[TCP]: Honour sk_bound_dev_if in tcp_v4_send_ack

[safe/jmp/linux-2.6] / net / ipv4 / tcp_ipv4.c

diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 47c6105..97e294e 100644 (file)
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -705,6 +705,8 @@ static void tcp_v4_send_ack(struct tcp_timewait_sock *twsk,
                                      ip_hdr(skb)->saddr, /* XXX */
                                      arg.iov[0].iov_len, IPPROTO_TCP, 0);
        arg.csumoffset = offsetof(struct tcphdr, check) / 2;
+       if (twsk)
+               arg.bound_dev_if = twsk->tw_sk.tw_bound_dev_if;
 
        ip_send_reply(tcp_socket->sk, skb, &arg, arg.iov[0].iov_len);