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(parent: 39243ee) | 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)
committerRichard Weinberger <richard@nod.at>
Wed, 22 Jun 2016 22:29:31 +0000 (00:29 +0200)
commitc0a1ecb9f4e208f4b75d88fa9669748e3fd705ab
tree0801e8b3a6d396a26d3e9ec2ee6720ba22e3ea87tree | snapshot
parent39243ee771666e02201ba89c1d76fdc28e9cf681commit | 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 | history
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