From 7e223de84b73c621b90755dc4d8c8128e673b529 Mon Sep 17 00:00:00 2001
From: Anders Franzen <anders.franzen@ericsson.com>
Date: Tue, 19 Oct 2010 03:50:47 +0000
Subject: [PATCH] ip6_tunnel dont update the mtu on the route.

The ip6_tunnel device did not unset the flag,
IFF_XMIT_DST_RELEASE. This will make the dev layer
to release the dst before calling the tunnel.
The tunnel will not update any mtu/pmtu info, since
it does not have a dst on the skb.
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>

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