ocfs2_quota_write needs to release the lock if it fails to
read quota block. So use "goto out" instead of "return err".
Signed-off-by: NTao Ma <tao.ma@oracle.com>
Acked-by: NJan Kara <jack@suse.cz>
Signed-off-by: NJoel Becker <joel.becker@oracle.com>