Messages in this thread Patch in this message | | | From | Yafang Shao <> | Subject | [PATCH net-next] tcp: remove redundant rcv_nxt update | Date | Sat, 14 Jul 2018 16:36:29 +0800 |
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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> --- 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 814ea43..3a54faf 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) -- 1.8.3.1
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