From: Vasily Averin <vvs@virtuozzo.com>
Date: Tue, 6 Nov 2018 21:16:01 +0000 (-0500)
Subject: ext4: fix missing cleanup if ext4_alloc_flex_bg_array() fails while resizing
X-Git-Tag: v4.9.138~24
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=142e0172e303708548844462fe70e276d739bac3;p=platform%2Fkernel%2Flinux-amlogic.git

ext4: fix missing cleanup if ext4_alloc_flex_bg_array() fails while resizing

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>
---

diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index 08ec69fd094f..76c3880eeff6 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -1990,7 +1990,7 @@ 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)