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(parent: 79bb71b) | patch
gpio: make library immune to error pointers
authorLinus Walleij <linus.walleij@linaro.org>
Thu, 16 Jun 2016 09:55:55 +0000 (11:55 +0200)
committerLinus Walleij <linus.walleij@linaro.org>
Fri, 17 Jun 2016 16:12:19 +0000 (18:12 +0200)
commitbfbbe44daf64d0ccf2de123179817f3557fb9237
tree051573607cf58ae0f743f2dc6b96ee3f308de840tree | snapshot (tar.gz zip)
parent79bb71bd1d93197ce227fa167b450b633f30a52bcommit | diff
gpio: make library immune to error pointers

Most functions that take a GPIO descriptor in need to check the
descriptor for IS_ERR(). We do this mostly in the VALIDATE_DESC()
macro except for the gpiod_to_irq() function which needs special
handling.

Cc: stable@vger.kernel.org
Reported-by: Grygorii Strashko <grygorii.strashko@ti.com>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Acked-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
drivers/gpio/gpiolib.c diff | blob | blame | history