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-rw-r--r--net/ipv4/tcp_ipv4.c5
-rw-r--r--net/ipv6/tcp_ipv6.c6
2 files changed, 6 insertions, 5 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 7352c097ae48..25d35a56ceba 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -981,7 +981,8 @@ static int tcp_v4_send_synack(const struct sock *sk, struct dst_entry *dst,
skb = tcp_make_synack(sk, dst, req, foc, synack_type, syn_skb);
tos = sock_net(sk)->ipv4.sysctl_tcp_reflect_tos ?
- tcp_rsk(req)->syn_tos : inet_sk(sk)->tos;
+ tcp_rsk(req)->syn_tos & ~INET_ECN_MASK :
+ inet_sk(sk)->tos;
if (skb) {
__tcp_v4_send_check(skb, ireq->ir_loc_addr, ireq->ir_rmt_addr);
@@ -990,7 +991,7 @@ static int tcp_v4_send_synack(const struct sock *sk, struct dst_entry *dst,
err = ip_build_and_send_pkt(skb, sk, ireq->ir_loc_addr,
ireq->ir_rmt_addr,
rcu_dereference(ireq->ireq_opt),
- tos & ~INET_ECN_MASK);
+ tos);
rcu_read_unlock();
err = net_xmit_eval(err);
}
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 8db59f4e5f13..3d49e8d0afee 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -530,12 +530,12 @@ static int tcp_v6_send_synack(const struct sock *sk, struct dst_entry *dst,
rcu_read_lock();
opt = ireq->ipv6_opt;
tclass = sock_net(sk)->ipv4.sysctl_tcp_reflect_tos ?
- tcp_rsk(req)->syn_tos : np->tclass;
+ tcp_rsk(req)->syn_tos & ~INET_ECN_MASK :
+ np->tclass;
if (!opt)
opt = rcu_dereference(np->opt);
err = ip6_xmit(sk, skb, fl6, sk->sk_mark, opt,
- tclass & ~INET_ECN_MASK,
- sk->sk_priority);
+ tclass, sk->sk_priority);
rcu_read_unlock();
err = net_xmit_eval(err);
}