Function nge_disconnect

freebsd/netgraph/ng_echo.c:112–120

* Removal of the last link destroys the nodeo */

 * Removal of the last link destroys the nodeo
 */
static int
nge_disconnect(hook_p hook)
{
	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);
}