diff --git a/Makefile b/Makefile
index 960147052d12..1c30e9310128 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 4
-SUBLEVEL = 279
+SUBLEVEL = 280
EXTRAVERSION =
NAME = Kleptomaniac Octopus
diff --git a/arch/arm/mach-davinci/pm.c b/arch/arm/mach-davinci/pm.c
index e33c6bcb4598..bae0a2e07d86 100644
--- a/arch/arm/mach-davinci/pm.c
+++ b/arch/arm/mach-davinci/pm.c
@@ -62,7 +62,7 @@ static void davinci_pm_suspend(void)
/* Configure sleep count in deep sleep register */
val = __raw_readl(pm_config.deepsleep_reg);
- val &= ~DEEPSLEEP_SLEEPCOUNT_MASK,
+ val &= ~DEEPSLEEP_SLEEPCOUNT_MASK;
val |= pm_config.sleepcount;
__raw_writel(val, pm_config.deepsleep_reg);
diff --git a/arch/powerpc/include/asm/io.h b/arch/powerpc/include/asm/io.h
index e86516ff8f4b..f5c9504f6071 100644
--- a/arch/powerpc/include/asm/io.h
+++ b/arch/powerpc/include/asm/io.h
@@ -46,7 +46,7 @@ extern struct pci_dev *isa_bridge_pcidev;
* define properly based on the platform
*/
#ifndef CONFIG_PCI
-#define _IO_BASE 0
+#define _IO_BASE POISON_POINTER_DELTA
#define _ISA_MEM_BASE 0
#define PCI_DRAM_OFFSET 0
#elif defined(CONFIG_PPC32)
diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c
index 6d130c89fbd8..5991fd06b652 100644
--- a/arch/powerpc/xmon/xmon.c
+++ b/arch/powerpc/xmon/xmon.c
@@ -1214,7 +1214,7 @@ static int cpu_cmd(void)
unsigned long cpu, first_cpu, last_cpu;
int timeout;
- if (!scanhex(&cpu)) {
+ if (!scanhex(&cpu) || cpu >= num_possible_cpus()) {
/* print cpus waiting or in xmon */
printf("cpus stopped:");
last_cpu = first_cpu = NR_CPUS;
@@ -2571,7 +2571,7 @@ static void dump_pacas(void)
termch = c; /* Put c back, it wasn't 'a' */
- if (scanhex(&num))
+ if (scanhex(&num) && num < num_possible_cpus())
dump_one_paca(num);
else
dump_one_paca(xmon_owner);
@@ -2668,7 +2668,7 @@ static void dump_xives(void)
termch = c; /* Put c back, it wasn't 'a' */
- if (scanhex(&num))
+ if (scanhex(&num) && num < num_possible_cpus())
dump_one_xive(num);
else
dump_one_xive(xmon_owner);
diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
index 48d6ccdef5f7..00bb2d287f74 100644
--- a/arch/s390/include/asm/processor.h
+++ b/arch/s390/include/asm/processor.h
@@ -256,8 +256,8 @@ static inline void __load_psw(psw_t psw)
*/
static __always_inline void __load_psw_mask(unsigned long mask)
{
+ psw_t psw __uninitialized;
unsigned long addr;
- psw_t psw;
psw.mask = mask;
diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index d390ab5e51d3..960f53b70f18 100644
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -304,8 +304,13 @@ hpet_read(struct file *file, char __user *buf, size_t count, loff_t * ppos)
if (!devp->hd_ireqfreq)
return -EIO;
- if (count < sizeof(unsigned long))
- return -EINVAL;
+ if (in_compat_syscall()) {
+ if (count < sizeof(compat_ulong_t))
+ return -EINVAL;
+ } else {
+ if (count < sizeof(unsigned long))
+ return -EINVAL;
+ }
add_wait_queue(&devp->hd_waitqueue, &wait);
@@ -329,9 +334,16 @@ hpet_read(struct file *file, char __user *buf, size_t count, loff_t * ppos)
schedule();
}
- retval = put_user(data, (unsigned long __user *)buf);
- if (!retval)
- retval = sizeof(unsigned long);
+ if (in_compat_syscall()) {
+ retval = put_user(data, (compat_ulong_t __user *)buf);
+ if (!retval)
+ retval = sizeof(compat_ulong_t);
+ } else {
+ retval = put_user(data, (unsigned long __user *)buf);
+ if (!retval)
+ retval = sizeof(unsigned long);
+ }
+
out:
__set_current_state(TASK_RUNNING);
remove_wait_queue(&devp->hd_waitqueue, &wait);
@@ -686,12 +698,24 @@ struct compat_hpet_info {
unsigned short hi_timer;
};
+/* 32-bit types would lead to different command codes which should be
+ * translated into 64-bit ones before passed to hpet_ioctl_common
+ */
+#define COMPAT_HPET_INFO _IOR('h', 0x03, struct compat_hpet_info)
+#define COMPAT_HPET_IRQFREQ _IOW('h', 0x6, compat_ulong_t)
+
static long
hpet_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
struct hpet_info info;
int err;
+ if (cmd == COMPAT_HPET_INFO)
+ cmd = HPET_INFO;
+
+ if (cmd == COMPAT_HPET_IRQFREQ)
+ cmd = HPET_IRQFREQ;
+
mutex_lock(&hpet_mutex);
err = hpet_ioctl_common(file->private_data, cmd, arg, &info);
mutex_unlock(&hpet_mutex);
diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c
index 1e21fc3e9851..537c104652f7 100644
--- a/drivers/firmware/dmi_scan.c
+++ b/drivers/firmware/dmi_scan.c
@@ -96,6 +96,17 @@ static void dmi_decode_table(u8 *buf,
(data - buf + sizeof(struct dmi_header)) <= dmi_len) {
const struct dmi_header *dm = (const struct dmi_header *)data;
+ /*
+ * If a short entry is found (less than 4 bytes), not only it
+ * is invalid, but we cannot reliably locate the next entry.
+ */
+ if (dm->length < sizeof(struct dmi_header)) {
+ pr_warn(FW_BUG
+ "Corrupted DMI table, offset %zd (only %d entries processed)\n",
+ data - buf, i);
+ break;
+ }
+
/*
* We want to know the total length (formatted area and
* strings) before decoding to make sure we won't run off the
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
index 76429932035e..a803e6a4e347 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
@@ -384,6 +384,14 @@ void amdgpu_irq_dispatch(struct amdgpu_device *adev,
int r;
entry.iv_entry = (const uint32_t *)&ih->ring[ring_index];
+
+ /*
+ * timestamp is not supported on some legacy SOCs (cik, cz, iceland,
+ * si and tonga), so initialize timestamp and timestamp_src to 0
+ */
+ entry.timestamp = 0;
+ entry.timestamp_src = 0;
+
amdgpu_ih_decode_iv(adev, &entry);
trace_amdgpu_iv(ih - &adev->irq.ih, &entry);
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
index cdcd5051dd66..2f56684780eb 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -1646,6 +1646,9 @@ static struct audio *find_first_free_audio(
{
int i, available_audio_count;
+ if (id == ENGINE_ID_UNKNOWN)
+ return NULL;
+
available_audio_count = pool->audio_count;
for (i = 0; i < available_audio_count; i++) {
diff --git a/drivers/gpu/drm/amd/include/atomfirmware.h b/drivers/gpu/drm/amd/include/atomfirmware.h
index e88541d67aa0..abfa262d32b7 100644
--- a/drivers/gpu/drm/amd/include/atomfirmware.h
+++ b/drivers/gpu/drm/amd/include/atomfirmware.h
@@ -653,7 +653,7 @@ struct atom_gpio_pin_lut_v2_1
{
struct atom_common_table_header table_header;
/*the real number of this included in the structure is calcualted by using the (whole structure size - the header size)/size of atom_gpio_pin_lut */
- struct atom_gpio_pin_assignment gpio_pin[8];
+ struct atom_gpio_pin_assignment gpio_pin[];
};
diff --git a/drivers/gpu/drm/lima/lima_gp.c b/drivers/gpu/drm/lima/lima_gp.c
index ccf49faedebf..3fca560087c9 100644
--- a/drivers/gpu/drm/lima/lima_gp.c
+++ b/drivers/gpu/drm/lima/lima_gp.c
@@ -244,7 +244,9 @@ int lima_gp_init(struct lima_ip *ip)
void lima_gp_fini(struct lima_ip *ip)
{
+ struct lima_device *dev = ip->dev;
+ devm_free_irq(dev->dev, ip->irq, ip);
}
int lima_gp_pipe_init(struct lima_device *dev)
diff --git a/drivers/gpu/drm/lima/lima_mmu.c b/drivers/gpu/drm/lima/lima_mmu.c
index 8e1651d6a61f..04e6090cce59 100644
--- a/drivers/gpu/drm/lima/lima_mmu.c
+++ b/drivers/gpu/drm/lima/lima_mmu.c
@@ -97,7 +97,12 @@ int lima_mmu_init(struct lima_ip *ip)
void lima_mmu_fini(struct lima_ip *ip)
{
+ struct lima_device *dev = ip->dev;
+
+ if (ip->id == lima_ip_ppmmu_bcast)
+ return;
+ devm_free_irq(dev->dev, ip->irq, ip);
}
void lima_mmu_switch_vm(struct lima_ip *ip, struct lima_vm *vm)
diff --git a/drivers/gpu/drm/lima/lima_pp.c b/drivers/gpu/drm/lima/lima_pp.c
index 8fef224b93c8..1dacca8bffe1 100644
--- a/drivers/gpu/drm/lima/lima_pp.c
+++ b/drivers/gpu/drm/lima/lima_pp.c
@@ -251,7 +251,9 @@ int lima_pp_init(struct lima_ip *ip)
void lima_pp_fini(struct lima_ip *ip)
{
+ struct lima_device *dev = ip->dev;
+ devm_free_irq(dev->dev, ip->irq, ip);
}
int lima_pp_bcast_init(struct lima_ip *ip)
@@ -272,7 +274,9 @@ int lima_pp_bcast_init(struct lima_ip *ip)
void lima_pp_bcast_fini(struct lima_ip *ip)
{
+ struct lima_device *dev = ip->dev;
+ devm_free_irq(dev->dev, ip->irq, ip);
}
static int lima_pp_task_validate(struct lima_sched_pipe *pipe,
diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c
index 4e28e89b51dc..c49303ba30c8 100644
--- a/drivers/gpu/drm/nouveau/nouveau_connector.c
+++ b/drivers/gpu/drm/nouveau/nouveau_connector.c
@@ -968,6 +968,9 @@ nouveau_connector_get_modes(struct drm_connector *connector)
struct drm_display_mode *mode;
mode = drm_mode_duplicate(dev, nv_connector->native_mode);
+ if (!mode)
+ return 0;
+
drm_mode_probed_add(connector, mode);
ret = 1;
}
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index 18489940a947..2c077ffcee60 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -1057,7 +1057,7 @@ static const struct pci_device_id i801_ids[] = {
MODULE_DEVICE_TABLE(pci, i801_ids);
#if defined CONFIG_X86 && defined CONFIG_DMI
-static unsigned char apanel_addr;
+static unsigned char apanel_addr __ro_after_init;
/* Scan the system ROM for the signature "FJKEYINF" */
static __init const void __iomem *bios_signature(const void __iomem *bios)
diff --git a/drivers/i2c/busses/i2c-pnx.c b/drivers/i2c/busses/i2c-pnx.c
index 6e0e546ef83f..4d09665a72e5 100644
--- a/drivers/i2c/busses/i2c-pnx.c
+++ b/drivers/i2c/busses/i2c-pnx.c
@@ -15,7 +15,6 @@
#include <linux/ioport.h>
#include <linux/delay.h>
#include <linux/i2c.h>
-#include <linux/timer.h>
#include <linux/completion.h>
#include <linux/platform_device.h>
#include <linux/io.h>
@@ -32,7 +31,6 @@ struct i2c_pnx_mif {
int ret; /* Return value */
int mode; /* Interface mode */
struct completion complete; /* I/O completion */
- struct timer_list timer; /* Timeout */
u8 * buf; /* Data buffer */
int len; /* Length of data buffer */
int order; /* RX Bytes to order via TX */
@@ -117,24 +115,6 @@ static inline int wait_reset(struct i2c_pnx_algo_data *data)
return (timeout <= 0);
}
-static inline void i2c_pnx_arm_timer(struct i2c_pnx_algo_data *alg_data)
-{
- struct timer_list *timer = &alg_data->mif.timer;
- unsigned long expires = msecs_to_jiffies(alg_data->timeout);
-
- if (expires <= 1)
- expires = 2;
-
- del_timer_sync(timer);
-
- dev_dbg(&alg_data->adapter.dev, "Timer armed at %lu plus %lu jiffies.\n",
- jiffies, expires);
-
- timer->expires = jiffies + expires;
-
- add_timer(timer);
-}
-
/**
* i2c_pnx_start - start a device
* @slave_addr: slave address
@@ -259,8 +239,6 @@ static int i2c_pnx_master_xmit(struct i2c_pnx_algo_data *alg_data)
~(mcntrl_afie | mcntrl_naie | mcntrl_drmie),
I2C_REG_CTL(alg_data));
- del_timer_sync(&alg_data->mif.timer);
-
dev_dbg(&alg_data->adapter.dev,
"%s(): Waking up xfer routine.\n",
__func__);
@@ -276,8 +254,6 @@ static int i2c_pnx_master_xmit(struct i2c_pnx_algo_data *alg_data)
~(mcntrl_afie | mcntrl_naie | mcntrl_drmie),
I2C_REG_CTL(alg_data));
- /* Stop timer. */
- del_timer_sync(&alg_data->mif.timer);
dev_dbg(&alg_data->adapter.dev,
"%s(): Waking up xfer routine after zero-xfer.\n",
__func__);
@@ -364,8 +340,6 @@ static int i2c_pnx_master_rcv(struct i2c_pnx_algo_data *alg_data)
mcntrl_drmie | mcntrl_daie);
iowrite32(ctl, I2C_REG_CTL(alg_data));
- /* Kill timer. */
- del_timer_sync(&alg_data->mif.timer);
complete(&alg_data->mif.complete);
}
}
@@ -400,8 +374,6 @@ static irqreturn_t i2c_pnx_interrupt(int irq, void *dev_id)
mcntrl_drmie);
iowrite32(ctl, I2C_REG_CTL(alg_data));
- /* Stop timer, to prevent timeout. */
- del_timer_sync(&alg_data->mif.timer);
complete(&alg_data->mif.complete);
} else if (stat & mstatus_nai) {
/* Slave did not acknowledge, generate a STOP */
@@ -419,8 +391,6 @@ static irqreturn_t i2c_pnx_interrupt(int irq, void *dev_id)
/* Our return value. */
alg_data->mif.ret = -EIO;
- /* Stop timer, to prevent timeout. */
- del_timer_sync(&alg_data->mif.timer);
complete(&alg_data->mif.complete);
} else {
/*
@@ -453,9 +423,8 @@ static irqreturn_t i2c_pnx_interrupt(int irq, void *dev_id)
return IRQ_HANDLED;
}
-static void i2c_pnx_timeout(struct timer_list *t)
+static void i2c_pnx_timeout(struct i2c_pnx_algo_data *alg_data)
{
- struct i2c_pnx_algo_data *alg_data = from_timer(alg_data, t, mif.timer);
u32 ctl;
dev_err(&alg_data->adapter.dev,
@@ -472,7 +441,6 @@ static void i2c_pnx_timeout(struct timer_list *t)
iowrite32(ctl, I2C_REG_CTL(alg_data));
wait_reset(alg_data);
alg_data->mif.ret = -EIO;
- complete(&alg_data->mif.complete);
}
static inline void bus_reset_if_active(struct i2c_pnx_algo_data *alg_data)
@@ -514,6 +482,7 @@ i2c_pnx_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num)
struct i2c_msg *pmsg;
int rc = 0, completed = 0, i;
struct i2c_pnx_algo_data *alg_data = adap->algo_data;
+ unsigned long time_left;
u32 stat;
dev_dbg(&alg_data->adapter.dev,
@@ -548,7 +517,6 @@ i2c_pnx_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num)
dev_dbg(&alg_data->adapter.dev, "%s(): mode %d, %d bytes\n",
__func__, alg_data->mif.mode, alg_data->mif.len);
- i2c_pnx_arm_timer(alg_data);
/* initialize the completion var */
init_completion(&alg_data->mif.complete);
@@ -564,7 +532,10 @@ i2c_pnx_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num)
break;
/* Wait for completion */
- wait_for_completion(&alg_data->mif.complete);
+ time_left = wait_for_completion_timeout(&alg_data->mif.complete,
+ alg_data->timeout);
+ if (time_left == 0)
+ i2c_pnx_timeout(alg_data);
if (!(rc = alg_data->mif.ret))
completed++;
@@ -657,7 +628,10 @@ static int i2c_pnx_probe(struct platform_device *pdev)
alg_data->adapter.algo_data = alg_data;
alg_data->adapter.nr = pdev->id;
- alg_data->timeout = I2C_PNX_TIMEOUT_DEFAULT;
+ alg_data->timeout = msecs_to_jiffies(I2C_PNX_TIMEOUT_DEFAULT);
+ if (alg_data->timeout <= 1)
+ alg_data->timeout = 2;
+
#ifdef CONFIG_OF
alg_data->adapter.dev.of_node = of_node_get(pdev->dev.of_node);
if (pdev->dev.of_node) {
@@ -677,8 +651,6 @@ static int i2c_pnx_probe(struct platform_device *pdev)
if (IS_ERR(alg_data->clk))
return PTR_ERR(alg_data->clk);
- timer_setup(&alg_data->mif.timer, i2c_pnx_timeout, 0);
-
snprintf(alg_data->adapter.name, sizeof(alg_data->adapter.name),
"%s", pdev->name);
diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c
index d0c4b3019e41..1327f29f1e93 100644
--- a/drivers/i2c/busses/i2c-rcar.c
+++ b/drivers/i2c/busses/i2c-rcar.c
@@ -218,6 +218,14 @@ static void rcar_i2c_init(struct rcar_i2c_priv *priv)
}
+static void rcar_i2c_reset_slave(struct rcar_i2c_priv *priv)
+{
+ rcar_i2c_write(priv, ICSIER, 0);
+ rcar_i2c_write(priv, ICSSR, 0);
+ rcar_i2c_write(priv, ICSCR, SDBS);
+ rcar_i2c_write(priv, ICSAR, 0); /* Gen2: must be 0 if not using slave */
+}
+
static int rcar_i2c_bus_barrier(struct rcar_i2c_priv *priv)
{
int i;
@@ -863,11 +871,8 @@ static int rcar_unreg_slave(struct i2c_client *slave)
/* ensure no irq is running before clearing ptr */
disable_irq(priv->irq);
- rcar_i2c_write(priv, ICSIER, 0);
- rcar_i2c_write(priv, ICSSR, 0);
+ rcar_i2c_reset_slave(priv);
enable_irq(priv->irq);
- rcar_i2c_write(priv, ICSCR, SDBS);
- rcar_i2c_write(priv, ICSAR, 0); /* Gen2: must be 0 if not using slave */
priv->slave = NULL;
@@ -973,7 +978,9 @@ static int rcar_i2c_probe(struct platform_device *pdev)
if (ret < 0)
goto out_pm_put;
- rcar_i2c_write(priv, ICSAR, 0); /* Gen2: must be 0 if not using slave */
+ /* Bring hardware to known state */
+ rcar_i2c_init(priv);
+ rcar_i2c_reset_slave(priv);
if (priv->devtype == I2C_RCAR_GEN3) {
priv->rstc = devm_reset_control_get_exclusive(&pdev->dev, NULL);
diff --git a/drivers/infiniband/core/user_mad.c b/drivers/infiniband/core/user_mad.c
index 390123f87658..51ce5b7be071 100644
--- a/drivers/infiniband/core/user_mad.c
+++ b/drivers/infiniband/core/user_mad.c
@@ -63,6 +63,8 @@ MODULE_AUTHOR("Roland Dreier");
MODULE_DESCRIPTION("InfiniBand userspace MAD packet access");
MODULE_LICENSE("Dual BSD/GPL");
+#define MAX_UMAD_RECV_LIST_SIZE 200000
+
enum {
IB_UMAD_MAX_PORTS = RDMA_MAX_PORTS,
IB_UMAD_MAX_AGENTS = 32,
@@ -113,6 +115,7 @@ struct ib_umad_file {
struct mutex mutex;
struct ib_umad_port *port;
struct list_head recv_list;
+ atomic_t recv_list_size;
struct list_head send_list;
struct list_head port_list;
spinlock_t send_lock;
@@ -180,24 +183,28 @@ static struct ib_mad_agent *__get_agent(struct ib_umad_file *file, int id)
return file->agents_dead ? NULL : file->agent[id];
}
-static int queue_packet(struct ib_umad_file *file,
- struct ib_mad_agent *agent,
- struct ib_umad_packet *packet)
+static int queue_packet(struct ib_umad_file *file, struct ib_mad_agent *agent,
+ struct ib_umad_packet *packet, bool is_recv_mad)
{
int ret = 1;
mutex_lock(&file->mutex);
+ if (is_recv_mad &&
+ atomic_read(&file->recv_list_size) > MAX_UMAD_RECV_LIST_SIZE)
+ goto unlock;
+
for (packet->mad.hdr.id = 0;
packet->mad.hdr.id < IB_UMAD_MAX_AGENTS;
packet->mad.hdr.id++)
if (agent == __get_agent(file, packet->mad.hdr.id)) {
list_add_tail(&packet->list, &file->recv_list);
+ atomic_inc(&file->recv_list_size);
wake_up_interruptible(&file->recv_wait);
ret = 0;
break;
}
-
+unlock:
mutex_unlock(&file->mutex);
return ret;
@@ -224,7 +231,7 @@ static void send_handler(struct ib_mad_agent *agent,
if (send_wc->status == IB_WC_RESP_TIMEOUT_ERR) {
packet->length = IB_MGMT_MAD_HDR;
packet->mad.hdr.status = ETIMEDOUT;
- if (!queue_packet(file, agent, packet))
+ if (!queue_packet(file, agent, packet, false))
return;
}
kfree(packet);
@@ -284,7 +291,7 @@ static void recv_handler(struct ib_mad_agent *agent,
rdma_destroy_ah_attr(&ah_attr);
}
- if (queue_packet(file, agent, packet))
+ if (queue_packet(file, agent, packet, true))
goto err2;
return;
@@ -409,6 +416,7 @@ static ssize_t ib_umad_read(struct file *filp, char __user *buf,
packet = list_entry(file->recv_list.next, struct ib_umad_packet, list);
list_del(&packet->list);
+ atomic_dec(&file->recv_list_size);
mutex_unlock(&file->mutex);
@@ -421,6 +429,7 @@ static ssize_t ib_umad_read(struct file *filp, char __user *buf,
/* Requeue packet */
mutex_lock(&file->mutex);
list_add(&packet->list, &file->recv_list);
+ atomic_inc(&file->recv_list_size);
mutex_unlock(&file->mutex);
} else {
if (packet->recv_wc)
diff --git a/drivers/input/ff-core.c b/drivers/input/ff-core.c
index 1cf5deda06e1..a765e185c7a1 100644
--- a/drivers/input/ff-core.c
+++ b/drivers/input/ff-core.c
@@ -12,8 +12,10 @@
/* #define DEBUG */
#include <linux/input.h>
+#include <linux/limits.h>
#include <linux/module.h>
#include <linux/mutex.h>
+#include <linux/overflow.h>
#include <linux/sched.h>
#include <linux/slab.h>
@@ -318,9 +320,8 @@ int input_ff_create(struct input_dev *dev, unsigned int max_effects)
return -EINVAL;
}
- ff_dev_size = sizeof(struct ff_device) +
- max_effects * sizeof(struct file *);
- if (ff_dev_size < max_effects) /* overflow */
+ ff_dev_size = struct_size(ff, effect_owners, max_effects);
+ if (ff_dev_size == SIZE_MAX) /* overflow */
return -EINVAL;
ff = kzalloc(ff_dev_size, GFP_KERNEL);
diff --git a/drivers/media/dvb-frontends/as102_fe_types.h b/drivers/media/dvb-frontends/as102_fe_types.h
index 297f9520ebf9..8a4e392c8896 100644
--- a/drivers/media/dvb-frontends/as102_fe_types.h
+++ b/drivers/media/dvb-frontends/as102_fe_types.h
@@ -174,6 +174,6 @@ struct as10x_register_addr {
uint32_t addr;
/* register mode access */
uint8_t mode;
-};
+} __packed;
#endif
diff --git a/drivers/media/dvb-frontends/tda10048.c b/drivers/media/dvb-frontends/tda10048.c
index f1d5e77d5dcc..db829754f135 100644
--- a/drivers/media/dvb-frontends/tda10048.c
+++ b/drivers/media/dvb-frontends/tda10048.c
@@ -410,6 +410,7 @@ static int tda10048_set_if(struct dvb_frontend *fe, u32 bw)
struct tda10048_config *config = &state->config;
int i;
u32 if_freq_khz;
+ u64 sample_freq;
dprintk(1, "%s(bw = %d)\n", __func__, bw);
@@ -451,9 +452,11 @@ static int tda10048_set_if(struct dvb_frontend *fe, u32 bw)
dprintk(1, "- pll_pfactor = %d\n", state->pll_pfactor);
/* Calculate the sample frequency */
- state->sample_freq = state->xtal_hz * (state->pll_mfactor + 45);
- state->sample_freq /= (state->pll_nfactor + 1);
- state->sample_freq /= (state->pll_pfactor + 4);
+ sample_freq = state->xtal_hz;
+ sample_freq *= state->pll_mfactor + 45;
+ do_div(sample_freq, state->pll_nfactor + 1);
+ do_div(sample_freq, state->pll_pfactor + 4);
+ state->sample_freq = sample_freq;
dprintk(1, "- sample_freq = %d\n", state->sample_freq);
/* Update the I/F */
diff --git a/drivers/media/dvb-frontends/tda18271c2dd.c b/drivers/media/dvb-frontends/tda18271c2dd.c
index 43312bba1aec..1381681c8fc1 100644
--- a/drivers/media/dvb-frontends/tda18271c2dd.c
+++ b/drivers/media/dvb-frontends/tda18271c2dd.c
@@ -331,7 +331,7 @@ static int CalcMainPLL(struct tda_state *state, u32 freq)
OscFreq = (u64) freq * (u64) Div;
OscFreq *= (u64) 16384;
- do_div(OscFreq, (u64)16000000);
+ do_div(OscFreq, 16000000);
MainDiv = OscFreq;
state->m_Regs[MPD] = PostDiv & 0x77;
@@ -355,7 +355,7 @@ static int CalcCalPLL(struct tda_state *state, u32 freq)
OscFreq = (u64)freq * (u64)Div;
/* CalDiv = u32( OscFreq * 16384 / 16000000 ); */
OscFreq *= (u64)16384;
- do_div(OscFreq, (u64)16000000);
+ do_div(OscFreq, 16000000);
CalDiv = OscFreq;
state->m_Regs[CPD] = PostDiv;
diff --git a/drivers/media/usb/dvb-usb/dib0700_devices.c b/drivers/media/usb/dvb-usb/dib0700_devices.c
index ab7a100ec84f..8eecbcdbbad8 100644
--- a/drivers/media/usb/dvb-usb/dib0700_devices.c
+++ b/drivers/media/usb/dvb-usb/dib0700_devices.c
@@ -2424,7 +2424,12 @@ static int stk9090m_frontend_attach(struct dvb_usb_adapter *adap)
adap->fe_adap[0].fe = dvb_attach(dib9000_attach, &adap->dev->i2c_adap, 0x80, &stk9090m_config);
- return adap->fe_adap[0].fe == NULL ? -ENODEV : 0;
+ if (!adap->fe_adap[0].fe) {
+ release_firmware(state->frontend_firmware);
+ return -ENODEV;
+ }
+
+ return 0;
}
static int dib9090_tuner_attach(struct dvb_usb_adapter *adap)
@@ -2497,8 +2502,10 @@ static int nim9090md_frontend_attach(struct dvb_usb_adapter *adap)
dib9000_i2c_enumeration(&adap->dev->i2c_adap, 1, 0x20, 0x80);
adap->fe_adap[0].fe = dvb_attach(dib9000_attach, &adap->dev->i2c_adap, 0x80, &nim9090md_config[0]);
- if (adap->fe_adap[0].fe == NULL)
+ if (!adap->fe_adap[0].fe) {
+ release_firmware(state->frontend_firmware);
return -ENODEV;
+ }
i2c = dib9000_get_i2c_master(adap->fe_adap[0].fe, DIBX000_I2C_INTERFACE_GPIO_3_4, 0);
dib9000_i2c_enumeration(i2c, 1, 0x12, 0x82);
@@ -2506,7 +2513,12 @@ static int nim9090md_frontend_attach(struct dvb_usb_adapter *adap)
fe_slave = dvb_attach(dib9000_attach, i2c, 0x82, &nim9090md_config[1]);
dib9000_set_slave_frontend(adap->fe_adap[0].fe, fe_slave);
- return fe_slave == NULL ? -ENODEV : 0;
+ if (!fe_slave) {
+ release_firmware(state->frontend_firmware);
+ return -ENODEV;
+ }
+
+ return 0;
}
static int nim9090md_tuner_attach(struct dvb_usb_adapter *adap)
diff --git a/drivers/media/usb/dvb-usb/dw2102.c b/drivers/media/usb/dvb-usb/dw2102.c
index 924a6478007a..2d841da15e74 100644
--- a/drivers/media/usb/dvb-usb/dw2102.c
+++ b/drivers/media/usb/dvb-usb/dw2102.c
@@ -716,6 +716,7 @@ static int su3000_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[],
{
struct dvb_usb_device *d = i2c_get_adapdata(adap);
struct dw2102_state *state;
+ int j;
if (!d)
return -ENODEV;
@@ -729,11 +730,11 @@ static int su3000_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[],
return -EAGAIN;
}
- switch (num) {
- case 1:
- switch (msg[0].addr) {
+ j = 0;
+ while (j < num) {
+ switch (msg[j].addr) {
case SU3000_STREAM_CTRL:
- state->data[0] = msg[0].buf[0] + 0x36;
+ state->data[0] = msg[j].buf[0] + 0x36;
state->data[1] = 3;
state->data[2] = 0;
if (dvb_usb_generic_rw(d, state->data, 3,
@@ -745,61 +746,86 @@ static int su3000_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[],
if (dvb_usb_generic_rw(d, state->data, 1,
state->data, 2, 0) < 0)
err("i2c transfer failed.");
- msg[0].buf[1] = state->data[0];
- msg[0].buf[0] = state->data[1];
+ msg[j].buf[1] = state->data[0];
+ msg[j].buf[0] = state->data[1];
break;
default:
- if (3 + msg[0].len > sizeof(state->data)) {
- warn("i2c wr: len=%d is too big!\n",
- msg[0].len);
+ /* if the current write msg is followed by a another
+ * read msg to/from the same address
+ */
+ if ((j+1 < num) && (msg[j+1].flags & I2C_M_RD) &&
+ (msg[j].addr == msg[j+1].addr)) {
+ /* join both i2c msgs to one usb read command */
+ if (4 + msg[j].len > sizeof(state->data)) {
+ warn("i2c combined wr/rd: write len=%d is too big!\n",
+ msg[j].len);
+ num = -EOPNOTSUPP;
+ break;
+ }
+ if (1 + msg[j+1].len > sizeof(state->data)) {
+ warn("i2c combined wr/rd: read len=%d is too big!\n",
+ msg[j+1].len);
+ num = -EOPNOTSUPP;
+ break;
+ }
+
+ state->data[0] = 0x09;
+ state->data[1] = msg[j].len;
+ state->data[2] = msg[j+1].len;
+ state->data[3] = msg[j].addr;
+ memcpy(&state->data[4], msg[j].buf, msg[j].len);
+
+ if (dvb_usb_generic_rw(d, state->data, msg[j].len + 4,
+ state->data, msg[j+1].len + 1, 0) < 0)
+ err("i2c transfer failed.");
+
+ memcpy(msg[j+1].buf, &state->data[1], msg[j+1].len);
+ j++;
+ break;
+ }
+
+ if (msg[j].flags & I2C_M_RD) {
+ /* single read */
+ if (4 + msg[j].len > sizeof(state->data)) {
+ warn("i2c rd: len=%d is too big!\n", msg[j].len);
+ num = -EOPNOTSUPP;
+ break;
+ }
+
+ state->data[0] = 0x09;
+ state->data[1] = 0;
+ state->data[2] = msg[j].len;
+ state->data[3] = msg[j].addr;
+ memcpy(&state->data[4], msg[j].buf, msg[j].len);
+
+ if (dvb_usb_generic_rw(d, state->data, 4,
+ state->data, msg[j].len + 1, 0) < 0)
+ err("i2c transfer failed.");
+
+ memcpy(msg[j].buf, &state->data[1], msg[j].len);
+ break;
+ }
+
+ /* single write */
+ if (3 + msg[j].len > sizeof(state->data)) {
+ warn("i2c wr: len=%d is too big!\n", msg[j].len);
num = -EOPNOTSUPP;
break;
}
- /* always i2c write*/
state->data[0] = 0x08;
- state->data[1] = msg[0].addr;
- state->data[2] = msg[0].len;
+ state->data[1] = msg[j].addr;
+ state->data[2] = msg[j].len;
- memcpy(&state->data[3], msg[0].buf, msg[0].len);
+ memcpy(&state->data[3], msg[j].buf, msg[j].len);
- if (dvb_usb_generic_rw(d, state->data, msg[0].len + 3,
+ if (dvb_usb_generic_rw(d, state->data, msg[j].len + 3,
state->data, 1, 0) < 0)
err("i2c transfer failed.");
+ } // switch
+ j++;
- }
- break;
- case 2:
- /* always i2c read */
- if (4 + msg[0].len > sizeof(state->data)) {
- warn("i2c rd: len=%d is too big!\n",
- msg[0].len);
- num = -EOPNOTSUPP;
- break;
- }
- if (1 + msg[1].len > sizeof(state->data)) {
- warn("i2c rd: len=%d is too big!\n",
- msg[1].len);
- num = -EOPNOTSUPP;
- break;
- }
-
- state->data[0] = 0x09;
- state->data[1] = msg[0].len;
- state->data[2] = msg[1].len;
- state->data[3] = msg[0].addr;
- memcpy(&state->data[4], msg[0].buf, msg[0].len);
-
- if (dvb_usb_generic_rw(d, state->data, msg[0].len + 4,
- state->data, msg[1].len + 1, 0) < 0)
- err("i2c transfer failed.");
-
- memcpy(msg[1].buf, &state->data[1], msg[1].len);
- break;
- default:
- warn("more than 2 i2c messages at a time is not handled yet.");
- break;
- }
+ } // while
mutex_unlock(&d->data_mutex);
mutex_unlock(&d->i2c_mutex);
return num;
diff --git a/drivers/media/usb/s2255/s2255drv.c b/drivers/media/usb/s2255/s2255drv.c
index 7ed526306816..845869240abe 100644
--- a/drivers/media/usb/s2255/s2255drv.c
+++ b/drivers/media/usb/s2255/s2255drv.c
@@ -247,7 +247,7 @@ struct s2255_vc {
struct s2255_dev {
struct s2255_vc vc[MAX_CHANNELS];
struct v4l2_device v4l2_dev;
- atomic_t num_channels;
+ refcount_t num_channels;
int frames;
struct mutex lock; /* channels[].vdev.lock */
struct mutex cmdlock; /* protects cmdbuf */
@@ -1552,11 +1552,11 @@ static void s2255_video_device_release(struct video_device *vdev)
container_of(vdev, struct s2255_vc, vdev);
dprintk(dev, 4, "%s, chnls: %d\n", __func__,
- atomic_read(&dev->num_channels));
+ refcount_read(&dev->num_channels));
v4l2_ctrl_handler_free(&vc->hdl);
- if (atomic_dec_and_test(&dev->num_channels))
+ if (refcount_dec_and_test(&dev->num_channels))
s2255_destroy(dev);
return;
}
@@ -1661,7 +1661,7 @@ static int s2255_probe_v4l(struct s2255_dev *dev)
"failed to register video device!\n");
break;
}
- atomic_inc(&dev->num_channels);
+ refcount_inc(&dev->num_channels);
v4l2_info(&dev->v4l2_dev, "V4L2 device registered as %s\n",
video_device_node_name(&vc->vdev));
@@ -1669,11 +1669,11 @@ static int s2255_probe_v4l(struct s2255_dev *dev)
pr_info("Sensoray 2255 V4L driver Revision: %s\n",
S2255_VERSION);
/* if no channels registered, return error and probe will fail*/
- if (atomic_read(&dev->num_channels) == 0) {
+ if (refcount_read(&dev->num_channels) == 0) {
v4l2_device_unregister(&dev->v4l2_dev);
return ret;
}
- if (atomic_read(&dev->num_channels) != MAX_CHANNELS)
+ if (refcount_read(&dev->num_channels) != MAX_CHANNELS)
pr_warn("s2255: Not all channels available.\n");
return 0;
}
@@ -2222,7 +2222,7 @@ static int s2255_probe(struct usb_interface *interface,
goto errorFWDATA1;
}
- atomic_set(&dev->num_channels, 0);
+ refcount_set(&dev->num_channels, 0);
dev->pid = id->idProduct;
dev->fw_data = kzalloc(sizeof(struct s2255_fw), GFP_KERNEL);
if (!dev->fw_data)
@@ -2342,12 +2342,12 @@ static void s2255_disconnect(struct usb_interface *interface)
{
struct s2255_dev *dev = to_s2255_dev(usb_get_intfdata(interface));
int i;
- int channels = atomic_read(&dev->num_channels);
+ int channels = refcount_read(&dev->num_channels);
mutex_lock(&dev->lock);
v4l2_device_disconnect(&dev->v4l2_dev);
mutex_unlock(&dev->lock);
/*see comments in the uvc_driver.c usb disconnect function */
- atomic_inc(&dev->num_channels);
+ refcount_inc(&dev->num_channels);
/* unregister each video device. */
for (i = 0; i < channels; i++)
video_unregister_device(&dev->vc[i].vdev);
@@ -2360,7 +2360,7 @@ static void s2255_disconnect(struct usb_interface *interface)
dev->vc[i].vidstatus_ready = 1;
wake_up(&dev->vc[i].wait_vidstatus);
}
- if (atomic_dec_and_test(&dev->num_channels))
+ if (refcount_dec_and_test(&dev->num_channels))
s2255_destroy(dev);
dev_info(&interface->dev, "%s\n", __func__);
}
diff --git a/drivers/net/bonding/bond_options.c b/drivers/net/bonding/bond_options.c
index 933087d85549..68fa3e891e6f 100644
--- a/drivers/net/bonding/bond_options.c
+++ b/drivers/net/bonding/bond_options.c
@@ -1084,9 +1084,9 @@ static int bond_option_arp_ip_targets_set(struct bonding *bond,
__be32 target;
if (newval->string) {
- if (!in4_pton(newval->string+1, -1, (u8 *)&target, -1, NULL)) {
- netdev_err(bond->dev, "invalid ARP target %pI4 specified\n",
- &target);
+ if (strlen(newval->string) < 1 ||
+ !in4_pton(newval->string + 1, -1, (u8 *)&target, -1, NULL)) {
+ netdev_err(bond->dev, "invalid ARP target specified\n");
return ret;
}
if (newval->string[0] == '+')
diff --git a/drivers/net/can/usb/kvaser_usb/kvaser_usb_core.c b/drivers/net/can/usb/kvaser_usb/kvaser_usb_core.c
index 1f015b496a47..411b3adb1d9e 100644
--- a/drivers/net/can/usb/kvaser_usb/kvaser_usb_core.c
+++ b/drivers/net/can/usb/kvaser_usb/kvaser_usb_core.c
@@ -114,6 +114,7 @@ static const struct kvaser_usb_driver_info kvaser_usb_driver_info_leaf_err_liste
static const struct kvaser_usb_driver_info kvaser_usb_driver_info_leafimx = {
.quirks = 0,
+ .family = KVASER_LEAF,
.ops = &kvaser_usb_leaf_dev_ops,
};
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 81e6227cc875..cf3d57437437 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -115,8 +115,8 @@ struct mii_bus *mv88e6xxx_default_mdio_bus(struct mv88e6xxx_chip *chip)
{
struct mv88e6xxx_mdio_bus *mdio_bus;
- mdio_bus = list_first_entry(&chip->mdios, struct mv88e6xxx_mdio_bus,
- list);
+ mdio_bus = list_first_entry_or_null(&chip->mdios,
+ struct mv88e6xxx_mdio_bus, list);
if (!mdio_bus)
return NULL;
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
index 6026b53137aa..f0638eb32e5b 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
@@ -1256,7 +1256,7 @@ enum {
struct bnx2x_fw_stats_req {
struct stats_query_header hdr;
- struct stats_query_entry query[FP_SB_MAX_E1x+
+ struct stats_query_entry query[FP_SB_MAX_E2 +
BNX2X_FIRST_QUEUE_QUERY_IDX];
};
diff --git a/drivers/net/ethernet/lantiq_etop.c b/drivers/net/ethernet/lantiq_etop.c
index 12e8b0f957d3..932796080c7f 100644
--- a/drivers/net/ethernet/lantiq_etop.c
+++ b/drivers/net/ethernet/lantiq_etop.c
@@ -213,8 +213,9 @@ ltq_etop_free_channel(struct net_device *dev, struct ltq_etop_chan *ch)
if (ch->dma.irq)
free_irq(ch->dma.irq, priv);
if (IS_RX(ch->idx)) {
- int desc;
- for (desc = 0; desc < LTQ_DESC_NUM; desc++)
+ struct ltq_dma_channel *dma = &ch->dma;
+
+ for (dma->desc = 0; dma->desc < LTQ_DESC_NUM; dma->desc++)
dev_kfree_skb_any(ch->skb[ch->dma.desc]);
}
}
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/npc.h b/drivers/net/ethernet/marvell/octeontx2/af/npc.h
index 5d4df315a0e1..86d5bda2c0bf 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/npc.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/npc.h
@@ -38,14 +38,18 @@ enum npc_kpu_lb_ltype {
NPC_LT_LB_ITAG,
};
+/* Don't modify ltypes up to IP6_EXT, otherwise length and checksum of IP
+ * headers may not be checked correctly. IPv4 ltypes and IPv6 ltypes must
+ * differ only at bit 0 so mask 0xE can be used to detect extended headers.
+ */
enum npc_kpu_lc_ltype {
- NPC_LT_LC_IP = 1,
+ NPC_LT_LC_PTP = 1,
+ NPC_LT_LC_IP,
NPC_LT_LC_IP6,
NPC_LT_LC_ARP,
NPC_LT_LC_RARP,
NPC_LT_LC_MPLS,
NPC_LT_LC_NSH,
- NPC_LT_LC_PTP,
NPC_LT_LC_FCOE,
};
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
index 9c6307186505..f569a98e35a0 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
@@ -1124,7 +1124,7 @@ static int rvu_check_rsrc_availability(struct rvu *rvu,
if (req->ssow > block->lf.max) {
dev_err(&rvu->pdev->dev,
"Func 0x%x: Invalid SSOW req, %d > max %d\n",
- pcifunc, req->sso, block->lf.max);
+ pcifunc, req->ssow, block->lf.max);
return -EINVAL;
}
mappedlfs = rvu_get_rsrc_mapcount(pfvf, block->type);
diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c
index 078c0f474f96..3cd4196b36b2 100644
--- a/drivers/net/ppp/ppp_generic.c
+++ b/drivers/net/ppp/ppp_generic.c
@@ -70,6 +70,7 @@
#define MPHDRLEN_SSN 4 /* ditto with short sequence numbers */
#define PPP_PROTO_LEN 2
+#define PPP_LCP_HDRLEN 4
/*
* An instance of /dev/ppp can be associated with either a ppp
@@ -491,6 +492,15 @@ static ssize_t ppp_read(struct file *file, char __user *buf,
return ret;
}
+static bool ppp_check_packet(struct sk_buff *skb, size_t count)
+{
+ /* LCP packets must include LCP header which 4 bytes long:
+ * 1-byte code, 1-byte identifier, and 2-byte length.
+ */
+ return get_unaligned_be16(skb->data) != PPP_LCP ||
+ count >= PPP_PROTO_LEN + PPP_LCP_HDRLEN;
+}
+
static ssize_t ppp_write(struct file *file, const char __user *buf,
size_t count, loff_t *ppos)
{
@@ -513,6 +523,11 @@ static ssize_t ppp_write(struct file *file, const char __user *buf,
kfree_skb(skb);
goto out;
}
+ ret = -EINVAL;
+ if (unlikely(!ppp_check_packet(skb, count))) {
+ kfree_skb(skb);
+ goto out;
+ }
switch (pf->kind) {
case INTERFACE:
diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c
index 4f3220aef7c4..36d63da71b2f 100644
--- a/drivers/nvme/host/multipath.c
+++ b/drivers/nvme/host/multipath.c
@@ -437,7 +437,7 @@ static void nvme_mpath_set_live(struct nvme_ns *ns)
int node, srcu_idx;
srcu_idx = srcu_read_lock(&head->srcu);
- for_each_node(node)
+ for_each_online_node(node)
__nvme_find_path(head, node);
srcu_read_unlock(&head->srcu, srcu_idx);
}
diff --git a/drivers/nvmem/meson-efuse.c b/drivers/nvmem/meson-efuse.c
index ba2714bef8d0..cf1b249e67ca 100644
--- a/drivers/nvmem/meson-efuse.c
+++ b/drivers/nvmem/meson-efuse.c
@@ -18,18 +18,24 @@ static int meson_efuse_read(void *context, unsigned int offset,
void *val, size_t bytes)
{
struct meson_sm_firmware *fw = context;
+ int ret;
- return meson_sm_call_read(fw, (u8 *)val, bytes, SM_EFUSE_READ, offset,
- bytes, 0, 0, 0);
+ ret = meson_sm_call_read(fw, (u8 *)val, bytes, SM_EFUSE_READ, offset,
+ bytes, 0, 0, 0);
+
+ return ret < 0 ? ret : 0;
}
static int meson_efuse_write(void *context, unsigned int offset,
void *val, size_t bytes)
{
struct meson_sm_firmware *fw = context;
+ int ret;
+
+ ret = meson_sm_call_write(fw, (u8 *)val, bytes, SM_EFUSE_WRITE, offset,
+ bytes, 0, 0, 0);
- return meson_sm_call_write(fw, (u8 *)val, bytes, SM_EFUSE_WRITE, offset,
- bytes, 0, 0, 0);
+ return ret < 0 ? ret : 0;
}
static const struct of_device_id meson_efuse_match[] = {
diff --git a/drivers/s390/crypto/pkey_api.c b/drivers/s390/crypto/pkey_api.c
index 0658aa5030c6..ca090fdec5f2 100644
--- a/drivers/s390/crypto/pkey_api.c
+++ b/drivers/s390/crypto/pkey_api.c
@@ -784,7 +784,7 @@ static long pkey_unlocked_ioctl(struct file *filp, unsigned int cmd,
if (rc)
break;
if (copy_to_user(ucs, &kcs, sizeof(kcs)))
- return -EFAULT;
+ rc = -EFAULT;
memzero_explicit(&kcs, sizeof(kcs));
break;
}
@@ -816,7 +816,7 @@ static long pkey_unlocked_ioctl(struct file *filp, unsigned int cmd,
if (rc)
break;
if (copy_to_user(ucp, &kcp, sizeof(kcp)))
- return -EFAULT;
+ rc = -EFAULT;
memzero_explicit(&kcp, sizeof(kcp));
break;
}
diff --git a/drivers/scsi/qedf/qedf_io.c b/drivers/scsi/qedf/qedf_io.c
index d02d1ef0d011..dc1ba29c1676 100644
--- a/drivers/scsi/qedf/qedf_io.c
+++ b/drivers/scsi/qedf/qedf_io.c
@@ -2330,9 +2330,6 @@ static int qedf_execute_tmf(struct qedf_rport *fcport, struct scsi_cmnd *sc_cmd,
io_req->fcport = fcport;
io_req->cmd_type = QEDF_TASK_MGMT_CMD;
- /* Record which cpu this request is associated with */
- io_req->cpu = smp_processor_id();
-
/* Set TM flags */
io_req->io_req_flags = QEDF_READ;
io_req->data_xfer_len = 0;
@@ -2354,6 +2351,9 @@ static int qedf_execute_tmf(struct qedf_rport *fcport, struct scsi_cmnd *sc_cmd,
spin_lock_irqsave(&fcport->rport_lock, flags);
+ /* Record which cpu this request is associated with */
+ io_req->cpu = smp_processor_id();
+
sqe_idx = qedf_get_sqe_idx(fcport);
sqe = &fcport->sq[sqe_idx];
memset(sqe, 0, sizeof(struct fcoe_wqe));
diff --git a/drivers/staging/wilc1000/wilc_hif.c b/drivers/staging/wilc1000/wilc_hif.c
index 22e02fd068b4..7f54665c0a0f 100644
--- a/drivers/staging/wilc1000/wilc_hif.c
+++ b/drivers/staging/wilc1000/wilc_hif.c
@@ -446,7 +446,8 @@ void *wilc_parse_join_bss_param(struct cfg80211_bss *bss,
struct ieee80211_p2p_noa_attr noa_attr;
const struct cfg80211_bss_ies *ies;
struct wilc_join_bss_param *param;
- u8 rates_len = 0, ies_len;
+ u8 rates_len = 0;
+ int ies_len;
int ret;
param = kzalloc(sizeof(*param), GFP_KERNEL);
diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c
index a8d97773d3d9..7fe6018bc2e0 100644
--- a/drivers/usb/core/config.c
+++ b/drivers/usb/core/config.c
@@ -291,6 +291,20 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno,
if (ifp->desc.bNumEndpoints >= num_ep)
goto skip_to_next_endpoint_or_interface_descriptor;
+ /* Save a copy of the descriptor and use it instead of the original */
+ endpoint = &ifp->endpoint[ifp->desc.bNumEndpoints];
+ memcpy(&endpoint->desc, d, n);
+ d = &endpoint->desc;
+
+ /* Clear the reserved bits in bEndpointAddress */
+ i = d->bEndpointAddress &
+ (USB_ENDPOINT_DIR_MASK | USB_ENDPOINT_NUMBER_MASK);
+ if (i != d->bEndpointAddress) {
+ dev_notice(ddev, "config %d interface %d altsetting %d has an endpoint descriptor with address 0x%X, changing to 0x%X\n",
+ cfgno, inum, asnum, d->bEndpointAddress, i);
+ endpoint->desc.bEndpointAddress = i;
+ }
+
/* Check for duplicate endpoint addresses */
if (config_endpoint_is_duplicate(config, inum, asnum, d)) {
dev_warn(ddev, "config %d interface %d altsetting %d has a duplicate endpoint with address 0x%X, skipping\n",
@@ -308,10 +322,8 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno,
}
}
- endpoint = &ifp->endpoint[ifp->desc.bNumEndpoints];
+ /* Accept this endpoint */
++ifp->desc.bNumEndpoints;
-
- memcpy(&endpoint->desc, d, n);
INIT_LIST_HEAD(&endpoint->urb_list);
/*
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 48cda9b7a8f2..a158bf40373b 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -504,6 +504,9 @@ static const struct usb_device_id usb_quirk_list[] = {
{ USB_DEVICE(0x1b1c, 0x1b38), .driver_info = USB_QUIRK_DELAY_INIT |
USB_QUIRK_DELAY_CTRL_MSG },
+ /* START BP-850k Printer */
+ { USB_DEVICE(0x1bc3, 0x0003), .driver_info = USB_QUIRK_NO_SET_INTF },
+
/* MIDI keyboard WORLDE MINI */
{ USB_DEVICE(0x1c75, 0x0204), .driver_info =
USB_QUIRK_CONFIG_INTF_STRINGS },
diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c
index 2350e97a1662..87657e0ca5fc 100644
--- a/drivers/usb/gadget/configfs.c
+++ b/drivers/usb/gadget/configfs.c
@@ -116,9 +116,12 @@ static int usb_string_copy(const char *s, char **s_copy)
int ret;
char *str;
char *copy = *s_copy;
+
ret = strlen(s);
if (ret > USB_MAX_STRING_LEN)
return -EOVERFLOW;
+ if (ret < 1)
+ return -EINVAL;
if (copy) {
str = copy;
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 9ebd314a791d..6545b295be99 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -1425,6 +1425,10 @@ static const struct usb_device_id option_ids[] = {
.driver_info = NCTRL(0) | RSVD(1) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1901, 0xff), /* Telit LN940 (MBIM) */
.driver_info = NCTRL(0) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x3000, 0xff), /* Telit FN912 */
+ .driver_info = RSVD(0) | NCTRL(3) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x3001, 0xff), /* Telit FN912 */
+ .driver_info = RSVD(0) | NCTRL(2) | RSVD(3) | RSVD(4) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x7010, 0xff), /* Telit LE910-S1 (RNDIS) */
.driver_info = NCTRL(2) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x7011, 0xff), /* Telit LE910-S1 (ECM) */
@@ -1433,6 +1437,8 @@ static const struct usb_device_id option_ids[] = {
.driver_info = NCTRL(2) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x701b, 0xff), /* Telit LE910R1 (ECM) */
.driver_info = NCTRL(2) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x9000, 0xff), /* Telit generic core-dump device */
+ .driver_info = NCTRL(0) },
{ USB_DEVICE(TELIT_VENDOR_ID, 0x9010), /* Telit SBL FN980 flashing device */
.driver_info = NCTRL(0) | ZLP },
{ USB_DEVICE(TELIT_VENDOR_ID, 0x9200), /* Telit LE910S1 flashing device */
@@ -2224,6 +2230,10 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_7106_2COM, 0x02, 0x02, 0x01) },
{ USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_DC_4COM2, 0xff, 0x02, 0x01) },
{ USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_DC_4COM2, 0xff, 0x00, 0x00) },
+ { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, 0x7126, 0xff, 0x00, 0x00),
+ .driver_info = NCTRL(2) },
+ { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, 0x7127, 0xff, 0x00, 0x00),
+ .driver_info = NCTRL(2) | NCTRL(3) | NCTRL(4) },
{ USB_DEVICE(CELLIENT_VENDOR_ID, CELLIENT_PRODUCT_MEN200) },
{ USB_DEVICE(CELLIENT_VENDOR_ID, CELLIENT_PRODUCT_MPL200),
.driver_info = RSVD(1) | RSVD(4) },
@@ -2284,6 +2294,8 @@ static const struct usb_device_id option_ids[] = {
.driver_info = RSVD(3) },
{ USB_DEVICE_INTERFACE_CLASS(0x0489, 0xe0f0, 0xff), /* Foxconn T99W373 MBIM */
.driver_info = RSVD(3) },
+ { USB_DEVICE_INTERFACE_CLASS(0x0489, 0xe145, 0xff), /* Foxconn T99W651 RNDIS */
+ .driver_info = RSVD(5) | RSVD(6) },
{ USB_DEVICE(0x1508, 0x1001), /* Fibocom NL668 (IOT version) */
.driver_info = RSVD(4) | RSVD(5) | RSVD(6) },
{ USB_DEVICE(0x1782, 0x4d10) }, /* Fibocom L610 (AT mode) */
@@ -2321,6 +2333,32 @@ static const struct usb_device_id option_ids[] = {
.driver_info = RSVD(4) },
{ USB_DEVICE_INTERFACE_CLASS(0x33f8, 0x0115, 0xff), /* Rolling RW135-GL (laptop MBIM) */
.driver_info = RSVD(5) },
+ { USB_DEVICE_INTERFACE_CLASS(0x33f8, 0x0802, 0xff), /* Rolling RW350-GL (laptop MBIM) */
+ .driver_info = RSVD(5) },
+ { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0100, 0xff, 0xff, 0x30) }, /* NetPrisma LCUK54-WWD for Global */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0100, 0xff, 0x00, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0100, 0xff, 0xff, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0101, 0xff, 0xff, 0x30) }, /* NetPrisma LCUK54-WRD for Global SKU */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0101, 0xff, 0x00, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0101, 0xff, 0xff, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0106, 0xff, 0xff, 0x30) }, /* NetPrisma LCUK54-WRD for China SKU */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0106, 0xff, 0x00, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0106, 0xff, 0xff, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0111, 0xff, 0xff, 0x30) }, /* NetPrisma LCUK54-WWD for SA */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0111, 0xff, 0x00, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0111, 0xff, 0xff, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0112, 0xff, 0xff, 0x30) }, /* NetPrisma LCUK54-WWD for EU */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0112, 0xff, 0x00, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0112, 0xff, 0xff, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0113, 0xff, 0xff, 0x30) }, /* NetPrisma LCUK54-WWD for NA */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0113, 0xff, 0x00, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0113, 0xff, 0xff, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0115, 0xff, 0xff, 0x30) }, /* NetPrisma LCUK54-WWD for China EDU */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0115, 0xff, 0x00, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0115, 0xff, 0xff, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0116, 0xff, 0xff, 0x30) }, /* NetPrisma LCUK54-WWD for Golbal EDU */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0116, 0xff, 0x00, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0116, 0xff, 0xff, 0x40) },
{ USB_DEVICE_AND_INTERFACE_INFO(OPPO_VENDOR_ID, OPPO_PRODUCT_R11, 0xff, 0xff, 0x30) },
{ USB_DEVICE_AND_INTERFACE_INFO(SIERRA_VENDOR_ID, SIERRA_PRODUCT_EM9191, 0xff, 0xff, 0x30) },
{ USB_DEVICE_AND_INTERFACE_INFO(SIERRA_VENDOR_ID, SIERRA_PRODUCT_EM9191, 0xff, 0xff, 0x40) },
diff --git a/fs/dcache.c b/fs/dcache.c
index 43864a276faa..c58b5e5cb045 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -329,7 +329,11 @@ static inline void __d_clear_type_and_inode(struct dentry *dentry)
flags &= ~(DCACHE_ENTRY_TYPE | DCACHE_FALLTHRU);
WRITE_ONCE(dentry->d_flags, flags);
dentry->d_inode = NULL;
- if (dentry->d_flags & DCACHE_LRU_LIST)
+ /*
+ * The negative counter only tracks dentries on the LRU. Don't inc if
+ * d_lru is on another list.
+ */
+ if ((flags & (DCACHE_LRU_LIST|DCACHE_SHRINK_LIST)) == DCACHE_LRU_LIST)
this_cpu_inc(nr_dentry_negative);
}
@@ -1921,9 +1925,11 @@ static void __d_instantiate(struct dentry *dentry, struct inode *inode)
spin_lock(&dentry->d_lock);
/*
- * Decrement negative dentry count if it was in the LRU list.
+ * The negative counter only tracks dentries on the LRU. Don't dec if
+ * d_lru is on another list.
*/
- if (dentry->d_flags & DCACHE_LRU_LIST)
+ if ((dentry->d_flags &
+ (DCACHE_LRU_LIST|DCACHE_SHRINK_LIST)) == DCACHE_LRU_LIST)
this_cpu_dec(nr_dentry_negative);
hlist_add_head(&dentry->d_u.d_alias, &inode->i_dentry);
raw_write_seqcount_begin(&dentry->d_seq);
diff --git a/fs/jffs2/super.c b/fs/jffs2/super.c
index 6839a61e8ff1..3602e368cee0 100644
--- a/fs/jffs2/super.c
+++ b/fs/jffs2/super.c
@@ -58,6 +58,7 @@ static void jffs2_i_init_once(void *foo)
struct jffs2_inode_info *f = foo;
mutex_init(&f->sem);
+ f->target = NULL;
inode_init_once(&f->vfs_inode);
}
diff --git a/fs/locks.c b/fs/locks.c
index 90f92784aa55..bafe11deea56 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -1336,9 +1336,9 @@ static int posix_lock_inode(struct inode *inode, struct file_lock *request,
locks_wake_up_blocks(left);
}
out:
+ trace_posix_lock_inode(inode, request, error);
spin_unlock(&ctx->flc_lock);
percpu_up_read(&file_rwsem);
- trace_posix_lock_inode(inode, request, error);
/*
* Free any unused locks.
*/
diff --git a/fs/nilfs2/alloc.c b/fs/nilfs2/alloc.c
index 279d945d4ebe..2dc5fae6a6ee 100644
--- a/fs/nilfs2/alloc.c
+++ b/fs/nilfs2/alloc.c
@@ -377,11 +377,12 @@ void *nilfs_palloc_block_get_entry(const struct inode *inode, __u64 nr,
* @target: offset number of an entry in the group (start point)
* @bsize: size in bits
* @lock: spin lock protecting @bitmap
+ * @wrap: whether to wrap around
*/
static int nilfs_palloc_find_available_slot(unsigned char *bitmap,
unsigned long target,
unsigned int bsize,
- spinlock_t *lock)
+ spinlock_t *lock, bool wrap)
{
int pos, end = bsize;
@@ -397,6 +398,8 @@ static int nilfs_palloc_find_available_slot(unsigned char *bitmap,
end = target;
}
+ if (!wrap)
+ return -ENOSPC;
/* wrap around */
for (pos = 0; pos < end; pos++) {
@@ -495,9 +498,10 @@ int nilfs_palloc_count_max_entries(struct inode *inode, u64 nused, u64 *nmaxp)
* nilfs_palloc_prepare_alloc_entry - prepare to allocate a persistent object
* @inode: inode of metadata file using this allocator
* @req: nilfs_palloc_req structure exchanged for the allocation
+ * @wrap: whether to wrap around
*/
int nilfs_palloc_prepare_alloc_entry(struct inode *inode,
- struct nilfs_palloc_req *req)
+ struct nilfs_palloc_req *req, bool wrap)
{
struct buffer_head *desc_bh, *bitmap_bh;
struct nilfs_palloc_group_desc *desc;
@@ -516,7 +520,7 @@ int nilfs_palloc_prepare_alloc_entry(struct inode *inode,
entries_per_group = nilfs_palloc_entries_per_group(inode);
for (i = 0; i < ngroups; i += n) {
- if (group >= ngroups) {
+ if (group >= ngroups && wrap) {
/* wrap around */
group = 0;
maxgroup = nilfs_palloc_group(inode, req->pr_entry_nr,
@@ -541,7 +545,13 @@ int nilfs_palloc_prepare_alloc_entry(struct inode *inode,
bitmap = bitmap_kaddr + bh_offset(bitmap_bh);
pos = nilfs_palloc_find_available_slot(
bitmap, group_offset,
- entries_per_group, lock);
+ entries_per_group, lock, wrap);
+ /*
+ * Since the search for a free slot in the
+ * second and subsequent bitmap blocks always
+ * starts from the beginning, the wrap flag
+ * only has an effect on the first search.
+ */
if (pos >= 0) {
/* found a free entry */
nilfs_palloc_group_desc_add_entries(
diff --git a/fs/nilfs2/alloc.h b/fs/nilfs2/alloc.h
index 0303c3968cee..071fc620264e 100644
--- a/fs/nilfs2/alloc.h
+++ b/fs/nilfs2/alloc.h
@@ -50,8 +50,8 @@ struct nilfs_palloc_req {
struct buffer_head *pr_entry_bh;
};
-int nilfs_palloc_prepare_alloc_entry(struct inode *,
- struct nilfs_palloc_req *);
+int nilfs_palloc_prepare_alloc_entry(struct inode *inode,
+ struct nilfs_palloc_req *req, bool wrap);
void nilfs_palloc_commit_alloc_entry(struct inode *,
struct nilfs_palloc_req *);
void nilfs_palloc_abort_alloc_entry(struct inode *, struct nilfs_palloc_req *);
diff --git a/fs/nilfs2/dat.c b/fs/nilfs2/dat.c
index c47e1f6f23a8..b333a6b15d52 100644
--- a/fs/nilfs2/dat.c
+++ b/fs/nilfs2/dat.c
@@ -75,7 +75,7 @@ int nilfs_dat_prepare_alloc(struct inode *dat, struct nilfs_palloc_req *req)
{
int ret;
- ret = nilfs_palloc_prepare_alloc_entry(dat, req);
+ ret = nilfs_palloc_prepare_alloc_entry(dat, req, true);
if (ret < 0)
return ret;
diff --git a/fs/nilfs2/dir.c b/fs/nilfs2/dir.c
index 552234ef22fe..5c0e280c83ee 100644
--- a/fs/nilfs2/dir.c
+++ b/fs/nilfs2/dir.c
@@ -143,6 +143,9 @@ static bool nilfs_check_page(struct page *page)
goto Enamelen;
if (((offs + rec_len - 1) ^ offs) & ~(chunk_size-1))
goto Espan;
+ if (unlikely(p->inode &&
+ NILFS_PRIVATE_INODE(le64_to_cpu(p->inode))))
+ goto Einumber;
}
if (offs != limit)
goto Eend;
@@ -168,6 +171,9 @@ static bool nilfs_check_page(struct page *page)
goto bad_entry;
Espan:
error = "directory entry across blocks";
+ goto bad_entry;
+Einumber:
+ error = "disallowed inode number";
bad_entry:
nilfs_error(sb,
"bad entry in directory #%lu: %s - offset=%lu, inode=%lu, rec_len=%d, name_len=%d",
@@ -390,11 +396,39 @@ nilfs_find_entry(struct inode *dir, const struct qstr *qstr,
struct nilfs_dir_entry *nilfs_dotdot(struct inode *dir, struct page **p)
{
- struct nilfs_dir_entry *de = nilfs_get_page(dir, 0, p);
+ struct page *page;
+ struct nilfs_dir_entry *de, *next_de;
+ size_t limit;
+ char *msg;
+ de = nilfs_get_page(dir, 0, &page);
if (IS_ERR(de))
return NULL;
- return nilfs_next_entry(de);
+
+ limit = nilfs_last_byte(dir, 0); /* is a multiple of chunk size */
+ if (unlikely(!limit || le64_to_cpu(de->inode) != dir->i_ino ||
+ !nilfs_match(1, ".", de))) {
+ msg = "missing '.'";
+ goto fail;
+ }
+
+ next_de = nilfs_next_entry(de);
+ /*
+ * If "next_de" has not reached the end of the chunk, there is
+ * at least one more record. Check whether it matches "..".
+ */
+ if (unlikely((char *)next_de == (char *)de + nilfs_chunk_size(dir) ||
+ !nilfs_match(2, "..", next_de))) {
+ msg = "missing '..'";
+ goto fail;
+ }
+ *p = page;
+ return next_de;
+
+fail:
+ nilfs_error(dir->i_sb, "directory #%lu %s", dir->i_ino, msg);
+ nilfs_put_page(page);
+ return NULL;
}
ino_t nilfs_inode_by_name(struct inode *dir, const struct qstr *qstr)
diff --git a/fs/nilfs2/ifile.c b/fs/nilfs2/ifile.c
index 02727ed3a7c6..9ee8d006f1a2 100644
--- a/fs/nilfs2/ifile.c
+++ b/fs/nilfs2/ifile.c
@@ -55,13 +55,10 @@ int nilfs_ifile_create_inode(struct inode *ifile, ino_t *out_ino,
struct nilfs_palloc_req req;
int ret;
- req.pr_entry_nr = 0; /*
- * 0 says find free inode from beginning
- * of a group. dull code!!
- */
+ req.pr_entry_nr = NILFS_FIRST_INO(ifile->i_sb);
req.pr_entry_bh = NULL;
- ret = nilfs_palloc_prepare_alloc_entry(ifile, &req);
+ ret = nilfs_palloc_prepare_alloc_entry(ifile, &req, false);
if (!ret) {
ret = nilfs_palloc_get_entry_block(ifile, req.pr_entry_nr, 1,
&req.pr_entry_bh);
diff --git a/fs/nilfs2/nilfs.h b/fs/nilfs2/nilfs.h
index 6b9383ba0049..7a1243c7a74a 100644
--- a/fs/nilfs2/nilfs.h
+++ b/fs/nilfs2/nilfs.h
@@ -116,9 +116,15 @@ enum {
#define NILFS_FIRST_INO(sb) (((struct the_nilfs *)sb->s_fs_info)->ns_first_ino)
#define NILFS_MDT_INODE(sb, ino) \
- ((ino) < NILFS_FIRST_INO(sb) && (NILFS_MDT_INO_BITS & BIT(ino)))
+ ((ino) < NILFS_USER_INO && (NILFS_MDT_INO_BITS & BIT(ino)))
#define NILFS_VALID_INODE(sb, ino) \
- ((ino) >= NILFS_FIRST_INO(sb) || (NILFS_SYS_INO_BITS & BIT(ino)))
+ ((ino) >= NILFS_FIRST_INO(sb) || \
+ ((ino) < NILFS_USER_INO && (NILFS_SYS_INO_BITS & BIT(ino))))
+
+#define NILFS_PRIVATE_INODE(ino) ({ \
+ ino_t __ino = (ino); \
+ ((__ino) < NILFS_USER_INO && (__ino) != NILFS_ROOT_INO && \
+ (__ino) != NILFS_SKETCH_INO); })
/**
* struct nilfs_transaction_info: context information for synchronization
diff --git a/fs/nilfs2/the_nilfs.c b/fs/nilfs2/the_nilfs.c
index 0480034644aa..fa5d29660ed2 100644
--- a/fs/nilfs2/the_nilfs.c
+++ b/fs/nilfs2/the_nilfs.c
@@ -420,6 +420,12 @@ static int nilfs_store_disk_layout(struct the_nilfs *nilfs,
}
nilfs->ns_first_ino = le32_to_cpu(sbp->s_first_ino);
+ if (nilfs->ns_first_ino < NILFS_USER_INO) {
+ nilfs_err(nilfs->ns_sb,
+ "too small lower limit for non-reserved inode numbers: %u",
+ nilfs->ns_first_ino);
+ return -EINVAL;
+ }
nilfs->ns_blocks_per_segment = le32_to_cpu(sbp->s_blocks_per_segment);
if (nilfs->ns_blocks_per_segment < NILFS_SEG_MIN_BLOCKS) {
diff --git a/fs/nilfs2/the_nilfs.h b/fs/nilfs2/the_nilfs.h
index de6e24d80eb6..95a779196acb 100644
--- a/fs/nilfs2/the_nilfs.h
+++ b/fs/nilfs2/the_nilfs.h
@@ -182,7 +182,7 @@ struct the_nilfs {
unsigned long ns_nrsvsegs;
unsigned long ns_first_data_block;
int ns_inode_size;
- int ns_first_ino;
+ unsigned int ns_first_ino;
u32 ns_crc_seed;
/* /sys/fs/<nilfs>/<device> */
diff --git a/fs/orangefs/super.c b/fs/orangefs/super.c
index 2f2e430461b2..b48aef43b51d 100644
--- a/fs/orangefs/super.c
+++ b/fs/orangefs/super.c
@@ -200,7 +200,8 @@ static int orangefs_statfs(struct dentry *dentry, struct kstatfs *buf)
(long)new_op->downcall.resp.statfs.files_avail);
buf->f_type = sb->s_magic;
- memcpy(&buf->f_fsid, &ORANGEFS_SB(sb)->fs_id, sizeof(buf->f_fsid));
+ buf->f_fsid.val[0] = ORANGEFS_SB(sb)->fs_id;
+ buf->f_fsid.val[1] = ORANGEFS_SB(sb)->id;
buf->f_bsize = new_op->downcall.resp.statfs.block_size;
buf->f_namelen = ORANGEFS_NAME_MAX;
diff --git a/include/linux/compiler_attributes.h b/include/linux/compiler_attributes.h
index cdf016596659..a72b0f756a24 100644
--- a/include/linux/compiler_attributes.h
+++ b/include/linux/compiler_attributes.h
@@ -264,6 +264,18 @@
*/
#define __used __attribute__((__used__))
+/*
+ * Optional: only supported since gcc >= 12
+ *
+ * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Variable-Attributes.html#index-uninitialized-variable-attribute
+ * clang: https://clang.llvm.org/docs/AttributeReference.html#uninitialized
+ */
+#if __has_attribute(__uninitialized__)
+# define __uninitialized __attribute__((__uninitialized__))
+#else
+# define __uninitialized
+#endif
+
/*
* gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-weak-function-attribute
* gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Variable-Attributes.html#index-weak-variable-attribute
diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h
index e9d2024473b0..e266cac311c3 100644
--- a/include/linux/fsnotify.h
+++ b/include/linux/fsnotify.h
@@ -62,7 +62,13 @@ static inline int fsnotify_perm(struct file *file, int mask)
struct inode *inode = file_inode(file);
__u32 fsnotify_mask = 0;
- if (file->f_mode & FMODE_NONOTIFY)
+ /*
+ * FMODE_NONOTIFY are fds generated by fanotify itself which should not
+ * generate new events. We also don't want to generate events for
+ * FMODE_PATH fds (involves open & close events) as they are just
+ * handle creation / destruction events and not "real" file events.
+ */
+ if (file->f_mode & (FMODE_NONOTIFY | FMODE_PATH))
return 0;
if (!(mask & (MAY_READ | MAY_OPEN)))
return 0;
diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h
index 18d4cf2d637b..db22a87f3b0a 100644
--- a/include/linux/sunrpc/clnt.h
+++ b/include/linux/sunrpc/clnt.h
@@ -73,6 +73,7 @@ struct rpc_clnt {
#endif
struct rpc_xprt_iter cl_xpi;
const struct cred *cl_cred;
+ struct super_block *pipefs_sb;
};
/*
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 68dacc199437..0c1255a9d306 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -225,7 +225,7 @@ struct tcp_sock {
fastopen_connect:1, /* FASTOPEN_CONNECT sockopt */
fastopen_no_cookie:1, /* Allow send/recv SYN+data without a cookie */
is_sack_reneg:1, /* in recovery from loss with SACK reneg? */
- unused:2;
+ fastopen_client_fail:2; /* reason why fastopen failed */
u8 nonagle : 4,/* Disable Nagle algorithm? */
thin_lto : 1,/* Use linear timeouts for thin streams */
recvmsg_inq : 1,/* Indicate # of bytes in queue upon recvmsg */
diff --git a/include/uapi/linux/tcp.h b/include/uapi/linux/tcp.h
index 81e697978e8b..74af1f759cee 100644
--- a/include/uapi/linux/tcp.h
+++ b/include/uapi/linux/tcp.h
@@ -155,6 +155,14 @@ enum {
TCP_QUEUES_NR,
};
+/* why fastopen failed from client perspective */
+enum tcp_fastopen_client_fail {
+ TFO_STATUS_UNSPEC, /* catch-all */
+ TFO_COOKIE_UNAVAILABLE, /* if not in TFO_CLIENT_NO_COOKIE mode */
+ TFO_DATA_NOT_ACKED, /* SYN-ACK did not ack SYN data */
+ TFO_SYN_RETRANSMITTED, /* SYN-ACK did not ack SYN data after timeout */
+};
+
/* for TCP_INFO socket option */
#define TCPI_OPT_TIMESTAMPS 1
#define TCPI_OPT_SACK 2
@@ -211,7 +219,7 @@ struct tcp_info {
__u8 tcpi_backoff;
__u8 tcpi_options;
__u8 tcpi_snd_wscale : 4, tcpi_rcv_wscale : 4;
- __u8 tcpi_delivery_rate_app_limited:1;
+ __u8 tcpi_delivery_rate_app_limited:1, tcpi_fastopen_client_fail:2;
__u32 tcpi_rto;
__u32 tcpi_ato;
diff --git a/kernel/exit.c b/kernel/exit.c
index c764d16328f6..56d3a099825f 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -433,6 +433,8 @@ void mm_update_next_owner(struct mm_struct *mm)
* Search through everything else, we should not get here often.
*/
for_each_process(g) {
+ if (atomic_read(&mm->mm_users) <= 1)
+ break;
if (g->flags & PF_KTHREAD)
continue;
for_each_thread(g, c) {
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index fdebfaf1873c..5cc892b26339 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -1530,7 +1530,7 @@ static inline void wb_dirty_limits(struct dirty_throttle_control *dtc)
*/
dtc->wb_thresh = __wb_calc_thresh(dtc);
dtc->wb_bg_thresh = dtc->thresh ?
- div64_u64(dtc->wb_thresh * dtc->bg_thresh, dtc->thresh) : 0;
+ div_u64((u64)dtc->wb_thresh * dtc->bg_thresh, dtc->thresh) : 0;
/*
* In order to avoid the stacked BDI deadlock we need
diff --git a/net/ceph/mon_client.c b/net/ceph/mon_client.c
index 7256c402ebaa..381254c63c9f 100644
--- a/net/ceph/mon_client.c
+++ b/net/ceph/mon_client.c
@@ -975,13 +975,19 @@ static void delayed_work(struct work_struct *work)
struct ceph_mon_client *monc =
container_of(work, struct ceph_mon_client, delayed_work.work);
- dout("monc delayed_work\n");
mutex_lock(&monc->mutex);
+ dout("%s mon%d\n", __func__, monc->cur_mon);
+ if (monc->cur_mon < 0) {
+ goto out;
+ }
+
if (monc->hunting) {
dout("%s continuing hunt\n", __func__);
reopen_session(monc);
} else {
int is_auth = ceph_auth_is_authenticated(monc->auth);
+
+ dout("%s is_authed %d\n", __func__, is_auth);
if (ceph_con_keepalive_expired(&monc->con,
CEPH_MONC_PING_TIMEOUT)) {
dout("monc keepalive timeout\n");
@@ -1006,6 +1012,8 @@ static void delayed_work(struct work_struct *work)
}
}
__schedule_delayed(monc);
+
+out:
mutex_unlock(&monc->mutex);
}
@@ -1118,13 +1126,15 @@ EXPORT_SYMBOL(ceph_monc_init);
void ceph_monc_stop(struct ceph_mon_client *monc)
{
dout("stop\n");
- cancel_delayed_work_sync(&monc->delayed_work);
mutex_lock(&monc->mutex);
__close_session(monc);
+ monc->hunting = false;
monc->cur_mon = -1;
mutex_unlock(&monc->mutex);
+ cancel_delayed_work_sync(&monc->delayed_work);
+
/*
* flush msgr queue before we destroy ourselves to ensure that:
* - any work that references our embedded con is finished.
diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c
index f8f79672cc5f..1de42888e14a 100644
--- a/net/ipv4/inet_diag.c
+++ b/net/ipv4/inet_diag.c
@@ -1088,6 +1088,7 @@ static int inet_diag_dump_compat(struct sk_buff *skb,
req.sdiag_family = AF_UNSPEC; /* compatibility */
req.sdiag_protocol = inet_diag_type2proto(cb->nlh->nlmsg_type);
req.idiag_ext = rc->idiag_ext;
+ req.pad = 0;
req.idiag_states = rc->idiag_states;
req.id = rc->id;
@@ -1106,6 +1107,7 @@ static int inet_diag_get_exact_compat(struct sk_buff *in_skb,
req.sdiag_family = rc->idiag_family;
req.sdiag_protocol = inet_diag_type2proto(nlh->nlmsg_type);
req.idiag_ext = rc->idiag_ext;
+ req.pad = 0;
req.idiag_states = rc->idiag_states;
req.id = rc->id;
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index a878b8b6e0b9..54399256a438 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2713,6 +2713,7 @@ int tcp_disconnect(struct sock *sk, int flags)
/* Clean up fastopen related fields */
tcp_free_fastopen_req(tp);
inet->defer_connect = 0;
+ tp->fastopen_client_fail = 0;
WARN_ON(inet->inet_num && !icsk->icsk_bind_hash);
@@ -3360,6 +3361,7 @@ void tcp_get_info(struct sock *sk, struct tcp_info *info)
info->tcpi_reord_seen = tp->reord_seen;
info->tcpi_rcv_ooopack = tp->rcv_ooopack;
info->tcpi_snd_wnd = tp->snd_wnd;
+ info->tcpi_fastopen_client_fail = tp->fastopen_client_fail;
unlock_sock_fast(sk, slow);
}
EXPORT_SYMBOL_GPL(tcp_get_info);
diff --git a/net/ipv4/tcp_fastopen.c b/net/ipv4/tcp_fastopen.c
index 35088cd30840..38752bdedee3 100644
--- a/net/ipv4/tcp_fastopen.c
+++ b/net/ipv4/tcp_fastopen.c
@@ -446,7 +446,10 @@ bool tcp_fastopen_cookie_check(struct sock *sk, u16 *mss,
cookie->len = -1;
return true;
}
- return cookie->len > 0;
+ if (cookie->len > 0)
+ return true;
+ tcp_sk(sk)->fastopen_client_fail = TFO_COOKIE_UNAVAILABLE;
+ return false;
}
/* This function checks if we want to defer sending SYN until the first
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 87a10bb11eb0..cf6221e9fda5 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -1905,7 +1905,7 @@ static void tcp_check_reno_reordering(struct sock *sk, const int addend)
/* Emulate SACKs for SACKless connection: account for a new dupack. */
-static void tcp_add_reno_sack(struct sock *sk, int num_dupack)
+static void tcp_add_reno_sack(struct sock *sk, int num_dupack, bool ece_ack)
{
if (num_dupack) {
struct tcp_sock *tp = tcp_sk(sk);
@@ -1923,7 +1923,7 @@ static void tcp_add_reno_sack(struct sock *sk, int num_dupack)
/* Account for ACK, ACKing some data in Reno Recovery phase. */
-static void tcp_remove_reno_sacks(struct sock *sk, int acked)
+static void tcp_remove_reno_sacks(struct sock *sk, int acked, bool ece_ack)
{
struct tcp_sock *tp = tcp_sk(sk);
@@ -1956,8 +1956,16 @@ void tcp_clear_retrans(struct tcp_sock *tp)
static inline void tcp_init_undo(struct tcp_sock *tp)
{
tp->undo_marker = tp->snd_una;
+
/* Retransmission still in flight may cause DSACKs later. */
- tp->undo_retrans = tp->retrans_out ? : -1;
+ /* First, account for regular retransmits in flight: */
+ tp->undo_retrans = tp->retrans_out;
+ /* Next, account for TLP retransmits in flight: */
+ if (tp->tlp_high_seq && tp->tlp_retrans)
+ tp->undo_retrans++;
+ /* Finally, avoid 0, because undo_retrans==0 means "can undo now": */
+ if (!tp->undo_retrans)
+ tp->undo_retrans = -1;
}
static bool tcp_is_rack(const struct sock *sk)
@@ -2036,6 +2044,7 @@ void tcp_enter_loss(struct sock *sk)
tcp_set_ca_state(sk, TCP_CA_Loss);
tp->high_seq = tp->snd_nxt;
+ tp->tlp_high_seq = 0;
tcp_ecn_queue_cwr(tp);
/* F-RTO RFC5682 sec 3.1 step 1: retransmit SND.UNA if no previous
@@ -2202,8 +2211,7 @@ static bool tcp_time_to_recover(struct sock *sk, int flag)
}
/* Detect loss in event "A" above by marking head of queue up as lost.
- * For non-SACK(Reno) senders, the first "packets" number of segments
- * are considered lost. For RFC3517 SACK, a segment is considered lost if it
+ * For RFC3517 SACK, a segment is considered lost if it
* has at least tp->reordering SACKed seqments above it; "packets" refers to
* the maximum SACKed segments to pass before reaching this limit.
*/
@@ -2211,10 +2219,9 @@ static void tcp_mark_head_lost(struct sock *sk, int packets, int mark_head)
{
struct tcp_sock *tp = tcp_sk(sk);
struct sk_buff *skb;
- int cnt, oldcnt, lost;
- unsigned int mss;
+ int cnt;
/* Use SACK to deduce losses of new sequences sent during recovery */
- const u32 loss_high = tcp_is_sack(tp) ? tp->snd_nxt : tp->high_seq;
+ const u32 loss_high = tp->snd_nxt;
WARN_ON(packets > tp->packets_out);
skb = tp->lost_skb_hint;
@@ -2237,26 +2244,11 @@ static void tcp_mark_head_lost(struct sock *sk, int packets, int mark_head)
if (after(TCP_SKB_CB(skb)->end_seq, loss_high))
break;
- oldcnt = cnt;
- if (tcp_is_reno(tp) ||
- (TCP_SKB_CB(skb)->sacked & TCPCB_SACKED_ACKED))
+ if (TCP_SKB_CB(skb)->sacked & TCPCB_SACKED_ACKED)
cnt += tcp_skb_pcount(skb);
- if (cnt > packets) {
- if (tcp_is_sack(tp) ||
- (TCP_SKB_CB(skb)->sacked & TCPCB_SACKED_ACKED) ||
- (oldcnt >= packets))
- break;
-
- mss = tcp_skb_mss(skb);
- /* If needed, chop off the prefix to mark as lost. */
- lost = (packets - oldcnt) * mss;
- if (lost < skb->len &&
- tcp_fragment(sk, TCP_FRAG_IN_RTX_QUEUE, skb,
- lost, mss, GFP_ATOMIC) < 0)
- break;
- cnt = packets;
- }
+ if (cnt > packets)
+ break;
tcp_skb_mark_lost(tp, skb);
@@ -2746,15 +2738,24 @@ static void tcp_process_loss(struct sock *sk, int flag, int num_dupack,
* delivered. Lower inflight to clock out (re)tranmissions.
*/
if (after(tp->snd_nxt, tp->high_seq) && num_dupack)
- tcp_add_reno_sack(sk, num_dupack);
+ tcp_add_reno_sack(sk, num_dupack, flag & FLAG_ECE);
else if (flag & FLAG_SND_UNA_ADVANCED)
tcp_reset_reno_sack(tp);
}
*rexmit = REXMIT_LOST;
}
+static bool tcp_force_fast_retransmit(struct sock *sk)
+{
+ struct tcp_sock *tp = tcp_sk(sk);
+
+ return after(tcp_highest_sack_seq(tp),
+ tp->snd_una + tp->reordering * tp->mss_cache);
+}
+
/* Undo during fast recovery after partial ACK. */
-static bool tcp_try_undo_partial(struct sock *sk, u32 prior_snd_una)
+static bool tcp_try_undo_partial(struct sock *sk, u32 prior_snd_una,
+ bool *do_lost)
{
struct tcp_sock *tp = tcp_sk(sk);
@@ -2779,7 +2780,9 @@ static bool tcp_try_undo_partial(struct sock *sk, u32 prior_snd_una)
tcp_undo_cwnd_reduction(sk, true);
NET_INC_STATS(sock_net(sk), LINUX_MIB_TCPPARTIALUNDO);
tcp_try_keep_open(sk);
- return true;
+ } else {
+ /* Partial ACK arrived. Force fast retransmit. */
+ *do_lost = tcp_force_fast_retransmit(sk);
}
return false;
}
@@ -2803,14 +2806,6 @@ static void tcp_identify_packet_loss(struct sock *sk, int *ack_flag)
}
}
-static bool tcp_force_fast_retransmit(struct sock *sk)
-{
- struct tcp_sock *tp = tcp_sk(sk);
-
- return after(tcp_highest_sack_seq(tp),
- tp->snd_una + tp->reordering * tp->mss_cache);
-}
-
/* Process an event, which can update packets-in-flight not trivially.
* Main goal of this function is to calculate new estimate for left_out,
* taking into account both packets sitting in receiver's buffer and
@@ -2829,6 +2824,7 @@ static void tcp_fastretrans_alert(struct sock *sk, const u32 prior_snd_una,
struct inet_connection_sock *icsk = inet_csk(sk);
struct tcp_sock *tp = tcp_sk(sk);
int fast_rexmit = 0, flag = *ack_flag;
+ bool ece_ack = flag & FLAG_ECE;
bool do_lost = num_dupack || ((flag & FLAG_DATA_SACKED) &&
tcp_force_fast_retransmit(sk));
@@ -2837,7 +2833,7 @@ static void tcp_fastretrans_alert(struct sock *sk, const u32 prior_snd_una,
/* Now state machine starts.
* A. ECE, hence prohibit cwnd undoing, the reduction is required. */
- if (flag & FLAG_ECE)
+ if (ece_ack)
tp->prior_ssthresh = 0;
/* B. In all the states check for reneging SACKs. */
@@ -2878,19 +2874,22 @@ static void tcp_fastretrans_alert(struct sock *sk, const u32 prior_snd_una,
case TCP_CA_Recovery:
if (!(flag & FLAG_SND_UNA_ADVANCED)) {
if (tcp_is_reno(tp))
- tcp_add_reno_sack(sk, num_dupack);
- } else {
- if (tcp_try_undo_partial(sk, prior_snd_una))
- return;
- /* Partial ACK arrived. Force fast retransmit. */
- do_lost = tcp_is_reno(tp) ||
- tcp_force_fast_retransmit(sk);
- }
- if (tcp_try_undo_dsack(sk)) {
- tcp_try_keep_open(sk);
+ tcp_add_reno_sack(sk, num_dupack, ece_ack);
+ } else if (tcp_try_undo_partial(sk, prior_snd_una, &do_lost))
return;
- }
+
+ if (tcp_try_undo_dsack(sk))
+ tcp_try_to_open(sk, flag);
+
tcp_identify_packet_loss(sk, ack_flag);
+ if (icsk->icsk_ca_state != TCP_CA_Recovery) {
+ if (!tcp_time_to_recover(sk, flag))
+ return;
+ /* Undo reverts the recovery state. If loss is evident,
+ * starts a new recovery (e.g. reordering then loss);
+ */
+ tcp_enter_recovery(sk, ece_ack);
+ }
break;
case TCP_CA_Loss:
tcp_process_loss(sk, flag, num_dupack, rexmit);
@@ -2904,7 +2903,7 @@ static void tcp_fastretrans_alert(struct sock *sk, const u32 prior_snd_una,
if (tcp_is_reno(tp)) {
if (flag & FLAG_SND_UNA_ADVANCED)
tcp_reset_reno_sack(tp);
- tcp_add_reno_sack(sk, num_dupack);
+ tcp_add_reno_sack(sk, num_dupack, ece_ack);
}
if (icsk->icsk_ca_state <= TCP_CA_Disorder)
@@ -2928,7 +2927,7 @@ static void tcp_fastretrans_alert(struct sock *sk, const u32 prior_snd_una,
}
/* Otherwise enter Recovery state */
- tcp_enter_recovery(sk, (flag & FLAG_ECE));
+ tcp_enter_recovery(sk, ece_ack);
fast_rexmit = 1;
}
@@ -3106,7 +3105,7 @@ static void tcp_ack_tstamp(struct sock *sk, struct sk_buff *skb,
*/
static int tcp_clean_rtx_queue(struct sock *sk, u32 prior_fack,
u32 prior_snd_una,
- struct tcp_sacktag_state *sack)
+ struct tcp_sacktag_state *sack, bool ece_ack)
{
const struct inet_connection_sock *icsk = inet_csk(sk);
u64 first_ackt, last_ackt;
@@ -3244,7 +3243,7 @@ static int tcp_clean_rtx_queue(struct sock *sk, u32 prior_fack,
}
if (tcp_is_reno(tp)) {
- tcp_remove_reno_sacks(sk, pkts_acked);
+ tcp_remove_reno_sacks(sk, pkts_acked, ece_ack);
/* If any of the cumulatively ACKed segments was
* retransmitted, non-SACK case cannot confirm that
@@ -3753,7 +3752,8 @@ static int tcp_ack(struct sock *sk, const struct sk_buff *skb, int flag)
goto no_queue;
/* See if we can take anything off of the retransmit queue. */
- flag |= tcp_clean_rtx_queue(sk, prior_fack, prior_snd_una, &sack_state);
+ flag |= tcp_clean_rtx_queue(sk, prior_fack, prior_snd_una, &sack_state,
+ flag & FLAG_ECE);
tcp_rack_update_reo_wnd(sk, &rs);
@@ -5905,6 +5905,10 @@ static bool tcp_rcv_fastopen_synack(struct sock *sk, struct sk_buff *synack,
tcp_fastopen_cache_set(sk, mss, cookie, syn_drop, try_exp);
if (data) { /* Retransmit unacked data in SYN */
+ if (tp->total_retrans)
+ tp->fastopen_client_fail = TFO_SYN_RETRANSMITTED;
+ else
+ tp->fastopen_client_fail = TFO_DATA_NOT_ACKED;
skb_rbtree_walk_from(data) {
if (__tcp_retransmit_skb(sk, data, 1))
break;
diff --git a/net/ipv4/tcp_metrics.c b/net/ipv4/tcp_metrics.c
index 627e3be0f754..f6483d6401fb 100644
--- a/net/ipv4/tcp_metrics.c
+++ b/net/ipv4/tcp_metrics.c
@@ -614,6 +614,7 @@ static const struct nla_policy tcp_metrics_nl_policy[TCP_METRICS_ATTR_MAX + 1] =
[TCP_METRICS_ATTR_ADDR_IPV4] = { .type = NLA_U32, },
[TCP_METRICS_ATTR_ADDR_IPV6] = { .type = NLA_BINARY,
.len = sizeof(struct in6_addr), },
+ [TCP_METRICS_ATTR_SADDR_IPV4] = { .type = NLA_U32, },
/* Following attributes are not received for GET/DEL,
* we keep them for reference
*/
diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
index 551c4a78f68d..9740f2989f28 100644
--- a/net/ipv4/tcp_timer.c
+++ b/net/ipv4/tcp_timer.c
@@ -434,6 +434,39 @@ static void tcp_fastopen_synack_timer(struct sock *sk, struct request_sock *req)
TCP_TIMEOUT_INIT << req->num_timeout, TCP_RTO_MAX);
}
+static bool tcp_rtx_probe0_timed_out(const struct sock *sk,
+ const struct sk_buff *skb)
+{
+ const struct inet_connection_sock *icsk = inet_csk(sk);
+ u32 user_timeout = READ_ONCE(icsk->icsk_user_timeout);
+ const struct tcp_sock *tp = tcp_sk(sk);
+ int timeout = TCP_RTO_MAX * 2;
+ u32 rtx_delta;
+ s32 rcv_delta;
+
+ rtx_delta = (u32)msecs_to_jiffies(tcp_time_stamp(tp) -
+ (tp->retrans_stamp ?: tcp_skb_timestamp(skb)));
+
+ if (user_timeout) {
+ /* If user application specified a TCP_USER_TIMEOUT,
+ * it does not want win 0 packets to 'reset the timer'
+ * while retransmits are not making progress.
+ */
+ if (rtx_delta > user_timeout)
+ return true;
+ timeout = min_t(u32, timeout, msecs_to_jiffies(user_timeout));
+ }
+
+ /* Note: timer interrupt might have been delayed by at least one jiffy,
+ * and tp->rcv_tstamp might very well have been written recently.
+ * rcv_delta can thus be negative.
+ */
+ rcv_delta = icsk->icsk_timeout - tp->rcv_tstamp;
+ if (rcv_delta <= timeout)
+ return false;
+
+ return rtx_delta > timeout;
+}
/**
* tcp_retransmit_timer() - The TCP retransmit timeout handler
@@ -452,6 +485,7 @@ void tcp_retransmit_timer(struct sock *sk)
struct net *net = sock_net(sk);
struct inet_connection_sock *icsk = inet_csk(sk);
struct request_sock *req;
+ struct sk_buff *skb;
req = rcu_dereference_protected(tp->fastopen_rsk,
lockdep_sock_is_held(sk));
@@ -464,10 +498,13 @@ void tcp_retransmit_timer(struct sock *sk)
*/
return;
}
- if (!tp->packets_out || WARN_ON_ONCE(tcp_rtx_queue_empty(sk)))
+
+ if (!tp->packets_out)
return;
- tp->tlp_high_seq = 0;
+ skb = tcp_rtx_queue_head(sk);
+ if (WARN_ON_ONCE(!skb))
+ return;
if (!tp->snd_wnd && !sock_flag(sk, SOCK_DEAD) &&
!((1 << sk->sk_state) & (TCPF_SYN_SENT | TCPF_SYN_RECV))) {
@@ -493,12 +530,12 @@ void tcp_retransmit_timer(struct sock *sk)
tp->snd_una, tp->snd_nxt);
}
#endif
- if (tcp_jiffies32 - tp->rcv_tstamp > TCP_RTO_MAX) {
+ if (tcp_rtx_probe0_timed_out(sk, skb)) {
tcp_write_err(sk);
goto out;
}
tcp_enter_loss(sk);
- tcp_retransmit_skb(sk, tcp_rtx_queue_head(sk), 1);
+ tcp_retransmit_skb(sk, skb, 1);
__sk_dst_reset(sk);
goto out_reset_timer;
}
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index b17b63654812..1ccdb6a9ab89 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -313,6 +313,8 @@ int udp_lib_get_port(struct sock *sk, unsigned short snum,
goto fail_unlock;
}
+ sock_set_flag(sk, SOCK_RCU_FREE);
+
sk_add_node_rcu(sk, &hslot->head);
hslot->count++;
sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
@@ -329,7 +331,7 @@ int udp_lib_get_port(struct sock *sk, unsigned short snum,
hslot2->count++;
spin_unlock(&hslot2->lock);
}
- sock_set_flag(sk, SOCK_RCU_FREE);
+
error = 0;
fail_unlock:
spin_unlock_bh(&hslot->lock);
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index cbcbc92748ba..c188a0acfa59 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -7158,6 +7158,7 @@ static int sctp_getsockopt_assoc_ids(struct sock *sk, int len,
struct sctp_sock *sp = sctp_sk(sk);
struct sctp_association *asoc;
struct sctp_assoc_ids *ids;
+ size_t ids_size;
u32 num = 0;
if (sctp_style(sk, TCP))
@@ -7170,11 +7171,11 @@ static int sctp_getsockopt_assoc_ids(struct sock *sk, int len,
num++;
}
- if (len < sizeof(struct sctp_assoc_ids) + sizeof(sctp_assoc_t) * num)
+ ids_size = struct_size(ids, gaids_assoc_id, num);
+ if (len < ids_size)
return -EINVAL;
- len = sizeof(struct sctp_assoc_ids) + sizeof(sctp_assoc_t) * num;
-
+ len = ids_size;
ids = kmalloc(len, GFP_USER | __GFP_NOWARN);
if (unlikely(!ids))
return -ENOMEM;
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index dc3226edf22f..2e08876bf856 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -113,7 +113,8 @@ static void rpc_clnt_remove_pipedir(struct rpc_clnt *clnt)
pipefs_sb = rpc_get_sb_net(net);
if (pipefs_sb) {
- __rpc_clnt_remove_pipedir(clnt);
+ if (pipefs_sb == clnt->pipefs_sb)
+ __rpc_clnt_remove_pipedir(clnt);
rpc_put_sb_net(net);
}
}
@@ -153,6 +154,8 @@ rpc_setup_pipedir(struct super_block *pipefs_sb, struct rpc_clnt *clnt)
{
struct dentry *dentry;
+ clnt->pipefs_sb = pipefs_sb;
+
if (clnt->cl_program->pipe_dir_name != NULL) {
dentry = rpc_setup_pipedir_sb(pipefs_sb, clnt);
if (IS_ERR(dentry))
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index bf9a4d5f8555..8a411a6fe0b7 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -8331,6 +8331,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x10cf, 0x1845, "Lifebook U904", ALC269_FIXUP_LIFEBOOK_EXTMIC),
SND_PCI_QUIRK(0x10ec, 0x10f2, "Intel Reference board", ALC700_FIXUP_INTEL_REFERENCE),
SND_PCI_QUIRK(0x10ec, 0x118c, "Medion EE4254 MD62100", ALC256_FIXUP_MEDION_HEADSET_NO_PRESENCE),
+ SND_PCI_QUIRK(0x10ec, 0x11bc, "VAIO VJFE-IL", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
SND_PCI_QUIRK(0x10ec, 0x1230, "Intel Reference board", ALC295_FIXUP_CHROME_BOOK),
SND_PCI_QUIRK(0x10ec, 0x124c, "Intel Reference board", ALC295_FIXUP_CHROME_BOOK),
SND_PCI_QUIRK(0x10ec, 0x1252, "Intel Reference board", ALC295_FIXUP_CHROME_BOOK),
@@ -8494,6 +8495,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x1d72, 0x1901, "RedmiBook 14", ALC256_FIXUP_ASUS_HEADSET_MIC),
SND_PCI_QUIRK(0x1d72, 0x1945, "Redmi G", ALC256_FIXUP_ASUS_HEADSET_MIC),
SND_PCI_QUIRK(0x1d72, 0x1947, "RedmiBook Air", ALC255_FIXUP_XIAOMI_HEADSET_MIC),
+ SND_PCI_QUIRK(0x2782, 0x0214, "VAIO VJFE-CL", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
SND_PCI_QUIRK(0x2782, 0x0232, "CHUWI CoreBook XPro", ALC269VB_FIXUP_CHUWI_COREBOOK_XPRO),
SND_PCI_QUIRK(0x2782, 0x1707, "Vaio VJFE-ADL", ALC298_FIXUP_SPK_VOLUME),
SND_PCI_QUIRK(0x8086, 0x2074, "Intel NUC 8", ALC233_FIXUP_INTEL_NUC8_DMIC),
@@ -9909,6 +9911,7 @@ enum {
ALC897_FIXUP_LENOVO_HEADSET_MODE,
ALC897_FIXUP_HEADSET_MIC_PIN2,
ALC897_FIXUP_UNIS_H3C_X500S,
+ ALC897_FIXUP_HEADSET_MIC_PIN3,
};
static const struct hda_fixup alc662_fixups[] = {
@@ -10355,10 +10358,18 @@ static const struct hda_fixup alc662_fixups[] = {
{}
},
},
+ [ALC897_FIXUP_HEADSET_MIC_PIN3] = {
+ .type = HDA_FIXUP_PINS,
+ .v.pins = (const struct hda_pintbl[]) {
+ { 0x19, 0x03a11050 }, /* use as headset mic */
+ { }
+ },
+ },
};
static const struct snd_pci_quirk alc662_fixup_tbl[] = {
SND_PCI_QUIRK(0x1019, 0x9087, "ECS", ALC662_FIXUP_ASUS_MODE2),
+ SND_PCI_QUIRK(0x1019, 0x9859, "JP-IK LEAP W502", ALC897_FIXUP_HEADSET_MIC_PIN3),
SND_PCI_QUIRK(0x1025, 0x022f, "Acer Aspire One", ALC662_FIXUP_INV_DMIC),
SND_PCI_QUIRK(0x1025, 0x0241, "Packard Bell DOTS", ALC662_FIXUP_INV_DMIC),
SND_PCI_QUIRK(0x1025, 0x0308, "Acer Aspire 8942G", ALC662_FIXUP_ASPIRE),
diff --git a/tools/testing/selftests/net/msg_zerocopy.c b/tools/testing/selftests/net/msg_zerocopy.c
index bdc03a2097e8..7ea5fb28c93d 100644
--- a/tools/testing/selftests/net/msg_zerocopy.c
+++ b/tools/testing/selftests/net/msg_zerocopy.c
@@ -85,6 +85,7 @@ static bool cfg_rx;
static int cfg_runtime_ms = 4200;
static int cfg_verbose;
static int cfg_waittime_ms = 500;
+static int cfg_notification_limit = 32;
static bool cfg_zerocopy;
static socklen_t cfg_alen;
@@ -95,6 +96,7 @@ static char payload[IP_MAXPACKET];
static long packets, bytes, completions, expected_completions;
static int zerocopied = -1;
static uint32_t next_completion;
+static uint32_t sends_since_notify;
static unsigned long gettimeofday_ms(void)
{
@@ -208,6 +210,7 @@ static bool do_sendmsg(int fd, struct msghdr *msg, bool do_zerocopy, int domain)
error(1, errno, "send");
if (cfg_verbose && ret != len)
fprintf(stderr, "send: ret=%u != %u\n", ret, len);
+ sends_since_notify++;
if (len) {
packets++;
@@ -435,7 +438,7 @@ static bool do_recv_completion(int fd, int domain)
/* Detect notification gaps. These should not happen often, if at all.
* Gaps can occur due to drops, reordering and retransmissions.
*/
- if (lo != next_completion)
+ if (cfg_verbose && lo != next_completion)
fprintf(stderr, "gap: %u..%u does not append to %u\n",
lo, hi, next_completion);
next_completion = hi + 1;
@@ -460,6 +463,7 @@ static bool do_recv_completion(int fd, int domain)
static void do_recv_completions(int fd, int domain)
{
while (do_recv_completion(fd, domain)) {}
+ sends_since_notify = 0;
}
/* Wait for all remaining completions on the errqueue */
@@ -549,6 +553,9 @@ static void do_tx(int domain, int type, int protocol)
else
do_sendmsg(fd, &msg, cfg_zerocopy, domain);
+ if (cfg_zerocopy && sends_since_notify >= cfg_notification_limit)
+ do_recv_completions(fd, domain);
+
while (!do_poll(fd, POLLOUT)) {
if (cfg_zerocopy)
do_recv_completions(fd, domain);
@@ -708,7 +715,7 @@ static void parse_opts(int argc, char **argv)
cfg_payload_len = max_payload_len;
- while ((c = getopt(argc, argv, "46c:C:D:i:mp:rs:S:t:vz")) != -1) {
+ while ((c = getopt(argc, argv, "46c:C:D:i:l:mp:rs:S:t:vz")) != -1) {
switch (c) {
case '4':
if (cfg_family != PF_UNSPEC)
@@ -736,6 +743,9 @@ static void parse_opts(int argc, char **argv)
if (cfg_ifindex == 0)
error(1, errno, "invalid iface: %s", optarg);
break;
+ case 'l':
+ cfg_notification_limit = strtoul(optarg, NULL, 0);
+ break;
case 'm':
cfg_cork_mixed = true;
break;
