From 33c34c5e9310622d5ed9a53d571f92824044020f Mon Sep 17 00:00:00 2001
From: "alex.bluesman.smirnov@gmail.com" <alex.bluesman.smirnov@gmail.com>
Date: Tue, 10 Jul 2012 21:22:48 +0000
Subject: [PATCH] 6lowpan: rework fragment-deleting routine

6lowpan module starts collecting incomming frames and fragments
right after lowpan_module_init() therefor it will be better to
clean unfinished fragments in lowpan_cleanup_module() function
instead of doing it when link goes down.

Changed spinlocks type to prevent deadlock with expired timer event
and removed unused one.

Signed-off-by: Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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