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Commit 4a9a2968 authored by Herbert Xu's avatar Herbert Xu Committed by David S. Miller
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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: default avatarHerbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 745898ea

net/ipv4/tcp.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -2559,7 +2559,7 @@ found: 
	flush |= flags & TCP_FLAG_CWR;

	flush |= flags & TCP_FLAG_CWR;

	flush |= (flags ^ tcp_flag_word(th2)) &

	flush |= (flags ^ tcp_flag_word(th2)) &

		  ~(TCP_FLAG_CWR | TCP_FLAG_FIN | TCP_FLAG_PSH);

		  ~(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)

	for (i = sizeof(*th); !flush && i < thlen; i += 4)

		flush |= *(u32 *)((u8 *)th + i) ^

		flush |= *(u32 *)((u8 *)th + i) ^

			 *(u32 *)((u8 *)th2 + i);

			 *(u32 *)((u8 *)th2 + i);