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

Fixes: ac27a0ec11 ("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
This commit is contained in:
Vasily Averin 2018-11-03 17:11:19 -04:00 committed by Theodore Ts'o
parent 61a9c11e5e
commit ea0abbb648

View File

@ -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)