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tcp: reindent two spots after prequeue removal

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These two branches are now always true, remove the conditional.
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Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Westphal 2017-07-30 03:57:19 +02:00 committed by David S. Miller
parent e7942d0633
commit c13ee2a4f0
1 changed files with 23 additions and 27 deletions
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50
net/ipv4/tcp_input.c
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@ -4611,16 +4611,14 @@ static void tcp_data_queue(struct sock *sk, struct sk_buff *skb)
goto out_of_window;
/* Ok. In sequence. In window. */
if (eaten <= 0) {
queue_and_out:
if (eaten < 0) {
if (skb_queue_len(&sk->sk_receive_queue) == 0)
sk_forced_mem_schedule(sk, skb->truesize);
else if (tcp_try_rmem_schedule(sk, skb, skb->truesize))
goto drop;
}
eaten = tcp_queue_rcv(sk, skb, 0, &fragstolen);
if (eaten < 0) {
if (skb_queue_len(&sk->sk_receive_queue) == 0)
sk_forced_mem_schedule(sk, skb->truesize);
else if (tcp_try_rmem_schedule(sk, skb, skb->truesize))
goto drop;
}
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);
@ -5410,30 +5408,28 @@ void tcp_rcv_established(struct sock *sk, struct sk_buff *skb,
int eaten = 0;
bool fragstolen = false;
if (!eaten) {
if (tcp_checksum_complete(skb))
goto csum_error;
if (tcp_checksum_complete(skb))
goto csum_error;
if ((int)skb->truesize > sk->sk_forward_alloc)
goto step5;
if ((int)skb->truesize > sk->sk_forward_alloc)
goto step5;
/* Predicted packet is in window by definition.
* seq == rcv_nxt and rcv_wup <= rcv_nxt.
* Hence, check seq<=rcv_wup reduces to:
*/
if (tcp_header_len ==
(sizeof(struct tcphdr) + TCPOLEN_TSTAMP_ALIGNED) &&
tp->rcv_nxt == tp->rcv_wup)
tcp_store_ts_recent(tp);
/* Predicted packet is in window by definition.
* seq == rcv_nxt and rcv_wup <= rcv_nxt.
* Hence, check seq<=rcv_wup reduces to:
*/
if (tcp_header_len ==
(sizeof(struct tcphdr) + TCPOLEN_TSTAMP_ALIGNED) &&
tp->rcv_nxt == tp->rcv_wup)
tcp_store_ts_recent(tp);
tcp_rcv_rtt_measure_ts(sk, skb);
tcp_rcv_rtt_measure_ts(sk, skb);
NET_INC_STATS(sock_net(sk), LINUX_MIB_TCPHPHITS);
NET_INC_STATS(sock_net(sk), LINUX_MIB_TCPHPHITS);
/* Bulk data transfer: receiver */
eaten = tcp_queue_rcv(sk, skb, tcp_header_len,
&fragstolen);
}
/* Bulk data transfer: receiver */
eaten = tcp_queue_rcv(sk, skb, tcp_header_len,
&fragstolen);
tcp_event_data_recv(sk, skb);