tcp: remove redundant rcv_nxt update
tcp_rcv_nxt_update() is already executed in tcp_data_queue().
This line is redundant.
See bellow,
tcp_queue_rcv
tcp_rcv_nxt_update(tcp_sk(sk), TCP_SKB_CB(skb)->end_seq);
tcp_rcv_nxt_update(tp, TCP_SKB_CB(skb)->end_seq); <<<< redundant
Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index d3b6390..fac5d03 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -4695,7 +4695,6 @@ static void tcp_data_queue(struct sock *sk, struct sk_buff *skb)
}
eaten = tcp_queue_rcv(sk, skb, 0, &fragstolen);
- tcp_rcv_nxt_update(tp, TCP_SKB_CB(skb)->end_seq);
if (skb->len)
tcp_event_data_recv(sk, skb);
if (TCP_SKB_CB(skb)->tcp_flags & TCPHDR_FIN)