From: Simon Horman <horms@verge.net.au>
Date: Tue, 28 May 2013 20:34:26 +0000 (+0000)
Subject: ipv6: Correct comparisons and calculations using skb->tail and skb-transport_header
X-Git-Tag: v3.11-rc1~16^2~277
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=29a3cad5c6ae9e7fbf1509d01d39c3c3c38f11f9;p=pandora-kernel.git

ipv6: Correct comparisons and calculations using skb->tail and skb-transport_header

This corrects an regression introduced by "net: Use 16bits for *_headers
fields of struct skbuff" when NET_SKBUFF_DATA_USES_OFFSET is not set. In
that case skb->tail will be a pointer whereas skb->transport_header
will be an offset from head. This is corrected by using wrappers that
ensure that comparisons and calculations are always made using pointers.

Signed-off-by: Simon Horman <horms@verge.net.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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