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-rw-r--r--net/mptcp/subflow.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c
index 6eb2fc0a8ebb..8c9418d1901b 100644
--- a/net/mptcp/subflow.c
+++ b/net/mptcp/subflow.c
@@ -816,6 +816,7 @@ static void mptcp_subflow_discard_data(struct sock *ssk, struct sk_buff *skb,
pr_debug("discarding=%d len=%d seq=%d", incr, skb->len,
subflow->map_subflow_seq);
+ MPTCP_INC_STATS(sock_net(ssk), MPTCP_MIB_DUPDATA);
tcp_sk(ssk)->copied_seq += incr;
if (!before(tcp_sk(ssk)->copied_seq, TCP_SKB_CB(skb)->end_seq))
sk_eat_skb(ssk, skb);