Message ID | 20220920142718.633062-1-frattaroli.nicolas@gmail.com |
---|---|
State | New |
Headers | show |
Series | gpiolib: Fix missing array end sentinel in quirks array | expand |
On Dienstag, 20. September 2022 16:27:18 CEST Nicolas Frattaroli wrote: > Without the sentinel, the loop never actually terminates if there > are no quirks, and wreaks havoc across the kernel resulting in a > juicy panic. > > Fix this by adding a NULL at the end. > > Fixes: a2b5e207cade ("gpiolib: rework quirk handling in of_find_gpio()") > Signed-off-by: Nicolas Frattaroli <frattaroli.nicolas@gmail.com> > --- > drivers/gpio/gpiolib-of.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c > index 95be5f0d2623..1b60cd04883f 100644 > --- a/drivers/gpio/gpiolib-of.c > +++ b/drivers/gpio/gpiolib-of.c > @@ -498,6 +498,7 @@ static const of_find_gpio_quirk of_find_gpio_quirks[] = { > of_find_regulator_gpio, > of_find_arizona_gpio, > of_find_usb_gpio, > + NULL, > }; > > struct gpio_desc *of_find_gpio(struct device *dev, const char *con_id, > Disregard this, just saw it was already fixed[1]. Regards, Nicolas Frattaroli [1]: https://lore.kernel.org/linux-gpio/CAMRc=MeF-81yottUqqYdHmuFokysyNsXTgU+FOFWv7bL=QMJOg@mail.gmail.com/T/
diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c index 95be5f0d2623..1b60cd04883f 100644 --- a/drivers/gpio/gpiolib-of.c +++ b/drivers/gpio/gpiolib-of.c @@ -498,6 +498,7 @@ static const of_find_gpio_quirk of_find_gpio_quirks[] = { of_find_regulator_gpio, of_find_arizona_gpio, of_find_usb_gpio, + NULL, }; struct gpio_desc *of_find_gpio(struct device *dev, const char *con_id,
Without the sentinel, the loop never actually terminates if there are no quirks, and wreaks havoc across the kernel resulting in a juicy panic. Fix this by adding a NULL at the end. Fixes: a2b5e207cade ("gpiolib: rework quirk handling in of_find_gpio()") Signed-off-by: Nicolas Frattaroli <frattaroli.nicolas@gmail.com> --- drivers/gpio/gpiolib-of.c | 1 + 1 file changed, 1 insertion(+)