Function ng_device_disconnect

freebsd/netgraph/ng_device.c:297–317

* Removal of the hook destroys the node. */

 * Removal of the hook destroys the node.
 */
static int
ng_device_disconnect(hook_p hook)
{
	priv_p priv = NG_NODE_PRIVATE(NG_HOOK_NODE(hook));

	DBG;

	destroy_dev(priv->ngddev);
	mtx_destroy(&priv->ngd_mtx);

	IF_DRAIN(&priv->readq);
	mtx_destroy(&(priv)->readq.ifq_mtx);

	free_unr(ngd_unit, priv->unit);

	free(priv, M_NETGRAPH);

	ng_rmnode_self(NG_HOOK_NODE(hook));

	return(0);
}

/*
 * Node shutdown. Everything is already done in disconnect method.