From: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Date: Wed, 8 Oct 2008 18:34:06 +0000 (-0700)
Subject: tcp: fix length used for checksum in a reset
X-Git-Tag: v2.6.28-rc1~717^2~94
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=52cd5750e81ec8d213949fa7c0d2e08907bf498b;p=pandora-kernel.git

tcp: fix length used for checksum in a reset

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.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
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