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tcp: remove obsolete comment about TCP_SKB_CB(skb)->when in tcp_fragment()

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The TCP_SKB_CB(skb)->when field no longer exists as of recent change
7faee5c0d5 ("tcp: remove TCP_SKB_CB(skb)->when"). And in any case,
tcp_fragment() is called on already-transmitted packets from the
__tcp_retransmit_skb() call site, so copying timestamps of any kind
in this spot is quite sensible.

Signed-off-by: Neal Cardwell <ncardwell@google.com>
Reported-by: Yuchung Cheng <ycheng@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Neal Cardwell 2014-09-06 11:18:20 -04:00 committed by David S. Miller
parent cfecec56ae
commit 87d943085b
1 changed files with 0 additions and 3 deletions
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3
net/ipv4/tcp_output.c
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@ -1146,9 +1146,6 @@ int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len,
buff->ip_summed = skb->ip_summed;
/* Looks stupid, but our code really uses when of
* skbs, which it never sent before. --ANK
*/
buff->tstamp = skb->tstamp;
tcp_fragment_tstamp(skb, buff);