[PATCH 4.18 113/171] ext4: fix missing cleanup if ext4_alloc_flex_bg_array() fails while resizing

Greg Kroah-Hartman
2018-11-19T16:44:17Z

From: Vasily Averin <vvs@virtuozzo.com>

commit f348e2241fb73515d65b5d77dd9c174128a7fbf2 upstream.

Fixes: 117fff10d7f1 ("ext4: grow the s_flex_groups array as needed ...")
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org # 3.7
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
fs/ext4/resize.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -2022,7 +2022,7 @@ retry:

err = ext4_alloc_flex_bg_array(sb, n_group + 1);
if (err)
- return err;
+ goto out;

err = ext4_mb_alloc_groupinfo(sb, n_group + 1);
if (err)