net: send SYNACK packet with accepted fwmark

commit e05a90e ("net: reflect mark on tcp syn ack packets") fixed IPv4 only. This part is for the IPv6 side. Fixes: e05a90e ("net: reflect mark on tcp syn ack packets") Signed-off-by: Alexander Ovechkin <[email protected]> Acked-by: Dmitry Yakunin <[email protected]> Reviewed-by: Eric Dumazet <[email protected]> Signed-off-by: David S. Miller <[email protected]>
jerrinot · Jul 9, 2021 · 43b90bf · 43b90bf
1 parent 0336f8f
commit 43b90bf
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
@@ -555,7 +555,7 @@ static int tcp_v6_send_synack(const struct sock *sk, struct dst_entry *dst,
 		opt = ireq->ipv6_opt;
 		if (!opt)
 			opt = rcu_dereference(np->opt);
-		err = ip6_xmit(sk, skb, fl6, sk->sk_mark, opt,
+		err = ip6_xmit(sk, skb, fl6, skb->mark ? : sk->sk_mark, opt,
 			       tclass, sk->sk_priority);
 		rcu_read_unlock();
 		err = net_xmit_eval(err);