On Wed, Aug 19, 2015 at 07:11:55PM +0100, Salah Triki wrote: > poll_tick is declared global, so dgnc_driver_pollrate_store needs to take > the lock dgnc_poll_lock before modifying this variable. dgnc_poll_lock is > the appropriate lock, since it is intended for poll scheduling and > dgnc_poll_tick contains the poll rate. dgnc_poll_lock needs to be declared > not static and extern in order to be visible for dgnc_driver_pollrate_store. > > Signed-off-by: Salah Triki <salah.triki@xxxxxxx> > --- <snip> > + > + spin_lock_irqsave(&dgnc_poll_lock, flags); > + dgnc_poll_tick = tick; > + spin_unlock_irqstore(&dgnc_poll_lock, flags); Have you build tested it? regards sudip _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
