From 5d02b3cdfafeb23ab7cf43ef1d2118007370e8d0 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Linus=20L=C3=BCssing?= <linus.luessing@ascom.ch>
Date: Sun, 13 Feb 2011 21:13:02 +0000
Subject: [PATCH] batman-adv: Make bat_priv->curr_gw an rcu protected pointer
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The rcu protected macros rcu_dereference() and rcu_assign_pointer()
for the bat_priv->curr_gw need to be used, as well as spin/rcu locking.

Otherwise we might end up using a curr_gw pointer pointing to already
freed memory.

Reported-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Linus Lüssing <linus.luessing@ascom.ch>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
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