> > drivers/leds/led-triggers.c:led_trigger_register:
> >
> > | read_lock(&leds_list_lock);
> > | list_for_each_entry(led_cdev, &leds_list, node) {
> > | down_write(&led_cdev->trigger_lock);
> >
> > introduced in
> >
> > commit dc47206e552c0850ad11f7e9a1fca0a3c92f5d65
> > Author: Richard Purdie <rpurdie@xxxxxxxxx>
> > Date: Sat Nov 10 13:29:04 2007 +0000
> >
> > leds: Fix led trigger locking bugs
> >
> > I guess the read_lock needs to be a mutex/rw semaphore.
>
> Uh, yes. Was this patch tested at all?
Not with default triggers, I guess. The code in question only triggers
when a default is assigned to any LED I think.
johannes
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