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Date:	Wed, 08 Oct 2008 11:34:42 -0700 (PDT)
From:	David Miller <>
Subject: Re: [PATCH net-yourcall] tcp: fix length used for checksum in a

From: "Ilpo Järvinen" <>
Date: Wed, 8 Oct 2008 14:45:35 +0300 (EEST)

> While looking for some common code I came across difference
> in checksum calculation between tcp_v6_send_(reset|ack) I
> couldn't explain. I checked both v4 and v6 and found out that
> both seem to have the same "feature". I couldn't find anything
> in rfc nor anywhere else which would state that md5 option
> should be ignored like it was in case of reset so I came to
> a conclusion that this is probably a genuine bug. I suspect
> that addition of md5 just was fooled by the excessive
> copy-paste code in those functions and the reset part was
> never tested well enough to find out the problem.
> I don't see any urge to put this to net-2.6 right before
> 2.6.27 considering it has been broken for ages without anybody
> noticing (considering the Linus' new always-been-like-that-
> but-now-just-enforced rule :-)).
> Signed-off-by: Ilpo Järvinen <>

Thanks for finding and fixing this bug, applied to net-next-2.6
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