From: Jarek Poplawski <jarkao2@gmail.com>
Date: Wed, 11 Aug 2010 02:02:10 +0000 (+0000)
Subject: net: Fix a memmove bug in dev_gro_receive()
X-Git-Tag: v2.6.36-rc2~49^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e5093aec2e6b60c3df2420057ffab9ed4a6d2792;p=pandora-kernel.git

net: Fix a memmove bug in dev_gro_receive()

>Xin Xiaohui wrote:
> I looked into the code dev_gro_receive(), found the code here:
> if the frags[0] is pulled to 0, then the page will be released,
> and memmove() frags left.
> Is that right? I'm not sure if memmove do right or not, but
> frags[0].size is never set after memove at least. what I think
> a simple way is not to do anything if we found frags[0].size == 0.
> The patch is as followed.
...

This version of the patch fixes the bug directly in memmove.

Reported-by: "Xin, Xiaohui" <xiaohui.xin@intel.com>
Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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