From: Shan Wei <shanwei@cn.fujitsu.com>
Date: Fri, 12 Nov 2010 07:51:55 +0000 (+0100)
Subject: netfilter: ipv6: fix overlap check for fragments
X-Git-Tag: v2.6.37-rc2~20^2~21^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=22e091e5253da1e9ad7c0a82c2c84446fc403efe;p=pandora-kernel.git

netfilter: ipv6: fix overlap check for fragments

The type of FRAG6_CB(prev)->offset is int, skb->len is *unsigned* int,
and offset is int.

Without this patch, type conversion occurred to this expression, when
(FRAG6_CB(prev)->offset + prev->len) is less than offset.

Signed-off-by: Shan Wei <shanwei@cn.fujitsu.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
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