From: stephen hemminger <shemminger@vyatta.com>
Date: Mon, 2 Aug 2010 13:44:13 +0000 (+0000)
Subject: u32: negative offset fix
X-Git-Tag: v2.6.36-rc1~571^2~11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=66d50d25502cd9b7d6e3ebbf4e241259c1283eaf;p=pandora-kernel.git

u32: negative offset fix

It was possible to use a negative offset in a u32 match to reference
the ethernet header or other parts of the link layer header.
This fixes the regression caused by:

commit fbc2e7d9cf49e0bf89b9e91fd60a06851a855c5d
Author: Changli Gao <xiaosuo@gmail.com>
Date:   Wed Jun 2 07:32:42 2010 -0700

    cls_u32: use skb_header_pointer() to dereference data safely

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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