Re: Linux 6.1.147

Greg Kroah-Hartman
2025-07-24T07:15:02Z

diff --git a/Makefile b/Makefile
index 7ebae10b5939..0e07b0834a7c 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 6
PATCHLEVEL = 1
-SUBLEVEL = 146
+SUBLEVEL = 147
EXTRAVERSION =
NAME = Curry Ramen

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi
index b4bb1746b1f5..13301a479506 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi
@@ -466,6 +466,7 @@ reg_vdd_phy: LDO4 {
};

reg_nvcc_sd: LDO5 {
+ regulator-always-on;
regulator-max-microvolt = <3300000>;
regulator-min-microvolt = <1800000>;
regulator-name = "On-module +V3.3_1.8_SD (LDO5)";
diff --git a/drivers/base/power/domain_governor.c b/drivers/base/power/domain_governor.c
index 282a3a135827..03e75de4666b 100644
--- a/drivers/base/power/domain_governor.c
+++ b/drivers/base/power/domain_governor.c
@@ -8,6 +8,7 @@
#include <linux/pm_domain.h>
#include <linux/pm_qos.h>
#include <linux/hrtimer.h>
+#include <linux/cpu.h>
#include <linux/cpuidle.h>
#include <linux/cpumask.h>
#include <linux/ktime.h>
@@ -345,6 +346,8 @@ static bool cpu_power_down_ok(struct dev_pm_domain *pd)
struct cpuidle_device *dev;
ktime_t domain_wakeup, next_hrtimer;
ktime_t now = ktime_get();
+ struct device *cpu_dev;
+ s64 cpu_constraint, global_constraint;
s64 idle_duration_ns;
int cpu, i;

@@ -355,6 +358,7 @@ static bool cpu_power_down_ok(struct dev_pm_domain *pd)
if (!(genpd->flags & GENPD_FLAG_CPU_DOMAIN))
return true;

+ global_constraint = cpu_latency_qos_limit();
/*
* Find the next wakeup for any of the online CPUs within the PM domain
* and its subdomains. Note, we only need the genpd->cpus, as it already
@@ -368,8 +372,16 @@ static bool cpu_power_down_ok(struct dev_pm_domain *pd)
if (ktime_before(next_hrtimer, domain_wakeup))
domain_wakeup = next_hrtimer;
}
+
+ cpu_dev = get_cpu_device(cpu);
+ if (cpu_dev) {
+ cpu_constraint = dev_pm_qos_raw_resume_latency(cpu_dev);
+ if (cpu_constraint < global_constraint)
+ global_constraint = cpu_constraint;
+ }
}

+ global_constraint *= NSEC_PER_USEC;
/* The minimum idle duration is from now - until the next wakeup. */
idle_duration_ns = ktime_to_ns(ktime_sub(domain_wakeup, now));
if (idle_duration_ns <= 0)
@@ -382,8 +394,10 @@ static bool cpu_power_down_ok(struct dev_pm_domain *pd)
*/
i = genpd->state_idx;
do {
- if (idle_duration_ns >= (genpd->states[i].residency_ns +
- genpd->states[i].power_off_latency_ns)) {
+ if ((idle_duration_ns >= (genpd->states[i].residency_ns +
+ genpd->states[i].power_off_latency_ns)) &&
+ (global_constraint >= (genpd->states[i].power_on_latency_ns +
+ genpd->states[i].power_off_latency_ns))) {
genpd->state_idx = i;
return true;
}
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 25adb3ac40eb..8bb1162031a6 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -3251,6 +3251,32 @@ static const struct qca_device_info qca_devices_table[] = {
{ 0x00190200, 40, 4, 16 }, /* WCN785x 2.0 */
};

+static u16 qca_extract_board_id(const struct qca_version *ver)
+{
+ u16 flag = le16_to_cpu(ver->flag);
+ u16 board_id = 0;
+
+ if (((flag >> 8) & 0xff) == QCA_FLAG_MULTI_NVM) {
+ /* The board_id should be split into two bytes
+ * The 1st byte is chip ID, and the 2nd byte is platform ID
+ * For example, board ID 0x010A, 0x01 is platform ID. 0x0A is chip ID
+ * we have several platforms, and platform IDs are continuously added
+ * Platform ID:
+ * 0x00 is for Mobile
+ * 0x01 is for X86
+ * 0x02 is for Automotive
+ * 0x03 is for Consumer electronic
+ */
+ board_id = (ver->chip_id << 8) + ver->platform_id;
+ }
+
+ /* Take 0xffff as invalid board ID */
+ if (board_id == 0xffff)
+ board_id = 0;
+
+ return board_id;
+}
+
static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 request,
void *data, u16 size)
{
@@ -3407,44 +3433,28 @@ static void btusb_generate_qca_nvm_name(char *fwname, size_t max_size,
const struct qca_version *ver)
{
u32 rom_version = le32_to_cpu(ver->rom_version);
- u16 flag = le16_to_cpu(ver->flag);
+ const char *variant;
+ int len;
+ u16 board_id;

- if (((flag >> 8) & 0xff) == QCA_FLAG_MULTI_NVM) {
- /* The board_id should be split into two bytes
- * The 1st byte is chip ID, and the 2nd byte is platform ID
- * For example, board ID 0x010A, 0x01 is platform ID. 0x0A is chip ID
- * we have several platforms, and platform IDs are continuously added
- * Platform ID:
- * 0x00 is for Mobile
- * 0x01 is for X86
- * 0x02 is for Automotive
- * 0x03 is for Consumer electronic
- */
- u16 board_id = (ver->chip_id << 8) + ver->platform_id;
- const char *variant;
+ board_id = qca_extract_board_id(ver);

- switch (le32_to_cpu(ver->ram_version)) {
- case WCN6855_2_0_RAM_VERSION_GF:
- case WCN6855_2_1_RAM_VERSION_GF:
- variant = "_gf";
- break;
- default:
- variant = "";
- break;
- }
-
- if (board_id == 0) {
- snprintf(fwname, max_size, "qca/nvm_usb_%08x%s.bin",
- rom_version, variant);
- } else {
- snprintf(fwname, max_size, "qca/nvm_usb_%08x%s_%04x.bin",
- rom_version, variant, board_id);
- }
- } else {
- snprintf(fwname, max_size, "qca/nvm_usb_%08x.bin",
- rom_version);
+ switch (le32_to_cpu(ver->ram_version)) {
+ case WCN6855_2_0_RAM_VERSION_GF:
+ case WCN6855_2_1_RAM_VERSION_GF:
+ variant = "_gf";
+ break;
+ default:
+ variant = NULL;
+ break;
}

+ len = snprintf(fwname, max_size, "qca/nvm_usb_%08x", rom_version);
+ if (variant)
+ len += snprintf(fwname + len, max_size - len, "%s", variant);
+ if (board_id)
+ len += snprintf(fwname + len, max_size - len, "_%04x", board_id);
+ len += snprintf(fwname + len, max_size - len, ".bin");
}

static int btusb_setup_qca_load_nvm(struct hci_dev *hdev,
diff --git a/drivers/comedi/comedi_fops.c b/drivers/comedi/comedi_fops.c
index 37eb26abfd87..8325cd4beeda 100644
--- a/drivers/comedi/comedi_fops.c
+++ b/drivers/comedi/comedi_fops.c
@@ -1551,21 +1551,27 @@ static int do_insnlist_ioctl(struct comedi_device *dev,
}

for (i = 0; i < n_insns; ++i) {
+ unsigned int n = insns[i].n;
+
if (insns[i].insn & INSN_MASK_WRITE) {
if (copy_from_user(data, insns[i].data,
- insns[i].n * sizeof(unsigned int))) {
+ n * sizeof(unsigned int))) {
dev_dbg(dev->class_dev,
"copy_from_user failed\n");
ret = -EFAULT;
goto error;
}
+ if (n < MIN_SAMPLES) {
+ memset(&data[n], 0, (MIN_SAMPLES - n) *
+ sizeof(unsigned int));
+ }
}
ret = parse_insn(dev, insns + i, data, file);
if (ret < 0)
goto error;
if (insns[i].insn & INSN_MASK_READ) {
if (copy_to_user(insns[i].data, data,
- insns[i].n * sizeof(unsigned int))) {
+ n * sizeof(unsigned int))) {
dev_dbg(dev->class_dev,
"copy_to_user failed\n");
ret = -EFAULT;
@@ -1584,6 +1590,16 @@ static int do_insnlist_ioctl(struct comedi_device *dev,
return i;
}

+#define MAX_INSNS MAX_SAMPLES
+static int check_insnlist_len(struct comedi_device *dev, unsigned int n_insns)
+{
+ if (n_insns > MAX_INSNS) {
+ dev_dbg(dev->class_dev, "insnlist length too large\n");
+ return -EINVAL;
+ }
+ return 0;
+}
+
/*
* COMEDI_INSN ioctl
* synchronous instruction
@@ -1628,6 +1644,10 @@ static int do_insn_ioctl(struct comedi_device *dev,
ret = -EFAULT;
goto error;
}
+ if (insn->n < MIN_SAMPLES) {
+ memset(&data[insn->n], 0,
+ (MIN_SAMPLES - insn->n) * sizeof(unsigned int));
+ }
}
ret = parse_insn(dev, insn, data, file);
if (ret < 0)
@@ -2234,6 +2254,9 @@ static long comedi_unlocked_ioctl(struct file *file, unsigned int cmd,
rc = -EFAULT;
break;
}
+ rc = check_insnlist_len(dev, insnlist.n_insns);
+ if (rc)
+ break;
insns = kcalloc(insnlist.n_insns, sizeof(*insns), GFP_KERNEL);
if (!insns) {
rc = -ENOMEM;
@@ -3085,6 +3108,9 @@ static int compat_insnlist(struct file *file, unsigned long arg)
if (copy_from_user(&insnlist32, compat_ptr(arg), sizeof(insnlist32)))
return -EFAULT;

+ rc = check_insnlist_len(dev, insnlist32.n_insns);
+ if (rc)
+ return rc;
insns = kcalloc(insnlist32.n_insns, sizeof(*insns), GFP_KERNEL);
if (!insns)
return -ENOMEM;
diff --git a/drivers/comedi/drivers.c b/drivers/comedi/drivers.c
index d4e2ed709bfc..086213bcc499 100644
--- a/drivers/comedi/drivers.c
+++ b/drivers/comedi/drivers.c
@@ -338,10 +338,10 @@ int comedi_dio_insn_config(struct comedi_device *dev,
unsigned int *data,
unsigned int mask)
{
- unsigned int chan_mask = 1 << CR_CHAN(insn->chanspec);
+ unsigned int chan = CR_CHAN(insn->chanspec);

- if (!mask)
- mask = chan_mask;
+ if (!mask && chan < 32)
+ mask = 1U << chan;

switch (data[0]) {
case INSN_CONFIG_DIO_INPUT:
@@ -381,7 +381,7 @@ EXPORT_SYMBOL_GPL(comedi_dio_insn_config);
unsigned int comedi_dio_update_state(struct comedi_subdevice *s,
unsigned int *data)
{
- unsigned int chanmask = (s->n_chan < 32) ? ((1 << s->n_chan) - 1)
+ unsigned int chanmask = (s->n_chan < 32) ? ((1U << s->n_chan) - 1)
: 0xffffffff;
unsigned int mask = data[0] & chanmask;
unsigned int bits = data[1];
@@ -614,6 +614,9 @@ static int insn_rw_emulate_bits(struct comedi_device *dev,
unsigned int _data[2];
int ret;

+ if (insn->n == 0)
+ return 0;
+
memset(_data, 0, sizeof(_data));
memset(&_insn, 0, sizeof(_insn));
_insn.insn = INSN_BITS;
@@ -624,8 +627,8 @@ static int insn_rw_emulate_bits(struct comedi_device *dev,
if (insn->insn == INSN_WRITE) {
if (!(s->subdev_flags & SDF_WRITABLE))
return -EINVAL;
- _data[0] = 1 << (chan - base_chan); /* mask */
- _data[1] = data[0] ? (1 << (chan - base_chan)) : 0; /* bits */
+ _data[0] = 1U << (chan - base_chan); /* mask */
+ _data[1] = data[0] ? (1U << (chan - base_chan)) : 0; /* bits */
}

ret = s->insn_bits(dev, s, &_insn, _data);
@@ -708,7 +711,7 @@ static int __comedi_device_postconfig(struct comedi_device *dev)

if (s->type == COMEDI_SUBD_DO) {
if (s->n_chan < 32)
- s->io_bits = (1 << s->n_chan) - 1;
+ s->io_bits = (1U << s->n_chan) - 1;
else
s->io_bits = 0xffffffff;
}
diff --git a/drivers/comedi/drivers/aio_iiro_16.c b/drivers/comedi/drivers/aio_iiro_16.c
index b00fab0b89d4..739cc4db52ac 100644
--- a/drivers/comedi/drivers/aio_iiro_16.c
+++ b/drivers/comedi/drivers/aio_iiro_16.c
@@ -177,7 +177,8 @@ static int aio_iiro_16_attach(struct comedi_device *dev,
* Digital input change of state interrupts are optionally supported
* using IRQ 2-7, 10-12, 14, or 15.
*/
- if ((1 << it->options[1]) & 0xdcfc) {
+ if (it->options[1] > 0 && it->options[1] < 16 &&
+ (1 << it->options[1]) & 0xdcfc) {
ret = request_irq(it->options[1], aio_iiro_16_cos, 0,
dev->board_name, dev);
if (ret == 0)
diff --git a/drivers/comedi/drivers/das16m1.c b/drivers/comedi/drivers/das16m1.c
index 275effb77746..99e63d51c506 100644
--- a/drivers/comedi/drivers/das16m1.c
+++ b/drivers/comedi/drivers/das16m1.c
@@ -522,7 +522,8 @@ static int das16m1_attach(struct comedi_device *dev,
devpriv->extra_iobase = dev->iobase + DAS16M1_8255_IOBASE;

/* only irqs 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, and 15 are valid */
- if ((1 << it->options[1]) & 0xdcfc) {
+ if (it->options[1] >= 2 && it->options[1] <= 15 &&
+ (1 << it->options[1]) & 0xdcfc) {
ret = request_irq(it->options[1], das16m1_interrupt, 0,
dev->board_name, dev);
if (ret == 0)
diff --git a/drivers/comedi/drivers/das6402.c b/drivers/comedi/drivers/das6402.c
index 1af394591e74..e730668236c2 100644
--- a/drivers/comedi/drivers/das6402.c
+++ b/drivers/comedi/drivers/das6402.c
@@ -567,7 +567,8 @@ static int das6402_attach(struct comedi_device *dev,
das6402_reset(dev);

/* IRQs 2,3,5,6,7, 10,11,15 are valid for "enhanced" mode */
- if ((1 << it->options[1]) & 0x8cec) {
+ if (it->options[1] > 0 && it->options[1] < 16 &&
+ (1 << it->options[1]) & 0x8cec) {
ret = request_irq(it->options[1], das6402_interrupt, 0,
dev->board_name, dev);
if (ret == 0) {
diff --git a/drivers/comedi/drivers/pcl812.c b/drivers/comedi/drivers/pcl812.c
index 70dbc129fcf5..e0459f286fa6 100644
--- a/drivers/comedi/drivers/pcl812.c
+++ b/drivers/comedi/drivers/pcl812.c
@@ -1149,7 +1149,8 @@ static int pcl812_attach(struct comedi_device *dev, struct comedi_devconfig *it)
if (!dev->pacer)
return -ENOMEM;

- if ((1 << it->options[1]) & board->irq_bits) {
+ if (it->options[1] > 0 && it->options[1] < 16 &&
+ (1 << it->options[1]) & board->irq_bits) {
ret = request_irq(it->options[1], pcl812_interrupt, 0,
dev->board_name, dev);
if (ret == 0)
diff --git a/drivers/dma/nbpfaxi.c b/drivers/dma/nbpfaxi.c
index a7063e9cd551..e389945e36f2 100644
--- a/drivers/dma/nbpfaxi.c
+++ b/drivers/dma/nbpfaxi.c
@@ -1354,7 +1354,7 @@ static int nbpf_probe(struct platform_device *pdev)
if (irqs == 1) {
eirq = irqbuf[0];

- for (i = 0; i <= num_channels; i++)
+ for (i = 0; i < num_channels; i++)
nbpf->chan[i].irq = irqbuf[0];
} else {
eirq = platform_get_irq_byname(pdev, "error");
@@ -1364,16 +1364,15 @@ static int nbpf_probe(struct platform_device *pdev)
if (irqs == num_channels + 1) {
struct nbpf_channel *chan;

- for (i = 0, chan = nbpf->chan; i <= num_channels;
+ for (i = 0, chan = nbpf->chan; i < num_channels;
i++, chan++) {
/* Skip the error IRQ */
if (irqbuf[i] == eirq)
i++;
+ if (i >= ARRAY_SIZE(irqbuf))
+ return -EINVAL;
chan->irq = irqbuf[i];
}
-
- if (chan != nbpf->chan + num_channels)
- return -EINVAL;
} else {
/* 2 IRQs and more than one channel */
if (irqbuf[0] == eirq)
@@ -1381,7 +1380,7 @@ static int nbpf_probe(struct platform_device *pdev)
else
irq = irqbuf[0];

- for (i = 0; i <= num_channels; i++)
+ for (i = 0; i < num_channels; i++)
nbpf->chan[i].irq = irq;
}
}
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 7790e464e2c6..ed65523d77c2 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1876,9 +1876,12 @@ u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags)
/*
* 7 extra bytes are necessary to achieve proper functionality
* of implement() working on 8 byte chunks
+ * 1 extra byte for the report ID if it is null (not used) so
+ * we can reserve that extra byte in the first position of the buffer
+ * when sending it to .raw_request()
*/

- u32 len = hid_report_len(report) + 7;
+ u32 len = hid_report_len(report) + 7 + (report->id == 0);

return kzalloc(len, flags);
}
@@ -1941,7 +1944,7 @@ static struct hid_report *hid_get_report(struct hid_report_enum *report_enum,
int __hid_request(struct hid_device *hid, struct hid_report *report,
enum hid_class_request reqtype)
{
- char *buf;
+ char *buf, *data_buf;
int ret;
u32 len;

@@ -1949,13 +1952,19 @@ int __hid_request(struct hid_device *hid, struct hid_report *report,
if (!buf)
return -ENOMEM;

+ data_buf = buf;
len = hid_report_len(report);

+ if (report->id == 0) {
+ /* reserve the first byte for the report ID */
+ data_buf++;
+ len++;
+ }
+
if (reqtype == HID_REQ_SET_REPORT)
- hid_output_report(report, buf);
+ hid_output_report(report, data_buf);

- ret = hid->ll_driver->raw_request(hid, report->id, buf, len,
- report->type, reqtype);
+ ret = hid_hw_raw_request(hid, report->id, buf, len, report->type, reqtype);
if (ret < 0) {
dbg_hid("unable to complete request: %d\n", ret);
goto out;
diff --git a/drivers/hid/hid-mcp2221.c b/drivers/hid/hid-mcp2221.c
index 560eeec4035a..b0dc0edc69c2 100644
--- a/drivers/hid/hid-mcp2221.c
+++ b/drivers/hid/hid-mcp2221.c
@@ -879,12 +879,12 @@ static int mcp2221_probe(struct hid_device *hdev,
snprintf(mcp->adapter.name, sizeof(mcp->adapter.name),
"MCP2221 usb-i2c bridge");

+ i2c_set_adapdata(&mcp->adapter, mcp);
ret = i2c_add_adapter(&mcp->adapter);
if (ret) {
hid_err(hdev, "can't add usb-i2c adapter: %d\n", ret);
goto err_i2c;
}
- i2c_set_adapdata(&mcp->adapter, mcp);

/* Setup GPIO chip */
mcp->gc = devm_kzalloc(&hdev->dev, sizeof(*mcp->gc), GFP_KERNEL);
diff --git a/drivers/hwmon/corsair-cpro.c b/drivers/hwmon/corsair-cpro.c
index 486fb6a8c356..18da3e013c20 100644
--- a/drivers/hwmon/corsair-cpro.c
+++ b/drivers/hwmon/corsair-cpro.c
@@ -84,6 +84,7 @@ struct ccp_device {
struct mutex mutex; /* whenever buffer is used, lock before send_usb_cmd */
u8 *cmd_buffer;
u8 *buffer;
+ int buffer_recv_size; /* number of received bytes in buffer */
int target[6];
DECLARE_BITMAP(temp_cnct, NUM_TEMP_SENSORS);
DECLARE_BITMAP(fan_cnct, NUM_FANS);
@@ -139,6 +140,9 @@ static int send_usb_cmd(struct ccp_device *ccp, u8 command, u8 byte1, u8 byte2,
if (!t)
return -ETIMEDOUT;

+ if (ccp->buffer_recv_size != IN_BUFFER_SIZE)
+ return -EPROTO;
+
return ccp_get_errno(ccp);
}

@@ -150,6 +154,7 @@ static int ccp_raw_event(struct hid_device *hdev, struct hid_report *report, u8
spin_lock(&ccp->wait_input_report_lock);
if (!completion_done(&ccp->wait_input_report)) {
memcpy(ccp->buffer, data, min(IN_BUFFER_SIZE, size));
+ ccp->buffer_recv_size = size;
complete_all(&ccp->wait_input_report);
}
spin_unlock(&ccp->wait_input_report_lock);
diff --git a/drivers/i2c/busses/i2c-stm32.c b/drivers/i2c/busses/i2c-stm32.c
index 157c64e27d0b..f84ec056e36d 100644
--- a/drivers/i2c/busses/i2c-stm32.c
+++ b/drivers/i2c/busses/i2c-stm32.c
@@ -102,7 +102,6 @@ int stm32_i2c_prep_dma_xfer(struct device *dev, struct stm32_i2c_dma *dma,
void *dma_async_param)
{
struct dma_async_tx_descriptor *txdesc;
- struct device *chan_dev;
int ret;

if (rd_wr) {
@@ -116,11 +115,10 @@ int stm32_i2c_prep_dma_xfer(struct device *dev, struct stm32_i2c_dma *dma,
}

dma->dma_len = len;
- chan_dev = dma->chan_using->device->dev;

- dma->dma_buf = dma_map_single(chan_dev, buf, dma->dma_len,
+ dma->dma_buf = dma_map_single(dev, buf, dma->dma_len,
dma->dma_data_dir);
- if (dma_mapping_error(chan_dev, dma->dma_buf)) {
+ if (dma_mapping_error(dev, dma->dma_buf)) {
dev_err(dev, "DMA mapping failed\n");
return -EINVAL;
}
@@ -150,7 +148,7 @@ int stm32_i2c_prep_dma_xfer(struct device *dev, struct stm32_i2c_dma *dma,
return 0;

err:
- dma_unmap_single(chan_dev, dma->dma_buf, dma->dma_len,
+ dma_unmap_single(dev, dma->dma_buf, dma->dma_len,
dma->dma_data_dir);
return ret;
}
diff --git a/drivers/i2c/busses/i2c-stm32f7.c b/drivers/i2c/busses/i2c-stm32f7.c
index 43846f22af04..f8d7e7b5d216 100644
--- a/drivers/i2c/busses/i2c-stm32f7.c
+++ b/drivers/i2c/busses/i2c-stm32f7.c
@@ -727,10 +727,10 @@ static void stm32f7_i2c_dma_callback(void *arg)
{
struct stm32f7_i2c_dev *i2c_dev = (struct stm32f7_i2c_dev *)arg;
struct stm32_i2c_dma *dma = i2c_dev->dma;
- struct device *dev = dma->chan_using->device->dev;

stm32f7_i2c_disable_dma_req(i2c_dev);
- dma_unmap_single(dev, dma->dma_buf, dma->dma_len, dma->dma_data_dir);
+ dma_unmap_single(i2c_dev->dev, dma->dma_buf, dma->dma_len,
+ dma->dma_data_dir);
complete(&dma->dma_complete);
}

diff --git a/drivers/iio/accel/fxls8962af-core.c b/drivers/iio/accel/fxls8962af-core.c
index 700dc02a2539..8bd4eef12ac4 100644
--- a/drivers/iio/accel/fxls8962af-core.c
+++ b/drivers/iio/accel/fxls8962af-core.c
@@ -866,6 +866,8 @@ static int fxls8962af_buffer_predisable(struct iio_dev *indio_dev)
if (ret)
return ret;

+ synchronize_irq(data->irq);
+
ret = __fxls8962af_fifo_set_mode(data, false);

if (data->enable_event)
diff --git a/drivers/iio/adc/max1363.c b/drivers/iio/adc/max1363.c
index a28cf86cdce8..875f5ff20208 100644
--- a/drivers/iio/adc/max1363.c
+++ b/drivers/iio/adc/max1363.c
@@ -512,10 +512,10 @@ static const struct iio_event_spec max1363_events[] = {
MAX1363_CHAN_U(1, _s1, 1, bits, ev_spec, num_ev_spec), \
MAX1363_CHAN_U(2, _s2, 2, bits, ev_spec, num_ev_spec), \
MAX1363_CHAN_U(3, _s3, 3, bits, ev_spec, num_ev_spec), \
- MAX1363_CHAN_B(0, 1, d0m1, 4, bits, ev_spec, num_ev_spec), \
- MAX1363_CHAN_B(2, 3, d2m3, 5, bits, ev_spec, num_ev_spec), \
- MAX1363_CHAN_B(1, 0, d1m0, 6, bits, ev_spec, num_ev_spec), \
- MAX1363_CHAN_B(3, 2, d3m2, 7, bits, ev_spec, num_ev_spec), \
+ MAX1363_CHAN_B(0, 1, d0m1, 12, bits, ev_spec, num_ev_spec), \
+ MAX1363_CHAN_B(2, 3, d2m3, 13, bits, ev_spec, num_ev_spec), \
+ MAX1363_CHAN_B(1, 0, d1m0, 18, bits, ev_spec, num_ev_spec), \
+ MAX1363_CHAN_B(3, 2, d3m2, 19, bits, ev_spec, num_ev_spec), \
IIO_CHAN_SOFT_TIMESTAMP(8) \
}

@@ -533,23 +533,23 @@ static const struct iio_chan_spec max1363_channels[] =
/* Applies to max1236, max1237 */
static const enum max1363_modes max1236_mode_list[] = {
_s0, _s1, _s2, _s3,
- s0to1, s0to2, s0to3,
+ s0to1, s0to2, s2to3, s0to3,
d0m1, d2m3, d1m0, d3m2,
d0m1to2m3, d1m0to3m2,
- s2to3,
};

/* Applies to max1238, max1239 */
static const enum max1363_modes max1238_mode_list[] = {
_s0, _s1, _s2, _s3, _s4, _s5, _s6, _s7, _s8, _s9, _s10, _s11,
s0to1, s0to2, s0to3, s0to4, s0to5, s0to6,
+ s6to7, s6to8, s6to9, s6to10, s6to11,
s0to7, s0to8, s0to9, s0to10, s0to11,
d0m1, d2m3, d4m5, d6m7, d8m9, d10m11,
d1m0, d3m2, d5m4, d7m6, d9m8, d11m10,
- d0m1to2m3, d0m1to4m5, d0m1to6m7, d0m1to8m9, d0m1to10m11,
- d1m0to3m2, d1m0to5m4, d1m0to7m6, d1m0to9m8, d1m0to11m10,
- s6to7, s6to8, s6to9, s6to10, s6to11,
- d6m7to8m9, d6m7to10m11, d7m6to9m8, d7m6to11m10,
+ d0m1to2m3, d0m1to4m5, d0m1to6m7, d6m7to8m9,
+ d0m1to8m9, d6m7to10m11, d0m1to10m11, d1m0to3m2,
+ d1m0to5m4, d1m0to7m6, d7m6to9m8, d1m0to9m8,
+ d7m6to11m10, d1m0to11m10,
};

#define MAX1363_12X_CHANS(bits) { \
@@ -585,16 +585,15 @@ static const struct iio_chan_spec max1238_channels[] = MAX1363_12X_CHANS(12);

static const enum max1363_modes max11607_mode_list[] = {
_s0, _s1, _s2, _s3,
- s0to1, s0to2, s0to3,
- s2to3,
+ s0to1, s0to2, s2to3,
+ s0to3,
d0m1, d2m3, d1m0, d3m2,
d0m1to2m3, d1m0to3m2,
};

static const enum max1363_modes max11608_mode_list[] = {
_s0, _s1, _s2, _s3, _s4, _s5, _s6, _s7,
- s0to1, s0to2, s0to3, s0to4, s0to5, s0to6, s0to7,
- s6to7,
+ s0to1, s0to2, s0to3, s0to4, s0to5, s0to6, s6to7, s0to7,
d0m1, d2m3, d4m5, d6m7,
d1m0, d3m2, d5m4, d7m6,
d0m1to2m3, d0m1to4m5, d0m1to6m7,
@@ -610,14 +609,14 @@ static const enum max1363_modes max11608_mode_list[] = {
MAX1363_CHAN_U(5, _s5, 5, bits, NULL, 0), \
MAX1363_CHAN_U(6, _s6, 6, bits, NULL, 0), \
MAX1363_CHAN_U(7, _s7, 7, bits, NULL, 0), \
- MAX1363_CHAN_B(0, 1, d0m1, 8, bits, NULL, 0), \
- MAX1363_CHAN_B(2, 3, d2m3, 9, bits, NULL, 0), \
- MAX1363_CHAN_B(4, 5, d4m5, 10, bits, NULL, 0), \
- MAX1363_CHAN_B(6, 7, d6m7, 11, bits, NULL, 0), \
- MAX1363_CHAN_B(1, 0, d1m0, 12, bits, NULL, 0), \
- MAX1363_CHAN_B(3, 2, d3m2, 13, bits, NULL, 0), \
- MAX1363_CHAN_B(5, 4, d5m4, 14, bits, NULL, 0), \
- MAX1363_CHAN_B(7, 6, d7m6, 15, bits, NULL, 0), \
+ MAX1363_CHAN_B(0, 1, d0m1, 12, bits, NULL, 0), \
+ MAX1363_CHAN_B(2, 3, d2m3, 13, bits, NULL, 0), \
+ MAX1363_CHAN_B(4, 5, d4m5, 14, bits, NULL, 0), \
+ MAX1363_CHAN_B(6, 7, d6m7, 15, bits, NULL, 0), \
+ MAX1363_CHAN_B(1, 0, d1m0, 18, bits, NULL, 0), \
+ MAX1363_CHAN_B(3, 2, d3m2, 19, bits, NULL, 0), \
+ MAX1363_CHAN_B(5, 4, d5m4, 20, bits, NULL, 0), \
+ MAX1363_CHAN_B(7, 6, d7m6, 21, bits, NULL, 0), \
IIO_CHAN_SOFT_TIMESTAMP(16) \
}
static const struct iio_chan_spec max11602_channels[] = MAX1363_8X_CHANS(8);
diff --git a/drivers/iio/adc/stm32-adc-core.c b/drivers/iio/adc/stm32-adc-core.c
index dee47b899e5d..e60d5c8f2be7 100644
--- a/drivers/iio/adc/stm32-adc-core.c
+++ b/drivers/iio/adc/stm32-adc-core.c
@@ -415,10 +415,9 @@ static int stm32_adc_irq_probe(struct platform_device *pdev,
return -ENOMEM;
}

- for (i = 0; i < priv->cfg->num_irqs; i++) {
- irq_set_chained_handler(priv->irq[i], stm32_adc_irq_handler);
- irq_set_handler_data(priv->irq[i], priv);
- }
+ for (i = 0; i < priv->cfg->num_irqs; i++)
+ irq_set_chained_handler_and_data(priv->irq[i],
+ stm32_adc_irq_handler, priv);

return 0;
}
diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index 7c11d9a1de0e..de0182a5652c 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -162,12 +162,12 @@ static const struct xpad_device {
{ 0x046d, 0xca88, "Logitech Compact Controller for Xbox", 0, XTYPE_XBOX },
{ 0x046d, 0xca8a, "Logitech Precision Vibration Feedback Wheel", 0, XTYPE_XBOX },
{ 0x046d, 0xcaa3, "Logitech DriveFx Racing Wheel", 0, XTYPE_XBOX360 },
+ { 0x0502, 0x1305, "Acer NGR200", 0, XTYPE_XBOX360 },
{ 0x056e, 0x2004, "Elecom JC-U3613M", 0, XTYPE_XBOX360 },
{ 0x05fd, 0x1007, "Mad Catz Controller (unverified)", 0, XTYPE_XBOX },
{ 0x05fd, 0x107a, "InterAct 'PowerPad Pro' X-Box pad (Germany)", 0, XTYPE_XBOX },
{ 0x05fe, 0x3030, "Chic Controller", 0, XTYPE_XBOX },
{ 0x05fe, 0x3031, "Chic Controller", 0, XTYPE_XBOX },
- { 0x0502, 0x1305, "Acer NGR200", 0, XTYPE_XBOX },
{ 0x062a, 0x0020, "Logic3 Xbox GamePad", 0, XTYPE_XBOX },
{ 0x062a, 0x0033, "Competition Pro Steering Wheel", 0, XTYPE_XBOX },
{ 0x06a3, 0x0200, "Saitek Racing Wheel", 0, XTYPE_XBOX },
diff --git a/drivers/memstick/core/memstick.c b/drivers/memstick/core/memstick.c
index d410e2e78a3d..4b62ebfdb9b0 100644
--- a/drivers/memstick/core/memstick.c
+++ b/drivers/memstick/core/memstick.c
@@ -323,7 +323,7 @@ EXPORT_SYMBOL(memstick_init_req);
static int h_memstick_read_dev_id(struct memstick_dev *card,
struct memstick_request **mrq)
{
- struct ms_id_register id_reg;
+ struct ms_id_register id_reg = {};

if (!(*mrq)) {
memstick_init_req(&card->current_mrq, MS_TPC_READ_REG, &id_reg,
diff --git a/drivers/mmc/host/bcm2835.c b/drivers/mmc/host/bcm2835.c
index c15226be4d2a..b2f39965b38f 100644
--- a/drivers/mmc/host/bcm2835.c
+++ b/drivers/mmc/host/bcm2835.c
@@ -507,7 +507,8 @@ void bcm2835_prepare_dma(struct bcm2835_host *host, struct mmc_data *data)
DMA_PREP_INTERRUPT | DMA_CTRL_ACK);

if (!desc) {
- dma_unmap_sg(dma_chan->device->dev, data->sg, sg_len, dir_data);
+ dma_unmap_sg(dma_chan->device->dev, data->sg, data->sg_len,
+ dir_data);
return;
}

diff --git a/drivers/mmc/host/sdhci-pci-core.c b/drivers/mmc/host/sdhci-pci-core.c
index c71d9956b398..226232e5d84d 100644
--- a/drivers/mmc/host/sdhci-pci-core.c
+++ b/drivers/mmc/host/sdhci-pci-core.c
@@ -916,7 +916,8 @@ static bool glk_broken_cqhci(struct sdhci_pci_slot *slot)
{
return slot->chip->pdev->device == PCI_DEVICE_ID_INTEL_GLK_EMMC &&
(dmi_match(DMI_BIOS_VENDOR, "LENOVO") ||
- dmi_match(DMI_SYS_VENDOR, "IRBIS"));
+ dmi_match(DMI_SYS_VENDOR, "IRBIS") ||
+ dmi_match(DMI_SYS_VENDOR, "Positivo Tecnologia SA"));
}

static bool jsl_broken_hs400es(struct sdhci_pci_slot *slot)
diff --git a/drivers/mmc/host/sdhci_am654.c b/drivers/mmc/host/sdhci_am654.c
index 52d6cc07e38c..ceaea880de24 100644
--- a/drivers/mmc/host/sdhci_am654.c
+++ b/drivers/mmc/host/sdhci_am654.c
@@ -558,7 +558,8 @@ static struct sdhci_ops sdhci_am654_ops = {
static const struct sdhci_pltfm_data sdhci_am654_pdata = {
.ops = &sdhci_am654_ops,
.quirks = SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12,
- .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
+ .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN |
+ SDHCI_QUIRK2_DISABLE_HW_TIMEOUT,
};

static const struct sdhci_am654_driver_data sdhci_am654_sr1_drvdata = {
@@ -588,7 +589,8 @@ static struct sdhci_ops sdhci_j721e_8bit_ops = {
static const struct sdhci_pltfm_data sdhci_j721e_8bit_pdata = {
.ops = &sdhci_j721e_8bit_ops,
.quirks = SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12,
- .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
+ .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN |
+ SDHCI_QUIRK2_DISABLE_HW_TIMEOUT,
};

static const struct sdhci_am654_driver_data sdhci_j721e_8bit_drvdata = {
@@ -612,7 +614,8 @@ static struct sdhci_ops sdhci_j721e_4bit_ops = {
static const struct sdhci_pltfm_data sdhci_j721e_4bit_pdata = {
.ops = &sdhci_j721e_4bit_ops,
.quirks = SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12,
- .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
+ .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN |
+ SDHCI_QUIRK2_DISABLE_HW_TIMEOUT,
};

static const struct sdhci_am654_driver_data sdhci_j721e_4bit_drvdata = {
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
index ccddfa49e96c..74dc45d9c242 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
@@ -1015,8 +1015,9 @@ static void mlx5e_lro_update_tcp_hdr(struct mlx5_cqe64 *cqe, struct tcphdr *tcp)
}
}

-static void mlx5e_lro_update_hdr(struct sk_buff *skb, struct mlx5_cqe64 *cqe,
- u32 cqe_bcnt)
+static unsigned int mlx5e_lro_update_hdr(struct sk_buff *skb,
+ struct mlx5_cqe64 *cqe,
+ u32 cqe_bcnt)
{
struct ethhdr *eth = (struct ethhdr *)(skb->data);
struct tcphdr *tcp;
@@ -1067,6 +1068,8 @@ static void mlx5e_lro_update_hdr(struct sk_buff *skb, struct mlx5_cqe64 *cqe,
tcp->check = csum_ipv6_magic(&ipv6->saddr, &ipv6->daddr, payload_len,
IPPROTO_TCP, check);
}
+
+ return (unsigned int)((unsigned char *)tcp + tcp->doff * 4 - skb->data);
}

static void *mlx5e_shampo_get_packet_hd(struct mlx5e_rq *rq, u16 header_index)
@@ -1422,8 +1425,9 @@ static inline void mlx5e_build_rx_skb(struct mlx5_cqe64 *cqe,
mlx5e_macsec_offload_handle_rx_skb(netdev, skb, cqe);

if (lro_num_seg > 1) {
- mlx5e_lro_update_hdr(skb, cqe, cqe_bcnt);
- skb_shinfo(skb)->gso_size = DIV_ROUND_UP(cqe_bcnt, lro_num_seg);
+ unsigned int hdrlen = mlx5e_lro_update_hdr(skb, cqe, cqe_bcnt);
+
+ skb_shinfo(skb)->gso_size = DIV_ROUND_UP(cqe_bcnt - hdrlen, lro_num_seg);
/* Subtract one since we already counted this as one
* "regular" packet in mlx5e_complete_rx_cqe()
*/
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index de7baa1a1e16..8c9633f740b4 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -2035,6 +2035,7 @@ static const struct pci_device_id mlx5_core_pci_table[] = {
{ PCI_VDEVICE(MELLANOX, 0x1021) }, /* ConnectX-7 */
{ PCI_VDEVICE(MELLANOX, 0x1023) }, /* ConnectX-8 */
{ PCI_VDEVICE(MELLANOX, 0x1025) }, /* ConnectX-9 */
+ { PCI_VDEVICE(MELLANOX, 0x1027) }, /* ConnectX-10 */
{ PCI_VDEVICE(MELLANOX, 0xa2d2) }, /* BlueField integrated ConnectX-5 network controller */
{ PCI_VDEVICE(MELLANOX, 0xa2d3), MLX5_PCI_DEV_IS_VF}, /* BlueField integrated ConnectX-5 network controller VF */
{ PCI_VDEVICE(MELLANOX, 0xa2d6) }, /* BlueField-2 integrated ConnectX-6 Dx network controller */
diff --git a/drivers/net/ethernet/xilinx/xilinx_emaclite.c b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
index ad2c30d9a482..fb0e42ddb3ad 100644
--- a/drivers/net/ethernet/xilinx/xilinx_emaclite.c
+++ b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
@@ -285,7 +285,7 @@ static void xemaclite_aligned_read(u32 *src_ptr, u8 *dest_ptr,

/* Read the remaining data */
for (; length > 0; length--)
- *to_u8_ptr = *from_u8_ptr;
+ *to_u8_ptr++ = *from_u8_ptr++;
}
}

diff --git a/drivers/net/usb/sierra_net.c b/drivers/net/usb/sierra_net.c
index b3ae949e6f1c..d067f09fc072 100644
--- a/drivers/net/usb/sierra_net.c
+++ b/drivers/net/usb/sierra_net.c
@@ -689,6 +689,10 @@ static int sierra_net_bind(struct usbnet *dev, struct usb_interface *intf)
status);
return -ENODEV;
}
+ if (!dev->status) {
+ dev_err(&dev->udev->dev, "No status endpoint found");
+ return -ENODEV;
+ }
/* Initialize sierra private data */
priv = kzalloc(sizeof *priv, GFP_KERNEL);
if (!priv)
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index fbe3fb4fbe95..7d3759f875b2 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -706,6 +706,10 @@ blk_status_t nvme_fail_nonready_command(struct nvme_ctrl *ctrl,
!test_bit(NVME_CTRL_FAILFAST_EXPIRED, &ctrl->flags) &&
!blk_noretry_request(rq) && !(rq->cmd_flags & REQ_NVME_MPATH))
return BLK_STS_RESOURCE;
+
+ if (!(rq->rq_flags & RQF_DONTPREP))
+ nvme_clear_nvme_request(rq);
+
return nvme_host_path_error(rq);
}
EXPORT_SYMBOL_GPL(nvme_fail_nonready_command);
diff --git a/drivers/nvmem/u-boot-env.c b/drivers/nvmem/u-boot-env.c
index 4fdbdccebda1..3d86dcd01ecf 100644
--- a/drivers/nvmem/u-boot-env.c
+++ b/drivers/nvmem/u-boot-env.c
@@ -139,7 +139,7 @@ static int u_boot_env_parse(struct u_boot_env *priv)
data_offset = offsetof(struct u_boot_env_image_redundant, data);
break;
}
- crc32 = le32_to_cpu(*(__le32 *)(buf + crc32_offset));
+ crc32 = *(uint32_t *)(buf + crc32_offset);
crc32_data_len = priv->mtd->size - crc32_data_offset;
data_len = priv->mtd->size - data_offset;

diff --git a/drivers/phy/tegra/xusb-tegra186.c b/drivers/phy/tegra/xusb-tegra186.c
index 0556a57f3ddf..1dac290e5457 100644
--- a/drivers/phy/tegra/xusb-tegra186.c
+++ b/drivers/phy/tegra/xusb-tegra186.c
@@ -719,13 +719,15 @@ static int tegra186_xusb_padctl_vbus_override(struct tegra_xusb_padctl *padctl,
}

static int tegra186_xusb_padctl_id_override(struct tegra_xusb_padctl *padctl,
- bool status)
+ struct tegra_xusb_usb2_port *port, bool status)
{
- u32 value;
+ u32 value, id_override;
+ int err = 0;

dev_dbg(padctl->dev, "%s id override\n", status ? "set" : "clear");

value = padctl_readl(padctl, USB2_VBUS_ID);
+ id_override = value & ID_OVERRIDE(~0);

if (status) {
if (value & VBUS_OVERRIDE) {
@@ -736,15 +738,35 @@ static int tegra186_xusb_padctl_id_override(struct tegra_xusb_padctl *padctl,
value = padctl_readl(padctl, USB2_VBUS_ID);
}

- value &= ~ID_OVERRIDE(~0);
- value |= ID_OVERRIDE_GROUNDED;
+ if (id_override != ID_OVERRIDE_GROUNDED) {
+ value &= ~ID_OVERRIDE(~0);
+ value |= ID_OVERRIDE_GROUNDED;
+ padctl_writel(padctl, value, USB2_VBUS_ID);
+
+ err = regulator_enable(port->supply);
+ if (err) {
+ dev_err(padctl->dev, "Failed to enable regulator: %d\n", err);
+ return err;
+ }
+ }
} else {
- value &= ~ID_OVERRIDE(~0);
- value |= ID_OVERRIDE_FLOATING;
+ if (id_override == ID_OVERRIDE_GROUNDED) {
+ /*
+ * The regulator is disabled only when the role transitions
+ * from USB_ROLE_HOST to USB_ROLE_NONE.
+ */
+ err = regulator_disable(port->supply);
+ if (err) {
+ dev_err(padctl->dev, "Failed to disable regulator: %d\n", err);
+ return err;
+ }
+
+ value &= ~ID_OVERRIDE(~0);
+ value |= ID_OVERRIDE_FLOATING;
+ padctl_writel(padctl, value, USB2_VBUS_ID);
+ }
}

- padctl_writel(padctl, value, USB2_VBUS_ID);
-
return 0;
}

@@ -763,27 +785,20 @@ static int tegra186_utmi_phy_set_mode(struct phy *phy, enum phy_mode mode,

if (mode == PHY_MODE_USB_OTG) {
if (submode == USB_ROLE_HOST) {
- tegra186_xusb_padctl_id_override(padctl, true);
-
- err = regulator_enable(port->supply);
+ err = tegra186_xusb_padctl_id_override(padctl, port, true);
+ if (err)
+ goto out;
} else if (submode == USB_ROLE_DEVICE) {
tegra186_xusb_padctl_vbus_override(padctl, true);
} else if (submode == USB_ROLE_NONE) {
- /*
- * When port is peripheral only or role transitions to
- * USB_ROLE_NONE from USB_ROLE_DEVICE, regulator is not
- * enabled.
- */
- if (regulator_is_enabled(port->supply))
- regulator_disable(port->supply);
-
- tegra186_xusb_padctl_id_override(padctl, false);
+ err = tegra186_xusb_padctl_id_override(padctl, port, false);
+ if (err)
+ goto out;
tegra186_xusb_padctl_vbus_override(padctl, false);
}
}
-
+out:
mutex_unlock(&padctl->lock);
-
return err;
}

diff --git a/drivers/soc/aspeed/aspeed-lpc-snoop.c b/drivers/soc/aspeed/aspeed-lpc-snoop.c
index 22619b853f44..19780e37d8ea 100644
--- a/drivers/soc/aspeed/aspeed-lpc-snoop.c
+++ b/drivers/soc/aspeed/aspeed-lpc-snoop.c
@@ -59,6 +59,7 @@ struct aspeed_lpc_snoop_model_data {
};

struct aspeed_lpc_snoop_channel {
+ bool enabled;
struct kfifo fifo;
wait_queue_head_t wq;
struct miscdevice miscdev;
@@ -191,6 +192,9 @@ static int aspeed_lpc_enable_snoop(struct aspeed_lpc_snoop *lpc_snoop,
const struct aspeed_lpc_snoop_model_data *model_data =
of_device_get_match_data(dev);

+ if (WARN_ON(lpc_snoop->chan[channel].enabled))
+ return -EBUSY;
+
init_waitqueue_head(&lpc_snoop->chan[channel].wq);
/* Create FIFO datastructure */
rc = kfifo_alloc(&lpc_snoop->chan[channel].fifo,
@@ -237,6 +241,8 @@ static int aspeed_lpc_enable_snoop(struct aspeed_lpc_snoop *lpc_snoop,
regmap_update_bits(lpc_snoop->regmap, HICRB,
hicrb_en, hicrb_en);

+ lpc_snoop->chan[channel].enabled = true;
+
return 0;

err_misc_deregister:
@@ -249,6 +255,9 @@ static int aspeed_lpc_enable_snoop(struct aspeed_lpc_snoop *lpc_snoop,
static void aspeed_lpc_disable_snoop(struct aspeed_lpc_snoop *lpc_snoop,
int channel)
{
+ if (!lpc_snoop->chan[channel].enabled)
+ return;
+
switch (channel) {
case 0:
regmap_update_bits(lpc_snoop->regmap, HICR5,
@@ -264,8 +273,10 @@ static void aspeed_lpc_disable_snoop(struct aspeed_lpc_snoop *lpc_snoop,
return;
}

- kfifo_free(&lpc_snoop->chan[channel].fifo);
+ lpc_snoop->chan[channel].enabled = false;
+ /* Consider improving safety wrt concurrent reader(s) */
misc_deregister(&lpc_snoop->chan[channel].miscdev);
+ kfifo_free(&lpc_snoop->chan[channel].fifo);
}

static int aspeed_lpc_snoop_probe(struct platform_device *pdev)
diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c
index 3c2035fc9cee..5f88feb7366c 100644
--- a/drivers/thunderbolt/switch.c
+++ b/drivers/thunderbolt/switch.c
@@ -1491,7 +1491,7 @@ int tb_dp_port_set_hops(struct tb_port *port, unsigned int video,
return ret;

data[0] &= ~ADP_DP_CS_0_VIDEO_HOPID_MASK;
- data[1] &= ~ADP_DP_CS_1_AUX_RX_HOPID_MASK;
+ data[1] &= ~ADP_DP_CS_1_AUX_TX_HOPID_MASK;
data[1] &= ~ADP_DP_CS_1_AUX_RX_HOPID_MASK;

data[0] |= (video << ADP_DP_CS_0_VIDEO_HOPID_SHIFT) &
diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index abff1c6470f6..28f3d19a5bd7 100644
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -971,7 +971,7 @@ static unsigned int dma_handle_tx(struct eg20t_port *priv)
__func__);
return 0;
}
- dma_sync_sg_for_device(port->dev, priv->sg_tx_p, nent, DMA_TO_DEVICE);
+ dma_sync_sg_for_device(port->dev, priv->sg_tx_p, num, DMA_TO_DEVICE);
priv->desc_tx = desc;
desc->callback = pch_dma_tx_complete;
desc->callback_param = priv;
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index e6435408ea6c..5c8400dc7923 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -66,6 +66,12 @@
*/
#define USB_SHORT_SET_ADDRESS_REQ_TIMEOUT 500 /* ms */

+/*
+ * Give SS hubs 200ms time after wake to train downstream links before
+ * assuming no port activity and allowing hub to runtime suspend back.
+ */
+#define USB_SS_PORT_U0_WAKE_TIME 200 /* ms */
+
/* Protect struct usb_device->state and ->children members
* Note: Both are also protected by ->dev.sem, except that ->state can
* change to USB_STATE_NOTATTACHED even when the semaphore isn't held. */
@@ -1065,6 +1071,7 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
goto init2;
goto init3;
}
+
hub_get(hub);

/* The superspeed hub except for root hub has to use Hub Depth
@@ -1313,6 +1320,17 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
device_unlock(&hdev->dev);
}

+ if (type == HUB_RESUME && hub_is_superspeed(hub->hdev)) {
+ /* give usb3 downstream links training time after hub resume */
+ usb_autopm_get_interface_no_resume(
+ to_usb_interface(hub->intfdev));
+
+ queue_delayed_work(system_power_efficient_wq,
+ &hub->post_resume_work,
+ msecs_to_jiffies(USB_SS_PORT_U0_WAKE_TIME));
+ return;
+ }
+
hub_put(hub);
}

@@ -1331,6 +1349,14 @@ static void hub_init_func3(struct work_struct *ws)
hub_activate(hub, HUB_INIT3);
}

+static void hub_post_resume(struct work_struct *ws)
+{
+ struct usb_hub *hub = container_of(ws, struct usb_hub, post_resume_work.work);
+
+ usb_autopm_put_interface_async(to_usb_interface(hub->intfdev));
+ hub_put(hub);
+}
+
enum hub_quiescing_type {
HUB_DISCONNECT, HUB_PRE_RESET, HUB_SUSPEND
};
@@ -1356,6 +1382,7 @@ static void hub_quiesce(struct usb_hub *hub, enum hub_quiescing_type type)

/* Stop hub_wq and related activity */
del_timer_sync(&hub->irq_urb_retry);
+ flush_delayed_work(&hub->post_resume_work);
usb_kill_urb(hub->urb);
if (hub->has_indicators)
cancel_delayed_work_sync(&hub->leds);
@@ -1914,6 +1941,7 @@ static int hub_probe(struct usb_interface *intf, const struct usb_device_id *id)
hub->hdev = hdev;
INIT_DELAYED_WORK(&hub->leds, led_work);
INIT_DELAYED_WORK(&hub->init_work, NULL);
+ INIT_DELAYED_WORK(&hub->post_resume_work, hub_post_resume);
INIT_WORK(&hub->events, hub_event);
INIT_LIST_HEAD(&hub->onboard_hub_devs);
spin_lock_init(&hub->irq_urb_lock);
@@ -5674,6 +5702,7 @@ static void port_event(struct usb_hub *hub, int port1)
struct usb_device *hdev = hub->hdev;
u16 portstatus, portchange;
int i = 0;
+ int err;

connect_change = test_bit(port1, hub->change_bits);
clear_bit(port1, hub->event_bits);
@@ -5766,8 +5795,11 @@ static void port_event(struct usb_hub *hub, int port1)
} else if (!udev || !(portstatus & USB_PORT_STAT_CONNECTION)
|| udev->state == USB_STATE_NOTATTACHED) {
dev_dbg(&port_dev->dev, "do warm reset, port only\n");
- if (hub_port_reset(hub, port1, NULL,
- HUB_BH_RESET_TIME, true) < 0)
+ err = hub_port_reset(hub, port1, NULL,
+ HUB_BH_RESET_TIME, true);
+ if (!udev && err == -ENOTCONN)
+ connect_change = 0;
+ else if (err < 0)
hub_port_disable(hub, port1, 1);
} else {
dev_dbg(&port_dev->dev, "do warm reset, full device\n");
diff --git a/drivers/usb/core/hub.h b/drivers/usb/core/hub.h
index 1085c72335d5..da3a10a430de 100644
--- a/drivers/usb/core/hub.h
+++ b/drivers/usb/core/hub.h
@@ -69,6 +69,7 @@ struct usb_hub {
u8 indicator[USB_MAXCHILDREN];
struct delayed_work leds;
struct delayed_work init_work;
+ struct delayed_work post_resume_work;
struct work_struct events;
spinlock_t irq_urb_lock;
struct timer_list irq_urb_retry;
diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c
index 93747ab2cf5b..cdf114da31d8 100644
--- a/drivers/usb/dwc3/dwc3-qcom.c
+++ b/drivers/usb/dwc3/dwc3-qcom.c
@@ -856,13 +856,13 @@ static int dwc3_qcom_probe(struct platform_device *pdev)
ret = reset_control_deassert(qcom->resets);
if (ret) {
dev_err(&pdev->dev, "failed to deassert resets, err=%d\n", ret);
- goto reset_assert;
+ return ret;
}

ret = dwc3_qcom_clk_init(qcom, of_clk_get_parent_count(np));
if (ret) {
dev_err(dev, "failed to get clocks\n");
- goto reset_assert;
+ return ret;
}

res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -966,8 +966,6 @@ static int dwc3_qcom_probe(struct platform_device *pdev)
clk_disable_unprepare(qcom->clks[i]);
clk_put(qcom->clks[i]);
}
-reset_assert:
- reset_control_assert(qcom->resets);

return ret;
}
@@ -997,7 +995,6 @@ static int dwc3_qcom_remove(struct platform_device *pdev)
qcom->num_clocks = 0;

dwc3_qcom_interconnect_exit(qcom);
- reset_control_assert(qcom->resets);

pm_runtime_allow(dev);
pm_runtime_disable(dev);
diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c
index 5c1c7f36e544..cdbf12639dfa 100644
--- a/drivers/usb/gadget/configfs.c
+++ b/drivers/usb/gadget/configfs.c
@@ -862,6 +862,8 @@ static ssize_t os_desc_qw_sign_store(struct config_item *item, const char *page,
struct gadget_info *gi = os_desc_item_to_gadget_info(item);
int res, l;

+ if (!len)
+ return len;
l = min((int)len, OS_STRING_QW_SIGN_LEN >> 1);
if (page[l - 1] == '\n')
--l;
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 03027c6fa3ab..a0fe2516870b 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -502,7 +502,7 @@ int musb_set_host(struct musb *musb)

init_data:
musb->is_active = 1;
- musb->xceiv->otg->state = OTG_STATE_A_IDLE;
+ musb_set_state(musb, OTG_STATE_A_IDLE);
MUSB_HST_MODE(musb);

return error;
@@ -549,7 +549,7 @@ int musb_set_peripheral(struct musb *musb)

init_data:
musb->is_active = 0;
- musb->xceiv->otg->state = OTG_STATE_B_IDLE;
+ musb_set_state(musb, OTG_STATE_B_IDLE);
MUSB_DEV_MODE(musb);

return error;
@@ -599,12 +599,12 @@ static void musb_otg_timer_func(struct timer_list *t)
unsigned long flags;

spin_lock_irqsave(&musb->lock, flags);
- switch (musb->xceiv->otg->state) {
+ switch (musb_get_state(musb)) {
case OTG_STATE_B_WAIT_ACON:
musb_dbg(musb,
"HNP: b_wait_acon timeout; back to b_peripheral");
musb_g_disconnect(musb);
- musb->xceiv->otg->state = OTG_STATE_B_PERIPHERAL;
+ musb_set_state(musb, OTG_STATE_B_PERIPHERAL);
musb->is_active = 0;
break;
case OTG_STATE_A_SUSPEND:
@@ -612,7 +612,7 @@ static void musb_otg_timer_func(struct timer_list *t)
musb_dbg(musb, "HNP: %s timeout",
usb_otg_state_string(musb->xceiv->otg->state));
musb_platform_set_vbus(musb, 0);
- musb->xceiv->otg->state = OTG_STATE_A_WAIT_VFALL;
+ musb_set_state(musb, OTG_STATE_A_WAIT_VFALL);
break;
default:
musb_dbg(musb, "HNP: Unhandled mode %s",
@@ -633,7 +633,7 @@ void musb_hnp_stop(struct musb *musb)
musb_dbg(musb, "HNP: stop from %s",
usb_otg_state_string(musb->xceiv->otg->state));

- switch (musb->xceiv->otg->state) {
+ switch (musb_get_state(musb)) {
case OTG_STATE_A_PERIPHERAL:
musb_g_disconnect(musb);
musb_dbg(musb, "HNP: back to %s",
@@ -643,7 +643,7 @@ void musb_hnp_stop(struct musb *musb)
musb_dbg(musb, "HNP: Disabling HR");
if (hcd)
hcd->self.is_b_host = 0;
- musb->xceiv->otg->state = OTG_STATE_B_PERIPHERAL;
+ musb_set_state(musb, OTG_STATE_B_PERIPHERAL);
MUSB_DEV_MODE(musb);
reg = musb_readb(mbase, MUSB_POWER);
reg |= MUSB_POWER_SUSPENDM;
@@ -671,7 +671,7 @@ static void musb_handle_intr_resume(struct musb *musb, u8 devctl)
usb_otg_state_string(musb->xceiv->otg->state));

if (devctl & MUSB_DEVCTL_HM) {
- switch (musb->xceiv->otg->state) {
+ switch (musb_get_state(musb)) {
case OTG_STATE_A_SUSPEND:
/* remote wakeup? */
musb->port1_status |=
@@ -679,14 +679,14 @@ static void musb_handle_intr_resume(struct musb *musb, u8 devctl)
| MUSB_PORT_STAT_RESUME;
musb->rh_timer = jiffies
+ msecs_to_jiffies(USB_RESUME_TIMEOUT);
- musb->xceiv->otg->state = OTG_STATE_A_HOST;
+ musb_set_state(musb, OTG_STATE_A_HOST);
musb->is_active = 1;
musb_host_resume_root_hub(musb);
schedule_delayed_work(&musb->finish_resume_work,
msecs_to_jiffies(USB_RESUME_TIMEOUT));
break;
case OTG_STATE_B_WAIT_ACON:
- musb->xceiv->otg->state = OTG_STATE_B_PERIPHERAL;
+ musb_set_state(musb, OTG_STATE_B_PERIPHERAL);
musb->is_active = 1;
MUSB_DEV_MODE(musb);
break;
@@ -696,10 +696,10 @@ static void musb_handle_intr_resume(struct musb *musb, u8 devctl)
usb_otg_state_string(musb->xceiv->otg->state));
}
} else {
- switch (musb->xceiv->otg->state) {
+ switch (musb_get_state(musb)) {
case OTG_STATE_A_SUSPEND:
/* possibly DISCONNECT is upcoming */
- musb->xceiv->otg->state = OTG_STATE_A_HOST;
+ musb_set_state(musb, OTG_STATE_A_HOST);
musb_host_resume_root_hub(musb);
break;
case OTG_STATE_B_WAIT_ACON:
@@ -750,7 +750,7 @@ static irqreturn_t musb_handle_intr_sessreq(struct musb *musb, u8 devctl)
*/
musb_writeb(mbase, MUSB_DEVCTL, MUSB_DEVCTL_SESSION);
musb->ep0_stage = MUSB_EP0_START;
- musb->xceiv->otg->state = OTG_STATE_A_IDLE;
+ musb_set_state(musb, OTG_STATE_A_IDLE);
MUSB_HST_MODE(musb);
musb_platform_set_vbus(musb, 1);

@@ -777,7 +777,7 @@ static void musb_handle_intr_vbuserr(struct musb *musb, u8 devctl)
* REVISIT: do delays from lots of DEBUG_KERNEL checks
* make trouble here, keeping VBUS < 4.4V ?
*/
- switch (musb->xceiv->otg->state) {
+ switch (musb_get_state(musb)) {
case OTG_STATE_A_HOST:
/* recovery is dicey once we've gotten past the
* initial stages of enumeration, but if VBUS
@@ -833,7 +833,7 @@ static void musb_handle_intr_suspend(struct musb *musb, u8 devctl)
musb_dbg(musb, "SUSPEND (%s) devctl %02x",
usb_otg_state_string(musb->xceiv->otg->state), devctl);

- switch (musb->xceiv->otg->state) {
+ switch (musb_get_state(musb)) {
case OTG_STATE_A_PERIPHERAL:
/* We also come here if the cable is removed, since
* this silicon doesn't report ID-no-longer-grounded.
@@ -858,7 +858,7 @@ static void musb_handle_intr_suspend(struct musb *musb, u8 devctl)
musb_g_suspend(musb);
musb->is_active = musb->g.b_hnp_enable;
if (musb->is_active) {
- musb->xceiv->otg->state = OTG_STATE_B_WAIT_ACON;
+ musb_set_state(musb, OTG_STATE_B_WAIT_ACON);
musb_dbg(musb, "HNP: Setting timer for b_ase0_brst");
mod_timer(&musb->otg_timer, jiffies
+ msecs_to_jiffies(
@@ -871,7 +871,7 @@ static void musb_handle_intr_suspend(struct musb *musb, u8 devctl)
+ msecs_to_jiffies(musb->a_wait_bcon));
break;
case OTG_STATE_A_HOST:
- musb->xceiv->otg->state = OTG_STATE_A_SUSPEND;
+ musb_set_state(musb, OTG_STATE_A_SUSPEND);
musb->is_active = musb->hcd->self.b_hnp_enable;
break;
case OTG_STATE_B_HOST:
@@ -909,7 +909,7 @@ static void musb_handle_intr_connect(struct musb *musb, u8 devctl, u8 int_usb)
musb->port1_status |= USB_PORT_STAT_LOW_SPEED;

/* indicate new connection to OTG machine */
- switch (musb->xceiv->otg->state) {
+ switch (musb_get_state(musb)) {
case OTG_STATE_B_PERIPHERAL:
if (int_usb & MUSB_INTR_SUSPEND) {
musb_dbg(musb, "HNP: SUSPEND+CONNECT, now b_host");
@@ -921,7 +921,7 @@ static void musb_handle_intr_connect(struct musb *musb, u8 devctl, u8 int_usb)
case OTG_STATE_B_WAIT_ACON:
musb_dbg(musb, "HNP: CONNECT, now b_host");
b_host:
- musb->xceiv->otg->state = OTG_STATE_B_HOST;
+ musb_set_state(musb, OTG_STATE_B_HOST);
if (musb->hcd)
musb->hcd->self.is_b_host = 1;
del_timer(&musb->otg_timer);
@@ -929,7 +929,7 @@ static void musb_handle_intr_connect(struct musb *musb, u8 devctl, u8 int_usb)
default:
if ((devctl & MUSB_DEVCTL_VBUS)
== (3 << MUSB_DEVCTL_VBUS_SHIFT)) {
- musb->xceiv->otg->state = OTG_STATE_A_HOST;
+ musb_set_state(musb, OTG_STATE_A_HOST);
if (hcd)
hcd->self.is_b_host = 0;
}
@@ -948,7 +948,7 @@ static void musb_handle_intr_disconnect(struct musb *musb, u8 devctl)
usb_otg_state_string(musb->xceiv->otg->state),
MUSB_MODE(musb), devctl);

- switch (musb->xceiv->otg->state) {
+ switch (musb_get_state(musb)) {
case OTG_STATE_A_HOST:
case OTG_STATE_A_SUSPEND:
musb_host_resume_root_hub(musb);
@@ -966,7 +966,7 @@ static void musb_handle_intr_disconnect(struct musb *musb, u8 devctl)
musb_root_disconnect(musb);
if (musb->hcd)
musb->hcd->self.is_b_host = 0;
- musb->xceiv->otg->state = OTG_STATE_B_PERIPHERAL;
+ musb_set_state(musb, OTG_STATE_B_PERIPHERAL);
MUSB_DEV_MODE(musb);
musb_g_disconnect(musb);
break;
@@ -1006,7 +1006,7 @@ static void musb_handle_intr_reset(struct musb *musb)
} else {
musb_dbg(musb, "BUS RESET as %s",
usb_otg_state_string(musb->xceiv->otg->state));
- switch (musb->xceiv->otg->state) {
+ switch (musb_get_state(musb)) {
case OTG_STATE_A_SUSPEND:
musb_g_reset(musb);
fallthrough;
@@ -1025,11 +1025,11 @@ static void musb_handle_intr_reset(struct musb *musb)
case OTG_STATE_B_WAIT_ACON:
musb_dbg(musb, "HNP: RESET (%s), to b_peripheral",
usb_otg_state_string(musb->xceiv->otg->state));
- musb->xceiv->otg->state = OTG_STATE_B_PERIPHERAL;
+ musb_set_state(musb, OTG_STATE_B_PERIPHERAL);
musb_g_reset(musb);
break;
case OTG_STATE_B_IDLE:
- musb->xceiv->otg->state = OTG_STATE_B_PERIPHERAL;
+ musb_set_state(musb, OTG_STATE_B_PERIPHERAL);
fallthrough;
case OTG_STATE_B_PERIPHERAL:
musb_g_reset(musb);
@@ -1216,8 +1216,8 @@ void musb_start(struct musb *musb)
* (c) peripheral initiates, using SRP
*/
if (musb->port_mode != MUSB_HOST &&
- musb->xceiv->otg->state != OTG_STATE_A_WAIT_BCON &&
- (devctl & MUSB_DEVCTL_VBUS) == MUSB_DEVCTL_VBUS) {
+ musb_get_state(musb) != OTG_STATE_A_WAIT_BCON &&
+ (devctl & MUSB_DEVCTL_VBUS) == MUSB_DEVCTL_VBUS) {
musb->is_active = 1;
} else {
devctl |= MUSB_DEVCTL_SESSION;
@@ -1908,7 +1908,7 @@ vbus_store(struct device *dev, struct device_attribute *attr,
spin_lock_irqsave(&musb->lock, flags);
/* force T(a_wait_bcon) to be zero/unlimited *OR* valid */
musb->a_wait_bcon = val ? max_t(int, val, OTG_TIME_A_WAIT_BCON) : 0 ;
- if (musb->xceiv->otg->state == OTG_STATE_A_WAIT_BCON)
+ if (musb_get_state(musb) == OTG_STATE_A_WAIT_BCON)
musb->is_active = 0;
musb_platform_try_idle(musb, jiffies + msecs_to_jiffies(val));
spin_unlock_irqrestore(&musb->lock, flags);
@@ -2089,8 +2089,8 @@ static void musb_irq_work(struct work_struct *data)

musb_pm_runtime_check_session(musb);

- if (musb->xceiv->otg->state != musb->xceiv_old_state) {
- musb->xceiv_old_state = musb->xceiv->otg->state;
+ if (musb_get_state(musb) != musb->xceiv_old_state) {
+ musb->xceiv_old_state = musb_get_state(musb);
sysfs_notify(&musb->controller->kobj, NULL, "mode");
}

@@ -2532,7 +2532,7 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl)
}

MUSB_DEV_MODE(musb);
- musb->xceiv->otg->state = OTG_STATE_B_IDLE;
+ musb_set_state(musb, OTG_STATE_B_IDLE);

switch (musb->port_mode) {
case MUSB_HOST:
diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h
index a8a65effe68b..4a4d485d37bd 100644
--- a/drivers/usb/musb/musb_core.h
+++ b/drivers/usb/musb/musb_core.h
@@ -592,6 +592,17 @@ static inline void musb_platform_clear_ep_rxintr(struct musb *musb, int epnum)
musb->ops->clear_ep_rxintr(musb, epnum);
}

+static inline void musb_set_state(struct musb *musb,
+ enum usb_otg_state otg_state)
+{
+ musb->xceiv->otg->state = otg_state;
+}
+
+static inline enum usb_otg_state musb_get_state(struct musb *musb)
+{
+ return musb->xceiv->otg->state;
+}
+
/*
* gets the "dr_mode" property from DT and converts it into musb_mode
* if the property is not found or not recognized returns MUSB_OTG
diff --git a/drivers/usb/musb/musb_debugfs.c b/drivers/usb/musb/musb_debugfs.c
index 5401ae66894e..2d623284edf6 100644
--- a/drivers/usb/musb/musb_debugfs.c
+++ b/drivers/usb/musb/musb_debugfs.c
@@ -235,7 +235,7 @@ static int musb_softconnect_show(struct seq_file *s, void *unused)
u8 reg;
int connect;

- switch (musb->xceiv->otg->state) {
+ switch (musb_get_state(musb)) {
case OTG_STATE_A_HOST:
case OTG_STATE_A_WAIT_BCON:
pm_runtime_get_sync(musb->controller);
@@ -275,7 +275,7 @@ static ssize_t musb_softconnect_write(struct file *file,

pm_runtime_get_sync(musb->controller);
if (!strncmp(buf, "0", 1)) {
- switch (musb->xceiv->otg->state) {
+ switch (musb_get_state(musb)) {
case OTG_STATE_A_HOST:
musb_root_disconnect(musb);
reg = musb_readb(musb->mregs, MUSB_DEVCTL);
@@ -286,7 +286,7 @@ static ssize_t musb_softconnect_write(struct file *file,
break;
}
} else if (!strncmp(buf, "1", 1)) {
- switch (musb->xceiv->otg->state) {
+ switch (musb_get_state(musb)) {
case OTG_STATE_A_WAIT_BCON:
/*
* musb_save_context() called in musb_runtime_suspend()
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index eb3464f977a7..e3a5d136717d 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -1530,7 +1530,7 @@ static int musb_gadget_wakeup(struct usb_gadget *gadget)

spin_lock_irqsave(&musb->lock, flags);

- switch (musb->xceiv->otg->state) {
+ switch (musb_get_state(musb)) {
case OTG_STATE_B_PERIPHERAL:
/* NOTE: OTG state machine doesn't include B_SUSPENDED;
* that's part of the standard usb 1.1 state machine, and
@@ -1792,7 +1792,7 @@ int musb_gadget_setup(struct musb *musb)
musb->g.speed = USB_SPEED_UNKNOWN;

MUSB_DEV_MODE(musb);
- musb->xceiv->otg->state = OTG_STATE_B_IDLE;
+ musb_set_state(musb, OTG_STATE_B_IDLE);

/* this "gadget" abstracts/virtualizes the controller */
musb->g.name = musb_driver_name;
@@ -1857,7 +1857,7 @@ static int musb_gadget_start(struct usb_gadget *g,
musb->is_active = 1;

otg_set_peripheral(otg, &musb->g);
- musb->xceiv->otg->state = OTG_STATE_B_IDLE;
+ musb_set_state(musb, OTG_STATE_B_IDLE);
spin_unlock_irqrestore(&musb->lock, flags);

musb_start(musb);
@@ -1902,7 +1902,7 @@ static int musb_gadget_stop(struct usb_gadget *g)

(void) musb_gadget_vbus_draw(&musb->g, 0);

- musb->xceiv->otg->state = OTG_STATE_UNDEFINED;
+ musb_set_state(musb, OTG_STATE_UNDEFINED);
musb_stop(musb);
otg_set_peripheral(musb->xceiv->otg, NULL);

@@ -1916,6 +1916,7 @@ static int musb_gadget_stop(struct usb_gadget *g)
* gadget driver here and have everything work;
* that currently misbehaves.
*/
+ usb_gadget_set_state(g, USB_STATE_NOTATTACHED);

/* Force check of devctl register for PM runtime */
pm_runtime_mark_last_busy(musb->controller);
@@ -1931,7 +1932,7 @@ static int musb_gadget_stop(struct usb_gadget *g)
void musb_g_resume(struct musb *musb)
{
musb->is_suspended = 0;
- switch (musb->xceiv->otg->state) {
+ switch (musb_get_state(musb)) {
case OTG_STATE_B_IDLE:
break;
case OTG_STATE_B_WAIT_ACON:
@@ -1957,10 +1958,10 @@ void musb_g_suspend(struct musb *musb)
devctl = musb_readb(musb->mregs, MUSB_DEVCTL);
musb_dbg(musb, "musb_g_suspend: devctl %02x", devctl);

- switch (musb->xceiv->otg->state) {
+ switch (musb_get_state(musb)) {
case OTG_STATE_B_IDLE:
if ((devctl & MUSB_DEVCTL_VBUS) == MUSB_DEVCTL_VBUS)
- musb->xceiv->otg->state = OTG_STATE_B_PERIPHERAL;
+ musb_set_state(musb, OTG_STATE_B_PERIPHERAL);
break;
case OTG_STATE_B_PERIPHERAL:
musb->is_suspended = 1;
@@ -2006,22 +2007,23 @@ void musb_g_disconnect(struct musb *musb)
spin_lock(&musb->lock);
}

- switch (musb->xceiv->otg->state) {
+ switch (musb_get_state(musb)) {
default:
musb_dbg(musb, "Unhandled disconnect %s, setting a_idle",
usb_otg_state_string(musb->xceiv->otg->state));
- musb->xceiv->otg->state = OTG_STATE_A_IDLE;
+ musb_set_state(musb, OTG_STATE_A_IDLE);
MUSB_HST_MODE(musb);
break;
case OTG_STATE_A_PERIPHERAL:
- musb->xceiv->otg->state = OTG_STATE_A_WAIT_BCON;
+ musb_set_state(musb, OTG_STATE_A_WAIT_BCON);
MUSB_HST_MODE(musb);
break;
case OTG_STATE_B_WAIT_ACON:
case OTG_STATE_B_HOST:
case OTG_STATE_B_PERIPHERAL:
case OTG_STATE_B_IDLE:
- musb->xceiv->otg->state = OTG_STATE_B_IDLE;
+ musb_set_state(musb, OTG_STATE_B_IDLE);
+ usb_gadget_set_state(&musb->g, USB_STATE_NOTATTACHED);
break;
case OTG_STATE_B_SRP_INIT:
break;
@@ -2085,13 +2087,13 @@ __acquires(musb->lock)
* In that case, do not rely on devctl for setting
* peripheral mode.
*/
- musb->xceiv->otg->state = OTG_STATE_B_PERIPHERAL;
+ musb_set_state(musb, OTG_STATE_B_PERIPHERAL);
musb->g.is_a_peripheral = 0;
} else if (devctl & MUSB_DEVCTL_BDEVICE) {
- musb->xceiv->otg->state = OTG_STATE_B_PERIPHERAL;
+ musb_set_state(musb, OTG_STATE_B_PERIPHERAL);
musb->g.is_a_peripheral = 0;
} else {
- musb->xceiv->otg->state = OTG_STATE_A_PERIPHERAL;
+ musb_set_state(musb, OTG_STATE_A_PERIPHERAL);
musb->g.is_a_peripheral = 1;
}

diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index ef0b1589b10e..08c73e9f75d0 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -2508,7 +2508,7 @@ static int musb_bus_suspend(struct usb_hcd *hcd)
if (!is_host_active(musb))
return 0;

- switch (musb->xceiv->otg->state) {
+ switch (musb_get_state(musb)) {
case OTG_STATE_A_SUSPEND:
return 0;
case OTG_STATE_A_WAIT_VRISE:
@@ -2518,7 +2518,7 @@ static int musb_bus_suspend(struct usb_hcd *hcd)
*/
devctl = musb_readb(musb->mregs, MUSB_DEVCTL);
if ((devctl & MUSB_DEVCTL_VBUS) == MUSB_DEVCTL_VBUS)
- musb->xceiv->otg->state = OTG_STATE_A_WAIT_BCON;
+ musb_set_state(musb, OTG_STATE_A_WAIT_BCON);
break;
default:
break;
@@ -2727,7 +2727,7 @@ int musb_host_setup(struct musb *musb, int power_budget)

if (musb->port_mode == MUSB_HOST) {
MUSB_HST_MODE(musb);
- musb->xceiv->otg->state = OTG_STATE_A_IDLE;
+ musb_set_state(musb, OTG_STATE_A_IDLE);
}
otg_set_host(musb->xceiv->otg, &hcd->self);
/* don't support otg protocols */
diff --git a/drivers/usb/musb/musb_virthub.c b/drivers/usb/musb/musb_virthub.c
index cafc69536e1d..d1cfd45d69e3 100644
--- a/drivers/usb/musb/musb_virthub.c
+++ b/drivers/usb/musb/musb_virthub.c
@@ -43,7 +43,7 @@ void musb_host_finish_resume(struct work_struct *work)
musb->port1_status |= USB_PORT_STAT_C_SUSPEND << 16;
usb_hcd_poll_rh_status(musb->hcd);
/* NOTE: it might really be A_WAIT_BCON ... */
- musb->xceiv->otg->state = OTG_STATE_A_HOST;
+ musb_set_state(musb, OTG_STATE_A_HOST);

spin_unlock_irqrestore(&musb->lock, flags);
}
@@ -85,9 +85,9 @@ int musb_port_suspend(struct musb *musb, bool do_suspend)
musb_dbg(musb, "Root port suspended, power %02x", power);

musb->port1_status |= USB_PORT_STAT_SUSPEND;
- switch (musb->xceiv->otg->state) {
+ switch (musb_get_state(musb)) {
case OTG_STATE_A_HOST:
- musb->xceiv->otg->state = OTG_STATE_A_SUSPEND;
+ musb_set_state(musb, OTG_STATE_A_SUSPEND);
musb->is_active = otg->host->b_hnp_enable;
if (musb->is_active)
mod_timer(&musb->otg_timer, jiffies
@@ -96,7 +96,7 @@ int musb_port_suspend(struct musb *musb, bool do_suspend)
musb_platform_try_idle(musb, 0);
break;
case OTG_STATE_B_HOST:
- musb->xceiv->otg->state = OTG_STATE_B_WAIT_ACON;
+ musb_set_state(musb, OTG_STATE_B_WAIT_ACON);
musb->is_active = otg->host->b_hnp_enable;
musb_platform_try_idle(musb, 0);
break;
@@ -123,7 +123,7 @@ void musb_port_reset(struct musb *musb, bool do_reset)
u8 power;
void __iomem *mbase = musb->mregs;

- if (musb->xceiv->otg->state == OTG_STATE_B_IDLE) {
+ if (musb_get_state(musb) == OTG_STATE_B_IDLE) {
musb_dbg(musb, "HNP: Returning from HNP; no hub reset from b_idle");
musb->port1_status &= ~USB_PORT_STAT_RESET;
return;
@@ -204,20 +204,20 @@ void musb_root_disconnect(struct musb *musb)
usb_hcd_poll_rh_status(musb->hcd);
musb->is_active = 0;

- switch (musb->xceiv->otg->state) {
+ switch (musb_get_state(musb)) {
case OTG_STATE_A_SUSPEND:
if (otg->host->b_hnp_enable) {
- musb->xceiv->otg->state = OTG_STATE_A_PERIPHERAL;
+ musb_set_state(musb, OTG_STATE_A_PERIPHERAL);
musb->g.is_a_peripheral = 1;
break;
}
fallthrough;
case OTG_STATE_A_HOST:
- musb->xceiv->otg->state = OTG_STATE_A_WAIT_BCON;
+ musb_set_state(musb, OTG_STATE_A_WAIT_BCON);
musb->is_active = 0;
break;
case OTG_STATE_A_WAIT_VFALL:
- musb->xceiv->otg->state = OTG_STATE_B_IDLE;
+ musb_set_state(musb, OTG_STATE_B_IDLE);
break;
default:
musb_dbg(musb, "host disconnect (%s)",
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 56e1c574f667..11afbe4a67d1 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -803,6 +803,8 @@ static const struct usb_device_id id_table_combined[] = {
.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
{ USB_DEVICE(FTDI_VID, FTDI_NDI_AURORA_SCU_PID),
.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
+ { USB_DEVICE(FTDI_NDI_VID, FTDI_NDI_EMGUIDE_GEMINI_PID),
+ .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
{ USB_DEVICE(TELLDUS_VID, TELLDUS_TELLSTICK_PID) },
{ USB_DEVICE(NOVITUS_VID, NOVITUS_BONO_E_PID) },
{ USB_DEVICE(FTDI_VID, RTSYSTEMS_USB_VX8_PID) },
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index 9acb6f837327..4cc1fae8acb9 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -204,6 +204,9 @@
#define FTDI_NDI_FUTURE_3_PID 0xDA73 /* NDI future device #3 */
#define FTDI_NDI_AURORA_SCU_PID 0xDA74 /* NDI Aurora SCU */

+#define FTDI_NDI_VID 0x23F2
+#define FTDI_NDI_EMGUIDE_GEMINI_PID 0x0003 /* NDI Emguide Gemini */
+
/*
* ChamSys Limited (www.chamsys.co.uk) USB wing/interface product IDs
*/
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index b09d95da2fe5..1c31ae9fd162 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -1415,6 +1415,9 @@ static const struct usb_device_id option_ids[] = {
.driver_info = NCTRL(5) },
{ USB_DEVICE_AND_INTERFACE_INFO(TELIT_VENDOR_ID, 0x10d0, 0xff, 0xff, 0x40) },
{ USB_DEVICE_AND_INTERFACE_INFO(TELIT_VENDOR_ID, 0x10d0, 0xff, 0xff, 0x60) },
+ { USB_DEVICE_AND_INTERFACE_INFO(TELIT_VENDOR_ID, 0x10c7, 0xff, 0xff, 0x30), /* Telit FE910C04 (ECM) */
+ .driver_info = NCTRL(4) },
+ { USB_DEVICE_AND_INTERFACE_INFO(TELIT_VENDOR_ID, 0x10c7, 0xff, 0xff, 0x40) },
{ USB_DEVICE_AND_INTERFACE_INFO(TELIT_VENDOR_ID, 0x10d1, 0xff, 0xff, 0x30), /* Telit FN990B (MBIM) */
.driver_info = NCTRL(6) },
{ USB_DEVICE_AND_INTERFACE_INFO(TELIT_VENDOR_ID, 0x10d1, 0xff, 0xff, 0x40) },
@@ -2343,6 +2346,8 @@ static const struct usb_device_id option_ids[] = {
.driver_info = RSVD(3) },
{ USB_DEVICE_INTERFACE_CLASS(0x0489, 0xe145, 0xff), /* Foxconn T99W651 RNDIS */
.driver_info = RSVD(5) | RSVD(6) },
+ { USB_DEVICE_INTERFACE_CLASS(0x0489, 0xe167, 0xff), /* Foxconn T99W640 MBIM */
+ .driver_info = RSVD(3) },
{ USB_DEVICE(0x1508, 0x1001), /* Fibocom NL668 (IOT version) */
.driver_info = RSVD(4) | RSVD(5) | RSVD(6) },
{ USB_DEVICE(0x1782, 0x4d10) }, /* Fibocom L610 (AT mode) */
diff --git a/fs/cachefiles/io.c b/fs/cachefiles/io.c
index 000a28f46e59..5d2a41bab9c1 100644
--- a/fs/cachefiles/io.c
+++ b/fs/cachefiles/io.c
@@ -356,8 +356,6 @@ int __cachefiles_write(struct cachefiles_object *object,
default:
ki->was_async = false;
cachefiles_write_complete(&ki->iocb, ret);
- if (ret > 0)
- ret = 0;
break;
}

diff --git a/fs/cachefiles/ondemand.c b/fs/cachefiles/ondemand.c
index 3389a373faf6..cfa8f23fdfb6 100644
--- a/fs/cachefiles/ondemand.c
+++ b/fs/cachefiles/ondemand.c
@@ -84,10 +84,8 @@ static ssize_t cachefiles_ondemand_fd_write_iter(struct kiocb *kiocb,

trace_cachefiles_ondemand_fd_write(object, file_inode(file), pos, len);
ret = __cachefiles_write(object, file, pos, iter, NULL, NULL);
- if (!ret) {
- ret = len;
+ if (ret > 0)
kiocb->ki_pos += ret;
- }

out:
fput(file);
diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c
index 8a6c7fdc1d5f..e3052d3fe5dc 100644
--- a/fs/isofs/inode.c
+++ b/fs/isofs/inode.c
@@ -1491,9 +1491,16 @@ static int isofs_read_inode(struct inode *inode, int relocated)
inode->i_op = &page_symlink_inode_operations;
inode_nohighmem(inode);
inode->i_data.a_ops = &isofs_symlink_aops;
- } else
+ } else if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode) ||
+ S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) {
/* XXX - parse_rock_ridge_inode() had already set i_rdev. */
init_special_inode(inode, inode->i_mode, inode->i_rdev);
+ } else {
+ printk(KERN_DEBUG "ISOFS: Invalid file type 0%04o for inode %lu.\n",
+ inode->i_mode, inode->i_ino);
+ ret = -EIO;
+ goto fail;
+ }

ret = 0;
out:
diff --git a/fs/namespace.c b/fs/namespace.c
index 67d89ebb5044..f0fa2a1a6b05 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -2018,6 +2018,11 @@ struct vfsmount *clone_private_mount(const struct path *path)
if (!check_mnt(old_mnt))
goto invalid;

+ if (!ns_capable(old_mnt->mnt_ns->user_ns, CAP_SYS_ADMIN)) {
+ up_read(&namespace_sem);
+ return ERR_PTR(-EPERM);
+ }
+
if (has_locked_children(old_mnt, path->dentry))
goto invalid;

diff --git a/fs/smb/client/file.c b/fs/smb/client/file.c
index 9b0919d9e337..3551054ef097 100644
--- a/fs/smb/client/file.c
+++ b/fs/smb/client/file.c
@@ -5189,7 +5189,8 @@ void cifs_oplock_break(struct work_struct *work)
struct cifsFileInfo *cfile = container_of(work, struct cifsFileInfo,
oplock_break);
struct inode *inode = d_inode(cfile->dentry);
- struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
+ struct super_block *sb = inode->i_sb;
+ struct cifs_sb_info *cifs_sb = CIFS_SB(sb);
struct cifsInodeInfo *cinode = CIFS_I(inode);
struct cifs_tcon *tcon;
struct TCP_Server_Info *server;
@@ -5199,6 +5200,12 @@ void cifs_oplock_break(struct work_struct *work)
__u64 persistent_fid, volatile_fid;
__u16 net_fid;

+ /*
+ * Hold a reference to the superblock to prevent it and its inodes from
+ * being freed while we are accessing cinode. Otherwise, _cifsFileInfo_put()
+ * may release the last reference to the sb and trigger inode eviction.
+ */
+ cifs_sb_active(sb);
wait_on_bit(&cinode->flags, CIFS_INODE_PENDING_WRITERS,
TASK_UNINTERRUPTIBLE);

@@ -5271,6 +5278,7 @@ void cifs_oplock_break(struct work_struct *work)
cifs_put_tlink(tlink);
out:
cifs_done_oplock_break(cinode);
+ cifs_sb_deactive(sb);
}

/*
diff --git a/fs/smb/client/smb2ops.c b/fs/smb/client/smb2ops.c
index c9b9892b510e..7d720cf9fe72 100644
--- a/fs/smb/client/smb2ops.c
+++ b/fs/smb/client/smb2ops.c
@@ -4497,6 +4497,7 @@ crypt_message(struct TCP_Server_Info *server, int num_rqst,
u8 key[SMB3_ENC_DEC_KEY_SIZE];
struct aead_request *req;
u8 *iv;
+ DECLARE_CRYPTO_WAIT(wait);
unsigned int crypt_len = le32_to_cpu(tr_hdr->OriginalMessageSize);
void *creq;

@@ -4545,7 +4546,11 @@ crypt_message(struct TCP_Server_Info *server, int num_rqst,
aead_request_set_crypt(req, sg, sg, crypt_len, iv);
aead_request_set_ad(req, assoc_data_len);

- rc = enc ? crypto_aead_encrypt(req) : crypto_aead_decrypt(req);
+ aead_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
+ crypto_req_done, &wait);
+
+ rc = crypto_wait_req(enc ? crypto_aead_encrypt(req)
+ : crypto_aead_decrypt(req), &wait);

if (!rc && enc)
memcpy(&tr_hdr->Signature, sign, SMB2_SIGNATURE_SIZE);
diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h
index 3dbf947285be..be396d566b57 100644
--- a/include/net/netfilter/nf_conntrack.h
+++ b/include/net/netfilter/nf_conntrack.h
@@ -306,8 +306,19 @@ static inline bool nf_ct_is_expired(const struct nf_conn *ct)
/* use after obtaining a reference count */
static inline bool nf_ct_should_gc(const struct nf_conn *ct)
{
- return nf_ct_is_expired(ct) && nf_ct_is_confirmed(ct) &&
- !nf_ct_is_dying(ct);
+ if (!nf_ct_is_confirmed(ct))
+ return false;
+
+ /* load ct->timeout after is_confirmed() test.
+ * Pairs with __nf_conntrack_confirm() which:
+ * 1. Increases ct->timeout value
+ * 2. Inserts ct into rcu hlist
+ * 3. Sets the confirmed bit
+ * 4. Unlocks the hlist lock
+ */
+ smp_acquire__after_ctrl_dep();
+
+ return nf_ct_is_expired(ct) && !nf_ct_is_dying(ct);
}

#define NF_CT_DAY (86400 * HZ)
diff --git a/io_uring/net.c b/io_uring/net.c
index 898990e71367..cc25cbb27e5d 100644
--- a/io_uring/net.c
+++ b/io_uring/net.c
@@ -1490,9 +1490,11 @@ int io_connect(struct io_kiocb *req, unsigned int issue_flags)
io = &__io;
}

- if (unlikely(req->flags & REQ_F_FAIL)) {
- ret = -ECONNRESET;
- goto out;
+ if (connect->in_progress) {
+ struct poll_table_struct pt = { ._key = EPOLLERR };
+
+ if (vfs_poll(req->file, &pt) & EPOLLERR)
+ goto get_sock_err;
}

file_flags = force_nonblock ? O_NONBLOCK : 0;
@@ -1524,8 +1526,10 @@ int io_connect(struct io_kiocb *req, unsigned int issue_flags)
* which means the previous result is good. For both of these,
* grab the sock_error() and use that for the completion.
*/
- if (ret == -EBADFD || ret == -EISCONN)
+ if (ret == -EBADFD || ret == -EISCONN) {
+get_sock_err:
ret = sock_error(sock_from_file(req->file)->sk);
+ }
}
if (ret == -ERESTARTSYS)
ret = -EINTR;
diff --git a/io_uring/poll.c b/io_uring/poll.c
index bbdc9a7624a1..ab27a627fd4c 100644
--- a/io_uring/poll.c
+++ b/io_uring/poll.c
@@ -288,8 +288,6 @@ static int io_poll_check_events(struct io_kiocb *req, bool *locked)
return IOU_POLL_REISSUE;
}
}
- if (unlikely(req->cqe.res & EPOLLERR))
- req_set_fail(req);
if (req->apoll_events & EPOLLONESHOT)
return IOU_POLL_DONE;
if (io_is_uring_fops(req->file))
diff --git a/kernel/bpf/helpers.c b/kernel/bpf/helpers.c
index 94e85d311641..be9dc396537f 100644
--- a/kernel/bpf/helpers.c
+++ b/kernel/bpf/helpers.c
@@ -876,6 +876,13 @@ int bpf_bprintf_prepare(char *fmt, u32 fmt_size, const u64 *raw_args,
if (fmt[i] == 'p') {
sizeof_cur_arg = sizeof(long);

+ if (fmt[i + 1] == 0 || isspace(fmt[i + 1]) ||
+ ispunct(fmt[i + 1])) {
+ if (tmp_buf)
+ cur_arg = raw_args[num_spec];
+ goto nocopy_fmt;
+ }
+
if ((fmt[i + 1] == 'k' || fmt[i + 1] == 'u') &&
fmt[i + 2] == 's') {
fmt_ptype = fmt[i + 1];
@@ -883,11 +890,9 @@ int bpf_bprintf_prepare(char *fmt, u32 fmt_size, const u64 *raw_args,
goto fmt_str;
}

- if (fmt[i + 1] == 0 || isspace(fmt[i + 1]) ||
- ispunct(fmt[i + 1]) || fmt[i + 1] == 'K' ||
+ if (fmt[i + 1] == 'K' ||
fmt[i + 1] == 'x' || fmt[i + 1] == 's' ||
fmt[i + 1] == 'S') {
- /* just kernel pointers */
if (tmp_buf)
cur_arg = raw_args[num_spec];
i++;
diff --git a/kernel/cgroup/legacy_freezer.c b/kernel/cgroup/legacy_freezer.c
index a3e13e6d5ee4..bee2f9ea5e4a 100644
--- a/kernel/cgroup/legacy_freezer.c
+++ b/kernel/cgroup/legacy_freezer.c
@@ -66,15 +66,9 @@ static struct freezer *parent_freezer(struct freezer *freezer)
bool cgroup_freezing(struct task_struct *task)
{
bool ret;
- unsigned int state;

rcu_read_lock();
- /* Check if the cgroup is still FREEZING, but not FROZEN. The extra
- * !FROZEN check is required, because the FREEZING bit is not cleared
- * when the state FROZEN is reached.
- */
- state = task_freezer(task)->state;
- ret = (state & CGROUP_FREEZING) && !(state & CGROUP_FROZEN);
+ ret = task_freezer(task)->state & CGROUP_FREEZING;
rcu_read_unlock();

return ret;
diff --git a/kernel/sched/loadavg.c b/kernel/sched/loadavg.c
index 52c8f8226b0d..35537ea03fff 100644
--- a/kernel/sched/loadavg.c
+++ b/kernel/sched/loadavg.c
@@ -80,7 +80,7 @@ long calc_load_fold_active(struct rq *this_rq, long adjust)
long nr_active, delta = 0;

nr_active = this_rq->nr_running - adjust;
- nr_active += (int)this_rq->nr_uninterruptible;
+ nr_active += (long)this_rq->nr_uninterruptible;

if (nr_active != this_rq->calc_load_active) {
delta = nr_active - this_rq->calc_load_active;
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index f0c3d0d4a0dd..95afded0b174 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -1003,7 +1003,7 @@ struct rq {
* one CPU and if it got migrated afterwards it may decrease
* it on another CPU. Always updated under the runqueue lock:
*/
- unsigned int nr_uninterruptible;
+ unsigned long nr_uninterruptible;

struct task_struct __rcu *curr;
struct task_struct *idle;
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index 8723ad2f9c63..876e14953fa3 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -2714,7 +2714,10 @@ __register_event(struct trace_event_call *call, struct module *mod)
if (ret < 0)
return ret;

+ down_write(&trace_event_sem);
list_add(&call->list, &ftrace_events);
+ up_write(&trace_event_sem);
+
if (call->flags & TRACE_EVENT_FL_DYNAMIC)
atomic_set(&call->refcnt, 0);
else
@@ -3189,6 +3192,8 @@ __trace_add_event_dirs(struct trace_array *tr)
struct trace_event_call *call;
int ret;

+ lockdep_assert_held(&trace_event_sem);
+
list_for_each_entry(call, &ftrace_events, list) {
ret = __trace_add_new_event(call, tr);
if (ret < 0)
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 562994159216..ebeb6b2e1a15 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -467,6 +467,7 @@ static int vmap_pages_pte_range(pmd_t *pmd, unsigned long addr,
unsigned long end, pgprot_t prot, struct page **pages, int *nr,
pgtbl_mod_mask *mask)
{
+ int err = 0;
pte_t *pte;

/*
@@ -480,18 +481,25 @@ static int vmap_pages_pte_range(pmd_t *pmd, unsigned long addr,
do {
struct page *page = pages[*nr];

- if (WARN_ON(!pte_none(*pte)))
- return -EBUSY;
- if (WARN_ON(!page))
- return -ENOMEM;
- if (WARN_ON(!pfn_valid(page_to_pfn(page))))
- return -EINVAL;
+ if (WARN_ON(!pte_none(*pte))) {
+ err = -EBUSY;
+ break;
+ }
+ if (WARN_ON(!page)) {
+ err = -ENOMEM;
+ break;
+ }
+ if (WARN_ON(!pfn_valid(page_to_pfn(page)))) {
+ err = -EINVAL;
+ break;
+ }

set_pte_at(&init_mm, addr, pte, mk_pte(page, prot));
(*nr)++;
} while (pte++, addr += PAGE_SIZE, addr != end);
*mask |= PGTBL_PTE_MODIFIED;
- return 0;
+
+ return err;
}

static int vmap_pages_pmd_range(pud_t *pud, unsigned long addr,
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index b477ba37a699..422f726346ea 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -358,6 +358,35 @@ static int __vlan_device_event(struct net_device *dev, unsigned long event)
return err;
}

+static void vlan_vid0_add(struct net_device *dev)
+{
+ struct vlan_info *vlan_info;
+ int err;
+
+ if (!(dev->features & NETIF_F_HW_VLAN_CTAG_FILTER))
+ return;
+
+ pr_info("adding VLAN 0 to HW filter on device %s\n", dev->name);
+
+ err = vlan_vid_add(dev, htons(ETH_P_8021Q), 0);
+ if (err)
+ return;
+
+ vlan_info = rtnl_dereference(dev->vlan_info);
+ vlan_info->auto_vid0 = true;
+}
+
+static void vlan_vid0_del(struct net_device *dev)
+{
+ struct vlan_info *vlan_info = rtnl_dereference(dev->vlan_info);
+
+ if (!vlan_info || !vlan_info->auto_vid0)
+ return;
+
+ vlan_info->auto_vid0 = false;
+ vlan_vid_del(dev, htons(ETH_P_8021Q), 0);
+}
+
static int vlan_device_event(struct notifier_block *unused, unsigned long event,
void *ptr)
{
@@ -379,15 +408,10 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event,
return notifier_from_errno(err);
}

- if ((event == NETDEV_UP) &&
- (dev->features & NETIF_F_HW_VLAN_CTAG_FILTER)) {
- pr_info("adding VLAN 0 to HW filter on device %s\n",
- dev->name);
- vlan_vid_add(dev, htons(ETH_P_8021Q), 0);
- }
- if (event == NETDEV_DOWN &&
- (dev->features & NETIF_F_HW_VLAN_CTAG_FILTER))
- vlan_vid_del(dev, htons(ETH_P_8021Q), 0);
+ if (event == NETDEV_UP)
+ vlan_vid0_add(dev);
+ else if (event == NETDEV_DOWN)
+ vlan_vid0_del(dev);

vlan_info = rtnl_dereference(dev->vlan_info);
if (!vlan_info)
diff --git a/net/8021q/vlan.h b/net/8021q/vlan.h
index 5eaf38875554..c7ffe591d593 100644
--- a/net/8021q/vlan.h
+++ b/net/8021q/vlan.h
@@ -33,6 +33,7 @@ struct vlan_info {
struct vlan_group grp;
struct list_head vid_list;
unsigned int nr_vids;
+ bool auto_vid0;
struct rcu_head rcu;
};

diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 8667723d4e96..866462c97dba 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -2196,40 +2196,6 @@ static u8 hci_cc_set_adv_param(struct hci_dev *hdev, void *data,
return rp->status;
}

-static u8 hci_cc_set_ext_adv_param(struct hci_dev *hdev, void *data,
- struct sk_buff *skb)
-{
- struct hci_rp_le_set_ext_adv_params *rp = data;
- struct hci_cp_le_set_ext_adv_params *cp;
- struct adv_info *adv_instance;
-
- bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
-
- if (rp->status)
- return rp->status;
-
- cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_EXT_ADV_PARAMS);
- if (!cp)
- return rp->status;
-
- hci_dev_lock(hdev);
- hdev->adv_addr_type = cp->own_addr_type;
- if (!cp->handle) {
- /* Store in hdev for instance 0 */
- hdev->adv_tx_power = rp->tx_power;
- } else {
- adv_instance = hci_find_adv_instance(hdev, cp->handle);
- if (adv_instance)
- adv_instance->tx_power = rp->tx_power;
- }
- /* Update adv data as tx power is known now */
- hci_update_adv_data(hdev, cp->handle);
-
- hci_dev_unlock(hdev);
-
- return rp->status;
-}
-
static u8 hci_cc_read_rssi(struct hci_dev *hdev, void *data,
struct sk_buff *skb)
{
@@ -4172,8 +4138,6 @@ static const struct hci_cc {
HCI_CC(HCI_OP_LE_READ_NUM_SUPPORTED_ADV_SETS,
hci_cc_le_read_num_adv_sets,
sizeof(struct hci_rp_le_read_num_supported_adv_sets)),
- HCI_CC(HCI_OP_LE_SET_EXT_ADV_PARAMS, hci_cc_set_ext_adv_param,
- sizeof(struct hci_rp_le_set_ext_adv_params)),
HCI_CC_STATUS(HCI_OP_LE_SET_EXT_ADV_ENABLE,
hci_cc_le_set_ext_adv_enable),
HCI_CC_STATUS(HCI_OP_LE_SET_ADV_SET_RAND_ADDR,
diff --git a/net/bluetooth/hci_sync.c b/net/bluetooth/hci_sync.c
index 7d22b2b02745..3f905ee4338f 100644
--- a/net/bluetooth/hci_sync.c
+++ b/net/bluetooth/hci_sync.c
@@ -1181,9 +1181,129 @@ static int hci_set_adv_set_random_addr_sync(struct hci_dev *hdev, u8 instance,
sizeof(cp), &cp, HCI_CMD_TIMEOUT);
}

+static int
+hci_set_ext_adv_params_sync(struct hci_dev *hdev, struct adv_info *adv,
+ const struct hci_cp_le_set_ext_adv_params *cp,
+ struct hci_rp_le_set_ext_adv_params *rp)
+{
+ struct sk_buff *skb;
+
+ skb = __hci_cmd_sync(hdev, HCI_OP_LE_SET_EXT_ADV_PARAMS, sizeof(*cp),
+ cp, HCI_CMD_TIMEOUT);
+
+ /* If command return a status event, skb will be set to -ENODATA */
+ if (skb == ERR_PTR(-ENODATA))
+ return 0;
+
+ if (IS_ERR(skb)) {
+ bt_dev_err(hdev, "Opcode 0x%4.4x failed: %ld",
+ HCI_OP_LE_SET_EXT_ADV_PARAMS, PTR_ERR(skb));
+ return PTR_ERR(skb);
+ }
+
+ if (skb->len != sizeof(*rp)) {
+ bt_dev_err(hdev, "Invalid response length for 0x%4.4x: %u",
+ HCI_OP_LE_SET_EXT_ADV_PARAMS, skb->len);
+ kfree_skb(skb);
+ return -EIO;
+ }
+
+ memcpy(rp, skb->data, sizeof(*rp));
+ kfree_skb(skb);
+
+ if (!rp->status) {
+ hdev->adv_addr_type = cp->own_addr_type;
+ if (!cp->handle) {
+ /* Store in hdev for instance 0 */
+ hdev->adv_tx_power = rp->tx_power;
+ } else if (adv) {
+ adv->tx_power = rp->tx_power;
+ }
+ }
+
+ return rp->status;
+}
+
+static int hci_set_ext_adv_data_sync(struct hci_dev *hdev, u8 instance)
+{
+ struct {
+ struct hci_cp_le_set_ext_adv_data cp;
+ u8 data[HCI_MAX_EXT_AD_LENGTH];
+ } pdu;
+ u8 len;
+ struct adv_info *adv = NULL;
+ int err;
+
+ memset(&pdu, 0, sizeof(pdu));
+
+ if (instance) {
+ adv = hci_find_adv_instance(hdev, instance);
+ if (!adv || !adv->adv_data_changed)
+ return 0;
+ }
+
+ len = eir_create_adv_data(hdev, instance, pdu.data);
+
+ pdu.cp.length = len;
+ pdu.cp.handle = instance;
+ pdu.cp.operation = LE_SET_ADV_DATA_OP_COMPLETE;
+ pdu.cp.frag_pref = LE_SET_ADV_DATA_NO_FRAG;
+
+ err = __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_EXT_ADV_DATA,
+ sizeof(pdu.cp) + len, &pdu.cp,
+ HCI_CMD_TIMEOUT);
+ if (err)
+ return err;
+
+ /* Update data if the command succeed */
+ if (adv) {
+ adv->adv_data_changed = false;
+ } else {
+ memcpy(hdev->adv_data, pdu.data, len);
+ hdev->adv_data_len = len;
+ }
+
+ return 0;
+}
+
+static int hci_set_adv_data_sync(struct hci_dev *hdev, u8 instance)
+{
+ struct hci_cp_le_set_adv_data cp;
+ u8 len;
+
+ memset(&cp, 0, sizeof(cp));
+
+ len = eir_create_adv_data(hdev, instance, cp.data);
+
+ /* There's nothing to do if the data hasn't changed */
+ if (hdev->adv_data_len == len &&
+ memcmp(cp.data, hdev->adv_data, len) == 0)
+ return 0;
+
+ memcpy(hdev->adv_data, cp.data, sizeof(cp.data));
+ hdev->adv_data_len = len;
+
+ cp.length = len;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_ADV_DATA,
+ sizeof(cp), &cp, HCI_CMD_TIMEOUT);
+}
+
+int hci_update_adv_data_sync(struct hci_dev *hdev, u8 instance)
+{
+ if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
+ return 0;
+
+ if (ext_adv_capable(hdev))
+ return hci_set_ext_adv_data_sync(hdev, instance);
+
+ return hci_set_adv_data_sync(hdev, instance);
+}
+
int hci_setup_ext_adv_instance_sync(struct hci_dev *hdev, u8 instance)
{
struct hci_cp_le_set_ext_adv_params cp;
+ struct hci_rp_le_set_ext_adv_params rp;
bool connectable;
u32 flags;
bdaddr_t random_addr;
@@ -1290,8 +1410,12 @@ int hci_setup_ext_adv_instance_sync(struct hci_dev *hdev, u8 instance)
cp.secondary_phy = HCI_ADV_PHY_1M;
}

- err = __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_EXT_ADV_PARAMS,
- sizeof(cp), &cp, HCI_CMD_TIMEOUT);
+ err = hci_set_ext_adv_params_sync(hdev, adv, &cp, &rp);
+ if (err)
+ return err;
+
+ /* Update adv data as tx power is known now */
+ err = hci_set_ext_adv_data_sync(hdev, cp.handle);
if (err)
return err;

@@ -1815,82 +1939,6 @@ int hci_le_terminate_big_sync(struct hci_dev *hdev, u8 handle, u8 reason)
sizeof(cp), &cp, HCI_CMD_TIMEOUT);
}

-static int hci_set_ext_adv_data_sync(struct hci_dev *hdev, u8 instance)
-{
- struct {
- struct hci_cp_le_set_ext_adv_data cp;
- u8 data[HCI_MAX_EXT_AD_LENGTH];
- } pdu;
- u8 len;
- struct adv_info *adv = NULL;
- int err;
-
- memset(&pdu, 0, sizeof(pdu));
-
- if (instance) {
- adv = hci_find_adv_instance(hdev, instance);
- if (!adv || !adv->adv_data_changed)
- return 0;
- }
-
- len = eir_create_adv_data(hdev, instance, pdu.data);
-
- pdu.cp.length = len;
- pdu.cp.handle = instance;
- pdu.cp.operation = LE_SET_ADV_DATA_OP_COMPLETE;
- pdu.cp.frag_pref = LE_SET_ADV_DATA_NO_FRAG;
-
- err = __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_EXT_ADV_DATA,
- sizeof(pdu.cp) + len, &pdu.cp,
- HCI_CMD_TIMEOUT);
- if (err)
- return err;
-
- /* Update data if the command succeed */
- if (adv) {
- adv->adv_data_changed = false;
- } else {
- memcpy(hdev->adv_data, pdu.data, len);
- hdev->adv_data_len = len;
- }
-
- return 0;
-}
-
-static int hci_set_adv_data_sync(struct hci_dev *hdev, u8 instance)
-{
- struct hci_cp_le_set_adv_data cp;
- u8 len;
-
- memset(&cp, 0, sizeof(cp));
-
- len = eir_create_adv_data(hdev, instance, cp.data);
-
- /* There's nothing to do if the data hasn't changed */
- if (hdev->adv_data_len == len &&
- memcmp(cp.data, hdev->adv_data, len) == 0)
- return 0;
-
- memcpy(hdev->adv_data, cp.data, sizeof(cp.data));
- hdev->adv_data_len = len;
-
- cp.length = len;
-
- return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_ADV_DATA,
- sizeof(cp), &cp, HCI_CMD_TIMEOUT);
-}
-
-int hci_update_adv_data_sync(struct hci_dev *hdev, u8 instance)
-{
- if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
- return 0;
-
- if (ext_adv_capable(hdev))
- return hci_set_ext_adv_data_sync(hdev, instance);
-
- return hci_set_adv_data_sync(hdev, instance);
-}
-
int hci_schedule_adv_instance_sync(struct hci_dev *hdev, u8 instance,
bool force)
{
@@ -6127,6 +6175,7 @@ static int hci_le_ext_directed_advertising_sync(struct hci_dev *hdev,
struct hci_conn *conn)
{
struct hci_cp_le_set_ext_adv_params cp;
+ struct hci_rp_le_set_ext_adv_params rp;
int err;
bdaddr_t random_addr;
u8 own_addr_type;
@@ -6169,8 +6218,12 @@ static int hci_le_ext_directed_advertising_sync(struct hci_dev *hdev,
if (err)
return err;

- err = __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_EXT_ADV_PARAMS,
- sizeof(cp), &cp, HCI_CMD_TIMEOUT);
+ err = hci_set_ext_adv_params_sync(hdev, NULL, &cp, &rp);
+ if (err)
+ return err;
+
+ /* Update adv data as tx power is known now */
+ err = hci_set_ext_adv_data_sync(hdev, cp.handle);
if (err)
return err;

@@ -6508,8 +6561,8 @@ int hci_get_random_address(struct hci_dev *hdev, bool require_privacy,
return 0;
}

- /* No privacy so use a public address. */
- *own_addr_type = ADDR_LE_DEV_PUBLIC;
+ /* No privacy, use the current address */
+ hci_copy_identity_address(hdev, rand_addr, own_addr_type);

return 0;
}
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 514adb013f3f..8bb6d2690e2b 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -3711,12 +3711,28 @@ static int l2cap_parse_conf_req(struct l2cap_chan *chan, void *data, size_t data
/* Configure output options and let the other side know
* which ones we don't like. */

- /* If MTU is not provided in configure request, use the most recently
- * explicitly or implicitly accepted value for the other direction,
- * or the default value.
+ /* If MTU is not provided in configure request, try adjusting it
+ * to the current output MTU if it has been set
+ *
+ * Bluetooth Core 6.1, Vol 3, Part A, Section 4.5
+ *
+ * Each configuration parameter value (if any is present) in an
+ * L2CAP_CONFIGURATION_RSP packet reflects an ‘adjustment’ to a
+ * configuration parameter value that has been sent (or, in case
+ * of default values, implied) in the corresponding
+ * L2CAP_CONFIGURATION_REQ packet.
*/
- if (mtu == 0)
- mtu = chan->imtu ? chan->imtu : L2CAP_DEFAULT_MTU;
+ if (!mtu) {
+ /* Only adjust for ERTM channels as for older modes the
+ * remote stack may not be able to detect that the
+ * adjustment causing it to silently drop packets.
+ */
+ if (chan->mode == L2CAP_MODE_ERTM &&
+ chan->omtu && chan->omtu != L2CAP_DEFAULT_MTU)
+ mtu = chan->omtu;
+ else
+ mtu = L2CAP_DEFAULT_MTU;
+ }

if (mtu < L2CAP_DEFAULT_MIN_MTU)
result = L2CAP_CONF_UNACCEPT;
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index bdfc83eb7aef..c89277848ca8 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -1723,6 +1723,9 @@ static void l2cap_sock_resume_cb(struct l2cap_chan *chan)
{
struct sock *sk = chan->data;

+ if (!sk)
+ return;
+
if (test_and_clear_bit(FLAG_PENDING_SECURITY, &chan->flags)) {
sk->sk_state = BT_CONNECTED;
chan->state = BT_CONNECTED;
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index b93494790877..a03920fe44d9 100644
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -1373,7 +1373,7 @@ static void smp_timeout(struct work_struct *work)

bt_dev_dbg(conn->hcon->hdev, "conn %p", conn);

- hci_disconnect(conn->hcon, HCI_ERROR_REMOTE_USER_TERM);
+ hci_disconnect(conn->hcon, HCI_ERROR_AUTH_FAILURE);
}

static struct smp_chan *smp_chan_create(struct l2cap_conn *conn)
@@ -2971,8 +2971,25 @@ static int smp_sig_channel(struct l2cap_chan *chan, struct sk_buff *skb)
if (code > SMP_CMD_MAX)
goto drop;

- if (smp && !test_and_clear_bit(code, &smp->allow_cmd))
+ if (smp && !test_and_clear_bit(code, &smp->allow_cmd)) {
+ /* If there is a context and the command is not allowed consider
+ * it a failure so the session is cleanup properly.
+ */
+ switch (code) {
+ case SMP_CMD_IDENT_INFO:
+ case SMP_CMD_IDENT_ADDR_INFO:
+ case SMP_CMD_SIGN_INFO:
+ /* 3.6.1. Key distribution and generation
+ *
+ * A device may reject a distributed key by sending the
+ * Pairing Failed command with the reason set to
+ * "Key Rejected".
+ */
+ smp_failure(conn, SMP_KEY_REJECTED);
+ break;
+ }
goto drop;
+ }

/* If we don't have a context the only allowed commands are
* pairing request and security request.
diff --git a/net/bluetooth/smp.h b/net/bluetooth/smp.h
index 87a59ec2c9f0..c5da53dfab04 100644
--- a/net/bluetooth/smp.h
+++ b/net/bluetooth/smp.h
@@ -138,6 +138,7 @@ struct smp_cmd_keypress_notify {
#define SMP_NUMERIC_COMP_FAILED 0x0c
#define SMP_BREDR_PAIRING_IN_PROGRESS 0x0d
#define SMP_CROSS_TRANSP_NOT_ALLOWED 0x0e
+#define SMP_KEY_REJECTED 0x0f

#define SMP_MIN_ENC_KEY_SIZE 7
#define SMP_MAX_ENC_KEY_SIZE 16
diff --git a/net/bridge/br_switchdev.c b/net/bridge/br_switchdev.c
index b61ef2dff7a4..a0974374bf71 100644
--- a/net/bridge/br_switchdev.c
+++ b/net/bridge/br_switchdev.c
@@ -17,6 +17,9 @@ static bool nbp_switchdev_can_offload_tx_fwd(const struct net_bridge_port *p,
if (!static_branch_unlikely(&br_switchdev_tx_fwd_offload))
return false;

+ if (br_multicast_igmp_type(skb))
+ return false;
+
return (p->flags & BR_TX_FWD_OFFLOAD) &&
(p->hwdom != BR_INPUT_SKB_CB(skb)->src_hwdom);
}
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index a1b3f3e7921f..e9e59a83ba9b 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -803,8 +803,8 @@ static void mld_del_delrec(struct inet6_dev *idev, struct ifmcaddr6 *im)
} else {
im->mca_crcount = idev->mc_qrv;
}
- in6_dev_put(pmc->idev);
ip6_mc_clear_src(pmc);
+ in6_dev_put(pmc->idev);
kfree_rcu(pmc, rcu);
}
}
diff --git a/net/ipv6/rpl_iptunnel.c b/net/ipv6/rpl_iptunnel.c
index 862ac1e2e191..952ec785853a 100644
--- a/net/ipv6/rpl_iptunnel.c
+++ b/net/ipv6/rpl_iptunnel.c
@@ -129,13 +129,13 @@ static int rpl_do_srh_inline(struct sk_buff *skb, const struct rpl_lwt *rlwt,
struct dst_entry *cache_dst)
{
struct ipv6_rpl_sr_hdr *isrh, *csrh;
- const struct ipv6hdr *oldhdr;
+ struct ipv6hdr oldhdr;
struct ipv6hdr *hdr;
unsigned char *buf;
size_t hdrlen;
int err;

- oldhdr = ipv6_hdr(skb);
+ memcpy(&oldhdr, ipv6_hdr(skb), sizeof(oldhdr));

buf = kcalloc(struct_size(srh, segments.addr, srh->segments_left), 2, GFP_ATOMIC);
if (!buf)
@@ -147,7 +147,7 @@ static int rpl_do_srh_inline(struct sk_buff *skb, const struct rpl_lwt *rlwt,
memcpy(isrh, srh, sizeof(*isrh));
memcpy(isrh->rpl_segaddr, &srh->rpl_segaddr[1],
(srh->segments_left - 1) * 16);
- isrh->rpl_segaddr[srh->segments_left - 1] = oldhdr->daddr;
+ isrh->rpl_segaddr[srh->segments_left - 1] = oldhdr.daddr;

ipv6_rpl_srh_compress(csrh, isrh, &srh->rpl_segaddr[0],
isrh->segments_left - 1);
@@ -169,7 +169,7 @@ static int rpl_do_srh_inline(struct sk_buff *skb, const struct rpl_lwt *rlwt,
skb_mac_header_rebuild(skb);

hdr = ipv6_hdr(skb);
- memmove(hdr, oldhdr, sizeof(*hdr));
+ memmove(hdr, &oldhdr, sizeof(*hdr));
isrh = (void *)hdr + sizeof(*hdr);
memcpy(isrh, csrh, hdrlen);

diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index ec4c39641089..002d53ded404 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -1087,6 +1087,12 @@ static int nf_ct_resolve_clash_harder(struct sk_buff *skb, u32 repl_idx)

hlist_nulls_add_head_rcu(&loser_ct->tuplehash[IP_CT_DIR_REPLY].hnnode,
&nf_conntrack_hash[repl_idx]);
+ /* confirmed bit must be set after hlist add, not before:
+ * loser_ct can still be visible to other cpu due to
+ * SLAB_TYPESAFE_BY_RCU.
+ */
+ smp_mb__before_atomic();
+ set_bit(IPS_CONFIRMED_BIT, &loser_ct->status);

NF_CT_STAT_INC(net, clash_resolve);
return NF_ACCEPT;
@@ -1224,8 +1230,6 @@ __nf_conntrack_confirm(struct sk_buff *skb)
* user context, else we insert an already 'dead' hash, blocking
* further use of that particular connection -JM.
*/
- ct->status |= IPS_CONFIRMED;
-
if (unlikely(nf_ct_is_dying(ct))) {
NF_CT_STAT_INC(net, insert_failed);
goto dying;
@@ -1257,7 +1261,7 @@ __nf_conntrack_confirm(struct sk_buff *skb)
}
}

- /* Timer relative to confirmation time, not original
+ /* Timeout is relative to confirmation time, not original
setting time, otherwise we'd get timer wrap in
weird delay cases. */
ct->timeout += nfct_time_stamp;
@@ -1265,11 +1269,21 @@ __nf_conntrack_confirm(struct sk_buff *skb)
__nf_conntrack_insert_prepare(ct);

/* Since the lookup is lockless, hash insertion must be done after
- * starting the timer and setting the CONFIRMED bit. The RCU barriers
- * guarantee that no other CPU can find the conntrack before the above
- * stores are visible.
+ * setting ct->timeout. The RCU barriers guarantee that no other CPU
+ * can find the conntrack before the above stores are visible.
*/
__nf_conntrack_hash_insert(ct, hash, reply_hash);
+
+ /* IPS_CONFIRMED unset means 'ct not (yet) in hash', conntrack lookups
+ * skip entries that lack this bit. This happens when a CPU is looking
+ * at a stale entry that is being recycled due to SLAB_TYPESAFE_BY_RCU
+ * or when another CPU encounters this entry right after the insertion
+ * but before the set-confirm-bit below. This bit must not be set until
+ * after __nf_conntrack_hash_insert().
+ */
+ smp_mb__before_atomic();
+ set_bit(IPS_CONFIRMED_BIT, &ct->status);
+
nf_conntrack_double_unlock(hash, reply_hash);
local_bh_enable();

diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index f3bd3e126703..4753a796cf4c 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -2780,7 +2780,7 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg)
int len_sum = 0;
int status = TP_STATUS_AVAILABLE;
int hlen, tlen, copylen = 0;
- long timeo = 0;
+ long timeo;

mutex_lock(&po->pg_vec_lock);

@@ -2834,22 +2834,28 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg)
if ((size_max > dev->mtu + reserve + VLAN_HLEN) && !po->has_vnet_hdr)
size_max = dev->mtu + reserve + VLAN_HLEN;

+ timeo = sock_sndtimeo(&po->sk, msg->msg_flags & MSG_DONTWAIT);
reinit_completion(&po->skb_completion);

do {
ph = packet_current_frame(po, &po->tx_ring,
TP_STATUS_SEND_REQUEST);
if (unlikely(ph == NULL)) {
- if (need_wait && skb) {
- timeo = sock_sndtimeo(&po->sk, msg->msg_flags & MSG_DONTWAIT);
+ /* Note: packet_read_pending() might be slow if we
+ * have to call it as it's per_cpu variable, but in
+ * fast-path we don't have to call it, only when ph
+ * is NULL, we need to check the pending_refcnt.
+ */
+ if (need_wait && packet_read_pending(&po->tx_ring)) {
timeo = wait_for_completion_interruptible_timeout(&po->skb_completion, timeo);
if (timeo <= 0) {
err = !timeo ? -ETIMEDOUT : -ERESTARTSYS;
goto out_put;
}
- }
- /* check for additional frames */
- continue;
+ /* check for additional frames */
+ continue;
+ } else
+ break;
}

skb = NULL;
@@ -2939,14 +2945,7 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg)
}
packet_increment_head(&po->tx_ring);
len_sum += tp_len;
- } while (likely((ph != NULL) ||
- /* Note: packet_read_pending() might be slow if we have
- * to call it as it's per_cpu variable, but in fast-path
- * we already short-circuit the loop with the first
- * condition, and luckily don't have to go that path
- * anyway.
- */
- (need_wait && packet_read_pending(&po->tx_ring))));
+ } while (1);

err = len_sum;
goto out_put;
diff --git a/net/phonet/pep.c b/net/phonet/pep.c
index 607f54c23647..240f4c385234 100644
--- a/net/phonet/pep.c
+++ b/net/phonet/pep.c
@@ -826,6 +826,7 @@ static struct sock *pep_sock_accept(struct sock *sk, int flags, int *errp,
}

/* Check for duplicate pipe handle */
+ pn_skb_get_dst_sockaddr(skb, &dst);
newsk = pep_find_pipe(&pn->hlist, &dst, pipe_handle);
if (unlikely(newsk)) {
__sock_put(newsk);
@@ -850,7 +851,6 @@ static struct sock *pep_sock_accept(struct sock *sk, int flags, int *errp,
newsk->sk_destruct = pipe_destruct;

newpn = pep_sk(newsk);
- pn_skb_get_dst_sockaddr(skb, &dst);
pn_skb_get_src_sockaddr(skb, &src);
newpn->pn_sk.sobject = pn_sockaddr_get_object(&dst);
newpn->pn_sk.dobject = pn_sockaddr_get_object(&src);
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index 29f394fe3998..1e19d3ffbf21 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -818,7 +818,9 @@ static struct htb_class *htb_lookup_leaf(struct htb_prio *hprio, const int prio)
u32 *pid;
} stk[TC_HTB_MAXDEPTH], *sp = stk;

- BUG_ON(!hprio->row.rb_node);
+ if (unlikely(!hprio->row.rb_node))
+ return NULL;
+
sp->root = hprio->row.rb_node;
sp->pptr = &hprio->ptr;
sp->pid = &hprio->last_ptr_id;
diff --git a/net/sched/sch_qfq.c b/net/sched/sch_qfq.c
index 6462468bf77c..f2692c9173f7 100644
--- a/net/sched/sch_qfq.c
+++ b/net/sched/sch_qfq.c
@@ -414,7 +414,7 @@ static int qfq_change_class(struct Qdisc *sch, u32 classid, u32 parentid,
bool existing = false;
struct nlattr *tb[TCA_QFQ_MAX + 1];
struct qfq_aggregate *new_agg = NULL;
- u32 weight, lmax, inv_w;
+ u32 weight, lmax, inv_w, old_weight, old_lmax;
int err;
int delta_w;

@@ -448,12 +448,16 @@ static int qfq_change_class(struct Qdisc *sch, u32 classid, u32 parentid,
inv_w = ONE_FP / weight;
weight = ONE_FP / inv_w;

- if (cl != NULL &&
- lmax == cl->agg->lmax &&
- weight == cl->agg->class_weight)
- return 0; /* nothing to change */
+ if (cl != NULL) {
+ sch_tree_lock(sch);
+ old_weight = cl->agg->class_weight;
+ old_lmax = cl->agg->lmax;
+ sch_tree_unlock(sch);
+ if (lmax == old_lmax && weight == old_weight)
+ return 0; /* nothing to change */
+ }

- delta_w = weight - (cl ? cl->agg->class_weight : 0);
+ delta_w = weight - (cl ? old_weight : 0);

if (q->wsum + delta_w > QFQ_MAX_WSUM) {
pr_notice("qfq: total weight out of range (%d + %u)\n",
@@ -557,10 +561,10 @@ static int qfq_delete_class(struct Qdisc *sch, unsigned long arg,

qdisc_purge_queue(cl->qdisc);
qdisc_class_hash_remove(&q->clhash, &cl->common);
+ qfq_destroy_class(sch, cl);

sch_tree_unlock(sch);

- qfq_destroy_class(sch, cl);
return 0;
}

@@ -627,6 +631,7 @@ static int qfq_dump_class(struct Qdisc *sch, unsigned long arg,
{
struct qfq_class *cl = (struct qfq_class *)arg;
struct nlattr *nest;
+ u32 class_weight, lmax;

tcm->tcm_parent = TC_H_ROOT;
tcm->tcm_handle = cl->common.classid;
@@ -635,8 +640,13 @@ static int qfq_dump_class(struct Qdisc *sch, unsigned long arg,
nest = nla_nest_start_noflag(skb, TCA_OPTIONS);
if (nest == NULL)
goto nla_put_failure;
- if (nla_put_u32(skb, TCA_QFQ_WEIGHT, cl->agg->class_weight) ||
- nla_put_u32(skb, TCA_QFQ_LMAX, cl->agg->lmax))
+
+ sch_tree_lock(sch);
+ class_weight = cl->agg->class_weight;
+ lmax = cl->agg->lmax;
+ sch_tree_unlock(sch);
+ if (nla_put_u32(skb, TCA_QFQ_WEIGHT, class_weight) ||
+ nla_put_u32(skb, TCA_QFQ_LMAX, lmax))
goto nla_put_failure;
return nla_nest_end(skb, nest);

@@ -653,8 +663,10 @@ static int qfq_dump_class_stats(struct Qdisc *sch, unsigned long arg,

memset(&xstats, 0, sizeof(xstats));

+ sch_tree_lock(sch);
xstats.weight = cl->agg->class_weight;
xstats.lmax = cl->agg->lmax;
+ sch_tree_unlock(sch);

if (gnet_stats_copy_basic(d, NULL, &cl->bstats, true) < 0 ||
gnet_stats_copy_rate_est(d, &cl->rate_est) < 0 ||
diff --git a/net/tls/tls_strp.c b/net/tls/tls_strp.c
index 44d7f1aef9f1..b7ed76c0e576 100644
--- a/net/tls/tls_strp.c
+++ b/net/tls/tls_strp.c
@@ -512,9 +512,8 @@ static int tls_strp_read_sock(struct tls_strparser *strp)
if (inq < strp->stm.full_len)
return tls_strp_read_copy(strp, true);

+ tls_strp_load_anchor_with_queue(strp, inq);
if (!strp->stm.full_len) {
- tls_strp_load_anchor_with_queue(strp, inq);
-
sz = tls_rx_msg_size(strp, strp->anchor);
if (sz < 0) {
tls_strp_abort_strp(strp, sz);
diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c
index 4b155e49cbfc..27ad825c78f2 100644
--- a/sound/soc/fsl/fsl_sai.c
+++ b/sound/soc/fsl/fsl_sai.c
@@ -762,13 +762,15 @@ static void fsl_sai_config_disable(struct fsl_sai *sai, int dir)
* anymore. Add software reset to fix this issue.
* This is a hardware bug, and will be fix in the
* next sai version.
+ *
+ * In consumer mode, this can happen even after a
+ * single open/close, especially if both tx and rx
+ * are running concurrently.
*/
- if (!sai->is_consumer_mode) {
- /* Software Reset */
- regmap_write(sai->regmap, FSL_SAI_xCSR(tx, ofs), FSL_SAI_CSR_SR);
- /* Clear SR bit to finish the reset */
- regmap_write(sai->regmap, FSL_SAI_xCSR(tx, ofs), 0);
- }
+ /* Software Reset */
+ regmap_write(sai->regmap, FSL_SAI_xCSR(tx, ofs), FSL_SAI_CSR_SR);
+ /* Clear SR bit to finish the reset */
+ regmap_write(sai->regmap, FSL_SAI_xCSR(tx, ofs), 0);
}

static int fsl_sai_trigger(struct snd_pcm_substream *substream, int cmd,
diff --git a/tools/testing/selftests/net/udpgro.sh b/tools/testing/selftests/net/udpgro.sh
index 241c6c37994d..f6e50824c5eb 100755
--- a/tools/testing/selftests/net/udpgro.sh
+++ b/tools/testing/selftests/net/udpgro.sh
@@ -50,7 +50,7 @@ run_one() {

cfg_veth

- ip netns exec "${PEER_NS}" ./udpgso_bench_rx -C 1000 -R 10 ${rx_args} &
+ ip netns exec "${PEER_NS}" ./udpgso_bench_rx -C 1000 -R 100 ${rx_args} &
local PID1=$!

wait_local_port_listen ${PEER_NS} 8000 udp
@@ -97,7 +97,7 @@ run_one_nat() {
# will land on the 'plain' one
ip netns exec "${PEER_NS}" ./udpgso_bench_rx -G ${family} -b ${addr1} -n 0 &
local PID1=$!
- ip netns exec "${PEER_NS}" ./udpgso_bench_rx -C 1000 -R 10 ${family} -b ${addr2%/*} ${rx_args} &
+ ip netns exec "${PEER_NS}" ./udpgso_bench_rx -C 1000 -R 100 ${family} -b ${addr2%/*} ${rx_args} &
local PID2=$!

wait_local_port_listen "${PEER_NS}" 8000 udp
@@ -119,9 +119,9 @@ run_one_2sock() {

cfg_veth

- ip netns exec "${PEER_NS}" ./udpgso_bench_rx -C 1000 -R 10 ${rx_args} -p 12345 &
+ ip netns exec "${PEER_NS}" ./udpgso_bench_rx -C 1000 -R 100 ${rx_args} -p 12345 &
local PID1=$!
- ip netns exec "${PEER_NS}" ./udpgso_bench_rx -C 2000 -R 10 ${rx_args} &
+ ip netns exec "${PEER_NS}" ./udpgso_bench_rx -C 2000 -R 100 ${rx_args} &
local PID2=$!

wait_local_port_listen "${PEER_NS}" 12345 udp