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-rw-r--r--net/ipv4/tcp_output.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 4d36f0b093e6..4e985dea1dd2 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -3213,6 +3213,7 @@ struct sk_buff *tcp_make_synack(const struct sock *sk, struct dst_entry *dst,
tcp_ecn_make_synack(req, th);
th->source = htons(ireq->ir_num);
th->dest = ireq->ir_rmt_port;
+ skb->mark = ireq->ir_mark;
/* Setting of flags are superfluous here for callers (and ECE is
* not even correctly set)
*/