static void qcom_glink_rx_close()

in qcom_glink_native.c [1533:1565]

• 25 lines of code
• 3 McCabe index (conditional complexity)

static void qcom_glink_rx_close(struct qcom_glink *glink, unsigned int rcid)
{
	struct rpmsg_channel_info chinfo;
	struct glink_channel *channel;
	unsigned long flags;

	spin_lock_irqsave(&glink->idr_lock, flags);
	channel = idr_find(&glink->rcids, rcid);
	spin_unlock_irqrestore(&glink->idr_lock, flags);
	if (WARN(!channel, "close request on unknown channel\n"))
		return;

	/* cancel pending rx_done work */
	cancel_work_sync(&channel->intent_work);

	if (channel->rpdev) {
		strncpy(chinfo.name, channel->name, sizeof(chinfo.name));
		chinfo.src = RPMSG_ADDR_ANY;
		chinfo.dst = RPMSG_ADDR_ANY;

		rpmsg_unregister_device(glink->dev, &chinfo);
	}
	channel->rpdev = NULL;

	qcom_glink_send_close_ack(glink, channel->rcid);

	spin_lock_irqsave(&glink->idr_lock, flags);
	idr_remove(&glink->rcids, channel->rcid);
	channel->rcid = 0;
	spin_unlock_irqrestore(&glink->idr_lock, flags);

	kref_put(&channel->refcount, qcom_glink_channel_release);
}