From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: Sat, 7 Nov 2009 05:39:07 +0000 (-0800)
Subject: Input: fix locking in memoryless force-feedback devices
X-Git-Tag: v2.6.32-rc8~37^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bf3204cbff7d2606e758afb0994e8da6ae1c6c26;p=pandora-kernel.git

Input: fix locking in memoryless force-feedback devices

Now that input core acquires dev->event_lock spinlock and disables
interrupts when propagating input events, using spin_lock_bh() in
ff-memless driver is not allowed. Actually, the timer_lock itself
is not needed anymore, we should simply use dev->event_lock
as well.

Also do a small cleanup in force-feedback core.

Reported-by: kerneloops.org
Reported-by: http://www.kerneloops.org/searchweek.php?search=ml_ff_set_gain
Reported-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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