This is a note to let you know that I've just added the patch titled
erofs: fix handling kern_mount() failure
to the 6.6-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
erofs-fix-handling-kern_mount-failure.patch
and it can be found in the queue-6.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 876bb39734d0be7e382938079cedb99b4d0c0eab
Author: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Date: Mon Feb 12 22:44:11 2024 -0500
erofs: fix handling kern_mount() failure
[ Upstream commit 2c88c16dc20e88dd54d2f6f4d01ae1dce6cc9654 ]
if you have a variable that holds NULL or a pointer to live struct mount,
do not shove ERR_PTR() into it - not if you later treat "not NULL" as
"holds a pointer to object".
Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Stable-dep-of: 0f28be64d132 ("erofs: fix lockdep false positives on initializing erofs_pseudo_mnt")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/fs/erofs/fscache.c b/fs/erofs/fscache.c
index 87ff35bff8d5b..1052f75d1dfae 100644
--- a/fs/erofs/fscache.c
+++ b/fs/erofs/fscache.c
@@ -381,11 +381,12 @@ static int erofs_fscache_init_domain(struct super_block *sb)
goto out;
if (!erofs_pseudo_mnt) {
- erofs_pseudo_mnt = kern_mount(&erofs_fs_type);
- if (IS_ERR(erofs_pseudo_mnt)) {
- err = PTR_ERR(erofs_pseudo_mnt);
+ struct vfsmount *mnt = kern_mount(&erofs_fs_type);
+ if (IS_ERR(mnt)) {
+ err = PTR_ERR(mnt);
goto out;
}
+ erofs_pseudo_mnt = mnt;
}
domain->volume = sbi->volume;
