From ff0432e5a8025df895813408325b2afdfa21f946 Mon Sep 17 00:00:00 2001 From: Yafang Shao Date: Sat, 14 Jul 2018 16:36:29 +0800 Subject: [PATCH] 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 Signed-off-by: Eric Dumazet Signed-off-by: David S. Miller --- net/ipv4/tcp_input.c | 1 - 1 file changed, 1 deletion(-) 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 @@ queue_and_out: } 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) -- 2.7.4