static int comp_rx_completion()

in most_cdev.c [351:375]

• 22 lines of code
• 6 McCabe index (conditional complexity)

static int comp_rx_completion(struct mbo *mbo)
{
	struct comp_channel *c;

	if (!mbo)
		return -EINVAL;

	c = get_channel(mbo->ifp, mbo->hdm_channel_id);
	if (!c)
		return -EINVAL;

	spin_lock(&c->unlink);
	if (!c->access_ref || !c->dev) {
		spin_unlock(&c->unlink);
		return -ENODEV;
	}
	kfifo_in(&c->fifo, &mbo, 1);
	spin_unlock(&c->unlink);
#ifdef DEBUG_MESG
	if (kfifo_is_full(&c->fifo))
		dev_warn(c->dev, "Fifo is full\n");
#endif
	wake_up_interruptible(&c->wq);
	return 0;
}