From: David S. Miller <davem@davemloft.net>
Date: Tue, 20 Jul 2010 05:01:26 +0000 (-0700)
Subject: ipv6: Make IP6CB(skb)->nhoff 16-bit.
X-Git-Tag: v2.6.36-rc1~571^2~156
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e7c38157c61649e66f853d7b9f109119b8361448;p=pandora-kernel.git

ipv6: Make IP6CB(skb)->nhoff 16-bit.

Even with jumbograms I cannot see any way in which we would need
to records a larger than 65535 valued next-header offset.

The maximum extension header length is (256 << 3) == 2048.
There are only a handful of extension headers specified which
we'd even accept (say 5 or 6), therefore the largest next-header
offset we'd ever have to contend with is something less than
say 16k.

Therefore make it a u16 instead of a u32.

Signed-off-by: David S. Miller <davem@davemloft.net>
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