From 0178b695fd6b40a62a215cbeb03dd51ada3bb5e0 Mon Sep 17 00:00:00 2001
From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Thu, 5 Feb 2009 15:15:50 -0800
Subject: [PATCH] ipv6: Copy cork options in ip6_append_data

As the options passed to ip6_append_data may be ephemeral, we need
to duplicate it for corking.  This patch applies the simplest fix
which is to memdup all the relevant bits.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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