UBLK_MAX_UBLKS
err = idr_alloc(&ublk_index_idr, ub, 0, UBLK_MAX_UBLKS,
if (header->dev_id != U32_MAX && header->dev_id >= UBLK_MAX_UBLKS) {
__func__, UBLK_MAX_UBLKS - 1);
return param_set_uint_minmax(buf, kp, 0, UBLK_MAX_UBLKS);