part = add_partition(disk, partno, start, length,
ADDPART_FLAG_NONE, NULL);
mutex_unlock(&bdev->bd_mutex);
- return IS_ERR(part) ? PTR_ERR(part) : 0;
+ return PTR_ERR_OR_ZERO(part);
case BLKPG_DEL_PARTITION:
part = disk_get_part(disk, partno);
if (!part)