From: Johannes Berg <johannes.berg@intel.com>
Date: Thu, 13 Dec 2012 22:08:52 +0000 (+0100)
Subject: mac80211: use del_timer_sync for final sta cleanup timer deletion
X-Git-Tag: v3.2.38~123
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ac2c39824efafedca3fe02f429443cbfcd44cbaa;p=pandora-kernel.git

mac80211: use del_timer_sync for final sta cleanup timer deletion

commit a56f992cdabc63f56b4b142885deebebf936ff76 upstream.

This is a very old bug, but there's nothing that prevents the
timer from running while the module is being removed when we
only do del_timer() instead of del_timer_sync().

The timer should normally not be running at this point, but
it's not clearly impossible (or we could just remove this.)

Tested-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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