ext4: add missing brelse() update_backups()'s error path

Fixes: ac27a0ec112a ("ext4: initial copy of files from ext3")
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org # 2.6.19

1 files changed, 3 insertions, 1 deletions

diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index 7131f35b62d9..3df326ee6d50 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -1121,8 +1121,10 @@ static void update_backups(struct super_block *sb, sector_t blk_off, char *data,
                            backup_block, backup_block -
                            ext4_group_first_block_no(sb, group));
                 BUFFER_TRACE(bh, "get_write_access");
-                if ((err = ext4_journal_get_write_access(handle, bh)))
+                if ((err = ext4_journal_get_write_access(handle, bh))) {
+                        brelse(bh);
                         break;
+                }
                 lock_buffer(bh);
                 memcpy(bh->b_data, data, size);
                 if (rest)