static void qcom_glink_rx_close_ack()

in qcom_glink_native.c [1567:1598]

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

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

	/* To wakeup any blocking writers */
	wake_up_all(&glink->tx_avail_notify);

	spin_lock_irqsave(&glink->idr_lock, flags);
	channel = idr_find(&glink->lcids, lcid);
	if (WARN(!channel, "close ack on unknown channel\n")) {
		spin_unlock_irqrestore(&glink->idr_lock, flags);
		return;
	}

	idr_remove(&glink->lcids, channel->lcid);
	channel->lcid = 0;
	spin_unlock_irqrestore(&glink->idr_lock, flags);

	/* Decouple the potential rpdev from the channel */
	if (channel->rpdev) {
		strscpy(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;

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