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| author |   Herbert Xu <herbert@gondor.apana.org.au> | 2009-05-26 18:50:25 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2009-05-27 03:25:59 -0700 |
| commit | 4a9a2968a17eae42ef5dffca8b37534c864e30cc (patch) | |
| tree | 8fa6f421a04491546a25f18a30e2133d50d83c64 /net/ipv4/tcp.c | |
| parent | tcp: Optimise GRO port comparisons (diff) | |
| download | linux-dev-4a9a2968a17eae42ef5dffca8b37534c864e30cc.tar.xz linux-dev-4a9a2968a17eae42ef5dffca8b37534c864e30cc.zip | |
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>
Diffstat (limited to 'net/ipv4/tcp.c')
| -rw-r--r-- | net/ipv4/tcp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index ff6adecc54c6..313960e4cfdc 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -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); |