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-rw-r--r--net/ipv4/syncookies.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c
index 345b2b0ff618..9a4f6b16c9bc 100644
--- a/net/ipv4/syncookies.c
+++ b/net/ipv4/syncookies.c
@@ -349,6 +349,10 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb)
req->ts_recent = tcp_opt.saw_tstamp ? tcp_opt.rcv_tsval : 0;
treq->snt_synack = 0;
treq->tfo_listener = false;
+
+ if (IS_ENABLED(CONFIG_MPTCP))
+ treq->is_mptcp = 0;
+
if (IS_ENABLED(CONFIG_SMC))
ireq->smc_ok = 0;