[tag];

trace_ufshcd_upiu(dev_name(hba->dev), str, &descp->req_header, &descp->input_param1); diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index 404b80dc06b8..d1ab8561e258 100644 --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -1215,8 +1215,25 @@ static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc, new_row_size = new_cols << 1; new_screen_size = new_row_size * new_rows;

- if (new_cols == vc->vc_cols && new_rows == vc->vc_rows) - return 0; + if (new_cols == vc->vc_cols && new_rows == vc->vc_rows) { + /* + * This function is being called here to cover the case + * where the userspace calls the FBIOPUT_VSCREENINFO twice, + * passing the same fb_var_screeninfo containing the fields + * yres/xres equal to a number non-multiple of vc_font.height + * and yres_virtual/xres_virtual equal to number lesser than the + * vc_font.height and yres/xres. + * In the second call, the struct fb_var_screeninfo isn't + * being modified by the underlying driver because of the + * if above, and this causes the fbcon_display->vrows to become + * negative and it eventually leads to out-of-bound + * access by the imageblit function. + * To give the correct values to the struct and to not have + * to deal with possible errors from the code below, we call + * the resize_screen here as well. + */ + return resize_screen(vc, new_cols, new_rows, user); + }

if (new_screen_size > KMALLOC_MAX_SIZE || !new_screen_size) return -EINVAL; diff --git a/drivers/usb/cdns3/gadget.c b/drivers/usb/cdns3/gadget.c index c3bf54cc530f..296f2ee1b680 100644 --- a/drivers/usb/cdns3/gadget.c +++ b/drivers/usb/cdns3/gadget.c @@ -807,6 +807,19 @@ static void cdns3_wa1_tray_restore_cycle_bit(struct cdns3_device *priv_dev, cdns3_wa1_restore_cycle_bit(priv_ep); }

+static void cdns3_rearm_drdy_if_needed(struct cdns3_endpoint *priv_ep) +{ + struct cdns3_device *priv_dev = priv_ep->cdns3_dev; + + if (priv_dev->dev_ver < DEV_VER_V3) + return; + + if (readl(&priv_dev->regs->ep_sts) & EP_STS_TRBERR) { + writel(EP_STS_TRBERR, &priv_dev->regs->ep_sts); + writel(EP_CMD_DRDY, &priv_dev->regs->ep_cmd); + } +} + /** * cdns3_ep_run_transfer - start transfer on no-default endpoint hardware * @priv_ep: endpoint object @@ -1003,6 +1016,7 @@ int cdns3_ep_run_transfer(struct cdns3_endpoint *priv_ep, /*clearing TRBERR and EP_STS_DESCMIS before seting DRDY*/ writel(EP_STS_TRBERR | EP_STS_DESCMIS, &priv_dev->regs->ep_sts); writel(EP_CMD_DRDY, &priv_dev->regs->ep_cmd); + cdns3_rearm_drdy_if_needed(priv_ep); trace_cdns3_doorbell_epx(priv_ep->name, readl(&priv_dev->regs->ep_traddr)); } diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index 7ce3cfd965d2..72cd871544ac 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -583,7 +583,7 @@ static unsigned long load_elf_interp(struct elfhdr *interp_elf_ex,

vaddr = eppnt->p_vaddr; if (interp_elf_ex->e_type == ET_EXEC || load_addr_set) - elf_type |= MAP_FIXED_NOREPLACE; + elf_type |= MAP_FIXED; else if (no_base && interp_elf_ex->e_type == ET_DYN) load_addr = -vaddr;

diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c index 1c74a7cbf5b1..e595a29bf46e 100644 --- a/fs/debugfs/inode.c +++ b/fs/debugfs/inode.c @@ -522,7 +522,7 @@ struct dentry *debugfs_create_file_size(const char *name, umode_t mode, { struct dentry *de = debugfs_create_file(name, mode, parent, data, fops);

- if (de) + if (!IS_ERR(de)) d_inode(de)->i_size = file_size; return de; } diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c index 0589e914663f..e8275b5d2743 100644 --- a/fs/ext4/dir.c +++ b/fs/ext4/dir.c @@ -536,7 +536,7 @@ static int ext4_dx_readdir(struct file *file, struct dir_context *ctx) struct dir_private_info *info = file->private_data; struct inode *inode = file_inode(file); struct fname *fname; - int ret; + int ret = 0;

if (!info) { info = ext4_htree_create_dir_info(file, ctx->pos); @@ -584,7 +584,7 @@ static int ext4_dx_readdir(struct file *file, struct dir_context *ctx) info->curr_minor_hash, &info->next_hash); if (ret < 0) - return ret; + goto finished; if (ret == 0) { ctx->pos = ext4_get_htree_eof(file); break; @@ -615,7 +615,7 @@ static int ext4_dx_readdir(struct file *file, struct dir_context *ctx) } finished: info->last_pos = ctx->pos; - return 0; + return ret < 0 ? ret : 0; }

static int ext4_dir_open(struct inode * inode, struct file * filp) diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 1429d01d836b..48b467353f6f 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -1782,6 +1782,7 @@ static int ext4_insert_delayed_block(struct inode *inode, ext4_lblk_t lblk) struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); int ret; bool allocated = false; + bool reserved = false;

/* * If the cluster containing lblk is shared with a delayed, @@ -1798,6 +1799,7 @@ static int ext4_insert_delayed_block(struct inode *inode, ext4_lblk_t lblk) ret = ext4_da_reserve_space(inode); if (ret != 0) /* ENOSPC */ goto errout; + reserved = true; } else { /* bigalloc */ if (!ext4_es_scan_clu(inode, &ext4_es_is_delonly, lblk)) { if (!ext4_es_scan_clu(inode, @@ -1810,6 +1812,7 @@ static int ext4_insert_delayed_block(struct inode *inode, ext4_lblk_t lblk) ret = ext4_da_reserve_space(inode); if (ret != 0) /* ENOSPC */ goto errout; + reserved = true; } else { allocated = true; } @@ -1820,6 +1823,8 @@ static int ext4_insert_delayed_block(struct inode *inode, ext4_lblk_t lblk) }

ret = ext4_es_insert_delayed_block(inode, lblk, allocated); + if (ret && reserved) + ext4_da_release_space(inode, 1);

errout: return ret; diff --git a/fs/ext4/super.c b/fs/ext4/super.c index ce8372ceaa43..1211ae203fac 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -1141,6 +1141,12 @@ static void ext4_destroy_inode(struct inode *inode) true); dump_stack(); } + + if (EXT4_I(inode)->i_reserved_data_blocks) + ext4_msg(inode->i_sb, KERN_ERR, + "Inode %lu (%p): i_reserved_data_blocks (%u) not cleared!", + inode->i_ino, EXT4_I(inode), + EXT4_I(inode)->i_reserved_data_blocks); }

static void init_once(void *foo) @@ -2830,17 +2836,17 @@ static loff_t ext4_max_size(int blkbits, int has_huge_files) */ static loff_t ext4_max_bitmap_size(int bits, int has_huge_files) { - loff_t res = EXT4_NDIR_BLOCKS; + unsigned long long upper_limit, res = EXT4_NDIR_BLOCKS; int meta_blocks; - loff_t upper_limit; - /* This is calculated to be the largest file size for a dense, block + + /* + * This is calculated to be the largest file size for a dense, block * mapped file such that the file's total number of 512-byte sectors, * including data and all indirect blocks, does not exceed (2^48 - 1). * * __u32 i_blocks_lo and _u16 i_blocks_high represent the total * number of 512-byte sectors of the file. */ - if (!has_huge_files) { /* * !has_huge_files or implies that the inode i_block field @@ -2883,7 +2889,7 @@ static loff_t ext4_max_bitmap_size(int bits, int has_huge_files) if (res > MAX_LFS_FILESIZE) res = MAX_LFS_FILESIZE;

- return res; + return (loff_t)res; }

static ext4_fsblk_t descriptor_loc(struct super_block *sb, diff --git a/fs/verity/enable.c b/fs/verity/enable.c index eabc6ac19906..1370bfd17e87 100644 --- a/fs/verity/enable.c +++ b/fs/verity/enable.c @@ -136,7 +136,7 @@ static int build_merkle_tree(struct inode *inode, * (level 0) and ascending to the root node (level 'num_levels - 1'). * Then at the end (level 'num_levels'), calculate the root hash. */ - blocks = (inode->i_size + params->block_size - 1) >> + blocks = ((u64)inode->i_size + params->block_size - 1) >> params->log_blocksize; for (level = 0; level <= params->num_levels; level++) { err = build_merkle_tree_level(inode, level, blocks, params, diff --git a/fs/verity/open.c b/fs/verity/open.c index 63d1004b688c..6200826107c2 100644 --- a/fs/verity/open.c +++ b/fs/verity/open.c @@ -89,7 +89,7 @@ int fsverity_init_merkle_tree_params(struct merkle_tree_params *params, */

/* Compute number of levels and the number of blocks in each level */ - blocks = (inode->i_size + params->block_size - 1) >> log_blocksize; + blocks = ((u64)inode->i_size + params->block_size - 1) >> log_blocksize; pr_debug("Data is %lld bytes (%llu blocks)\n", inode->i_size, blocks); while (blocks > 1) { if (params->num_levels >= FS_VERITY_MAX_LEVELS) { diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h index ffbae7683450..cb6c12562899 100644 --- a/include/net/ip_fib.h +++ b/include/net/ip_fib.h @@ -524,5 +524,5 @@ int ip_valid_fib_dump_req(struct net *net, const struct nlmsghdr *nlh, int fib_nexthop_info(struct sk_buff *skb, const struct fib_nh_common *nh, u8 rt_family, unsigned char *flags, bool skip_oif); int fib_add_nexthop(struct sk_buff *skb, const struct fib_nh_common *nh, - int nh_weight, u8 rt_family); + int nh_weight, u8 rt_family, u32 nh_tclassid); #endif /* _NET_FIB_H */ diff --git a/include/net/nexthop.h b/include/net/nexthop.h index 18a5aca26476..5ad614793af2 100644 --- a/include/net/nexthop.h +++ b/include/net/nexthop.h @@ -173,7 +173,7 @@ int nexthop_mpath_fill_node(struct sk_buff *skb, struct nexthop *nh, struct fib_nh_common *nhc = &nhi->fib_nhc; int weight = nhg->nh_entries[i].weight;

- if (fib_add_nexthop(skb, nhc, weight, rt_family) < 0) + if (fib_add_nexthop(skb, nhc, weight, rt_family, 0) < 0) return -EMSGSIZE; }

diff --git a/include/net/sock.h b/include/net/sock.h index d3dd89b6e2cb..079b5f6f13d8 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -470,8 +470,10 @@ struct sock { u32 sk_ack_backlog; u32 sk_max_ack_backlog; kuid_t sk_uid; + spinlock_t sk_peer_lock; struct pid *sk_peer_pid; const struct cred *sk_peer_cred; + long sk_rcvtimeo; ktime_t sk_stamp; #if BITS_PER_LONG==32 diff --git a/kernel/sched/cpufreq_schedutil.c b/kernel/sched/cpufreq_schedutil.c index 4cb80e6042c4..831fee509404 100644 --- a/kernel/sched/cpufreq_schedutil.c +++ b/kernel/sched/cpufreq_schedutil.c @@ -624,9 +624,17 @@ static struct attribute *sugov_attrs[] = { }; ATTRIBUTE_GROUPS(sugov);

+static void sugov_tunables_free(struct kobject *kobj) +{ + struct gov_attr_set *attr_set = container_of(kobj, struct gov_attr_set, kobj); + + kfree(to_sugov_tunables(attr_set)); +} + static struct kobj_type sugov_tunables_ktype = { .default_groups = sugov_groups, .sysfs_ops = &governor_sysfs_ops, + .release = &sugov_tunables_free, };

/********************** cpufreq governor interface *********************/ @@ -726,12 +734,10 @@ static struct sugov_tunables *sugov_tunables_alloc(struct sugov_policy *sg_polic return tunables; }

-static void sugov_tunables_free(struct sugov_tunables *tunables) +static void sugov_clear_global_tunables(void) { if (!have_governor_per_policy()) global_tunables = NULL; - - kfree(tunables); }

static int sugov_init(struct cpufreq_policy *policy) @@ -794,7 +800,7 @@ static int sugov_init(struct cpufreq_policy *policy) fail: kobject_put(&tunables->attr_set.kobj); policy->governor_data = NULL; - sugov_tunables_free(tunables); + sugov_clear_global_tunables();

stop_kthread: sugov_kthread_stop(sg_policy); @@ -821,7 +827,7 @@ static void sugov_exit(struct cpufreq_policy *policy) count = gov_attr_set_put(&tunables->attr_set, &sg_policy->tunables_hook); policy->governor_data = NULL; if (!count) - sugov_tunables_free(tunables); + sugov_clear_global_tunables();

mutex_unlock(&global_tunables_lock);

diff --git a/net/core/sock.c b/net/core/sock.c index 452883b28aba..57b7a10703c3 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -1181,6 +1181,16 @@ int sock_setsockopt(struct socket *sock, int level, int optname, } EXPORT_SYMBOL(sock_setsockopt);

+static const struct cred *sk_get_peer_cred(struct sock *sk) +{ + const struct cred *cred; + + spin_lock(&sk->sk_peer_lock); + cred = get_cred(sk->sk_peer_cred); + spin_unlock(&sk->sk_peer_lock); + + return cred; +}

static void cred_to_ucred(struct pid *pid, const struct cred *cred, struct ucred *ucred) @@ -1355,7 +1365,11 @@ int sock_getsockopt(struct socket *sock, int level, int optname, struct ucred peercred; if (len > sizeof(peercred)) len = sizeof(peercred); + + spin_lock(&sk->sk_peer_lock); cred_to_ucred(sk->sk_peer_pid, sk->sk_peer_cred, &peercred); + spin_unlock(&sk->sk_peer_lock); + if (copy_to_user(optval, &peercred, len)) return -EFAULT; goto lenout; @@ -1363,20 +1377,23 @@ int sock_getsockopt(struct socket *sock, int level, int optname,

case SO_PEERGROUPS: { + const struct cred *cred; int ret, n;

- if (!sk->sk_peer_cred) + cred = sk_get_peer_cred(sk); + if (!cred) return -ENODATA;

- n = sk->sk_peer_cred->group_info->ngroups; + n = cred->group_info->ngroups; if (len < n * sizeof(gid_t)) { len = n * sizeof(gid_t); + put_cred(cred); return put_user(len, optlen) ? -EFAULT : -ERANGE; } len = n * sizeof(gid_t);

- ret = groups_to_user((gid_t __user *)optval, - sk->sk_peer_cred->group_info); + ret = groups_to_user((gid_t __user *)optval, cred->group_info); + put_cred(cred); if (ret) return ret; goto lenout; @@ -1714,9 +1731,10 @@ static void __sk_destruct(struct rcu_head *head) sk->sk_frag.page = NULL; }

- if (sk->sk_peer_cred) - put_cred(sk->sk_peer_cred); + /* We do not need to acquire sk->sk_peer_lock, we are the last user. */ + put_cred(sk->sk_peer_cred); put_pid(sk->sk_peer_pid); + if (likely(sk->sk_net_refcnt)) put_net(sock_net(sk)); sk_prot_free(sk->sk_prot_creator, sk); @@ -2915,6 +2933,8 @@ void sock_init_data(struct socket *sock, struct sock *sk)

sk->sk_peer_pid = NULL; sk->sk_peer_cred = NULL; + spin_lock_init(&sk->sk_peer_lock); + sk->sk_write_pending = 0; sk->sk_rcvlowat = 1; sk->sk_rcvtimeo = MAX_SCHEDULE_TIMEOUT; diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c index b1b3220917ca..dce85a9c20c6 100644 --- a/net/ipv4/fib_semantics.c +++ b/net/ipv4/fib_semantics.c @@ -1654,7 +1654,7 @@ EXPORT_SYMBOL_GPL(fib_nexthop_info);

#if IS_ENABLED(CONFIG_IP_ROUTE_MULTIPATH) || IS_ENABLED(CONFIG_IPV6) int fib_add_nexthop(struct sk_buff *skb, const struct fib_nh_common *nhc, - int nh_weight, u8 rt_family) + int nh_weight, u8 rt_family, u32 nh_tclassid) { const struct net_device *dev = nhc->nhc_dev; struct rtnexthop *rtnh; @@ -1672,6 +1672,9 @@ int fib_add_nexthop(struct sk_buff *skb, const struct fib_nh_common *nhc,

rtnh->rtnh_flags = flags;

+ if (nh_tclassid && nla_put_u32(skb, RTA_FLOW, nh_tclassid)) + goto nla_put_failure; + /* length of rtnetlink header + attributes */ rtnh->rtnh_len = nlmsg_get_pos(skb) - (void *)rtnh;

@@ -1699,14 +1702,13 @@ static int fib_add_multipath(struct sk_buff *skb, struct fib_info *fi) }

for_nexthops(fi) { - if (fib_add_nexthop(skb, &nh->nh_common, nh->fib_nh_weight, - AF_INET) < 0) - goto nla_put_failure; + u32 nh_tclassid = 0; #ifdef CONFIG_IP_ROUTE_CLASSID - if (nh->nh_tclassid && - nla_put_u32(skb, RTA_FLOW, nh->nh_tclassid)) - goto nla_put_failure; + nh_tclassid = nh->nh_tclassid; #endif + if (fib_add_nexthop(skb, &nh->nh_common, nh->fib_nh_weight, + AF_INET, nh_tclassid) < 0) + goto nla_put_failure; } endfor_nexthops(fi);

mp_end: diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 6f277bd30ea3..de04d9941885 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -981,7 +981,7 @@ int udp_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) __be16 dport; u8 tos; int err, is_udplite = IS_UDPLITE(sk); - int corkreq = up->corkflag || msg->msg_flags&MSG_MORE; + int corkreq = READ_ONCE(up->corkflag) || msg->msg_flags&MSG_MORE; int (*getfrag)(void *, char *, int, int, int, struct sk_buff *); struct sk_buff *skb; struct ip_options_data opt_copy; @@ -1289,7 +1289,7 @@ int udp_sendpage(struct sock *sk, struct page *page, int offset, }

up->len += size; - if (!(up->corkflag || (flags&MSG_MORE))) + if (!(READ_ONCE(up->corkflag) || (flags&MSG_MORE))) ret = udp_push_pending_frames(sk); if (!ret) ret = size; @@ -2551,9 +2551,9 @@ int udp_lib_setsockopt(struct sock *sk, int level, int optname, switch (optname) { case UDP_CORK: if (val != 0) { - up->corkflag = 1; + WRITE_ONCE(up->corkflag, 1); } else { - up->corkflag = 0; + WRITE_ONCE(up->corkflag, 0); lock_sock(sk); push_pending_frames(sk); release_sock(sk); @@ -2676,7 +2676,7 @@ int udp_lib_getsockopt(struct sock *sk, int level, int optname,

switch (optname) { case UDP_CORK: - val = up->corkflag; + val = READ_ONCE(up->corkflag); break;

case UDP_ENCAP: diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 575bd0f1b008..3fb259c20546 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -5523,14 +5523,15 @@ static int rt6_fill_node(struct net *net, struct sk_buff *skb, goto nla_put_failure;

if (fib_add_nexthop(skb, &rt->fib6_nh->nh_common, - rt->fib6_nh->fib_nh_weight, AF_INET6) < 0) + rt->fib6_nh->fib_nh_weight, AF_INET6, + 0) < 0) goto nla_put_failure;

list_for_each_entry_safe(sibling, next_sibling, &rt->fib6_siblings, fib6_siblings) { if (fib_add_nexthop(skb, &sibling->fib6_nh->nh_common, sibling->fib6_nh->fib_nh_weight, - AF_INET6) < 0) + AF_INET6, 0) < 0) goto nla_put_failure; }

diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index 776427e80efb..5b8266f3e47f 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -1231,7 +1231,7 @@ int udpv6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) int addr_len = msg->msg_namelen; bool connected = false; int ulen = len; - int corkreq = up->corkflag || msg->msg_flags&MSG_MORE; + int corkreq = READ_ONCE(up->corkflag) || msg->msg_flags&MSG_MORE; int err; int is_udplite = IS_UDPLITE(sk); int (*getfrag)(void *, char *, int, int, int, struct sk_buff *); diff --git a/net/mac80211/mesh_ps.c b/net/mac80211/mesh_ps.c index 031e905f684a..bf83f512f748 100644 --- a/net/mac80211/mesh_ps.c +++ b/net/mac80211/mesh_ps.c @@ -2,6 +2,7 @@ /* * Copyright 2012-2013, Marco Porsch marco.porsch@s2005.tu-chemnitz.de * Copyright 2012-2013, cozybit Inc. + * Copyright (C) 2021 Intel Corporation */

#include "mesh.h" @@ -584,7 +585,7 @@ void ieee80211_mps_frame_release(struct sta_info *sta,

/* only transmit to PS STA with announced, non-zero awake window */ if (test_sta_flag(sta, WLAN_STA_PS_STA) && - (!elems->awake_window || !le16_to_cpu(*elems->awake_window))) + (!elems->awake_window || !get_unaligned_le16(elems->awake_window))) return;

if (!test_sta_flag(sta, WLAN_STA_MPSP_OWNER)) diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 4dfac7a25e5a..d82d22b6a2a9 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -2156,7 +2156,11 @@ static bool ieee80211_parse_tx_radiotap(struct ieee80211_local *local, }

vht_mcs = iterator.this_arg[4] >> 4; + if (vht_mcs > 11) + vht_mcs = 0; vht_nss = iterator.this_arg[4] & 0xF; + if (!vht_nss || vht_nss > 8) + vht_nss = 1; break;

/* @@ -3325,6 +3329,14 @@ static bool ieee80211_amsdu_aggregate(struct ieee80211_sub_if_data *sdata, if (!ieee80211_amsdu_prepare_head(sdata, fast_tx, head)) goto out;

+ /* If n == 2, the "while (*frag_tail)" loop above didn't execute + * and frag_tail should be &skb_shinfo(head)->frag_list. + * However, ieee80211_amsdu_prepare_head() can reallocate it. + * Reload frag_tail to have it pointing to the correct place. + */ + if (n == 2) + frag_tail = &skb_shinfo(head)->frag_list; + /* * Pad out the previous subframe to a multiple of 4 by adding the * padding to the next one, that's being added. Note that head->len diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c index bca47fad5a16..4eed23e27610 100644 --- a/net/mac80211/wpa.c +++ b/net/mac80211/wpa.c @@ -520,6 +520,9 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_rx_data *rx, return RX_DROP_UNUSABLE; }

+ /* reload hdr - skb might have been reallocated */ + hdr = (void *)rx->skb->data; + data_len = skb->len - hdrlen - IEEE80211_CCMP_HDR_LEN - mic_len; if (!rx->sta || data_len < 0) return RX_DROP_UNUSABLE; @@ -749,6 +752,9 @@ ieee80211_crypto_gcmp_decrypt(struct ieee80211_rx_data *rx) return RX_DROP_UNUSABLE; }

+ /* reload hdr - skb might have been reallocated */ + hdr = (void *)rx->skb->data; + data_len = skb->len - hdrlen - IEEE80211_GCMP_HDR_LEN - mic_len; if (!rx->sta || data_len < 0) return RX_DROP_UNUSABLE; diff --git a/net/netfilter/ipset/ip_set_hash_gen.h b/net/netfilter/ipset/ip_set_hash_gen.h index 500de37858ac..1b44dfa7ba85 100644 --- a/net/netfilter/ipset/ip_set_hash_gen.h +++ b/net/netfilter/ipset/ip_set_hash_gen.h @@ -132,11 +132,11 @@ htable_size(u8 hbits) { size_t hsize;

- /* We must fit both into u32 in jhash and size_t */ + /* We must fit both into u32 in jhash and INT_MAX in kvmalloc_node() */ if (hbits > 31) return 0; hsize = jhash_size(hbits); - if ((((size_t)-1) - sizeof(struct htable)) / sizeof(struct hbucket *) + if ((INT_MAX - sizeof(struct htable)) / sizeof(struct hbucket *) < hsize) return 0;

diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c index 02f2f636798d..d1524ca4b90e 100644 --- a/net/netfilter/ipvs/ip_vs_conn.c +++ b/net/netfilter/ipvs/ip_vs_conn.c @@ -1394,6 +1394,10 @@ int __init ip_vs_conn_init(void) int idx;

/* Compute size and mask */ + if (ip_vs_conn_tab_bits < 8 || ip_vs_conn_tab_bits > 20) { + pr_info("conn_tab_bits not in [8, 20]. Using default value\n"); + ip_vs_conn_tab_bits = CONFIG_IP_VS_TAB_BITS; + } ip_vs_conn_tab_size = 1 << ip_vs_conn_tab_bits; ip_vs_conn_tab_mask = ip_vs_conn_tab_size - 1;

diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c index c5a0f2c2635e..26979b4853bd 100644 --- a/net/sched/cls_flower.c +++ b/net/sched/cls_flower.c @@ -1741,18 +1741,24 @@ static void fl_walk(struct tcf_proto *tp, struct tcf_walker *arg,

arg->count = arg->skip;

+ rcu_read_lock(); idr_for_each_entry_continue_ul(&head->handle_idr, f, tmp, id) { /* don't return filters that are being deleted */ if (!refcount_inc_not_zero(&f->refcnt)) continue; + rcu_read_unlock(); + if (arg->fn(tp, f, arg) < 0) { __fl_put(f); arg->stop = 1; + rcu_read_lock(); break; } __fl_put(f); arg->count++; + rcu_read_lock(); } + rcu_read_unlock(); arg->cookie = id; }

diff --git a/net/sctp/input.c b/net/sctp/input.c index 2aca37717ed1..9616b600a876 100644 --- a/net/sctp/input.c +++ b/net/sctp/input.c @@ -676,7 +676,7 @@ static int sctp_rcv_ootb(struct sk_buff *skb) ch = skb_header_pointer(skb, offset, sizeof(*ch), &_ch);

/* Break out if chunk length is less then minimal. */ - if (ntohs(ch->length) < sizeof(_ch)) + if (!ch || ntohs(ch->length) < sizeof(_ch)) break;

ch_end = offset + SCTP_PAD4(ntohs(ch->length)); diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index 3098710c9c34..05470ca91bd9 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -595,20 +595,42 @@ static void unix_release_sock(struct sock *sk, int embrion)

static void init_peercred(struct sock *sk) { - put_pid(sk->sk_peer_pid); - if (sk->sk_peer_cred) - put_cred(sk->sk_peer_cred); + const struct cred *old_cred; + struct pid *old_pid; + + spin_lock(&sk->sk_peer_lock); + old_pid = sk->sk_peer_pid; + old_cred = sk->sk_peer_cred; sk->sk_peer_pid = get_pid(task_tgid(current)); sk->sk_peer_cred = get_current_cred(); + spin_unlock(&sk->sk_peer_lock); + + put_pid(old_pid); + put_cred(old_cred); }

static void copy_peercred(struct sock *sk, struct sock *peersk) { - put_pid(sk->sk_peer_pid); - if (sk->sk_peer_cred) - put_cred(sk->sk_peer_cred); + const struct cred *old_cred; + struct pid *old_pid; + + if (sk < peersk) { + spin_lock(&sk->sk_peer_lock); + spin_lock_nested(&peersk->sk_peer_lock, SINGLE_DEPTH_NESTING); + } else { + spin_lock(&peersk->sk_peer_lock); + spin_lock_nested(&sk->sk_peer_lock, SINGLE_DEPTH_NESTING); + } + old_pid = sk->sk_peer_pid; + old_cred = sk->sk_peer_cred; sk->sk_peer_pid = get_pid(peersk->sk_peer_pid); sk->sk_peer_cred = get_cred(peersk->sk_peer_cred); + + spin_unlock(&sk->sk_peer_lock); + spin_unlock(&peersk->sk_peer_lock); + + put_pid(old_pid); + put_cred(old_cred); }

static int unix_listen(struct socket *sock, int backlog) diff --git a/tools/testing/selftests/bpf/test_lwt_ip_encap.sh b/tools/testing/selftests/bpf/test_lwt_ip_encap.sh index 59ea56945e6c..b497bb85b667 100755 --- a/tools/testing/selftests/bpf/test_lwt_ip_encap.sh +++ b/tools/testing/selftests/bpf/test_lwt_ip_encap.sh @@ -112,6 +112,14 @@ setup() ip netns add "${NS2}" ip netns add "${NS3}"

+ # rp_filter gets confused by what these tests are doing, so disable it + ip netns exec ${NS1} sysctl -wq net.ipv4.conf.all.rp_filter=0 + ip netns exec ${NS2} sysctl -wq net.ipv4.conf.all.rp_filter=0 + ip netns exec ${NS3} sysctl -wq net.ipv4.conf.all.rp_filter=0 + ip netns exec ${NS1} sysctl -wq net.ipv4.conf.default.rp_filter=0 + ip netns exec ${NS2} sysctl -wq net.ipv4.conf.default.rp_filter=0 + ip netns exec ${NS3} sysctl -wq net.ipv4.conf.default.rp_filter=0 + ip link add veth1 type veth peer name veth2 ip link add veth3 type veth peer name veth4 ip link add veth5 type veth peer name veth6 @@ -236,11 +244,6 @@ setup() ip -netns ${NS1} -6 route add ${IPv6_GRE}/128 dev veth5 via ${IPv6_6} ${VRF} ip -netns ${NS2} -6 route add ${IPv6_GRE}/128 dev veth7 via ${IPv6_8} ${VRF}

- # rp_filter gets confused by what these tests are doing, so disable it - ip netns exec ${NS1} sysctl -wq net.ipv4.conf.all.rp_filter=0 - ip netns exec ${NS2} sysctl -wq net.ipv4.conf.all.rp_filter=0 - ip netns exec ${NS3} sysctl -wq net.ipv4.conf.all.rp_filter=0 - TMPFILE=$(mktemp /tmp/test_lwt_ip_encap.XXXXXX)

sleep 1 # reduce flakiness