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linux-sg2042
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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>
This commit is contained in:
Yafang Shao 2018-07-14 16:36:29 +08:00 committed by David S. Miller
parent 9cee8c4375
commit ff0432e5a8
1 changed files with 0 additions and 1 deletions
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1
net/ipv4/tcp_input.c
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@ -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)