On Tue, 5 Nov 2019 14:26:40 -0800 Gwendal Grignou <gwendal@xxxxxxxxxxxx> wrote: > Add a layer of sanity checking to cros_ec_register against attempting to > register IRQ values that are not strictly greater than 0. > > Signed-off-by: Enrico Granata <egranata@xxxxxxxxxxxx> > Signed-off-by: Gwendal Grignou <gwendal@xxxxxxxxxxxx> This strikes me as something that could be a potential fix to backport? Any known cases of a negative irq getting to here or is this a by inspection thing? Otherwise seems obviously correct. Acked-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> Jonathan > --- > No changes in v4, v3. > Changes in v2: > Remove dual Enrico's signature. > > drivers/platform/chrome/cros_ec.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/platform/chrome/cros_ec.c b/drivers/platform/chrome/cros_ec.c > index 925f84dbf621..d3dfa27171e6 100644 > --- a/drivers/platform/chrome/cros_ec.c > +++ b/drivers/platform/chrome/cros_ec.c > @@ -149,7 +149,7 @@ int cros_ec_register(struct cros_ec_device *ec_dev) > return err; > } > > - if (ec_dev->irq) { > + if (ec_dev->irq > 0) { > err = devm_request_threaded_irq(dev, ec_dev->irq, > ec_irq_handler, > ec_irq_thread,