[IPV6] IP6TUNNEL: Delete all tunnel device when unloading module. (b3fdd9f1) · Commits · 戴 / test

net/ipv6/ip6_tunnel.c

+17 −1

Original line number	Diff line number	Diff line
		@@ -1149,6 +1149,20 @@ fail:
		return err;
		}

		static void __exit ip6ip6_destroy_tunnels(void)
		{
		int h;
		struct ip6_tnl *t;

		for (h = 0; h < HASH_SIZE; h++) {
		while ((t = tnls_r_l[h]) != NULL)
		unregister_netdevice(t->dev);
		}

		t = tnls_wc[0];
		unregister_netdevice(t->dev);
		}

		/**
		* ip6_tunnel_cleanup - free resources and unregister protocol
		**/
		@@ -1158,7 +1172,9 @@ static void __exit ip6_tunnel_cleanup(void)
		if (xfrm6_tunnel_deregister(&ip6ip6_handler))
		printk(KERN_INFO "ip6ip6 close: can't deregister tunnel\n");

		unregister_netdev(ip6ip6_fb_tnl_dev);
		rtnl_lock();
		ip6ip6_destroy_tunnels();
		rtnl_unlock();
		}

		module_init(ip6_tunnel_init);