Function ng_split_disconnect

freebsd/netgraph/ng_split.c:165–178

* Hook disconnection */

 * Hook disconnection
 */
static int
ng_split_disconnect(hook_p hook)
{
	hook_p		*localhook = NG_HOOK_PRIVATE(hook);

	KASSERT(localhook != NULL, ("%s: null info", __func__));
	*localhook = NULL;
	if ((NG_NODE_NUMHOOKS(NG_HOOK_NODE(hook)) == 0)
	    && (NG_NODE_IS_VALID(NG_HOOK_NODE(hook)))) {
		ng_rmnode_self(NG_HOOK_NODE(hook));
	}

	return (0);
}