DL_DEV_NO_DRIVER
dev->links.status = DL_DEV_NO_DRIVER;
ret = !dev || dev->links.status == DL_DEV_NO_DRIVER;
con_dev && con_dev->links.status == DL_DEV_NO_DRIVER) {
if (sup_dev->links.status == DL_DEV_NO_DRIVER &&
dev->links.status = DL_DEV_NO_DRIVER;
consumer->links.status != DL_DEV_NO_DRIVER &&