ipip6_tunnel_locate 786 net/ipv6/sit.c t = ipip6_tunnel_locate(net, &p, 0); ipip6_tunnel_locate 812 net/ipv6/sit.c t = ipip6_tunnel_locate(net, &p, cmd == SIOCADDTUNNEL); ipip6_tunnel_locate 864 net/ipv6/sit.c if ((t = ipip6_tunnel_locate(net, &p, 0)) == NULL)