DEV_STATE_UNMAPPED
case DEV_STATE_UNMAPPED:
if (dev->dev_state == DEV_STATE_UNMAPPED) {
dev->dev_state = DEV_STATE_UNMAPPED;
else if (dev->dev_state == DEV_STATE_UNMAPPED)
if (dev->dev_state == DEV_STATE_UNMAPPED ||
if (dev->dev_state == DEV_STATE_UNMAPPED) {