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linux-sg2042
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tcp: Remove unnecessary window comparisons for GRO 

The window has already been checked as part of the flag word
so there is no need to check it explicitly.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Herbert Xu 2009-05-26 18:50:25 +00:00 committed by David S. Miller
parent 745898eaf0
commit 4a9a2968a1
1 changed files with 1 additions and 1 deletions
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2
net/ipv4/tcp.c
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@ -2559,7 +2559,7 @@ found:
flush |= flags & TCP_FLAG_CWR;
flush |= (flags ^ tcp_flag_word(th2)) &
~(TCP_FLAG_CWR | TCP_FLAG_FIN | TCP_FLAG_PSH);
flush |= (th->ack_seq ^ th2->ack_seq) | (th->window ^ th2->window);
flush |= th->ack_seq ^ th2->ack_seq;
for (i = sizeof(*th); !flush && i < thlen; i += 4)
flush |= *(u32 *)((u8 *)th + i) ^
*(u32 *)((u8 *)th2 + i);