* Return -1:
* if there is error mapping with VFIO/UIO.
* if port map error when driver type is KDRV_NONE.
- * if whitelisted but driver type is KDRV_UNKNOWN.
+ * if marked as allowed but driver type is KDRV_UNKNOWN.
* Return 1 if kernel driver is managing the device.
* Return 0 on success.
*/