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odroids: remove or adjust upstream patches

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This commit is contained in:
Igor Pecovnik 2021-02-16 08:41:15 +01:00
parent d28c170a23
commit d1e90ddaa9
12 changed files with 0 additions and 18615 deletions
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13
patch/kernel/meson64-legacy/patch-4.9.247-248.patch
View File

@ -604,19 +604,6 @@ index dcd56ac687482..585225fbe2933 100644
}
/* Zero out rmon counters */
diff --git a/drivers/net/usb/ipheth.c b/drivers/net/usb/ipheth.c
index 2b16a5fed9ded..0cf5324d493e8 100644
--- a/drivers/net/usb/ipheth.c
+++ b/drivers/net/usb/ipheth.c
@@ -70,7 +70,7 @@
#define IPHETH_USBINTF_SUBCLASS 253
#define IPHETH_USBINTF_PROTO 1
-#define IPHETH_BUF_SIZE 1516
+#define IPHETH_BUF_SIZE 1514
#define IPHETH_IP_ALIGN 2 /* padding at front of URB */
#define IPHETH_TX_TIMEOUT (5 * HZ)
diff --git a/drivers/pinctrl/intel/pinctrl-baytrail.c b/drivers/pinctrl/intel/pinctrl-baytrail.c
index 1e945aa77734b..fc51922839f82 100644
--- a/drivers/pinctrl/intel/pinctrl-baytrail.c

995
patch/kernel/odroidxu4-current/patch-5.4.87-88.patch
View File

@ -1,995 +0,0 @@
diff --git a/Makefile b/Makefile
index 71968b4bb313d..450ebe1528062 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 4
-SUBLEVEL = 87
+SUBLEVEL = 88
EXTRAVERSION =
NAME = Kleptomaniac Octopus
diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c
index ff366c2f58c18..303bc3e601a1c 100644
--- a/drivers/dma/at_hdmac.c
+++ b/drivers/dma/at_hdmac.c
@@ -1673,9 +1673,11 @@ static struct dma_chan *at_dma_xlate(struct of_phandle_args *dma_spec,
dma_cap_zero(mask);
dma_cap_set(DMA_SLAVE, mask);
- atslave = kzalloc(sizeof(*atslave), GFP_KERNEL);
- if (!atslave)
+ atslave = kmalloc(sizeof(*atslave), GFP_KERNEL);
+ if (!atslave) {
+ put_device(&dmac_pdev->dev);
return NULL;
+ }
atslave->cfg = ATC_DST_H2SEL_HW | ATC_SRC_H2SEL_HW;
/*
@@ -1704,8 +1706,11 @@ static struct dma_chan *at_dma_xlate(struct of_phandle_args *dma_spec,
atslave->dma_dev = &dmac_pdev->dev;
chan = dma_request_channel(mask, at_dma_filter, atslave);
- if (!chan)
+ if (!chan) {
+ put_device(&dmac_pdev->dev);
+ kfree(atslave);
return NULL;
+ }
atchan = to_at_dma_chan(chan);
atchan->per_if = dma_spec->args[0] & 0xff;
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 09410971615c4..d2dd387c95d86 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1434,8 +1434,7 @@ amdgpu_dm_update_connector_after_detect(struct amdgpu_dm_connector *aconnector)
drm_connector_update_edid_property(connector,
aconnector->edid);
- aconnector->num_modes = drm_add_edid_modes(connector, aconnector->edid);
- drm_connector_list_update(connector);
+ drm_add_edid_modes(connector, aconnector->edid);
if (aconnector->dc_link->aux_mode)
drm_dp_cec_set_edid(&aconnector->dm_dp_aux.aux,
diff --git a/drivers/iio/imu/bmi160/bmi160.h b/drivers/iio/imu/bmi160/bmi160.h
index 621f5309d735a..431f10c2b951d 100644
--- a/drivers/iio/imu/bmi160/bmi160.h
+++ b/drivers/iio/imu/bmi160/bmi160.h
@@ -7,6 +7,13 @@
struct bmi160_data {
struct regmap *regmap;
struct iio_trigger *trig;
+ /*
+ * Ensure natural alignment for timestamp if present.
+ * Max length needed: 2 * 3 channels + 4 bytes padding + 8 byte ts.
+ * If fewer channels are enabled, less space may be needed, as
+ * long as the timestamp is still aligned to 8 bytes.
+ */
+ __le16 buf[12] __aligned(8);
};
extern const struct regmap_config bmi160_regmap_config;
diff --git a/drivers/iio/imu/bmi160/bmi160_core.c b/drivers/iio/imu/bmi160/bmi160_core.c
index a5994899e3965..088694c82327a 100644
--- a/drivers/iio/imu/bmi160/bmi160_core.c
+++ b/drivers/iio/imu/bmi160/bmi160_core.c
@@ -411,8 +411,6 @@ static irqreturn_t bmi160_trigger_handler(int irq, void *p)
struct iio_poll_func *pf = p;
struct iio_dev *indio_dev = pf->indio_dev;
struct bmi160_data *data = iio_priv(indio_dev);
- __le16 buf[12];
- /* 2 sens x 3 axis x __le16 + 2 x __le16 pad + 4 x __le16 tstamp */
int i, ret, j = 0, base = BMI160_REG_DATA_MAGN_XOUT_L;
__le16 sample;
@@ -422,10 +420,10 @@ static irqreturn_t bmi160_trigger_handler(int irq, void *p)
&sample, sizeof(sample));
if (ret)
goto done;
- buf[j++] = sample;
+ data->buf[j++] = sample;
}
- iio_push_to_buffers_with_timestamp(indio_dev, buf, pf->timestamp);
+ iio_push_to_buffers_with_timestamp(indio_dev, data->buf, pf->timestamp);
done:
iio_trigger_notify_done(indio_dev->trig);
return IRQ_HANDLED;
diff --git a/drivers/mtd/nand/spi/core.c b/drivers/mtd/nand/spi/core.c
index 671700af91804..0d21c68bfe245 100644
--- a/drivers/mtd/nand/spi/core.c
+++ b/drivers/mtd/nand/spi/core.c
@@ -317,10 +317,6 @@ static int spinand_write_to_cache_op(struct spinand_device *spinand,
buf += ret;
}
- if (req->ooblen)
- memcpy(req->oobbuf.in, spinand->oobbuf + req->ooboffs,
- req->ooblen);
-
return 0;
}
diff --git a/drivers/net/wireless/marvell/mwifiex/join.c b/drivers/net/wireless/marvell/mwifiex/join.c
index d87aeff70cefb..c2cb1e711c06e 100644
--- a/drivers/net/wireless/marvell/mwifiex/join.c
+++ b/drivers/net/wireless/marvell/mwifiex/join.c
@@ -877,6 +877,8 @@ mwifiex_cmd_802_11_ad_hoc_start(struct mwifiex_private *priv,
memset(adhoc_start->ssid, 0, IEEE80211_MAX_SSID_LEN);
+ if (req_ssid->ssid_len > IEEE80211_MAX_SSID_LEN)
+ req_ssid->ssid_len = IEEE80211_MAX_SSID_LEN;
memcpy(adhoc_start->ssid, req_ssid->ssid, req_ssid->ssid_len);
mwifiex_dbg(adapter, INFO, "info: ADHOC_S_CMD: SSID = %s\n",
diff --git a/fs/exec.c b/fs/exec.c
index 2441eb1a1e2d0..1b4d2206d53a1 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1009,8 +1009,8 @@ EXPORT_SYMBOL(read_code);
/*
* Maps the mm_struct mm into the current task struct.
- * On success, this function returns with the mutex
- * exec_update_mutex locked.
+ * On success, this function returns with exec_update_lock
+ * held for writing.
*/
static int exec_mmap(struct mm_struct *mm)
{
@@ -1023,7 +1023,7 @@ static int exec_mmap(struct mm_struct *mm)
old_mm = current->mm;
exec_mm_release(tsk, old_mm);
- ret = mutex_lock_killable(&tsk->signal->exec_update_mutex);
+ ret = down_write_killable(&tsk->signal->exec_update_lock);
if (ret)
return ret;
@@ -1038,7 +1038,7 @@ static int exec_mmap(struct mm_struct *mm)
down_read(&old_mm->mmap_sem);
if (unlikely(old_mm->core_state)) {
up_read(&old_mm->mmap_sem);
- mutex_unlock(&tsk->signal->exec_update_mutex);
+ up_write(&tsk->signal->exec_update_lock);
return -EINTR;
}
}
@@ -1450,7 +1450,7 @@ static void free_bprm(struct linux_binprm *bprm)
free_arg_pages(bprm);
if (bprm->cred) {
if (bprm->called_exec_mmap)
- mutex_unlock(&current->signal->exec_update_mutex);
+ up_write(&current->signal->exec_update_lock);
mutex_unlock(&current->signal->cred_guard_mutex);
abort_creds(bprm->cred);
}
@@ -1500,7 +1500,7 @@ void install_exec_creds(struct linux_binprm *bprm)
* credentials; any time after this it may be unlocked.
*/
security_bprm_committed_creds(bprm);
- mutex_unlock(&current->signal->exec_update_mutex);
+ up_write(&current->signal->exec_update_lock);
mutex_unlock(&current->signal->cred_guard_mutex);
}
EXPORT_SYMBOL(install_exec_creds);
diff --git a/fs/fuse/acl.c b/fs/fuse/acl.c
index 5a48cee6d7d33..f529075a2ce87 100644
--- a/fs/fuse/acl.c
+++ b/fs/fuse/acl.c
@@ -19,6 +19,9 @@ struct posix_acl *fuse_get_acl(struct inode *inode, int type)
void *value = NULL;
struct posix_acl *acl;
+ if (fuse_is_bad(inode))
+ return ERR_PTR(-EIO);
+
if (!fc->posix_acl || fc->no_getxattr)
return NULL;
@@ -53,6 +56,9 @@ int fuse_set_acl(struct inode *inode, struct posix_acl *acl, int type)
const char *name;
int ret;
+ if (fuse_is_bad(inode))
+ return -EIO;
+
if (!fc->posix_acl || fc->no_setxattr)
return -EOPNOTSUPP;
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index ee190119f45cc..60378f3baaae1 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -201,7 +201,7 @@ static int fuse_dentry_revalidate(struct dentry *entry, unsigned int flags)
int ret;
inode = d_inode_rcu(entry);
- if (inode && is_bad_inode(inode))
+ if (inode && fuse_is_bad(inode))
goto invalid;
else if (time_before64(fuse_dentry_time(entry), get_jiffies_64()) ||
(flags & LOOKUP_REVAL)) {
@@ -386,6 +386,9 @@ static struct dentry *fuse_lookup(struct inode *dir, struct dentry *entry,
bool outarg_valid = true;
bool locked;
+ if (fuse_is_bad(dir))
+ return ERR_PTR(-EIO);
+
locked = fuse_lock_inode(dir);
err = fuse_lookup_name(dir->i_sb, get_node_id(dir), &entry->d_name,
&outarg, &inode);
@@ -529,6 +532,9 @@ static int fuse_atomic_open(struct inode *dir, struct dentry *entry,
struct fuse_conn *fc = get_fuse_conn(dir);
struct dentry *res = NULL;
+ if (fuse_is_bad(dir))
+ return -EIO;
+
if (d_in_lookup(entry)) {
res = fuse_lookup(dir, entry, 0);
if (IS_ERR(res))
@@ -577,6 +583,9 @@ static int create_new_entry(struct fuse_conn *fc, struct fuse_args *args,
int err;
struct fuse_forget_link *forget;
+ if (fuse_is_bad(dir))
+ return -EIO;
+
forget = fuse_alloc_forget();
if (!forget)
return -ENOMEM;
@@ -704,6 +713,9 @@ static int fuse_unlink(struct inode *dir, struct dentry *entry)
struct fuse_conn *fc = get_fuse_conn(dir);
FUSE_ARGS(args);
+ if (fuse_is_bad(dir))
+ return -EIO;
+
args.opcode = FUSE_UNLINK;
args.nodeid = get_node_id(dir);
args.in_numargs = 1;
@@ -740,6 +752,9 @@ static int fuse_rmdir(struct inode *dir, struct dentry *entry)
struct fuse_conn *fc = get_fuse_conn(dir);
FUSE_ARGS(args);
+ if (fuse_is_bad(dir))
+ return -EIO;
+
args.opcode = FUSE_RMDIR;
args.nodeid = get_node_id(dir);
args.in_numargs = 1;
@@ -818,6 +833,9 @@ static int fuse_rename2(struct inode *olddir, struct dentry *oldent,
struct fuse_conn *fc = get_fuse_conn(olddir);
int err;
+ if (fuse_is_bad(olddir))
+ return -EIO;
+
if (flags & ~(RENAME_NOREPLACE | RENAME_EXCHANGE))
return -EINVAL;
@@ -953,7 +971,7 @@ static int fuse_do_getattr(struct inode *inode, struct kstat *stat,
if (!err) {
if (fuse_invalid_attr(&outarg.attr) ||
(inode->i_mode ^ outarg.attr.mode) & S_IFMT) {
- make_bad_inode(inode);
+ fuse_make_bad(inode);
err = -EIO;
} else {
fuse_change_attributes(inode, &outarg.attr,
@@ -1155,6 +1173,9 @@ static int fuse_permission(struct inode *inode, int mask)
bool refreshed = false;
int err = 0;
+ if (fuse_is_bad(inode))
+ return -EIO;
+
if (!fuse_allow_current_process(fc))
return -EACCES;
@@ -1250,7 +1271,7 @@ static const char *fuse_get_link(struct dentry *dentry, struct inode *inode,
int err;
err = -EIO;
- if (is_bad_inode(inode))
+ if (fuse_is_bad(inode))
goto out_err;
if (fc->cache_symlinks)
@@ -1298,7 +1319,7 @@ static int fuse_dir_fsync(struct file *file, loff_t start, loff_t end,
struct fuse_conn *fc = get_fuse_conn(inode);
int err;
- if (is_bad_inode(inode))
+ if (fuse_is_bad(inode))
return -EIO;
if (fc->no_fsyncdir)
@@ -1575,7 +1596,7 @@ int fuse_do_setattr(struct dentry *dentry, struct iattr *attr,
if (fuse_invalid_attr(&outarg.attr) ||
(inode->i_mode ^ outarg.attr.mode) & S_IFMT) {
- make_bad_inode(inode);
+ fuse_make_bad(inode);
err = -EIO;
goto error;
}
@@ -1631,6 +1652,9 @@ static int fuse_setattr(struct dentry *entry, struct iattr *attr)
struct file *file = (attr->ia_valid & ATTR_FILE) ? attr->ia_file : NULL;
int ret;
+ if (fuse_is_bad(inode))
+ return -EIO;
+
if (!fuse_allow_current_process(get_fuse_conn(inode)))
return -EACCES;
@@ -1689,6 +1713,9 @@ static int fuse_getattr(const struct path *path, struct kstat *stat,
struct inode *inode = d_inode(path->dentry);
struct fuse_conn *fc = get_fuse_conn(inode);
+ if (fuse_is_bad(inode))
+ return -EIO;
+
if (!fuse_allow_current_process(fc))
return -EACCES;
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index ab4fc1255aca8..1e1aef1bc20b3 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -222,6 +222,9 @@ int fuse_open_common(struct inode *inode, struct file *file, bool isdir)
fc->atomic_o_trunc &&
fc->writeback_cache;
+ if (fuse_is_bad(inode))
+ return -EIO;
+
err = generic_file_open(inode, file);
if (err)
return err;
@@ -443,7 +446,7 @@ static int fuse_flush(struct file *file, fl_owner_t id)
FUSE_ARGS(args);
int err;
- if (is_bad_inode(inode))
+ if (fuse_is_bad(inode))
return -EIO;
if (fc->no_flush)
@@ -506,7 +509,7 @@ static int fuse_fsync(struct file *file, loff_t start, loff_t end,
struct fuse_conn *fc = get_fuse_conn(inode);
int err;
- if (is_bad_inode(inode))
+ if (fuse_is_bad(inode))
return -EIO;
inode_lock(inode);
@@ -830,7 +833,7 @@ static int fuse_readpage(struct file *file, struct page *page)
int err;
err = -EIO;
- if (is_bad_inode(inode))
+ if (fuse_is_bad(inode))
goto out;
err = fuse_do_readpage(file, page);
@@ -973,7 +976,7 @@ static int fuse_readpages(struct file *file, struct address_space *mapping,
int err;
err = -EIO;
- if (is_bad_inode(inode))
+ if (fuse_is_bad(inode))
goto out;
data.file = file;
@@ -1569,7 +1572,7 @@ static ssize_t fuse_file_read_iter(struct kiocb *iocb, struct iov_iter *to)
struct file *file = iocb->ki_filp;
struct fuse_file *ff = file->private_data;
- if (is_bad_inode(file_inode(file)))
+ if (fuse_is_bad(file_inode(file)))
return -EIO;
if (!(ff->open_flags & FOPEN_DIRECT_IO))
@@ -1583,7 +1586,7 @@ static ssize_t fuse_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
struct file *file = iocb->ki_filp;
struct fuse_file *ff = file->private_data;
- if (is_bad_inode(file_inode(file)))
+ if (fuse_is_bad(file_inode(file)))
return -EIO;
if (!(ff->open_flags & FOPEN_DIRECT_IO))
@@ -2133,7 +2136,7 @@ static int fuse_writepages(struct address_space *mapping,
int err;
err = -EIO;
- if (is_bad_inode(inode))
+ if (fuse_is_bad(inode))
goto out;
data.inode = inode;
@@ -2911,7 +2914,7 @@ long fuse_ioctl_common(struct file *file, unsigned int cmd,
if (!fuse_allow_current_process(fc))
return -EACCES;
- if (is_bad_inode(inode))
+ if (fuse_is_bad(inode))
return -EIO;
return fuse_do_ioctl(file, cmd, arg, flags);
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index d7cde216fc871..e3688312e9f1b 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -158,6 +158,8 @@ enum {
FUSE_I_INIT_RDPLUS,
/** An operation changing file size is in progress */
FUSE_I_SIZE_UNSTABLE,
+ /* Bad inode */
+ FUSE_I_BAD,
};
struct fuse_conn;
@@ -787,6 +789,16 @@ static inline u64 fuse_get_attr_version(struct fuse_conn *fc)
return atomic64_read(&fc->attr_version);
}
+static inline void fuse_make_bad(struct inode *inode)
+{
+ set_bit(FUSE_I_BAD, &get_fuse_inode(inode)->state);
+}
+
+static inline bool fuse_is_bad(struct inode *inode)
+{
+ return unlikely(test_bit(FUSE_I_BAD, &get_fuse_inode(inode)->state));
+}
+
/** Device operations */
extern const struct file_operations fuse_dev_operations;
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index f58ab84b09fb3..aa1d5cf1bc3a4 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -115,7 +115,7 @@ static void fuse_evict_inode(struct inode *inode)
fuse_queue_forget(fc, fi->forget, fi->nodeid, fi->nlookup);
fi->forget = NULL;
}
- if (S_ISREG(inode->i_mode) && !is_bad_inode(inode)) {
+ if (S_ISREG(inode->i_mode) && !fuse_is_bad(inode)) {
WARN_ON(!list_empty(&fi->write_files));
WARN_ON(!list_empty(&fi->queued_writes));
}
@@ -306,7 +306,7 @@ struct inode *fuse_iget(struct super_block *sb, u64 nodeid,
unlock_new_inode(inode);
} else if ((inode->i_mode ^ attr->mode) & S_IFMT) {
/* Inode has changed type, any I/O on the old should fail */
- make_bad_inode(inode);
+ fuse_make_bad(inode);
iput(inode);
goto retry;
}
diff --git a/fs/fuse/readdir.c b/fs/fuse/readdir.c
index 6a40f75a0d25e..70f685b61e3a5 100644
--- a/fs/fuse/readdir.c
+++ b/fs/fuse/readdir.c
@@ -207,7 +207,7 @@ retry:
dput(dentry);
goto retry;
}
- if (is_bad_inode(inode)) {
+ if (fuse_is_bad(inode)) {
dput(dentry);
return -EIO;
}
@@ -568,7 +568,7 @@ int fuse_readdir(struct file *file, struct dir_context *ctx)
struct inode *inode = file_inode(file);
int err;
- if (is_bad_inode(inode))
+ if (fuse_is_bad(inode))
return -EIO;
mutex_lock(&ff->readdir.lock);
diff --git a/fs/fuse/xattr.c b/fs/fuse/xattr.c
index 20d052e08b3be..28fed52957707 100644
--- a/fs/fuse/xattr.c
+++ b/fs/fuse/xattr.c
@@ -113,6 +113,9 @@ ssize_t fuse_listxattr(struct dentry *entry, char *list, size_t size)
struct fuse_getxattr_out outarg;
ssize_t ret;
+ if (fuse_is_bad(inode))
+ return -EIO;
+
if (!fuse_allow_current_process(fc))
return -EACCES;
@@ -178,6 +181,9 @@ static int fuse_xattr_get(const struct xattr_handler *handler,
struct dentry *dentry, struct inode *inode,
const char *name, void *value, size_t size)
{
+ if (fuse_is_bad(inode))
+ return -EIO;
+
return fuse_getxattr(inode, name, value, size);
}
@@ -186,6 +192,9 @@ static int fuse_xattr_set(const struct xattr_handler *handler,
const char *name, const void *value, size_t size,
int flags)
{
+ if (fuse_is_bad(inode))
+ return -EIO;
+
if (!value)
return fuse_removexattr(inode, name);
diff --git a/fs/proc/base.c b/fs/proc/base.c
index b690074e65ffa..653c2d8aa1cd7 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -403,11 +403,11 @@ print0:
static int lock_trace(struct task_struct *task)
{
- int err = mutex_lock_killable(&task->signal->exec_update_mutex);
+ int err = down_read_killable(&task->signal->exec_update_lock);
if (err)
return err;
if (!ptrace_may_access(task, PTRACE_MODE_ATTACH_FSCREDS)) {
- mutex_unlock(&task->signal->exec_update_mutex);
+ up_read(&task->signal->exec_update_lock);
return -EPERM;
}
return 0;
@@ -415,7 +415,7 @@ static int lock_trace(struct task_struct *task)
static void unlock_trace(struct task_struct *task)
{
- mutex_unlock(&task->signal->exec_update_mutex);
+ up_read(&task->signal->exec_update_lock);
}
#ifdef CONFIG_STACKTRACE
@@ -2769,7 +2769,7 @@ static int do_io_accounting(struct task_struct *task, struct seq_file *m, int wh
unsigned long flags;
int result;
- result = mutex_lock_killable(&task->signal->exec_update_mutex);
+ result = down_read_killable(&task->signal->exec_update_lock);
if (result)
return result;
@@ -2805,7 +2805,7 @@ static int do_io_accounting(struct task_struct *task, struct seq_file *m, int wh
result = 0;
out_unlock:
- mutex_unlock(&task->signal->exec_update_mutex);
+ up_read(&task->signal->exec_update_lock);
return result;
}
diff --git a/include/linux/kdev_t.h b/include/linux/kdev_t.h
index 85b5151911cfd..4856706fbfeb4 100644
--- a/include/linux/kdev_t.h
+++ b/include/linux/kdev_t.h
@@ -21,61 +21,61 @@
})
/* acceptable for old filesystems */
-static inline bool old_valid_dev(dev_t dev)
+static __always_inline bool old_valid_dev(dev_t dev)
{
return MAJOR(dev) < 256 && MINOR(dev) < 256;
}
-static inline u16 old_encode_dev(dev_t dev)
+static __always_inline u16 old_encode_dev(dev_t dev)
{
return (MAJOR(dev) << 8) | MINOR(dev);
}
-static inline dev_t old_decode_dev(u16 val)
+static __always_inline dev_t old_decode_dev(u16 val)
{
return MKDEV((val >> 8) & 255, val & 255);
}
-static inline u32 new_encode_dev(dev_t dev)
+static __always_inline u32 new_encode_dev(dev_t dev)
{
unsigned major = MAJOR(dev);
unsigned minor = MINOR(dev);
return (minor & 0xff) | (major << 8) | ((minor & ~0xff) << 12);
}
-static inline dev_t new_decode_dev(u32 dev)
+static __always_inline dev_t new_decode_dev(u32 dev)
{
unsigned major = (dev & 0xfff00) >> 8;
unsigned minor = (dev & 0xff) | ((dev >> 12) & 0xfff00);
return MKDEV(major, minor);
}
-static inline u64 huge_encode_dev(dev_t dev)
+static __always_inline u64 huge_encode_dev(dev_t dev)
{
return new_encode_dev(dev);
}
-static inline dev_t huge_decode_dev(u64 dev)
+static __always_inline dev_t huge_decode_dev(u64 dev)
{
return new_decode_dev(dev);
}
-static inline int sysv_valid_dev(dev_t dev)
+static __always_inline int sysv_valid_dev(dev_t dev)
{
return MAJOR(dev) < (1<<14) && MINOR(dev) < (1<<18);
}
-static inline u32 sysv_encode_dev(dev_t dev)
+static __always_inline u32 sysv_encode_dev(dev_t dev)
{
return MINOR(dev) | (MAJOR(dev) << 18);
}
-static inline unsigned sysv_major(u32 dev)
+static __always_inline unsigned sysv_major(u32 dev)
{
return (dev >> 18) & 0x3fff;
}
-static inline unsigned sysv_minor(u32 dev)
+static __always_inline unsigned sysv_minor(u32 dev)
{
return dev & 0x3ffff;
}
diff --git a/include/linux/rwsem.h b/include/linux/rwsem.h
index 00d6054687dd2..8a3606372abc8 100644
--- a/include/linux/rwsem.h
+++ b/include/linux/rwsem.h
@@ -125,6 +125,7 @@ static inline int rwsem_is_contended(struct rw_semaphore *sem)
* lock for reading
*/
extern void down_read(struct rw_semaphore *sem);
+extern int __must_check down_read_interruptible(struct rw_semaphore *sem);
extern int __must_check down_read_killable(struct rw_semaphore *sem);
/*
@@ -173,6 +174,7 @@ extern void downgrade_write(struct rw_semaphore *sem);
* See Documentation/locking/lockdep-design.rst for more details.)
*/
extern void down_read_nested(struct rw_semaphore *sem, int subclass);
+extern int __must_check down_read_killable_nested(struct rw_semaphore *sem, int subclass);
extern void down_write_nested(struct rw_semaphore *sem, int subclass);
extern int down_write_killable_nested(struct rw_semaphore *sem, int subclass);
extern void _down_write_nest_lock(struct rw_semaphore *sem, struct lockdep_map *nest_lock);
@@ -193,6 +195,7 @@ extern void down_read_non_owner(struct rw_semaphore *sem);
extern void up_read_non_owner(struct rw_semaphore *sem);
#else
# define down_read_nested(sem, subclass) down_read(sem)
+# define down_read_killable_nested(sem, subclass) down_read_killable(sem)
# define down_write_nest_lock(sem, nest_lock) down_write(sem)
# define down_write_nested(sem, subclass) down_write(sem)
# define down_write_killable_nested(sem, subclass) down_write_killable(sem)
diff --git a/include/linux/sched/signal.h b/include/linux/sched/signal.h
index a29df79540ce6..baf58f4cb0578 100644
--- a/include/linux/sched/signal.h
+++ b/include/linux/sched/signal.h
@@ -226,12 +226,13 @@ struct signal_struct {
* credential calculations
* (notably. ptrace)
* Deprecated do not use in new code.
- * Use exec_update_mutex instead.
- */
- struct mutex exec_update_mutex; /* Held while task_struct is being
- * updated during exec, and may have
- * inconsistent permissions.
+ * Use exec_update_lock instead.
*/
+ struct rw_semaphore exec_update_lock; /* Held while task_struct is
+ * being updated during exec,
+ * and may have inconsistent
+ * permissions.
+ */
} __randomize_layout;
/*
diff --git a/init/init_task.c b/init/init_task.c
index bd403ed3e4184..df7041be96fca 100644
--- a/init/init_task.c
+++ b/init/init_task.c
@@ -26,7 +26,7 @@ static struct signal_struct init_signals = {
.multiprocess = HLIST_HEAD_INIT,
.rlim = INIT_RLIMITS,
.cred_guard_mutex = __MUTEX_INITIALIZER(init_signals.cred_guard_mutex),
- .exec_update_mutex = __MUTEX_INITIALIZER(init_signals.exec_update_mutex),
+ .exec_update_lock = __RWSEM_INITIALIZER(init_signals.exec_update_lock),
#ifdef CONFIG_POSIX_TIMERS
.posix_timers = LIST_HEAD_INIT(init_signals.posix_timers),
.cputimer = {
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 9f7c2da992991..2ef33e9a75910 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -1254,7 +1254,7 @@ static void put_ctx(struct perf_event_context *ctx)
* function.
*
* Lock order:
- * exec_update_mutex
+ * exec_update_lock
* task_struct::perf_event_mutex
* perf_event_context::mutex
* perf_event::child_mutex;
@@ -11001,24 +11001,6 @@ SYSCALL_DEFINE5(perf_event_open,
goto err_task;
}
- if (task) {
- err = mutex_lock_interruptible(&task->signal->exec_update_mutex);
- if (err)
- goto err_task;
-
- /*
- * Reuse ptrace permission checks for now.
- *
- * We must hold exec_update_mutex across this and any potential
- * perf_install_in_context() call for this new event to
- * serialize against exec() altering our credentials (and the
- * perf_event_exit_task() that could imply).
- */
- err = -EACCES;
- if (!ptrace_may_access(task, PTRACE_MODE_READ_REALCREDS))
- goto err_cred;
- }
-
if (flags & PERF_FLAG_PID_CGROUP)
cgroup_fd = pid;
@@ -11026,7 +11008,7 @@ SYSCALL_DEFINE5(perf_event_open,
NULL, NULL, cgroup_fd);
if (IS_ERR(event)) {
err = PTR_ERR(event);
- goto err_cred;
+ goto err_task;
}
if (is_sampling_event(event)) {
@@ -11145,6 +11127,24 @@ SYSCALL_DEFINE5(perf_event_open,
goto err_context;
}
+ if (task) {
+ err = down_read_interruptible(&task->signal->exec_update_lock);
+ if (err)
+ goto err_file;
+
+ /*
+ * Preserve ptrace permission check for backwards compatibility.
+ *
+ * We must hold exec_update_lock across this and any potential
+ * perf_install_in_context() call for this new event to
+ * serialize against exec() altering our credentials (and the
+ * perf_event_exit_task() that could imply).
+ */
+ err = -EACCES;
+ if (!ptrace_may_access(task, PTRACE_MODE_READ_REALCREDS))
+ goto err_cred;
+ }
+
if (move_group) {
gctx = __perf_event_ctx_lock_double(group_leader, ctx);
@@ -11298,7 +11298,7 @@ SYSCALL_DEFINE5(perf_event_open,
mutex_unlock(&ctx->mutex);
if (task) {
- mutex_unlock(&task->signal->exec_update_mutex);
+ up_read(&task->signal->exec_update_lock);
put_task_struct(task);
}
@@ -11320,7 +11320,10 @@ err_locked:
if (move_group)
perf_event_ctx_unlock(group_leader, gctx);
mutex_unlock(&ctx->mutex);
-/* err_file: */
+err_cred:
+ if (task)
+ up_read(&task->signal->exec_update_lock);
+err_file:
fput(event_file);
err_context:
perf_unpin_context(ctx);
@@ -11332,9 +11335,6 @@ err_alloc:
*/
if (!event_file)
free_event(event);
-err_cred:
- if (task)
- mutex_unlock(&task->signal->exec_update_mutex);
err_task:
if (task)
put_task_struct(task);
@@ -11639,7 +11639,7 @@ static void perf_event_exit_task_context(struct task_struct *child, int ctxn)
/*
* When a child task exits, feed back event values to parent events.
*
- * Can be called with exec_update_mutex held when called from
+ * Can be called with exec_update_lock held when called from
* install_exec_creds().
*/
void perf_event_exit_task(struct task_struct *child)
diff --git a/kernel/fork.c b/kernel/fork.c
index 419fff8eb9e55..50f37d5afb32b 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1221,7 +1221,7 @@ struct mm_struct *mm_access(struct task_struct *task, unsigned int mode)
struct mm_struct *mm;
int err;
- err = mutex_lock_killable(&task->signal->exec_update_mutex);
+ err = down_read_killable(&task->signal->exec_update_lock);
if (err)
return ERR_PTR(err);
@@ -1231,7 +1231,7 @@ struct mm_struct *mm_access(struct task_struct *task, unsigned int mode)
mmput(mm);
mm = ERR_PTR(-EACCES);
}
- mutex_unlock(&task->signal->exec_update_mutex);
+ up_read(&task->signal->exec_update_lock);
return mm;
}
@@ -1586,7 +1586,7 @@ static int copy_signal(unsigned long clone_flags, struct task_struct *tsk)
sig->oom_score_adj_min = current->signal->oom_score_adj_min;
mutex_init(&sig->cred_guard_mutex);
- mutex_init(&sig->exec_update_mutex);
+ init_rwsem(&sig->exec_update_lock);
return 0;
}
diff --git a/kernel/kcmp.c b/kernel/kcmp.c
index b3ff9288c6cc9..c0d2ad9b4705d 100644
--- a/kernel/kcmp.c
+++ b/kernel/kcmp.c
@@ -75,25 +75,25 @@ get_file_raw_ptr(struct task_struct *task, unsigned int idx)
return file;
}
-static void kcmp_unlock(struct mutex *m1, struct mutex *m2)
+static void kcmp_unlock(struct rw_semaphore *l1, struct rw_semaphore *l2)
{
- if (likely(m2 != m1))
- mutex_unlock(m2);
- mutex_unlock(m1);
+ if (likely(l2 != l1))
+ up_read(l2);
+ up_read(l1);
}
-static int kcmp_lock(struct mutex *m1, struct mutex *m2)
+static int kcmp_lock(struct rw_semaphore *l1, struct rw_semaphore *l2)
{
int err;
- if (m2 > m1)
- swap(m1, m2);
+ if (l2 > l1)
+ swap(l1, l2);
- err = mutex_lock_killable(m1);
- if (!err && likely(m1 != m2)) {
- err = mutex_lock_killable_nested(m2, SINGLE_DEPTH_NESTING);
+ err = down_read_killable(l1);
+ if (!err && likely(l1 != l2)) {
+ err = down_read_killable_nested(l2, SINGLE_DEPTH_NESTING);
if (err)
- mutex_unlock(m1);
+ up_read(l1);
}
return err;
@@ -173,8 +173,8 @@ SYSCALL_DEFINE5(kcmp, pid_t, pid1, pid_t, pid2, int, type,
/*
* One should have enough rights to inspect task details.
*/
- ret = kcmp_lock(&task1->signal->exec_update_mutex,
- &task2->signal->exec_update_mutex);
+ ret = kcmp_lock(&task1->signal->exec_update_lock,
+ &task2->signal->exec_update_lock);
if (ret)
goto err;
if (!ptrace_may_access(task1, PTRACE_MODE_READ_REALCREDS) ||
@@ -229,8 +229,8 @@ SYSCALL_DEFINE5(kcmp, pid_t, pid1, pid_t, pid2, int, type,
}
err_unlock:
- kcmp_unlock(&task1->signal->exec_update_mutex,
- &task2->signal->exec_update_mutex);
+ kcmp_unlock(&task1->signal->exec_update_lock,
+ &task2->signal->exec_update_lock);
err:
put_task_struct(task1);
put_task_struct(task2);
diff --git a/kernel/locking/rwsem.c b/kernel/locking/rwsem.c
index baafa1dd9fcc4..5d54ff3179b80 100644
--- a/kernel/locking/rwsem.c
+++ b/kernel/locking/rwsem.c
@@ -1348,6 +1348,18 @@ inline void __down_read(struct rw_semaphore *sem)
}
}
+static inline int __down_read_interruptible(struct rw_semaphore *sem)
+{
+ if (!rwsem_read_trylock(sem)) {
+ if (IS_ERR(rwsem_down_read_slowpath(sem, TASK_INTERRUPTIBLE)))
+ return -EINTR;
+ DEBUG_RWSEMS_WARN_ON(!is_rwsem_reader_owned(sem), sem);
+ } else {
+ rwsem_set_reader_owned(sem);
+ }
+ return 0;
+}
+
static inline int __down_read_killable(struct rw_semaphore *sem)
{
if (!rwsem_read_trylock(sem)) {
@@ -1498,6 +1510,20 @@ void __sched down_read(struct rw_semaphore *sem)
}
EXPORT_SYMBOL(down_read);
+int __sched down_read_interruptible(struct rw_semaphore *sem)
+{
+ might_sleep();
+ rwsem_acquire_read(&sem->dep_map, 0, 0, _RET_IP_);
+
+ if (LOCK_CONTENDED_RETURN(sem, __down_read_trylock, __down_read_interruptible)) {
+ rwsem_release(&sem->dep_map, 1, _RET_IP_);
+ return -EINTR;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL(down_read_interruptible);
+
int __sched down_read_killable(struct rw_semaphore *sem)
{
might_sleep();
@@ -1608,6 +1634,20 @@ void down_read_nested(struct rw_semaphore *sem, int subclass)
}
EXPORT_SYMBOL(down_read_nested);
+int down_read_killable_nested(struct rw_semaphore *sem, int subclass)
+{
+ might_sleep();
+ rwsem_acquire_read(&sem->dep_map, subclass, 0, _RET_IP_);
+
+ if (LOCK_CONTENDED_RETURN(sem, __down_read_trylock, __down_read_killable)) {
+ rwsem_release(&sem->dep_map, 1, _RET_IP_);
+ return -EINTR;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL(down_read_killable_nested);
+
void _down_write_nest_lock(struct rw_semaphore *sem, struct lockdep_map *nest)
{
might_sleep();

2852
patch/kernel/odroidxu4-current/patch-5.4.88-89.patch
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File diff suppressed because it is too large Load Diff

1787
patch/kernel/odroidxu4-current/patch-5.4.89-90.patch
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2316
patch/kernel/odroidxu4-current/patch-5.4.90-91.patch
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756
patch/kernel/odroidxu4-current/patch-5.4.91-92.patch
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@ -1,756 +0,0 @@
diff --git a/Makefile b/Makefile
index a5edbd4f34145..5bae2206a35e7 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 4
-SUBLEVEL = 91
+SUBLEVEL = 92
EXTRAVERSION =
NAME = Kleptomaniac Octopus
diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
index 6988bbf2576f5..9a77b70ad601b 100644
--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
@@ -4790,8 +4790,6 @@ static void mvpp2_phylink_validate(struct phylink_config *config,
phylink_set(mask, Autoneg);
phylink_set_port_modes(mask);
- phylink_set(mask, Pause);
- phylink_set(mask, Asym_Pause);
switch (state->interface) {
case PHY_INTERFACE_MODE_10GKR:
diff --git a/drivers/net/ethernet/mellanox/mlxsw/core_thermal.c b/drivers/net/ethernet/mellanox/mlxsw/core_thermal.c
index 71c90c8a9e943..c3fc1cc4bb2b9 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/core_thermal.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/core_thermal.c
@@ -19,7 +19,7 @@
#define MLXSW_THERMAL_ASIC_TEMP_NORM 75000 /* 75C */
#define MLXSW_THERMAL_ASIC_TEMP_HIGH 85000 /* 85C */
#define MLXSW_THERMAL_ASIC_TEMP_HOT 105000 /* 105C */
-#define MLXSW_THERMAL_ASIC_TEMP_CRIT 110000 /* 110C */
+#define MLXSW_THERMAL_ASIC_TEMP_CRIT 140000 /* 140C */
#define MLXSW_THERMAL_HYSTERESIS_TEMP 5000 /* 5C */
#define MLXSW_THERMAL_MODULE_TEMP_SHIFT (MLXSW_THERMAL_HYSTERESIS_TEMP * 2)
#define MLXSW_THERMAL_ZONE_MAX_NAME 16
@@ -177,6 +177,12 @@ mlxsw_thermal_module_trips_update(struct device *dev, struct mlxsw_core *core,
if (err)
return err;
+ if (crit_temp > emerg_temp) {
+ dev_warn(dev, "%s : Critical threshold %d is above emergency threshold %d\n",
+ tz->tzdev->type, crit_temp, emerg_temp);
+ return 0;
+ }
+
/* According to the system thermal requirements, the thermal zones are
* defined with four trip points. The critical and emergency
* temperature thresholds, provided by QSFP module are set as "active"
@@ -191,11 +197,8 @@ mlxsw_thermal_module_trips_update(struct device *dev, struct mlxsw_core *core,
tz->trips[MLXSW_THERMAL_TEMP_TRIP_NORM].temp = crit_temp;
tz->trips[MLXSW_THERMAL_TEMP_TRIP_HIGH].temp = crit_temp;
tz->trips[MLXSW_THERMAL_TEMP_TRIP_HOT].temp = emerg_temp;
- if (emerg_temp > crit_temp)
- tz->trips[MLXSW_THERMAL_TEMP_TRIP_CRIT].temp = emerg_temp +
+ tz->trips[MLXSW_THERMAL_TEMP_TRIP_CRIT].temp = emerg_temp +
MLXSW_THERMAL_MODULE_TEMP_SHIFT;
- else
- tz->trips[MLXSW_THERMAL_TEMP_TRIP_CRIT].temp = emerg_temp;
return 0;
}
diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
index c692a41e45480..25b6f2ee2beb8 100644
--- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
+++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
@@ -564,11 +564,6 @@ static const struct net_device_ops netxen_netdev_ops = {
.ndo_set_features = netxen_set_features,
};
-static inline bool netxen_function_zero(struct pci_dev *pdev)
-{
- return (PCI_FUNC(pdev->devfn) == 0) ? true : false;
-}
-
static inline void netxen_set_interrupt_mode(struct netxen_adapter *adapter,
u32 mode)
{
@@ -664,7 +659,7 @@ static int netxen_setup_intr(struct netxen_adapter *adapter)
netxen_initialize_interrupt_registers(adapter);
netxen_set_msix_bit(pdev, 0);
- if (netxen_function_zero(pdev)) {
+ if (adapter->portnum == 0) {
if (!netxen_setup_msi_interrupts(adapter, num_msix))
netxen_set_interrupt_mode(adapter, NETXEN_MSI_MODE);
else
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 18c5a9bb6759c..ce5d3e9e5dff4 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -3739,6 +3739,7 @@ static int stmmac_change_mtu(struct net_device *dev, int new_mtu)
{
struct stmmac_priv *priv = netdev_priv(dev);
int txfifosz = priv->plat->tx_fifo_size;
+ const int mtu = new_mtu;
if (txfifosz == 0)
txfifosz = priv->dma_cap.tx_fifo_size;
@@ -3756,7 +3757,7 @@ static int stmmac_change_mtu(struct net_device *dev, int new_mtu)
if ((txfifosz < new_mtu) || (new_mtu > BUF_SIZE_16KiB))
return -EINVAL;
- dev->mtu = new_mtu;
+ dev->mtu = mtu;
netdev_update_features(dev);
diff --git a/drivers/net/usb/rndis_host.c b/drivers/net/usb/rndis_host.c
index 6fa7a009a24a4..f9b359d4e2939 100644
--- a/drivers/net/usb/rndis_host.c
+++ b/drivers/net/usb/rndis_host.c
@@ -387,7 +387,7 @@ generic_rndis_bind(struct usbnet *dev, struct usb_interface *intf, int flags)
reply_len = sizeof *phym;
retval = rndis_query(dev, intf, u.buf,
RNDIS_OID_GEN_PHYSICAL_MEDIUM,
- 0, (void **) &phym, &reply_len);
+ reply_len, (void **)&phym, &reply_len);
if (retval != 0 || !phym) {
/* OID is optional so don't fail here. */
phym_unspec = cpu_to_le32(RNDIS_PHYSICAL_MEDIUM_UNSPECIFIED);
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c
index 590a49e847626..418d62e945544 100644
--- a/drivers/scsi/lpfc/lpfc_nportdisc.c
+++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -286,7 +286,7 @@ lpfc_els_abort(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp)
* This routine is only called if we are SLI3, direct connect pt2pt
* mode and the remote NPort issues the PLOGI after link up.
*/
-void
+static void
lpfc_defer_pt2pt_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *link_mbox)
{
LPFC_MBOXQ_t *login_mbox;
@@ -340,7 +340,7 @@ lpfc_defer_pt2pt_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *link_mbox)
* This routine is only called if we are SLI4, acting in target
* mode and the remote NPort issues the PLOGI after link up.
**/
-void
+static void
lpfc_defer_acc_rsp(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
{
struct lpfc_vport *vport = pmb->vport;
diff --git a/drivers/spi/spi-cadence.c b/drivers/spi/spi-cadence.c
index 82a0ee09cbe14..1d0c335b0bf88 100644
--- a/drivers/spi/spi-cadence.c
+++ b/drivers/spi/spi-cadence.c
@@ -115,6 +115,7 @@ struct cdns_spi {
void __iomem *regs;
struct clk *ref_clk;
struct clk *pclk;
+ unsigned int clk_rate;
u32 speed_hz;
const u8 *txbuf;
u8 *rxbuf;
@@ -250,7 +251,7 @@ static void cdns_spi_config_clock_freq(struct spi_device *spi,
u32 ctrl_reg, baud_rate_val;
unsigned long frequency;
- frequency = clk_get_rate(xspi->ref_clk);
+ frequency = xspi->clk_rate;
ctrl_reg = cdns_spi_read(xspi, CDNS_SPI_CR);
@@ -558,8 +559,9 @@ static int cdns_spi_probe(struct platform_device *pdev)
master->auto_runtime_pm = true;
master->mode_bits = SPI_CPOL | SPI_CPHA;
+ xspi->clk_rate = clk_get_rate(xspi->ref_clk);
/* Set to default valid value */
- master->max_speed_hz = clk_get_rate(xspi->ref_clk) / 4;
+ master->max_speed_hz = xspi->clk_rate / 4;
xspi->speed_hz = master->max_speed_hz;
master->bits_per_word_mask = SPI_BPW_MASK(8);
diff --git a/drivers/spi/spi-npcm-fiu.c b/drivers/spi/spi-npcm-fiu.c
index 5ed7c9e017fb1..1e770d6739050 100644
--- a/drivers/spi/spi-npcm-fiu.c
+++ b/drivers/spi/spi-npcm-fiu.c
@@ -677,8 +677,7 @@ static int npcm_fiu_probe(struct platform_device *pdev)
struct npcm_fiu_spi *fiu;
void __iomem *regbase;
struct resource *res;
- int ret;
- int id;
+ int id, ret;
ctrl = devm_spi_alloc_master(dev, sizeof(*fiu));
if (!ctrl)
@@ -738,9 +737,9 @@ static int npcm_fiu_probe(struct platform_device *pdev)
ret = devm_spi_register_master(dev, ctrl);
if (ret)
- return ret;
+ clk_disable_unprepare(fiu->clk);
- return 0;
+ return ret;
}
static int npcm_fiu_remove(struct platform_device *pdev)
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 5eb62240c7f87..833f51282accc 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -102,7 +102,7 @@ static void io_watchdog_func(struct timer_list *t);
/* Some boards misreport power switching/overcurrent */
-static bool distrust_firmware = true;
+static bool distrust_firmware;
module_param (distrust_firmware, bool, 0);
MODULE_PARM_DESC (distrust_firmware,
"true to distrust firmware power/overcurrent setup");
diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c
index c6070e70dd73d..9c9422e9fac4d 100644
--- a/drivers/xen/privcmd.c
+++ b/drivers/xen/privcmd.c
@@ -724,14 +724,15 @@ static long privcmd_ioctl_restrict(struct file *file, void __user *udata)
return 0;
}
-static long privcmd_ioctl_mmap_resource(struct file *file, void __user *udata)
+static long privcmd_ioctl_mmap_resource(struct file *file,
+ struct privcmd_mmap_resource __user *udata)
{
struct privcmd_data *data = file->private_data;
struct mm_struct *mm = current->mm;
struct vm_area_struct *vma;
struct privcmd_mmap_resource kdata;
xen_pfn_t *pfns = NULL;
- struct xen_mem_acquire_resource xdata;
+ struct xen_mem_acquire_resource xdata = { };
int rc;
if (copy_from_user(&kdata, udata, sizeof(kdata)))
@@ -741,6 +742,22 @@ static long privcmd_ioctl_mmap_resource(struct file *file, void __user *udata)
if (data->domid != DOMID_INVALID && data->domid != kdata.dom)
return -EPERM;
+ /* Both fields must be set or unset */
+ if (!!kdata.addr != !!kdata.num)
+ return -EINVAL;
+
+ xdata.domid = kdata.dom;
+ xdata.type = kdata.type;
+ xdata.id = kdata.id;
+
+ if (!kdata.addr && !kdata.num) {
+ /* Query the size of the resource. */
+ rc = HYPERVISOR_memory_op(XENMEM_acquire_resource, &xdata);
+ if (rc)
+ return rc;
+ return __put_user(xdata.nr_frames, &udata->num);
+ }
+
down_write(&mm->mmap_sem);
vma = find_vma(mm, kdata.addr);
@@ -775,10 +792,6 @@ static long privcmd_ioctl_mmap_resource(struct file *file, void __user *udata)
} else
vma->vm_private_data = PRIV_VMA_LOCKED;
- memset(&xdata, 0, sizeof(xdata));
- xdata.domid = kdata.dom;
- xdata.type = kdata.type;
- xdata.id = kdata.id;
xdata.frame = kdata.idx;
xdata.nr_frames = kdata.num;
set_xen_guest_handle(xdata.frame_list, pfns);
diff --git a/fs/nfsd/nfs3xdr.c b/fs/nfsd/nfs3xdr.c
index 86e5658651f10..8f077e66e613f 100644
--- a/fs/nfsd/nfs3xdr.c
+++ b/fs/nfsd/nfs3xdr.c
@@ -857,9 +857,14 @@ compose_entry_fh(struct nfsd3_readdirres *cd, struct svc_fh *fhp,
if (isdotent(name, namlen)) {
if (namlen == 2) {
dchild = dget_parent(dparent);
- /* filesystem root - cannot return filehandle for ".." */
+ /*
+ * Don't return filehandle for ".." if we're at
+ * the filesystem or export root:
+ */
if (dchild == dparent)
goto out;
+ if (dparent == exp->ex_path.dentry)
+ goto out;
} else
dchild = dget(dparent);
} else
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index d8fab3ecf5120..180b52419136f 100644
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -12,6 +12,12 @@
#if GCC_VERSION < 40600
# error Sorry, your compiler is too old - please upgrade it.
+#elif defined(CONFIG_ARM64) && GCC_VERSION < 50100
+/*
+ * https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63293
+ * https://lore.kernel.org/r/20210107111841.GN1551@shell.armlinux.org.uk
+ */
+# error Sorry, your version of GCC is too old - please use 5.1 or newer.
#endif
/*
diff --git a/include/linux/elfcore.h b/include/linux/elfcore.h
index 4cad0e784b286..b81f9e1d74b0a 100644
--- a/include/linux/elfcore.h
+++ b/include/linux/elfcore.h
@@ -58,6 +58,7 @@ static inline int elf_core_copy_task_xfpregs(struct task_struct *t, elf_fpxregse
}
#endif
+#if defined(CONFIG_UM) || defined(CONFIG_IA64)
/*
* These functions parameterize elf_core_dump in fs/binfmt_elf.c to write out
* extra segments containing the gate DSO contents. Dumping its
@@ -72,5 +73,26 @@ elf_core_write_extra_phdrs(struct coredump_params *cprm, loff_t offset);
extern int
elf_core_write_extra_data(struct coredump_params *cprm);
extern size_t elf_core_extra_data_size(void);
+#else
+static inline Elf_Half elf_core_extra_phdrs(void)
+{
+ return 0;
+}
+
+static inline int elf_core_write_extra_phdrs(struct coredump_params *cprm, loff_t offset)
+{
+ return 1;
+}
+
+static inline int elf_core_write_extra_data(struct coredump_params *cprm)
+{
+ return 1;
+}
+
+static inline size_t elf_core_extra_data_size(void)
+{
+ return 0;
+}
+#endif
#endif /* _LINUX_ELFCORE_H */
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 68139cc2f3ca3..6493c98c86317 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1480,6 +1480,11 @@ static inline void skb_mark_not_on_list(struct sk_buff *skb)
skb->next = NULL;
}
+/* Iterate through singly-linked GSO fragments of an skb. */
+#define skb_list_walk_safe(first, skb, next_skb) \
+ for ((skb) = (first), (next_skb) = (skb) ? (skb)->next : NULL; (skb); \
+ (skb) = (next_skb), (next_skb) = (skb) ? (skb)->next : NULL)
+
static inline void skb_list_del_init(struct sk_buff *skb)
{
__list_del_entry(&skb->list);
diff --git a/kernel/Makefile b/kernel/Makefile
index f2cc0d118a0bc..6aef13053a5c4 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -93,7 +93,6 @@ obj-$(CONFIG_TASK_DELAY_ACCT) += delayacct.o
obj-$(CONFIG_TASKSTATS) += taskstats.o tsacct.o
obj-$(CONFIG_TRACEPOINTS) += tracepoint.o
obj-$(CONFIG_LATENCYTOP) += latencytop.o
-obj-$(CONFIG_ELFCORE) += elfcore.o
obj-$(CONFIG_FUNCTION_TRACER) += trace/
obj-$(CONFIG_TRACING) += trace/
obj-$(CONFIG_TRACE_CLOCK) += trace/
diff --git a/kernel/bpf/cgroup.c b/kernel/bpf/cgroup.c
index b701af27a7799..5a8b4dfdb1419 100644
--- a/kernel/bpf/cgroup.c
+++ b/kernel/bpf/cgroup.c
@@ -1057,12 +1057,13 @@ int __cgroup_bpf_run_filter_setsockopt(struct sock *sk, int *level,
if (ctx.optlen != 0) {
*optlen = ctx.optlen;
*kernel_optval = ctx.optval;
+ /* export and don't free sockopt buf */
+ return 0;
}
}
out:
- if (ret)
- sockopt_free_buf(&ctx);
+ sockopt_free_buf(&ctx);
return ret;
}
EXPORT_SYMBOL(__cgroup_bpf_run_filter_setsockopt);
diff --git a/kernel/bpf/helpers.c b/kernel/bpf/helpers.c
index 5e28718928cad..a77d2814cac5d 100644
--- a/kernel/bpf/helpers.c
+++ b/kernel/bpf/helpers.c
@@ -105,7 +105,7 @@ BPF_CALL_2(bpf_map_peek_elem, struct bpf_map *, map, void *, value)
}
const struct bpf_func_proto bpf_map_peek_elem_proto = {
- .func = bpf_map_pop_elem,
+ .func = bpf_map_peek_elem,
.gpl_only = false,
.ret_type = RET_INTEGER,
.arg1_type = ARG_CONST_MAP_PTR,
diff --git a/kernel/elfcore.c b/kernel/elfcore.c
deleted file mode 100644
index 57fb4dcff4349..0000000000000
--- a/kernel/elfcore.c
+++ /dev/null
@@ -1,26 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include <linux/elf.h>
-#include <linux/fs.h>
-#include <linux/mm.h>
-#include <linux/binfmts.h>
-#include <linux/elfcore.h>
-
-Elf_Half __weak elf_core_extra_phdrs(void)
-{
- return 0;
-}
-
-int __weak elf_core_write_extra_phdrs(struct coredump_params *cprm, loff_t offset)
-{
- return 1;
-}
-
-int __weak elf_core_write_extra_data(struct coredump_params *cprm)
-{
- return 1;
-}
-
-size_t __weak elf_core_extra_data_size(void)
-{
- return 0;
-}
diff --git a/net/core/filter.c b/net/core/filter.c
index b040b7bf28582..2fa10fdcf6b1d 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -1475,7 +1475,7 @@ struct bpf_prog *__get_filter(struct sock_fprog *fprog, struct sock *sk)
if (copy_from_user(prog->insns, fprog->filter, fsize)) {
__bpf_prog_free(prog);
- return ERR_PTR(-EFAULT);
+ return ERR_PTR(-EINVAL);
}
prog->len = fprog->len;
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 49d923c227a21..961cb5a88c958 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -496,13 +496,17 @@ EXPORT_SYMBOL(__netdev_alloc_skb);
struct sk_buff *__napi_alloc_skb(struct napi_struct *napi, unsigned int len,
gfp_t gfp_mask)
{
- struct napi_alloc_cache *nc = this_cpu_ptr(&napi_alloc_cache);
+ struct napi_alloc_cache *nc;
struct sk_buff *skb;
void *data;
len += NET_SKB_PAD + NET_IP_ALIGN;
- if ((len > SKB_WITH_OVERHEAD(PAGE_SIZE)) ||
+ /* If requested length is either too small or too big,
+ * we use kmalloc() for skb->head allocation.
+ */
+ if (len <= SKB_WITH_OVERHEAD(1024) ||
+ len > SKB_WITH_OVERHEAD(PAGE_SIZE) ||
(gfp_mask & (__GFP_DIRECT_RECLAIM | GFP_DMA))) {
skb = __alloc_skb(len, gfp_mask, SKB_ALLOC_RX, NUMA_NO_NODE);
if (!skb)
@@ -510,6 +514,7 @@ struct sk_buff *__napi_alloc_skb(struct napi_struct *napi, unsigned int len,
goto skb_success;
}
+ nc = this_cpu_ptr(&napi_alloc_cache);
len += SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
len = SKB_DATA_ALIGN(len);
diff --git a/net/core/sock_reuseport.c b/net/core/sock_reuseport.c
index 40829111fe00c..273c921751e49 100644
--- a/net/core/sock_reuseport.c
+++ b/net/core/sock_reuseport.c
@@ -302,7 +302,7 @@ select_by_hash:
i = j = reciprocal_scale(hash, socks);
while (reuse->socks[i]->sk_state == TCP_ESTABLISHED) {
i++;
- if (i >= reuse->num_socks)
+ if (i >= socks)
i = 0;
if (i == j)
goto out;
diff --git a/net/dcb/dcbnl.c b/net/dcb/dcbnl.c
index 0fd1c2aa13615..e9ecbb57df455 100644
--- a/net/dcb/dcbnl.c
+++ b/net/dcb/dcbnl.c
@@ -1765,6 +1765,8 @@ static int dcb_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
fn = &reply_funcs[dcb->cmd];
if (!fn->cb)
return -EOPNOTSUPP;
+ if (fn->type == RTM_SETDCB && !netlink_capable(skb, CAP_NET_ADMIN))
+ return -EPERM;
if (!tb[DCB_ATTR_IFNAME])
return -EINVAL;
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index 5c967764041f4..00210e55b4cd1 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -272,7 +272,6 @@ static int esp_output_udp_encap(struct xfrm_state *x, struct sk_buff *skb, struc
int esp_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *esp)
{
u8 *tail;
- u8 *vaddr;
int nfrags;
int esph_offset;
struct page *page;
@@ -314,14 +313,10 @@ int esp_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *
page = pfrag->page;
get_page(page);
- vaddr = kmap_atomic(page);
-
- tail = vaddr + pfrag->offset;
+ tail = page_address(page) + pfrag->offset;
esp_output_fill_trailer(tail, esp->tfclen, esp->plen, esp->proto);
- kunmap_atomic(vaddr);
-
nfrags = skb_shinfo(skb)->nr_frags;
__skb_fill_page_desc(skb, nfrags, page, pfrag->offset,
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index a3b403ba8f8f0..7a739f16d82b2 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -226,7 +226,6 @@ static void esp_output_fill_trailer(u8 *tail, int tfclen, int plen, __u8 proto)
int esp6_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *esp)
{
u8 *tail;
- u8 *vaddr;
int nfrags;
struct page *page;
struct sk_buff *trailer;
@@ -259,14 +258,10 @@ int esp6_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info
page = pfrag->page;
get_page(page);
- vaddr = kmap_atomic(page);
-
- tail = vaddr + pfrag->offset;
+ tail = page_address(page) + pfrag->offset;
esp_output_fill_trailer(tail, esp->tfclen, esp->plen, esp->proto);
- kunmap_atomic(vaddr);
-
nfrags = skb_shinfo(skb)->nr_frags;
__skb_fill_page_desc(skb, nfrags, page, pfrag->offset,
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 78d495581d696..7a80c42fcce2f 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -124,8 +124,43 @@ static int ip6_finish_output2(struct net *net, struct sock *sk, struct sk_buff *
return -EINVAL;
}
+static int
+ip6_finish_output_gso_slowpath_drop(struct net *net, struct sock *sk,
+ struct sk_buff *skb, unsigned int mtu)
+{
+ struct sk_buff *segs, *nskb;
+ netdev_features_t features;
+ int ret = 0;
+
+ /* Please see corresponding comment in ip_finish_output_gso
+ * describing the cases where GSO segment length exceeds the
+ * egress MTU.
+ */
+ features = netif_skb_features(skb);
+ segs = skb_gso_segment(skb, features & ~NETIF_F_GSO_MASK);
+ if (IS_ERR_OR_NULL(segs)) {
+ kfree_skb(skb);
+ return -ENOMEM;
+ }
+
+ consume_skb(skb);
+
+ skb_list_walk_safe(segs, segs, nskb) {
+ int err;
+
+ skb_mark_not_on_list(segs);
+ err = ip6_fragment(net, sk, segs, ip6_finish_output2);
+ if (err && ret == 0)
+ ret = err;
+ }
+
+ return ret;
+}
+
static int __ip6_finish_output(struct net *net, struct sock *sk, struct sk_buff *skb)
{
+ unsigned int mtu;
+
#if defined(CONFIG_NETFILTER) && defined(CONFIG_XFRM)
/* Policy lookup after SNAT yielded a new policy */
if (skb_dst(skb)->xfrm) {
@@ -134,7 +169,11 @@ static int __ip6_finish_output(struct net *net, struct sock *sk, struct sk_buff
}
#endif
- if ((skb->len > ip6_skb_dst_mtu(skb) && !skb_is_gso(skb)) ||
+ mtu = ip6_skb_dst_mtu(skb);
+ if (skb_is_gso(skb) && !skb_gso_validate_network_len(skb, mtu))
+ return ip6_finish_output_gso_slowpath_drop(net, sk, skb, mtu);
+
+ if ((skb->len > mtu && !skb_is_gso(skb)) ||
dst_allfrag(skb_dst(skb)) ||
(IP6CB(skb)->frag_max_size && skb->len > IP6CB(skb)->frag_max_size))
return ip6_fragment(net, sk, skb, ip6_finish_output2);
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 2872f7a00e863..de4c871787e2f 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -1597,8 +1597,11 @@ static int ipip6_newlink(struct net *src_net, struct net_device *dev,
}
#ifdef CONFIG_IPV6_SIT_6RD
- if (ipip6_netlink_6rd_parms(data, &ip6rd))
+ if (ipip6_netlink_6rd_parms(data, &ip6rd)) {
err = ipip6_tunnel_update_6rd(nt, &ip6rd);
+ if (err < 0)
+ unregister_netdevice_queue(dev, NULL);
+ }
#endif
return err;
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 30a0c7c6224b3..da0e285302f9d 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -657,7 +657,7 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx)
if (!skip_hw && tx->key &&
tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
info->control.hw_key = &tx->key->conf;
- } else if (!ieee80211_is_mgmt(hdr->frame_control) && tx->sta &&
+ } else if (ieee80211_is_data_present(hdr->frame_control) && tx->sta &&
test_sta_flag(tx->sta, WLAN_STA_USES_ENCRYPTION)) {
return TX_DROP;
}
@@ -3773,7 +3773,7 @@ void __ieee80211_schedule_txq(struct ieee80211_hw *hw,
* get immediately moved to the back of the list on the next
* call to ieee80211_next_txq().
*/
- if (txqi->txq.sta &&
+ if (txqi->txq.sta && local->airtime_flags &&
wiphy_ext_feature_isset(local->hw.wiphy,
NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
list_add(&txqi->schedule_order,
diff --git a/net/rxrpc/input.c b/net/rxrpc/input.c
index 6cace43b217ee..916d1f455b218 100644
--- a/net/rxrpc/input.c
+++ b/net/rxrpc/input.c
@@ -431,7 +431,7 @@ static void rxrpc_input_data(struct rxrpc_call *call, struct sk_buff *skb)
return;
}
- if (call->state == RXRPC_CALL_SERVER_RECV_REQUEST) {
+ if (state == RXRPC_CALL_SERVER_RECV_REQUEST) {
unsigned long timo = READ_ONCE(call->next_req_timo);
unsigned long now, expect_req_by;
diff --git a/net/rxrpc/key.c b/net/rxrpc/key.c
index 85a9ff8cd236a..2b26c4d229a5a 100644
--- a/net/rxrpc/key.c
+++ b/net/rxrpc/key.c
@@ -1110,7 +1110,7 @@ static long rxrpc_read(const struct key *key,
default: /* we have a ticket we can't encode */
pr_err("Unsupported key token type (%u)\n",
token->security_index);
- continue;
+ return -ENOPKG;
}
_debug("token[%u]: toksize=%u", ntoks, toksize);
@@ -1225,7 +1225,9 @@ static long rxrpc_read(const struct key *key,
break;
default:
- break;
+ pr_err("Unsupported key token type (%u)\n",
+ token->security_index);
+ return -ENOPKG;
}
ASSERTCMP((unsigned long)xdr - (unsigned long)oldxdr, ==,
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 1fcc13f6073ef..41abfff6a6a3d 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -1319,7 +1319,7 @@ static int __sctp_setsockopt_connectx(struct sock *sk,
kaddrs = memdup_user(addrs, addrs_size);
if (IS_ERR(kaddrs))
- return PTR_ERR(kaddrs);
+ return PTR_ERR(kaddrs) == -EFAULT ? -EINVAL : PTR_ERR(kaddrs);
/* Allow security module to validate connectx addresses. */
err = security_sctp_bind_connect(sk, SCTP_SOCKOPT_CONNECTX,
diff --git a/net/tipc/link.c b/net/tipc/link.c
index a9d8a81e80cfd..f25010261a9e0 100644
--- a/net/tipc/link.c
+++ b/net/tipc/link.c
@@ -939,9 +939,7 @@ void tipc_link_reset(struct tipc_link *l)
int tipc_link_xmit(struct tipc_link *l, struct sk_buff_head *list,
struct sk_buff_head *xmitq)
{
- struct tipc_msg *hdr = buf_msg(skb_peek(list));
unsigned int maxwin = l->window;
- int imp = msg_importance(hdr);
unsigned int mtu = l->mtu;
u16 ack = l->rcv_nxt - 1;
u16 seqno = l->snd_nxt;
@@ -950,8 +948,14 @@ int tipc_link_xmit(struct tipc_link *l, struct sk_buff_head *list,
struct sk_buff_head *backlogq = &l->backlogq;
struct sk_buff *skb, *_skb, **tskb;
int pkt_cnt = skb_queue_len(list);
+ struct tipc_msg *hdr;
int rc = 0;
+ int imp;
+
+ if (pkt_cnt <= 0)
+ return 0;
+ hdr = buf_msg(skb_peek(list));
if (unlikely(msg_size(hdr) > mtu)) {
pr_warn("Too large msg, purging xmit list %d %d %d %d %d!\n",
skb_queue_len(list), msg_user(hdr),
@@ -960,6 +964,7 @@ int tipc_link_xmit(struct tipc_link *l, struct sk_buff_head *list,
return -EMSGSIZE;
}
+ imp = msg_importance(hdr);
/* Allow oversubscription of one data msg per source at congestion */
if (unlikely(l->backlog[imp].len >= l->backlog[imp].limit)) {
if (imp == TIPC_SYSTEM_IMPORTANCE) {

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