static void ipip_destroy_tunnels(struct ipip_net *ipn, struct list_head *head)
{
	int prio;

	for (prio = 1; prio < 4; prio++) {
		int h;
		for (h = 0; h < HASH_SIZE; h++) {
			struct ip_tunnel *t = ipn->tunnels[prio][h];

			while (t != NULL) {
				unregister_netdevice_queue(t->dev, head);
				t = t->next;
			}
		}
	}
}
static void ipip_destroy_tunnels(struct ipip_net *ipn, struct list_head *head)
{
	int prio;

	for (prio = 1; prio < 4; prio++) {
		int h;
		for (h = 0; h < HASH_SIZE; h++) {
			struct ip_tunnel *t = ipn->tunnels[prio][h];

			while (t != NULL) {
				unregister_netdevice_queue(t->dev, head);
				t = t->next;
			}
		}
	}
}