CAMQ_GET_HEAD
if (CAMQ_GET_HEAD(&devq->send_queue))
if (CAMQ_GET_HEAD(&devq->alloc_queue))
if (CAMQ_GET_HEAD(&devq->send_queue) ||
CAMQ_GET_HEAD(&devq->alloc_queue)) {
CAMQ_GET_HEAD(&dev->drvq)->priority);
CAMQ_GET_HEAD(&dev->ccbq.queue)->priority);