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tcp: remove retransmit_skb_hint clearing from failure

This doesn't much sense here afaict, probably never has. Since
fragmenting and collapsing deal the hints by themselves, there
should be very little reason for the rexmit loop to do that.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
Ilpo Järvinen 16 年之前
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f0ceb0ed86
共有 1 個文件被更改,包括 1 次插入3 次删除
  1. 1 3
      net/ipv4/tcp_output.c

+ 1 - 3
net/ipv4/tcp_output.c

@@ -2096,10 +2096,8 @@ begin_fwd:
 		if (sacked & (TCPCB_SACKED_ACKED|TCPCB_SACKED_RETRANS))
 			continue;
 
-		if (tcp_retransmit_skb(sk, skb)) {
-			tp->retransmit_skb_hint = NULL;
+		if (tcp_retransmit_skb(sk, skb))
 			return;
-		}
 		NET_INC_STATS_BH(sock_net(sk), mib_idx);
 
 		if (skb == tcp_write_queue_head(sk))