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Commit ff0432e5 authored by Yafang Shao's avatar Yafang Shao Committed by David S. Miller
Browse files

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: default avatarYafang Shao <laoar.shao@gmail.com>
Signed-off-by: default avatarEric Dumazet <edumazet@google.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 9cee8c43

net/ipv4/tcp_input.c

+0 −1
Original line number Diff line number Diff line
@@ -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)