On Mon, Aug 24, 2015 at 06:16:21PM +0530, Sudip Mukherjee wrote: > 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 no regards -- salah triki _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel