[Devel] Re: [patch 1/2] net namespace : Add broadcasting

[Dave Hansen]

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


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