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_gainReported-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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