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Date: Thu, 30 Jan 2020 09:30:52 +0100
From: Greg KH <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org,
Andrew Morton <akpm@...ux-foundation.org>,
torvalds@...ux-foundation.org, stable@...r.kernel.org
Cc: lwn@....net, Jiri Slaby <jslaby@...e.cz>
Subject: Re: Linux 4.14.169
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 933465eff40e..7e0a4be3503d 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -1845,6 +1845,12 @@
Built with CONFIG_DEBUG_KMEMLEAK_DEFAULT_OFF=y,
the default is off.
+ kpti= [ARM64] Control page table isolation of user
+ and kernel address spaces.
+ Default: enabled on cores which need mitigation.
+ 0: force disabled
+ 1: force enabled
+
kvm.ignore_msrs=[KVM] Ignore guest accesses to unhandled MSRs.
Default is 0 (don't ignore, but inject #GP)
diff --git a/Makefile b/Makefile
index 1e74ba09cdda..795d93bfe156 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 4
PATCHLEVEL = 14
-SUBLEVEL = 168
+SUBLEVEL = 169
EXTRAVERSION =
NAME = Petit Gorille
diff --git a/drivers/atm/firestream.c b/drivers/atm/firestream.c
index 6b6368a56526..0e449ee11ac7 100644
--- a/drivers/atm/firestream.c
+++ b/drivers/atm/firestream.c
@@ -927,6 +927,7 @@ static int fs_open(struct atm_vcc *atm_vcc)
}
if (!to) {
printk ("No more free channels for FS50..\n");
+ kfree(vcc);
return -EBUSY;
}
vcc->channo = dev->channo;
@@ -937,6 +938,7 @@ static int fs_open(struct atm_vcc *atm_vcc)
if (((DO_DIRECTION(rxtp) && dev->atm_vccs[vcc->channo])) ||
( DO_DIRECTION(txtp) && test_bit (vcc->channo, dev->tx_inuse))) {
printk ("Channel is in use for FS155.\n");
+ kfree(vcc);
return -EBUSY;
}
}
@@ -950,6 +952,7 @@ static int fs_open(struct atm_vcc *atm_vcc)
tc, sizeof (struct fs_transmit_config));
if (!tc) {
fs_dprintk (FS_DEBUG_OPEN, "fs: can't alloc transmit_config.\n");
+ kfree(vcc);
return -ENOMEM;
}
diff --git a/drivers/hwmon/adt7475.c b/drivers/hwmon/adt7475.c
index 37db2eb66ed7..d7d1f2467100 100644
--- a/drivers/hwmon/adt7475.c
+++ b/drivers/hwmon/adt7475.c
@@ -297,9 +297,10 @@ static inline u16 volt2reg(int channel, long volt, u8 bypass_attn)
long reg;
if (bypass_attn & (1 << channel))
- reg = (volt * 1024) / 2250;
+ reg = DIV_ROUND_CLOSEST(volt * 1024, 2250);
else
- reg = (volt * r[1] * 1024) / ((r[0] + r[1]) * 2250);
+ reg = DIV_ROUND_CLOSEST(volt * r[1] * 1024,
+ (r[0] + r[1]) * 2250);
return clamp_val(reg, 0, 1023) & (0xff << 2);
}
diff --git a/drivers/hwmon/hwmon.c b/drivers/hwmon/hwmon.c
index 7b53065e9882..652973d83a07 100644
--- a/drivers/hwmon/hwmon.c
+++ b/drivers/hwmon/hwmon.c
@@ -51,6 +51,7 @@ struct hwmon_device_attribute {
#define to_hwmon_attr(d) \
container_of(d, struct hwmon_device_attribute, dev_attr)
+#define to_dev_attr(a) container_of(a, struct device_attribute, attr)
/*
* Thermal zone information
@@ -58,7 +59,7 @@ struct hwmon_device_attribute {
* also provides the sensor index.
*/
struct hwmon_thermal_data {
- struct hwmon_device *hwdev; /* Reference to hwmon device */
+ struct device *dev; /* Reference to hwmon device */
int index; /* sensor index */
};
@@ -95,9 +96,27 @@ static const struct attribute_group *hwmon_dev_attr_groups[] = {
NULL
};
+static void hwmon_free_attrs(struct attribute **attrs)
+{
+ int i;
+
+ for (i = 0; attrs[i]; i++) {
+ struct device_attribute *dattr = to_dev_attr(attrs[i]);
+ struct hwmon_device_attribute *hattr = to_hwmon_attr(dattr);
+
+ kfree(hattr);
+ }
+ kfree(attrs);
+}
+
static void hwmon_dev_release(struct device *dev)
{
- kfree(to_hwmon_device(dev));
+ struct hwmon_device *hwdev = to_hwmon_device(dev);
+
+ if (hwdev->group.attrs)
+ hwmon_free_attrs(hwdev->group.attrs);
+ kfree(hwdev->groups);
+ kfree(hwdev);
}
static struct class hwmon_class = {
@@ -121,11 +140,11 @@ static DEFINE_IDA(hwmon_ida);
static int hwmon_thermal_get_temp(void *data, int *temp)
{
struct hwmon_thermal_data *tdata = data;
- struct hwmon_device *hwdev = tdata->hwdev;
+ struct hwmon_device *hwdev = to_hwmon_device(tdata->dev);
int ret;
long t;
- ret = hwdev->chip->ops->read(&hwdev->dev, hwmon_temp, hwmon_temp_input,
+ ret = hwdev->chip->ops->read(tdata->dev, hwmon_temp, hwmon_temp_input,
tdata->index, &t);
if (ret < 0)
return ret;
@@ -139,26 +158,31 @@ static const struct thermal_zone_of_device_ops hwmon_thermal_ops = {
.get_temp = hwmon_thermal_get_temp,
};
-static int hwmon_thermal_add_sensor(struct device *dev,
- struct hwmon_device *hwdev, int index)
+static int hwmon_thermal_add_sensor(struct device *dev, int index)
{
struct hwmon_thermal_data *tdata;
+ struct thermal_zone_device *tzd;
tdata = devm_kzalloc(dev, sizeof(*tdata), GFP_KERNEL);
if (!tdata)
return -ENOMEM;
- tdata->hwdev = hwdev;
+ tdata->dev = dev;
tdata->index = index;
- devm_thermal_zone_of_sensor_register(&hwdev->dev, index, tdata,
- &hwmon_thermal_ops);
+ tzd = devm_thermal_zone_of_sensor_register(dev, index, tdata,
+ &hwmon_thermal_ops);
+ /*
+ * If CONFIG_THERMAL_OF is disabled, this returns -ENODEV,
+ * so ignore that error but forward any other error.
+ */
+ if (IS_ERR(tzd) && (PTR_ERR(tzd) != -ENODEV))
+ return PTR_ERR(tzd);
return 0;
}
#else
-static int hwmon_thermal_add_sensor(struct device *dev,
- struct hwmon_device *hwdev, int index)
+static int hwmon_thermal_add_sensor(struct device *dev, int index)
{
return 0;
}
@@ -235,8 +259,7 @@ static bool is_string_attr(enum hwmon_sensor_types type, u32 attr)
(type == hwmon_fan && attr == hwmon_fan_label);
}
-static struct attribute *hwmon_genattr(struct device *dev,
- const void *drvdata,
+static struct attribute *hwmon_genattr(const void *drvdata,
enum hwmon_sensor_types type,
u32 attr,
int index,
@@ -264,7 +287,7 @@ static struct attribute *hwmon_genattr(struct device *dev,
if ((mode & S_IWUGO) && !ops->write)
return ERR_PTR(-EINVAL);
- hattr = devm_kzalloc(dev, sizeof(*hattr), GFP_KERNEL);
+ hattr = kzalloc(sizeof(*hattr), GFP_KERNEL);
if (!hattr)
return ERR_PTR(-ENOMEM);
@@ -467,8 +490,7 @@ static int hwmon_num_channel_attrs(const struct hwmon_channel_info *info)
return n;
}
-static int hwmon_genattrs(struct device *dev,
- const void *drvdata,
+static int hwmon_genattrs(const void *drvdata,
struct attribute **attrs,
const struct hwmon_ops *ops,
const struct hwmon_channel_info *info)
@@ -494,7 +516,7 @@ static int hwmon_genattrs(struct device *dev,
attr_mask &= ~BIT(attr);
if (attr >= template_size)
return -EINVAL;
- a = hwmon_genattr(dev, drvdata, info->type, attr, i,
+ a = hwmon_genattr(drvdata, info->type, attr, i,
templates[attr], ops);
if (IS_ERR(a)) {
if (PTR_ERR(a) != -ENOENT)
@@ -508,8 +530,7 @@ static int hwmon_genattrs(struct device *dev,
}
static struct attribute **
-__hwmon_create_attrs(struct device *dev, const void *drvdata,
- const struct hwmon_chip_info *chip)
+__hwmon_create_attrs(const void *drvdata, const struct hwmon_chip_info *chip)
{
int ret, i, aindex = 0, nattrs = 0;
struct attribute **attrs;
@@ -520,15 +541,17 @@ __hwmon_create_attrs(struct device *dev, const void *drvdata,
if (nattrs == 0)
return ERR_PTR(-EINVAL);
- attrs = devm_kcalloc(dev, nattrs + 1, sizeof(*attrs), GFP_KERNEL);
+ attrs = kcalloc(nattrs + 1, sizeof(*attrs), GFP_KERNEL);
if (!attrs)
return ERR_PTR(-ENOMEM);
for (i = 0; chip->info[i]; i++) {
- ret = hwmon_genattrs(dev, drvdata, &attrs[aindex], chip->ops,
+ ret = hwmon_genattrs(drvdata, &attrs[aindex], chip->ops,
chip->info[i]);
- if (ret < 0)
+ if (ret < 0) {
+ hwmon_free_attrs(attrs);
return ERR_PTR(ret);
+ }
aindex += ret;
}
@@ -570,14 +593,13 @@ __hwmon_device_register(struct device *dev, const char *name, void *drvdata,
for (i = 0; groups[i]; i++)
ngroups++;
- hwdev->groups = devm_kcalloc(dev, ngroups, sizeof(*groups),
- GFP_KERNEL);
+ hwdev->groups = kcalloc(ngroups, sizeof(*groups), GFP_KERNEL);
if (!hwdev->groups) {
err = -ENOMEM;
goto free_hwmon;
}
- attrs = __hwmon_create_attrs(dev, drvdata, chip);
+ attrs = __hwmon_create_attrs(drvdata, chip);
if (IS_ERR(attrs)) {
err = PTR_ERR(attrs);
goto free_hwmon;
@@ -621,8 +643,13 @@ __hwmon_device_register(struct device *dev, const char *name, void *drvdata,
if (!chip->ops->is_visible(drvdata, hwmon_temp,
hwmon_temp_input, j))
continue;
- if (info[i]->config[j] & HWMON_T_INPUT)
- hwmon_thermal_add_sensor(dev, hwdev, j);
+ if (info[i]->config[j] & HWMON_T_INPUT) {
+ err = hwmon_thermal_add_sensor(hdev, j);
+ if (err) {
+ device_unregister(hdev);
+ goto ida_remove;
+ }
+ }
}
}
}
@@ -630,7 +657,7 @@ __hwmon_device_register(struct device *dev, const char *name, void *drvdata,
return hdev;
free_hwmon:
- kfree(hwdev);
+ hwmon_dev_release(hdev);
ida_remove:
ida_simple_remove(&hwmon_ida, id);
return ERR_PTR(err);
diff --git a/drivers/hwmon/nct7802.c b/drivers/hwmon/nct7802.c
index 38ffbdb0a85f..779ec8fdfae0 100644
--- a/drivers/hwmon/nct7802.c
+++ b/drivers/hwmon/nct7802.c
@@ -32,8 +32,8 @@
static const u8 REG_VOLTAGE[5] = { 0x09, 0x0a, 0x0c, 0x0d, 0x0e };
static const u8 REG_VOLTAGE_LIMIT_LSB[2][5] = {
- { 0x40, 0x00, 0x42, 0x44, 0x46 },
- { 0x3f, 0x00, 0x41, 0x43, 0x45 },
+ { 0x46, 0x00, 0x40, 0x42, 0x44 },
+ { 0x45, 0x00, 0x3f, 0x41, 0x43 },
};
static const u8 REG_VOLTAGE_LIMIT_MSB[5] = { 0x48, 0x00, 0x47, 0x47, 0x48 };
diff --git a/drivers/hwtracing/coresight/coresight-etb10.c b/drivers/hwtracing/coresight/coresight-etb10.c
index d14a9cb7959a..cb675a596302 100644
--- a/drivers/hwtracing/coresight/coresight-etb10.c
+++ b/drivers/hwtracing/coresight/coresight-etb10.c
@@ -287,9 +287,7 @@ static void *etb_alloc_buffer(struct coresight_device *csdev, int cpu,
int node;
struct cs_buffers *buf;
- if (cpu == -1)
- cpu = smp_processor_id();
- node = cpu_to_node(cpu);
+ node = (cpu == -1) ? NUMA_NO_NODE : cpu_to_node(cpu);
buf = kzalloc_node(sizeof(struct cs_buffers), GFP_KERNEL, node);
if (!buf)
diff --git a/drivers/hwtracing/coresight/coresight-tmc-etf.c b/drivers/hwtracing/coresight/coresight-tmc-etf.c
index 336194d059fe..0a00f4e941fb 100644
--- a/drivers/hwtracing/coresight/coresight-tmc-etf.c
+++ b/drivers/hwtracing/coresight/coresight-tmc-etf.c
@@ -308,9 +308,7 @@ static void *tmc_alloc_etf_buffer(struct coresight_device *csdev, int cpu,
int node;
struct cs_buffers *buf;
- if (cpu == -1)
- cpu = smp_processor_id();
- node = cpu_to_node(cpu);
+ node = (cpu == -1) ? NUMA_NO_NODE : cpu_to_node(cpu);
/* Allocate memory structure for interaction with Perf */
buf = kzalloc_node(sizeof(struct cs_buffers), GFP_KERNEL, node);
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index ee3f630c9217..9b5691f306a2 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -2582,17 +2582,6 @@ isert_wait4logout(struct isert_conn *isert_conn)
}
}
-static void
-isert_wait4cmds(struct iscsi_conn *conn)
-{
- isert_info("iscsi_conn %p\n", conn);
-
- if (conn->sess) {
- target_sess_cmd_list_set_waiting(conn->sess->se_sess);
- target_wait_for_sess_cmds(conn->sess->se_sess);
- }
-}
-
/**
* isert_put_unsol_pending_cmds() - Drop commands waiting for
* unsolicitate dataout
@@ -2640,7 +2629,6 @@ static void isert_wait_conn(struct iscsi_conn *conn)
ib_drain_qp(isert_conn->qp);
isert_put_unsol_pending_cmds(conn);
- isert_wait4cmds(conn);
isert_wait4logout(isert_conn);
queue_work(isert_release_wq, &isert_conn->release_work);
diff --git a/drivers/input/misc/keyspan_remote.c b/drivers/input/misc/keyspan_remote.c
index 77c47d6325fe..a9ee813eef10 100644
--- a/drivers/input/misc/keyspan_remote.c
+++ b/drivers/input/misc/keyspan_remote.c
@@ -344,7 +344,8 @@ static int keyspan_setup(struct usb_device* dev)
int retval = 0;
retval = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
- 0x11, 0x40, 0x5601, 0x0, NULL, 0, 0);
+ 0x11, 0x40, 0x5601, 0x0, NULL, 0,
+ USB_CTRL_SET_TIMEOUT);
if (retval) {
dev_dbg(&dev->dev, "%s - failed to set bit rate due to error: %d\n",
__func__, retval);
@@ -352,7 +353,8 @@ static int keyspan_setup(struct usb_device* dev)
}
retval = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
- 0x44, 0x40, 0x0, 0x0, NULL, 0, 0);
+ 0x44, 0x40, 0x0, 0x0, NULL, 0,
+ USB_CTRL_SET_TIMEOUT);
if (retval) {
dev_dbg(&dev->dev, "%s - failed to set resume sensitivity due to error: %d\n",
__func__, retval);
@@ -360,7 +362,8 @@ static int keyspan_setup(struct usb_device* dev)
}
retval = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
- 0x22, 0x40, 0x0, 0x0, NULL, 0, 0);
+ 0x22, 0x40, 0x0, 0x0, NULL, 0,
+ USB_CTRL_SET_TIMEOUT);
if (retval) {
dev_dbg(&dev->dev, "%s - failed to turn receive on due to error: %d\n",
__func__, retval);
diff --git a/drivers/input/misc/pm8xxx-vibrator.c b/drivers/input/misc/pm8xxx-vibrator.c
index 7dd1c1fbe42a..27b3db154a33 100644
--- a/drivers/input/misc/pm8xxx-vibrator.c
+++ b/drivers/input/misc/pm8xxx-vibrator.c
@@ -98,7 +98,7 @@ static int pm8xxx_vib_set(struct pm8xxx_vib *vib, bool on)
if (regs->enable_mask)
rc = regmap_update_bits(vib->regmap, regs->enable_addr,
- on ? regs->enable_mask : 0, val);
+ regs->enable_mask, on ? ~0 : 0);
return rc;
}
diff --git a/drivers/input/rmi4/rmi_smbus.c b/drivers/input/rmi4/rmi_smbus.c
index 4b2466cf2fb1..b6ccf39c6a7b 100644
--- a/drivers/input/rmi4/rmi_smbus.c
+++ b/drivers/input/rmi4/rmi_smbus.c
@@ -166,6 +166,7 @@ static int rmi_smb_write_block(struct rmi_transport_dev *xport, u16 rmiaddr,
/* prepare to write next block of bytes */
cur_len -= SMB_MAX_COUNT;
databuff += SMB_MAX_COUNT;
+ rmiaddr += SMB_MAX_COUNT;
}
exit:
mutex_unlock(&rmi_smb->page_mutex);
@@ -217,6 +218,7 @@ static int rmi_smb_read_block(struct rmi_transport_dev *xport, u16 rmiaddr,
/* prepare to read next block of bytes */
cur_len -= SMB_MAX_COUNT;
databuff += SMB_MAX_COUNT;
+ rmiaddr += SMB_MAX_COUNT;
}
retval = 0;
diff --git a/drivers/input/tablet/aiptek.c b/drivers/input/tablet/aiptek.c
index 0b55e1f375b3..fbe2df91aad3 100644
--- a/drivers/input/tablet/aiptek.c
+++ b/drivers/input/tablet/aiptek.c
@@ -1822,14 +1822,14 @@ aiptek_probe(struct usb_interface *intf, const struct usb_device_id *id)
input_set_abs_params(inputdev, ABS_WHEEL, AIPTEK_WHEEL_MIN, AIPTEK_WHEEL_MAX - 1, 0, 0);
/* Verify that a device really has an endpoint */
- if (intf->altsetting[0].desc.bNumEndpoints < 1) {
+ if (intf->cur_altsetting->desc.bNumEndpoints < 1) {
dev_err(&intf->dev,
"interface has %d endpoints, but must have minimum 1\n",
- intf->altsetting[0].desc.bNumEndpoints);
+ intf->cur_altsetting->desc.bNumEndpoints);
err = -EINVAL;
goto fail3;
}
- endpoint = &intf->altsetting[0].endpoint[0].desc;
+ endpoint = &intf->cur_altsetting->endpoint[0].desc;
/* Go set up our URB, which is called when the tablet receives
* input.
diff --git a/drivers/input/tablet/gtco.c b/drivers/input/tablet/gtco.c
index 35031228a6d0..799c94dda651 100644
--- a/drivers/input/tablet/gtco.c
+++ b/drivers/input/tablet/gtco.c
@@ -875,18 +875,14 @@ static int gtco_probe(struct usb_interface *usbinterface,
}
/* Sanity check that a device has an endpoint */
- if (usbinterface->altsetting[0].desc.bNumEndpoints < 1) {
+ if (usbinterface->cur_altsetting->desc.bNumEndpoints < 1) {
dev_err(&usbinterface->dev,
"Invalid number of endpoints\n");
error = -EINVAL;
goto err_free_urb;
}
- /*
- * The endpoint is always altsetting 0, we know this since we know
- * this device only has one interrupt endpoint
- */
- endpoint = &usbinterface->altsetting[0].endpoint[0].desc;
+ endpoint = &usbinterface->cur_altsetting->endpoint[0].desc;
/* Some debug */
dev_dbg(&usbinterface->dev, "gtco # interfaces: %d\n", usbinterface->num_altsetting);
@@ -973,7 +969,7 @@ static int gtco_probe(struct usb_interface *usbinterface,
input_dev->dev.parent = &usbinterface->dev;
/* Setup the URB, it will be posted later on open of input device */
- endpoint = &usbinterface->altsetting[0].endpoint[0].desc;
+ endpoint = &usbinterface->cur_altsetting->endpoint[0].desc;
usb_fill_int_urb(gtco->urbinfo,
udev,
diff --git a/drivers/input/tablet/pegasus_notetaker.c b/drivers/input/tablet/pegasus_notetaker.c
index 47de5a81172f..2319144802c9 100644
--- a/drivers/input/tablet/pegasus_notetaker.c
+++ b/drivers/input/tablet/pegasus_notetaker.c
@@ -260,7 +260,7 @@ static int pegasus_probe(struct usb_interface *intf,
return -ENODEV;
/* Sanity check that the device has an endpoint */
- if (intf->altsetting[0].desc.bNumEndpoints < 1) {
+ if (intf->cur_altsetting->desc.bNumEndpoints < 1) {
dev_err(&intf->dev, "Invalid number of endpoints\n");
return -EINVAL;
}
diff --git a/drivers/input/touchscreen/sun4i-ts.c b/drivers/input/touchscreen/sun4i-ts.c
index d2e14d9e5975..ab44eb0352d0 100644
--- a/drivers/input/touchscreen/sun4i-ts.c
+++ b/drivers/input/touchscreen/sun4i-ts.c
@@ -246,6 +246,7 @@ static int sun4i_ts_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
struct device_node *np = dev->of_node;
struct device *hwmon;
+ struct thermal_zone_device *thermal;
int error;
u32 reg;
bool ts_attached;
@@ -365,7 +366,10 @@ static int sun4i_ts_probe(struct platform_device *pdev)
if (IS_ERR(hwmon))
return PTR_ERR(hwmon);
- devm_thermal_zone_of_sensor_register(ts->dev, 0, ts, &sun4i_ts_tz_ops);
+ thermal = devm_thermal_zone_of_sensor_register(ts->dev, 0, ts,
+ &sun4i_ts_tz_ops);
+ if (IS_ERR(thermal))
+ return PTR_ERR(thermal);
writel(TEMP_IRQ_EN(1), ts->base + TP_INT_FIFOC);
diff --git a/drivers/input/touchscreen/sur40.c b/drivers/input/touchscreen/sur40.c
index f16f8358c70a..98e03d0ca03c 100644
--- a/drivers/input/touchscreen/sur40.c
+++ b/drivers/input/touchscreen/sur40.c
@@ -537,7 +537,7 @@ static int sur40_probe(struct usb_interface *interface,
int error;
/* Check if we really have the right interface. */
- iface_desc = &interface->altsetting[0];
+ iface_desc = interface->cur_altsetting;
if (iface_desc->desc.bInterfaceClass != 0xFF)
return -ENODEV;
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 0cabf31fb163..7eb76a1a2505 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -1729,7 +1729,7 @@ void bitmap_flush(struct mddev *mddev)
/*
* free memory that was allocated
*/
-void bitmap_free(struct bitmap *bitmap)
+void md_bitmap_free(struct bitmap *bitmap)
{
unsigned long k, pages;
struct bitmap_page *bp;
@@ -1763,7 +1763,7 @@ void bitmap_free(struct bitmap *bitmap)
kfree(bp);
kfree(bitmap);
}
-EXPORT_SYMBOL(bitmap_free);
+EXPORT_SYMBOL(md_bitmap_free);
void bitmap_wait_behind_writes(struct mddev *mddev)
{
@@ -1796,7 +1796,7 @@ void bitmap_destroy(struct mddev *mddev)
if (mddev->thread)
mddev->thread->timeout = MAX_SCHEDULE_TIMEOUT;
- bitmap_free(bitmap);
+ md_bitmap_free(bitmap);
}
/*
@@ -1887,7 +1887,7 @@ struct bitmap *bitmap_create(struct mddev *mddev, int slot)
return bitmap;
error:
- bitmap_free(bitmap);
+ md_bitmap_free(bitmap);
return ERR_PTR(err);
}
@@ -1958,7 +1958,7 @@ struct bitmap *get_bitmap_from_slot(struct mddev *mddev, int slot)
rv = bitmap_init_from_disk(bitmap, 0);
if (rv) {
- bitmap_free(bitmap);
+ md_bitmap_free(bitmap);
return ERR_PTR(rv);
}
diff --git a/drivers/md/bitmap.h b/drivers/md/bitmap.h
index 5df35ca90f58..dd53a978c5f2 100644
--- a/drivers/md/bitmap.h
+++ b/drivers/md/bitmap.h
@@ -271,7 +271,7 @@ int bitmap_resize(struct bitmap *bitmap, sector_t blocks,
struct bitmap *get_bitmap_from_slot(struct mddev *mddev, int slot);
int bitmap_copy_from_slot(struct mddev *mddev, int slot,
sector_t *lo, sector_t *hi, bool clear_bits);
-void bitmap_free(struct bitmap *bitmap);
+void md_bitmap_free(struct bitmap *bitmap);
void bitmap_wait_behind_writes(struct mddev *mddev);
#endif
diff --git a/drivers/md/md-cluster.c b/drivers/md/md-cluster.c
index 717aaffc227d..10057ac85476 100644
--- a/drivers/md/md-cluster.c
+++ b/drivers/md/md-cluster.c
@@ -1128,7 +1128,7 @@ int cluster_check_sync_size(struct mddev *mddev)
bm_lockres = lockres_init(mddev, str, NULL, 1);
if (!bm_lockres) {
pr_err("md-cluster: Cannot initialize %s\n", str);
- bitmap_free(bitmap);
+ md_bitmap_free(bitmap);
return -1;
}
bm_lockres->flags |= DLM_LKF_NOQUEUE;
@@ -1142,11 +1142,11 @@ int cluster_check_sync_size(struct mddev *mddev)
sync_size = sb->sync_size;
else if (sync_size != sb->sync_size) {
kunmap_atomic(sb);
- bitmap_free(bitmap);
+ md_bitmap_free(bitmap);
return -1;
}
kunmap_atomic(sb);
- bitmap_free(bitmap);
+ md_bitmap_free(bitmap);
}
return (my_sync_size == sync_size) ? 0 : -1;
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index 7cafc8a57950..8eb52139684a 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -1496,12 +1496,12 @@ static int v4l_s_fmt(const struct v4l2_ioctl_ops *ops,
case V4L2_BUF_TYPE_VBI_CAPTURE:
if (unlikely(!ops->vidioc_s_fmt_vbi_cap))
break;
- CLEAR_AFTER_FIELD(p, fmt.vbi);
+ CLEAR_AFTER_FIELD(p, fmt.vbi.flags);
return ops->vidioc_s_fmt_vbi_cap(file, fh, arg);
case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
if (unlikely(!ops->vidioc_s_fmt_sliced_vbi_cap))
break;
- CLEAR_AFTER_FIELD(p, fmt.sliced);
+ CLEAR_AFTER_FIELD(p, fmt.sliced.io_size);
return ops->vidioc_s_fmt_sliced_vbi_cap(file, fh, arg);
case V4L2_BUF_TYPE_VIDEO_OUTPUT:
if (unlikely(!ops->vidioc_s_fmt_vid_out))
@@ -1524,22 +1524,22 @@ static int v4l_s_fmt(const struct v4l2_ioctl_ops *ops,
case V4L2_BUF_TYPE_VBI_OUTPUT:
if (unlikely(!ops->vidioc_s_fmt_vbi_out))
break;
- CLEAR_AFTER_FIELD(p, fmt.vbi);
+ CLEAR_AFTER_FIELD(p, fmt.vbi.flags);
return ops->vidioc_s_fmt_vbi_out(file, fh, arg);
case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
if (unlikely(!ops->vidioc_s_fmt_sliced_vbi_out))
break;
- CLEAR_AFTER_FIELD(p, fmt.sliced);
+ CLEAR_AFTER_FIELD(p, fmt.sliced.io_size);
return ops->vidioc_s_fmt_sliced_vbi_out(file, fh, arg);
case V4L2_BUF_TYPE_SDR_CAPTURE:
if (unlikely(!ops->vidioc_s_fmt_sdr_cap))
break;
- CLEAR_AFTER_FIELD(p, fmt.sdr);
+ CLEAR_AFTER_FIELD(p, fmt.sdr.buffersize);
return ops->vidioc_s_fmt_sdr_cap(file, fh, arg);
case V4L2_BUF_TYPE_SDR_OUTPUT:
if (unlikely(!ops->vidioc_s_fmt_sdr_out))
break;
- CLEAR_AFTER_FIELD(p, fmt.sdr);
+ CLEAR_AFTER_FIELD(p, fmt.sdr.buffersize);
return ops->vidioc_s_fmt_sdr_out(file, fh, arg);
case V4L2_BUF_TYPE_META_CAPTURE:
if (unlikely(!ops->vidioc_s_fmt_meta_cap))
@@ -1583,12 +1583,12 @@ static int v4l_try_fmt(const struct v4l2_ioctl_ops *ops,
case V4L2_BUF_TYPE_VBI_CAPTURE:
if (unlikely(!ops->vidioc_try_fmt_vbi_cap))
break;
- CLEAR_AFTER_FIELD(p, fmt.vbi);
+ CLEAR_AFTER_FIELD(p, fmt.vbi.flags);
return ops->vidioc_try_fmt_vbi_cap(file, fh, arg);
case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
if (unlikely(!ops->vidioc_try_fmt_sliced_vbi_cap))
break;
- CLEAR_AFTER_FIELD(p, fmt.sliced);
+ CLEAR_AFTER_FIELD(p, fmt.sliced.io_size);
return ops->vidioc_try_fmt_sliced_vbi_cap(file, fh, arg);
case V4L2_BUF_TYPE_VIDEO_OUTPUT:
if (unlikely(!ops->vidioc_try_fmt_vid_out))
@@ -1611,22 +1611,22 @@ static int v4l_try_fmt(const struct v4l2_ioctl_ops *ops,
case V4L2_BUF_TYPE_VBI_OUTPUT:
if (unlikely(!ops->vidioc_try_fmt_vbi_out))
break;
- CLEAR_AFTER_FIELD(p, fmt.vbi);
+ CLEAR_AFTER_FIELD(p, fmt.vbi.flags);
return ops->vidioc_try_fmt_vbi_out(file, fh, arg);
case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
if (unlikely(!ops->vidioc_try_fmt_sliced_vbi_out))
break;
- CLEAR_AFTER_FIELD(p, fmt.sliced);
+ CLEAR_AFTER_FIELD(p, fmt.sliced.io_size);
return ops->vidioc_try_fmt_sliced_vbi_out(file, fh, arg);
case V4L2_BUF_TYPE_SDR_CAPTURE:
if (unlikely(!ops->vidioc_try_fmt_sdr_cap))
break;
- CLEAR_AFTER_FIELD(p, fmt.sdr);
+ CLEAR_AFTER_FIELD(p, fmt.sdr.buffersize);
return ops->vidioc_try_fmt_sdr_cap(file, fh, arg);
case V4L2_BUF_TYPE_SDR_OUTPUT:
if (unlikely(!ops->vidioc_try_fmt_sdr_out))
break;
- CLEAR_AFTER_FIELD(p, fmt.sdr);
+ CLEAR_AFTER_FIELD(p, fmt.sdr.buffersize);
return ops->vidioc_try_fmt_sdr_out(file, fh, arg);
case V4L2_BUF_TYPE_META_CAPTURE:
if (unlikely(!ops->vidioc_try_fmt_meta_cap))
diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c
index ce3f344d2b66..d2b0a62bfce1 100644
--- a/drivers/mmc/host/sdhci-tegra.c
+++ b/drivers/mmc/host/sdhci-tegra.c
@@ -177,7 +177,7 @@ static void tegra_sdhci_reset(struct sdhci_host *host, u8 mask)
misc_ctrl |= SDHCI_MISC_CTRL_ENABLE_DDR50;
if (soc_data->nvquirks & NVQUIRK_ENABLE_SDR104)
misc_ctrl |= SDHCI_MISC_CTRL_ENABLE_SDR104;
- if (soc_data->nvquirks & SDHCI_MISC_CTRL_ENABLE_SDR50)
+ if (soc_data->nvquirks & NVQUIRK_ENABLE_SDR50)
clk_ctrl |= SDHCI_CLOCK_CTRL_SDR50_TUNING_OVERRIDE;
}
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 645775dd4edb..4f1c884c0b50 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -3592,11 +3592,13 @@ int sdhci_setup_host(struct sdhci_host *host)
if (host->ops->get_min_clock)
mmc->f_min = host->ops->get_min_clock(host);
else if (host->version >= SDHCI_SPEC_300) {
- if (host->clk_mul) {
- mmc->f_min = (host->max_clk * host->clk_mul) / 1024;
+ if (host->clk_mul)
max_clk = host->max_clk * host->clk_mul;
- } else
- mmc->f_min = host->max_clk / SDHCI_MAX_DIV_SPEC_300;
+ /*
+ * Divided Clock Mode minimum clock rate is always less than
+ * Programmable Clock Mode minimum clock rate.
+ */
+ mmc->f_min = host->max_clk / SDHCI_MAX_DIV_SPEC_300;
} else
mmc->f_min = host->max_clk / SDHCI_MAX_DIV_SPEC_200;
diff --git a/drivers/net/can/slcan.c b/drivers/net/can/slcan.c
index a42737b4ac79..35564a9561b7 100644
--- a/drivers/net/can/slcan.c
+++ b/drivers/net/can/slcan.c
@@ -343,9 +343,16 @@ static void slcan_transmit(struct work_struct *work)
*/
static void slcan_write_wakeup(struct tty_struct *tty)
{
- struct slcan *sl = tty->disc_data;
+ struct slcan *sl;
+
+ rcu_read_lock();
+ sl = rcu_dereference(tty->disc_data);
+ if (!sl)
+ goto out;
schedule_work(&sl->tx_work);
+out:
+ rcu_read_unlock();
}
/* Send a can_frame to a TTY queue. */
@@ -640,10 +647,11 @@ static void slcan_close(struct tty_struct *tty)
return;
spin_lock_bh(&sl->lock);
- tty->disc_data = NULL;
+ rcu_assign_pointer(tty->disc_data, NULL);
sl->tty = NULL;
spin_unlock_bh(&sl->lock);
+ synchronize_rcu();
flush_work(&sl->tx_work);
/* Flush network side */
diff --git a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c
index 338683e5ef1e..b8779afb8550 100644
--- a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c
@@ -2449,6 +2449,8 @@ static int cxgb_extension_ioctl(struct net_device *dev, void __user *useraddr)
if (!is_offload(adapter))
return -EOPNOTSUPP;
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
if (!(adapter->flags & FULL_INIT_DONE))
return -EIO; /* need the memory controllers */
if (copy_from_user(&t, useraddr, sizeof(t)))
diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c
index 25be27826a22..3840f21dd635 100644
--- a/drivers/net/gtp.c
+++ b/drivers/net/gtp.c
@@ -807,19 +807,21 @@ static struct sock *gtp_encap_enable_socket(int fd, int type,
return NULL;
}
- if (sock->sk->sk_protocol != IPPROTO_UDP) {
+ sk = sock->sk;
+ if (sk->sk_protocol != IPPROTO_UDP ||
+ sk->sk_type != SOCK_DGRAM ||
+ (sk->sk_family != AF_INET && sk->sk_family != AF_INET6)) {
pr_debug("socket fd=%d not UDP\n", fd);
sk = ERR_PTR(-EINVAL);
goto out_sock;
}
- lock_sock(sock->sk);
- if (sock->sk->sk_user_data) {
+ lock_sock(sk);
+ if (sk->sk_user_data) {
sk = ERR_PTR(-EBUSY);
goto out_rel_sock;
}
- sk = sock->sk;
sock_hold(sk);
tuncfg.sk_user_data = gtp;
diff --git a/drivers/net/slip/slip.c b/drivers/net/slip/slip.c
index d6dc00b4ba55..b07f367abd91 100644
--- a/drivers/net/slip/slip.c
+++ b/drivers/net/slip/slip.c
@@ -452,9 +452,16 @@ static void slip_transmit(struct work_struct *work)
*/
static void slip_write_wakeup(struct tty_struct *tty)
{
- struct slip *sl = tty->disc_data;
+ struct slip *sl;
+
+ rcu_read_lock();
+ sl = rcu_dereference(tty->disc_data);
+ if (!sl)
+ goto out;
schedule_work(&sl->tx_work);
+out:
+ rcu_read_unlock();
}
static void sl_tx_timeout(struct net_device *dev)
@@ -886,10 +893,11 @@ static void slip_close(struct tty_struct *tty)
return;
spin_lock_bh(&sl->lock);
- tty->disc_data = NULL;
+ rcu_assign_pointer(tty->disc_data, NULL);
sl->tty = NULL;
spin_unlock_bh(&sl->lock);
+ synchronize_rcu();
flush_work(&sl->tx_work);
/* VSV = very important to remove timers */
diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index ee7194a9e231..b179a96ea08c 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -31,6 +31,7 @@
#include <linux/mdio.h>
#include <linux/phy.h>
#include <net/ip6_checksum.h>
+#include <net/vxlan.h>
#include <linux/interrupt.h>
#include <linux/irqdomain.h>
#include <linux/irq.h>
@@ -3525,6 +3526,19 @@ static void lan78xx_tx_timeout(struct net_device *net)
tasklet_schedule(&dev->bh);
}
+static netdev_features_t lan78xx_features_check(struct sk_buff *skb,
+ struct net_device *netdev,
+ netdev_features_t features)
+{
+ if (skb->len + TX_OVERHEAD > MAX_SINGLE_PACKET_SIZE)
+ features &= ~NETIF_F_GSO_MASK;
+
+ features = vlan_features_check(skb, features);
+ features = vxlan_features_check(skb, features);
+
+ return features;
+}
+
static const struct net_device_ops lan78xx_netdev_ops = {
.ndo_open = lan78xx_open,
.ndo_stop = lan78xx_stop,
@@ -3538,6 +3552,7 @@ static const struct net_device_ops lan78xx_netdev_ops = {
.ndo_set_features = lan78xx_set_features,
.ndo_vlan_rx_add_vid = lan78xx_vlan_rx_add_vid,
.ndo_vlan_rx_kill_vid = lan78xx_vlan_rx_kill_vid,
+ .ndo_features_check = lan78xx_features_check,
};
static void lan78xx_stat_monitor(unsigned long param)
diff --git a/drivers/net/wireless/marvell/libertas/cfg.c b/drivers/net/wireless/marvell/libertas/cfg.c
index 9f3a7b512673..4ffc188d2ffd 100644
--- a/drivers/net/wireless/marvell/libertas/cfg.c
+++ b/drivers/net/wireless/marvell/libertas/cfg.c
@@ -273,6 +273,10 @@ add_ie_rates(u8 *tlv, const u8 *ie, int *nrates)
int hw, ap, ap_max = ie[1];
u8 hw_rate;
+ if (ap_max > MAX_RATES) {
+ lbs_deb_assoc("invalid rates\n");
+ return tlv;
+ }
/* Advance past IE header */
ie += 2;
@@ -1720,6 +1724,9 @@ static int lbs_ibss_join_existing(struct lbs_private *priv,
struct cmd_ds_802_11_ad_hoc_join cmd;
u8 preamble = RADIO_PREAMBLE_SHORT;
int ret = 0;
+ int hw, i;
+ u8 rates_max;
+ u8 *rates;
/* TODO: set preamble based on scan result */
ret = lbs_set_radio(priv, preamble, 1);
@@ -1778,9 +1785,12 @@ static int lbs_ibss_join_existing(struct lbs_private *priv,
if (!rates_eid) {
lbs_add_rates(cmd.bss.rates);
} else {
- int hw, i;
- u8 rates_max = rates_eid[1];
- u8 *rates = cmd.bss.rates;
+ rates_max = rates_eid[1];
+ if (rates_max > MAX_RATES) {
+ lbs_deb_join("invalid rates");
+ goto out;
+ }
+ rates = cmd.bss.rates;
for (hw = 0; hw < ARRAY_SIZE(lbs_rates); hw++) {
u8 hw_rate = lbs_rates[hw].bitrate / 5;
for (i = 0; i < rates_max; i++) {
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index b4d06bd9ed51..95d71e301a53 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -37,6 +37,8 @@
#define ISCSI_TRANSPORT_VERSION "2.0-870"
+#define ISCSI_SEND_MAX_ALLOWED 10
+
static int dbg_session;
module_param_named(debug_session, dbg_session, int,
S_IRUGO | S_IWUSR);
@@ -3680,6 +3682,7 @@ iscsi_if_rx(struct sk_buff *skb)
struct nlmsghdr *nlh;
struct iscsi_uevent *ev;
uint32_t group;
+ int retries = ISCSI_SEND_MAX_ALLOWED;
nlh = nlmsg_hdr(skb);
if (nlh->nlmsg_len < sizeof(*nlh) + sizeof(*ev) ||
@@ -3710,6 +3713,10 @@ iscsi_if_rx(struct sk_buff *skb)
break;
err = iscsi_if_send_reply(portid, nlh->nlmsg_type,
ev, sizeof(*ev));
+ if (err == -EAGAIN && --retries < 0) {
+ printk(KERN_WARNING "Send reply failed, error %d\n", err);
+ break;
+ }
} while (err < 0 && err != -ECONNREFUSED && err != -ESRCH);
skb_pull(skb, rlen);
}
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 2955b856e9ec..e8c2afbb82e9 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -1981,9 +1981,13 @@ static int sd_done(struct scsi_cmnd *SCpnt)
}
break;
case REQ_OP_ZONE_REPORT:
+ /* To avoid that the block layer performs an incorrect
+ * bio_advance() call and restart of the remainder of
+ * incomplete report zone BIOs, always indicate a full
+ * completion of REQ_OP_ZONE_REPORT.
+ */
if (!result) {
- good_bytes = scsi_bufflen(SCpnt)
- - scsi_get_resid(SCpnt);
+ good_bytes = scsi_bufflen(SCpnt);
scsi_set_resid(SCpnt, 0);
} else {
good_bytes = 0;
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 21ce92ee1652..37d64acea5e1 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -4155,9 +4155,6 @@ int iscsit_close_connection(
iscsit_stop_nopin_response_timer(conn);
iscsit_stop_nopin_timer(conn);
- if (conn->conn_transport->iscsit_wait_conn)
- conn->conn_transport->iscsit_wait_conn(conn);
-
/*
* During Connection recovery drop unacknowledged out of order
* commands for this connection, and prepare the other commands
@@ -4243,6 +4240,9 @@ int iscsit_close_connection(
target_sess_cmd_list_set_waiting(sess->se_sess);
target_wait_for_sess_cmds(sess->se_sess);
+ if (conn->conn_transport->iscsit_wait_conn)
+ conn->conn_transport->iscsit_wait_conn(conn);
+
ahash_request_free(conn->conn_tx_hash);
if (conn->conn_rx_hash) {
struct crypto_ahash *tfm;
diff --git a/fs/namei.c b/fs/namei.c
index d1e467b7b9de..d648d6d2b635 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1023,7 +1023,8 @@ static int may_linkat(struct path *link)
* may_create_in_sticky - Check whether an O_CREAT open in a sticky directory
* should be allowed, or not, on files that already
* exist.
- * @dir: the sticky parent directory
+ * @dir_mode: mode bits of directory
+ * @dir_uid: owner of directory
* @inode: the inode of the file to open
*
* Block an O_CREAT open of a FIFO (or a regular file) when:
@@ -1039,18 +1040,18 @@ static int may_linkat(struct path *link)
*
* Returns 0 if the open is allowed, -ve on error.
*/
-static int may_create_in_sticky(struct dentry * const dir,
+static int may_create_in_sticky(umode_t dir_mode, kuid_t dir_uid,
struct inode * const inode)
{
if ((!sysctl_protected_fifos && S_ISFIFO(inode->i_mode)) ||
(!sysctl_protected_regular && S_ISREG(inode->i_mode)) ||
- likely(!(dir->d_inode->i_mode & S_ISVTX)) ||
- uid_eq(inode->i_uid, dir->d_inode->i_uid) ||
+ likely(!(dir_mode & S_ISVTX)) ||
+ uid_eq(inode->i_uid, dir_uid) ||
uid_eq(current_fsuid(), inode->i_uid))
return 0;
- if (likely(dir->d_inode->i_mode & 0002) ||
- (dir->d_inode->i_mode & 0020 &&
+ if (likely(dir_mode & 0002) ||
+ (dir_mode & 0020 &&
((sysctl_protected_fifos >= 2 && S_ISFIFO(inode->i_mode)) ||
(sysctl_protected_regular >= 2 && S_ISREG(inode->i_mode))))) {
return -EACCES;
@@ -3265,6 +3266,8 @@ static int do_last(struct nameidata *nd,
int *opened)
{
struct dentry *dir = nd->path.dentry;
+ kuid_t dir_uid = dir->d_inode->i_uid;
+ umode_t dir_mode = dir->d_inode->i_mode;
int open_flag = op->open_flag;
bool will_truncate = (open_flag & O_TRUNC) != 0;
bool got_write = false;
@@ -3400,7 +3403,7 @@ static int do_last(struct nameidata *nd,
error = -EISDIR;
if (d_is_dir(nd->path.dentry))
goto out;
- error = may_create_in_sticky(dir,
+ error = may_create_in_sticky(dir_mode, dir_uid,
d_backing_inode(nd->path.dentry));
if (unlikely(error))
goto out;
diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h
index aec255fb62aa..10a4dd02221d 100644
--- a/include/linux/bitmap.h
+++ b/include/linux/bitmap.h
@@ -86,6 +86,14 @@
* contain all bit positions from 0 to 'bits' - 1.
*/
+/*
+ * Allocation and deallocation of bitmap.
+ * Provided in lib/bitmap.c to avoid circular dependency.
+ */
+extern unsigned long *bitmap_alloc(unsigned int nbits, gfp_t flags);
+extern unsigned long *bitmap_zalloc(unsigned int nbits, gfp_t flags);
+extern void bitmap_free(const unsigned long *bitmap);
+
/*
* lib/bitmap.c provides these functions:
*/
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 8818291815bc..31fc54757bf2 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -3313,6 +3313,7 @@ int dev_set_alias(struct net_device *, const char *, size_t);
int dev_change_net_namespace(struct net_device *, struct net *, const char *);
int __dev_set_mtu(struct net_device *, int);
int dev_set_mtu(struct net_device *, int);
+int dev_validate_mtu(struct net_device *dev, int mtu);
void dev_set_group(struct net_device *, int);
int dev_set_mac_address(struct net_device *, struct sockaddr *);
int dev_change_carrier(struct net_device *, bool new_carrier);
diff --git a/include/linux/netfilter/ipset/ip_set.h b/include/linux/netfilter/ipset/ip_set.h
index 91a533bd3eb1..b7246b7e0bf4 100644
--- a/include/linux/netfilter/ipset/ip_set.h
+++ b/include/linux/netfilter/ipset/ip_set.h
@@ -445,13 +445,6 @@ ip6addrptr(const struct sk_buff *skb, bool src, struct in6_addr *addr)
sizeof(*addr));
}
-/* Calculate the bytes required to store the inclusive range of a-b */
-static inline int
-bitmap_bytes(u32 a, u32 b)
-{
- return 4 * ((((b - a + 8) / 8) + 3) / 4);
-}
-
#include <linux/netfilter/ipset/ip_set_timeout.h>
#include <linux/netfilter/ipset/ip_set_comment.h>
#include <linux/netfilter/ipset/ip_set_counter.h>
diff --git a/include/trace/events/xen.h b/include/trace/events/xen.h
index 2ec9064a2bb7..e5150fc67e91 100644
--- a/include/trace/events/xen.h
+++ b/include/trace/events/xen.h
@@ -66,7 +66,11 @@ TRACE_EVENT(xen_mc_callback,
TP_PROTO(xen_mc_callback_fn_t fn, void *data),
TP_ARGS(fn, data),
TP_STRUCT__entry(
- __field(xen_mc_callback_fn_t, fn)
+ /*
+ * Use field_struct to avoid is_signed_type()
+ * comparison of a function pointer.
+ */
+ __field_struct(xen_mc_callback_fn_t, fn)
__field(void *, data)
),
TP_fast_assign(
diff --git a/lib/bitmap.c b/lib/bitmap.c
index 2a9373ef4054..fbe38a83acb3 100644
--- a/lib/bitmap.c
+++ b/lib/bitmap.c
@@ -13,6 +13,7 @@
#include <linux/bitops.h>
#include <linux/bug.h>
#include <linux/kernel.h>
+#include <linux/slab.h>
#include <linux/string.h>
#include <linux/uaccess.h>
@@ -1212,3 +1213,22 @@ void bitmap_copy_le(unsigned long *dst, const unsigned long *src, unsigned int n
}
EXPORT_SYMBOL(bitmap_copy_le);
#endif
+
+unsigned long *bitmap_alloc(unsigned int nbits, gfp_t flags)
+{
+ return kmalloc_array(BITS_TO_LONGS(nbits), sizeof(unsigned long),
+ flags);
+}
+EXPORT_SYMBOL(bitmap_alloc);
+
+unsigned long *bitmap_zalloc(unsigned int nbits, gfp_t flags)
+{
+ return bitmap_alloc(nbits, flags | __GFP_ZERO);
+}
+EXPORT_SYMBOL(bitmap_zalloc);
+
+void bitmap_free(const unsigned long *bitmap)
+{
+ kfree(bitmap);
+}
+EXPORT_SYMBOL(bitmap_free);
diff --git a/net/core/dev.c b/net/core/dev.c
index f9f05b3df460..36d926d2d5f0 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -6896,18 +6896,9 @@ int dev_set_mtu(struct net_device *dev, int new_mtu)
if (new_mtu == dev->mtu)
return 0;
- /* MTU must be positive, and in range */
- if (new_mtu < 0 || new_mtu < dev->min_mtu) {
- net_err_ratelimited("%s: Invalid MTU %d requested, hw min %d\n",
- dev->name, new_mtu, dev->min_mtu);
- return -EINVAL;
- }
-
- if (dev->max_mtu > 0 && new_mtu > dev->max_mtu) {
- net_err_ratelimited("%s: Invalid MTU %d requested, hw max %d\n",
- dev->name, new_mtu, dev->max_mtu);
- return -EINVAL;
- }
+ err = dev_validate_mtu(dev, new_mtu);
+ if (err)
+ return err;
if (!netif_device_present(dev))
return -ENODEV;
@@ -7667,8 +7658,10 @@ int register_netdevice(struct net_device *dev)
goto err_uninit;
ret = netdev_register_kobject(dev);
- if (ret)
+ if (ret) {
+ dev->reg_state = NETREG_UNREGISTERED;
goto err_uninit;
+ }
dev->reg_state = NETREG_REGISTERED;
__netdev_update_features(dev);
@@ -7767,6 +7760,23 @@ int init_dummy_netdev(struct net_device *dev)
EXPORT_SYMBOL_GPL(init_dummy_netdev);
+int dev_validate_mtu(struct net_device *dev, int new_mtu)
+{
+ /* MTU must be positive, and in range */
+ if (new_mtu < 0 || new_mtu < dev->min_mtu) {
+ net_err_ratelimited("%s: Invalid MTU %d requested, hw min %d\n",
+ dev->name, new_mtu, dev->min_mtu);
+ return -EINVAL;
+ }
+
+ if (dev->max_mtu > 0 && new_mtu > dev->max_mtu) {
+ net_err_ratelimited("%s: Invalid MTU %d requested, hw max %d\n",
+ dev->name, new_mtu, dev->max_mtu);
+ return -EINVAL;
+ }
+ return 0;
+}
+
/**
* register_netdev - register a network device
* @dev: device to register
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index dee57c5ff738..baf771d2d088 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -911,25 +911,30 @@ static int rx_queue_add_kobject(struct net_device *dev, int index)
struct kobject *kobj = &queue->kobj;
int error = 0;
+ /* Kobject_put later will trigger rx_queue_release call which
+ * decreases dev refcount: Take that reference here
+ */
+ dev_hold(queue->dev);
+
kobj->kset = dev->queues_kset;
error = kobject_init_and_add(kobj, &rx_queue_ktype, NULL,
"rx-%u", index);
if (error)
- return error;
-
- dev_hold(queue->dev);
+ goto err;
if (dev->sysfs_rx_queue_group) {
error = sysfs_create_group(kobj, dev->sysfs_rx_queue_group);
- if (error) {
- kobject_put(kobj);
- return error;
- }
+ if (error)
+ goto err;
}
kobject_uevent(kobj, KOBJ_ADD);
return error;
+
+err:
+ kobject_put(kobj);
+ return error;
}
#endif /* CONFIG_SYSFS */
@@ -1322,25 +1327,29 @@ static int netdev_queue_add_kobject(struct net_device *dev, int index)
struct kobject *kobj = &queue->kobj;
int error = 0;
+ /* Kobject_put later will trigger netdev_queue_release call
+ * which decreases dev refcount: Take that reference here
+ */
+ dev_hold(queue->dev);
+
kobj->kset = dev->queues_kset;
error = kobject_init_and_add(kobj, &netdev_queue_ktype, NULL,
"tx-%u", index);
if (error)
- return error;
-
- dev_hold(queue->dev);
+ goto err;
#ifdef CONFIG_BQL
error = sysfs_create_group(kobj, &dql_group);
- if (error) {
- kobject_put(kobj);
- return error;
- }
+ if (error)
+ goto err;
#endif
kobject_uevent(kobj, KOBJ_ADD);
-
return 0;
+
+err:
+ kobject_put(kobj);
+ return error;
}
#endif /* CONFIG_SYSFS */
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index b598e9909fec..7c479c1ffd77 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -2466,8 +2466,17 @@ struct net_device *rtnl_create_link(struct net *net,
dev->rtnl_link_ops = ops;
dev->rtnl_link_state = RTNL_LINK_INITIALIZING;
- if (tb[IFLA_MTU])
- dev->mtu = nla_get_u32(tb[IFLA_MTU]);
+ if (tb[IFLA_MTU]) {
+ u32 mtu = nla_get_u32(tb[IFLA_MTU]);
+ int err;
+
+ err = dev_validate_mtu(dev, mtu);
+ if (err) {
+ free_netdev(dev);
+ return ERR_PTR(err);
+ }
+ dev->mtu = mtu;
+ }
if (tb[IFLA_ADDRESS]) {
memcpy(dev->dev_addr, nla_data(tb[IFLA_ADDRESS]),
nla_len(tb[IFLA_ADDRESS]));
diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
index f1784162acc2..404dc765f2bf 100644
--- a/net/ipv4/ip_tunnel.c
+++ b/net/ipv4/ip_tunnel.c
@@ -1202,10 +1202,8 @@ int ip_tunnel_init(struct net_device *dev)
iph->version = 4;
iph->ihl = 5;
- if (tunnel->collect_md) {
- dev->features |= NETIF_F_NETNS_LOCAL;
+ if (tunnel->collect_md)
netif_keep_dst(dev);
- }
return 0;
}
EXPORT_SYMBOL_GPL(ip_tunnel_init);
diff --git a/net/ipv4/tcp_bbr.c b/net/ipv4/tcp_bbr.c
index 06f247ca9197..434ad1e72447 100644
--- a/net/ipv4/tcp_bbr.c
+++ b/net/ipv4/tcp_bbr.c
@@ -678,8 +678,7 @@ static void bbr_update_bw(struct sock *sk, const struct rate_sample *rs)
* bandwidth sample. Delivered is in packets and interval_us in uS and
* ratio will be <<1 for most connections. So delivered is first scaled.
*/
- bw = (u64)rs->delivered * BW_UNIT;
- do_div(bw, rs->interval_us);
+ bw = div64_long((u64)rs->delivered * BW_UNIT, rs->interval_us);
/* If this sample is application-limited, it is likely to have a very
* low delivered count that represents application behavior rather than
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 5bc2788e6ba4..c2644405bab1 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -1878,10 +1878,8 @@ static int ip6_tnl_dev_init(struct net_device *dev)
if (err)
return err;
ip6_tnl_link_config(t);
- if (t->parms.collect_md) {
- dev->features |= NETIF_F_NETNS_LOCAL;
+ if (t->parms.collect_md)
netif_keep_dst(dev);
- }
return 0;
}
diff --git a/net/ipv6/seg6_local.c b/net/ipv6/seg6_local.c
index 825b8e01f947..9a01f72d907f 100644
--- a/net/ipv6/seg6_local.c
+++ b/net/ipv6/seg6_local.c
@@ -27,6 +27,7 @@
#include <net/addrconf.h>
#include <net/ip6_route.h>
#include <net/dst_cache.h>
+#include <net/ip_tunnels.h>
#ifdef CONFIG_IPV6_SEG6_HMAC
#include <net/seg6_hmac.h>
#endif
@@ -126,7 +127,8 @@ static bool decap_and_validate(struct sk_buff *skb, int proto)
skb_reset_network_header(skb);
skb_reset_transport_header(skb);
- skb->encapsulation = 0;
+ if (iptunnel_pull_offloads(skb))
+ return false;
return true;
}
diff --git a/net/netfilter/ipset/ip_set_bitmap_gen.h b/net/netfilter/ipset/ip_set_bitmap_gen.h
index b0701f6259cc..3c0e345367a5 100644
--- a/net/netfilter/ipset/ip_set_bitmap_gen.h
+++ b/net/netfilter/ipset/ip_set_bitmap_gen.h
@@ -79,7 +79,7 @@ mtype_flush(struct ip_set *set)
if (set->extensions & IPSET_EXT_DESTROY)
mtype_ext_cleanup(set);
- memset(map->members, 0, map->memsize);
+ bitmap_zero(map->members, map->elements);
set->elements = 0;
set->ext_size = 0;
}
diff --git a/net/netfilter/ipset/ip_set_bitmap_ip.c b/net/netfilter/ipset/ip_set_bitmap_ip.c
index 4783efff0bde..a4c104a4977f 100644
--- a/net/netfilter/ipset/ip_set_bitmap_ip.c
+++ b/net/netfilter/ipset/ip_set_bitmap_ip.c
@@ -40,7 +40,7 @@ MODULE_ALIAS("ip_set_bitmap:ip");
/* Type structure */
struct bitmap_ip {
- void *members; /* the set members */
+ unsigned long *members; /* the set members */
u32 first_ip; /* host byte order, included in range */
u32 last_ip; /* host byte order, included in range */
u32 elements; /* number of max elements in the set */
@@ -222,7 +222,7 @@ init_map_ip(struct ip_set *set, struct bitmap_ip *map,
u32 first_ip, u32 last_ip,
u32 elements, u32 hosts, u8 netmask)
{
- map->members = ip_set_alloc(map->memsize);
+ map->members = bitmap_zalloc(elements, GFP_KERNEL | __GFP_NOWARN);
if (!map->members)
return false;
map->first_ip = first_ip;
@@ -315,7 +315,7 @@ bitmap_ip_create(struct net *net, struct ip_set *set, struct nlattr *tb[],
if (!map)
return -ENOMEM;
- map->memsize = bitmap_bytes(0, elements - 1);
+ map->memsize = BITS_TO_LONGS(elements) * sizeof(unsigned long);
set->variant = &bitmap_ip;
if (!init_map_ip(set, map, first_ip, last_ip,
elements, hosts, netmask)) {
diff --git a/net/netfilter/ipset/ip_set_bitmap_ipmac.c b/net/netfilter/ipset/ip_set_bitmap_ipmac.c
index 9a065f672d3a..8e58e7e34981 100644
--- a/net/netfilter/ipset/ip_set_bitmap_ipmac.c
+++ b/net/netfilter/ipset/ip_set_bitmap_ipmac.c
@@ -46,7 +46,7 @@ enum {
/* Type structure */
struct bitmap_ipmac {
- void *members; /* the set members */
+ unsigned long *members; /* the set members */
u32 first_ip; /* host byte order, included in range */
u32 last_ip; /* host byte order, included in range */
u32 elements; /* number of max elements in the set */
@@ -299,7 +299,7 @@ static bool
init_map_ipmac(struct ip_set *set, struct bitmap_ipmac *map,
u32 first_ip, u32 last_ip, u32 elements)
{
- map->members = ip_set_alloc(map->memsize);
+ map->members = bitmap_zalloc(elements, GFP_KERNEL | __GFP_NOWARN);
if (!map->members)
return false;
map->first_ip = first_ip;
@@ -363,7 +363,7 @@ bitmap_ipmac_create(struct net *net, struct ip_set *set, struct nlattr *tb[],
if (!map)
return -ENOMEM;
- map->memsize = bitmap_bytes(0, elements - 1);
+ map->memsize = BITS_TO_LONGS(elements) * sizeof(unsigned long);
set->variant = &bitmap_ipmac;
if (!init_map_ipmac(set, map, first_ip, last_ip, elements)) {
kfree(map);
diff --git a/net/netfilter/ipset/ip_set_bitmap_port.c b/net/netfilter/ipset/ip_set_bitmap_port.c
index 7f0c733358a4..6771b362a123 100644
--- a/net/netfilter/ipset/ip_set_bitmap_port.c
+++ b/net/netfilter/ipset/ip_set_bitmap_port.c
@@ -34,7 +34,7 @@ MODULE_ALIAS("ip_set_bitmap:port");
/* Type structure */
struct bitmap_port {
- void *members; /* the set members */
+ unsigned long *members; /* the set members */
u16 first_port; /* host byte order, included in range */
u16 last_port; /* host byte order, included in range */
u32 elements; /* number of max elements in the set */
@@ -207,7 +207,7 @@ static bool
init_map_port(struct ip_set *set, struct bitmap_port *map,
u16 first_port, u16 last_port)
{
- map->members = ip_set_alloc(map->memsize);
+ map->members = bitmap_zalloc(map->elements, GFP_KERNEL | __GFP_NOWARN);
if (!map->members)
return false;
map->first_port = first_port;
@@ -250,7 +250,7 @@ bitmap_port_create(struct net *net, struct ip_set *set, struct nlattr *tb[],
return -ENOMEM;
map->elements = elements;
- map->memsize = bitmap_bytes(0, map->elements);
+ map->memsize = BITS_TO_LONGS(elements) * sizeof(unsigned long);
set->variant = &bitmap_port;
if (!init_map_port(set, map, first_port, last_port)) {
kfree(map);
diff --git a/net/sched/ematch.c b/net/sched/ematch.c
index 03b677bc0700..60f2354c1789 100644
--- a/net/sched/ematch.c
+++ b/net/sched/ematch.c
@@ -267,12 +267,12 @@ static int tcf_em_validate(struct tcf_proto *tp,
}
em->data = (unsigned long) v;
}
+ em->datalen = data_len;
}
}
em->matchid = em_hdr->matchid;
em->flags = em_hdr->flags;
- em->datalen = data_len;
em->net = net;
err = 0;
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index a156b6dc3a72..f4fa33b84cde 100644
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -764,6 +764,10 @@ static int x25_connect(struct socket *sock, struct sockaddr *uaddr,
if (sk->sk_state == TCP_ESTABLISHED)
goto out;
+ rc = -EALREADY; /* Do nothing if call is already in progress */
+ if (sk->sk_state == TCP_SYN_SENT)
+ goto out;
+
sk->sk_state = TCP_CLOSE;
sock->state = SS_UNCONNECTED;
@@ -810,7 +814,7 @@ static int x25_connect(struct socket *sock, struct sockaddr *uaddr,
/* Now the loop */
rc = -EINPROGRESS;
if (sk->sk_state != TCP_ESTABLISHED && (flags & O_NONBLOCK))
- goto out_put_neigh;
+ goto out;
rc = x25_wait_for_connection_establishment(sk);
if (rc)
diff --git a/scripts/recordmcount.c b/scripts/recordmcount.c
index 16e086dcc567..a4888e955466 100644
--- a/scripts/recordmcount.c
+++ b/scripts/recordmcount.c
@@ -53,6 +53,10 @@
#define R_AARCH64_ABS64 257
#endif
+#define R_ARM_PC24 1
+#define R_ARM_THM_CALL 10
+#define R_ARM_CALL 28
+
static int fd_map; /* File descriptor for file being modified. */
static int mmap_failed; /* Boolean flag. */
static char gpfx; /* prefix for global symbol name (sometimes '_') */
@@ -428,6 +432,18 @@ is_mcounted_section_name(char const *const txtname)
#define RECORD_MCOUNT_64
#include "recordmcount.h"
+static int arm_is_fake_mcount(Elf32_Rel const *rp)
+{
+ switch (ELF32_R_TYPE(w(rp->r_info))) {
+ case R_ARM_THM_CALL:
+ case R_ARM_CALL:
+ case R_ARM_PC24:
+ return 0;
+ }
+
+ return 1;
+}
+
/* 64-bit EM_MIPS has weird ELF64_Rela.r_info.
* http://techpubs.sgi.com/library/manuals/4000/007-4658-001/pdf/007-4658-001.pdf
* We interpret Table 29 Relocation Operation (Elf64_Rel, Elf64_Rela) [p.40]
@@ -529,6 +545,7 @@ do_file(char const *const fname)
altmcount = "__gnu_mcount_nc";
make_nop = make_nop_arm;
rel_type_nop = R_ARM_NONE;
+ is_fake_mcount32 = arm_is_fake_mcount;
break;
case EM_AARCH64:
reltype = R_AARCH64_ABS64;
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