[PATCH 3.16 147/305] ext4: fix missing cleanup if ext4_alloc_flex_bg_array() fails while resizing

3.16.63-rc1 review patch. If anyone has any objections, please let me know.

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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 Signed-off-by: Ben Hutchings ben@decadent.org.uk --- fs/ext4/resize.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/fs/ext4/resize.c +++ b/fs/ext4/resize.c @@ -1993,7 +1993,7 @@ 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)