Hello
Patch based on ipip.c and ip6_tunnel.c
diff -Nru linux-2.6.9.org/net/ipv6/sit.c linux-2.6.9/net/ipv6/sit.c
--- linux-2.6.9.org/net/ipv6/sit.c 2004-10-18 23:55:18.000000000
+0200
+++ linux-2.6.9/net/ipv6/sit.c 2004-10-25 17:42:47.000000000 +0200
@@ -796,7 +796,10 @@
void __exit sit_cleanup(void)
{
- inet_del_protocol(&sit_protocol, IPPROTO_IPV6);
+
+ if (inet_del_protocol(&sit_protocol, IPPROTO_IPV6) <0)
+ printk(KERN_INFO "sit close: can't remove protocol\n");
+
unregister_netdev(ipip6_fb_tunnel_dev);
}