netdev - [PATCH 14/14] tcp: Do not check flush when comparing options for GRO

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Date:	Wed, 27 May 2009 14:50:34 +1000
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org
Subject: [PATCH 14/14] tcp: Do not check flush when comparing options for GRO

tcp: Do not check flush when comparing options for GRO

There is no need to repeatedly check flush when comparing TCP
options for GRO as it will be false 99% of the time where it
matters.

Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au>
---

 net/ipv4/tcp.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index c3dcec5..0fb8b44 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2570,7 +2570,7 @@ found:
 	flush |= (flags ^ tcp_flag_word(th2)) &
 		  ~(TCP_FLAG_CWR | TCP_FLAG_FIN | TCP_FLAG_PSH);
 	flush |= th->ack_seq ^ th2->ack_seq;
-	for (i = sizeof(*th); !flush && i < thlen; i += 4)
+	for (i = sizeof(*th); i < thlen; i += 4)
 		flush |= *(u32 *)((u8 *)th + i) ^
 			 *(u32 *)((u8 *)th2 + i);

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