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| author | Eric Sandeen <sandeen@redhat.com> | 2018-07-29 17:13:42 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2018-07-29 17:13:42 -0400 |
| commit | f39b3f45dbcb0343822cce31ea7636ad66e60bc2 (patch) | |
| tree | e206062f7bcece8f17310afb9b8d5dab6bb1424f /fs/ext4/namei.c | |
| parent | 430657b6be896db57d974375cc499ca212c7f01d (diff) | |
| download | linux-stable-f39b3f45dbcb0343822cce31ea7636ad66e60bc2.tar.gz linux-stable-f39b3f45dbcb0343822cce31ea7636ad66e60bc2.tar.bz2 linux-stable-f39b3f45dbcb0343822cce31ea7636ad66e60bc2.zip | |
ext4: reset error code in ext4_find_entry in fallback
When ext4_find_entry() falls back to "searching the old fashioned
way" due to a corrupt dx dir, it needs to reset the error code
to NULL so that the nonstandard ERR_BAD_DX_DIR code isn't returned
to userspace.
https://bugzilla.kernel.org/show_bug.cgi?id=199947
Reported-by: Anatoly Trosinenko <anatoly.trosinenko@yandex.com>
Reviewed-by: Andreas Dilger <adilger@dilger.ca>
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@vger.kernel.org
Diffstat (limited to 'fs/ext4/namei.c')
| -rw-r--r-- | fs/ext4/namei.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index 2a4c25c4681d..116ff68c5bd4 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -1398,6 +1398,7 @@ static struct buffer_head * ext4_find_entry (struct inode *dir, goto cleanup_and_exit; dxtrace(printk(KERN_DEBUG "ext4_find_entry: dx failed, " "falling back\n")); + ret = NULL; } nblocks = dir->i_size >> EXT4_BLOCK_SIZE_BITS(sb); if (!nblocks) { |