On Fri, 2006-12-15 at 18:20 +0100, dlezcano at fr.ibm.com wrote: > > --- 2.6.19-mm1.orig/net/ipv4/udp.c > +++ 2.6.19-mm1/net/ipv4/udp.c > @@ -306,9 +306,12 @@ static inline struct sock *udp_v4_mcast_ > (inet->dport != rmt_port && inet->dport) || > (inet->rcv_saddr && inet->rcv_saddr != loc_addr) || > ipv6_only_sock(s) || > - !net_ns_match(sk->sk_net_ns, ns) || > (s->sk_bound_dev_if && s->sk_bound_dev_if != dif)) > continue; > +#ifdef CONFIG_NET_NS > + if (!net_ns_sock_is_visible(sk, ns)) > + continue; > +#endif Why is this #ifdef needed? Isn't the stub in the header good enough? -- Dave