gpio: fix gpio leak in gpiochip_add error path
authorJohan Hovold <johan@kernel.org>
Mon, 4 May 2015 15:23:25 +0000 (17:23 +0200)
committerLinus Walleij <linus.walleij@linaro.org>
Tue, 12 May 2015 08:56:28 +0000 (10:56 +0200)
commit6d86750ce62391f5a0a7985d5c050c2e3c823ab9
tree9e5d2939be3b01a3ffdec34c37640905e5389ced
parent030bbdbf4c833bc69f502eae58498bc5572db736
gpio: fix gpio leak in gpiochip_add error path

Make sure to free any hogged gpios on errors in gpiochip_add.

Also move all forward declarations to the top of the file.

Fixes: f625d4601759 ("gpio: add GPIO hogging mechanism")
Signed-off-by: Johan Hovold <johan@kernel.org>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
drivers/gpio/gpiolib.c