On Fri, 2017-01-06 at 07:07 +0100, Michał Kępień wrote: > Add a new "global" (i.e. not per-rfkill device) LED trigger, rfkill- > any, > which may be useful on laptops with a single "radio LED" and multiple > radio transmitters. The trigger is meant to turn a LED on whenever > there is at least one radio transmitter active and turn it off > otherwise. > > Signed-off-by: Michał Kępień <kernel@xxxxxxxxxx> > --- > Changes from v3: > > - Revert introducing a new bitfield and instead defer LED event > firing > to a work queue to prevent conditional locking and ensure the > trigger can really be used from any context. This also voids the > need to take rfkill_global_mutex before calling > rfkill_set_block() > in rfkill_resume(). Looks better, but > +static struct work_struct rfkill_any_work; At least on module exit you need to cancel this work. johannes
