int qrtr_endpoint_register(struct qrtr_endpoint *ep, unsigned int nid)
{
	struct qrtr_node *node;

	if (!ep || !ep->xmit)
		return -EINVAL;

	node = kzalloc(sizeof(*node), GFP_KERNEL);
	if (!node)
		return -ENOMEM;

	kref_init(&node->ref);
	mutex_init(&node->ep_lock);
	skb_queue_head_init(&node->rx_queue);
	node->nid = QRTR_EP_NID_AUTO;
	node->ep = ep;

	INIT_RADIX_TREE(&node->qrtr_tx_flow, GFP_KERNEL);
	mutex_init(&node->qrtr_tx_lock);

	qrtr_node_assign(node, nid);

	mutex_lock(&qrtr_node_lock);
	list_add(&node->item, &qrtr_all_nodes);
	mutex_unlock(&qrtr_node_lock);
	ep->node = node;

	return 0;
}
Unknown