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authorLinus Torvalds <torvalds@linux-foundation.org>2019-10-10 08:16:44 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2019-10-10 08:16:44 -0700
commit015c21ba59fcbc522d7a9d1e0ab0f0e6c0895ff0 (patch)
tree4fa0e91287d927e9df8e1658f93c40ca9efd60bc
parent5e48e55fb57a9026e6b3b6961def6d2aeb210659 (diff)
parent6fcf0c72e4b9360768cf5ef543c4f14c34800ee8 (diff)
downloadlinux-015c21ba59fcbc522d7a9d1e0ab0f0e6c0895ff0.tar.bz2
Merge branch 'work.mount3' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull mount fixes from Al Viro: "A couple of regressions from the mount series" * 'work.mount3' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: vfs: add missing blkdev_put() in get_tree_bdev() shmem: fix LSM options parsing
-rw-r--r--fs/super.c5
-rw-r--r--mm/shmem.c6
2 files changed, 10 insertions, 1 deletions
diff --git a/fs/super.c b/fs/super.c
index f627b7c53d2b..cfadab2cbf35 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -1300,6 +1300,7 @@ int get_tree_bdev(struct fs_context *fc,
mutex_lock(&bdev->bd_fsfreeze_mutex);
if (bdev->bd_fsfreeze_count > 0) {
mutex_unlock(&bdev->bd_fsfreeze_mutex);
+ blkdev_put(bdev, mode);
warnf(fc, "%pg: Can't mount, blockdev is frozen", bdev);
return -EBUSY;
}
@@ -1308,8 +1309,10 @@ int get_tree_bdev(struct fs_context *fc,
fc->sget_key = bdev;
s = sget_fc(fc, test_bdev_super_fc, set_bdev_super_fc);
mutex_unlock(&bdev->bd_fsfreeze_mutex);
- if (IS_ERR(s))
+ if (IS_ERR(s)) {
+ blkdev_put(bdev, mode);
return PTR_ERR(s);
+ }
if (s->s_root) {
/* Don't summarily change the RO/RW state. */
diff --git a/mm/shmem.c b/mm/shmem.c
index cd570cc79c76..220be9fa2c41 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -3482,6 +3482,12 @@ static int shmem_parse_options(struct fs_context *fc, void *data)
{
char *options = data;
+ if (options) {
+ int err = security_sb_eat_lsm_opts(options, &fc->security);
+ if (err)
+ return err;
+ }
+
while (options != NULL) {
char *this_char = options;
for (;;) {