gpiolib: fix OOB access in quirk callbacks

Commit a2b5e20 ("gpiolib: rework quirk handling in of_find_gpio()") introduced an array of quirk functions which get iterated over. But a sentinal value is missing. Add it. Fixes: a2b5e20 ("gpiolib: rework quirk handling in of_find_gpio()") Signed-off-by: Michael Walle <[email protected]> Reviewed-by: Linus Walleij <[email protected]> Tested-by: Conor Dooley <[email protected]> Reviewed-by: Dmitry Torokhov <[email protected]> Tested-by: Marek Szyprowski <[email protected]> Tested-by: Biju Das <[email protected]> Signed-off-by: Bartosz Golaszewski <[email protected]>
fracktal · Sep 20, 2022 · 8b10ca2 · 8b10ca2
1 parent d9e7f0e
commit 8b10ca2
Showing 1 changed file with 1 addition and 0 deletions.
diff --git 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,