Merge branch '6lowpan-next'

Alexander Aring says:

====================
6lowpan: fragmentation fixes

This patch series fix the 6LoWPAN fragmentation which are in two cases broken.

The first case is if we have exactly two 6LoWPAN fragments only. This is fixed
by patch "6lowpan_rtnl: fix fragmentation with two fragments".
The second case is a off by one issue if we have payload which hits the fragment
boundary.

Both issues are introduced by commit 87c96229bf437c70dbaedc1b8b8805a2997f930c
("6lowpan: fix fragmentation").
====================

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