]> git.karo-electronics.de Git - linux-beck.git/commit
gpio: kempld: Be sure to clamp return value
authorLinus Walleij <linus.walleij@linaro.org>
Mon, 21 Dec 2015 10:04:26 +0000 (11:04 +0100)
committerLinus Walleij <linus.walleij@linaro.org>
Sat, 26 Dec 2015 21:28:12 +0000 (22:28 +0100)
commite9639436091a5c65c391d9b5e218eb5fbf30173d
treecbc30ff23791b1b70d9e54bc1be6b2cabf71606f
parent828240c27ad44dffc53d6d72794057297f58e28e
gpio: kempld: Be sure to clamp return value

As we want gpio_chip .get() calls to be able to return negative
error codes and propagate to drivers, we need to go over all
drivers and make sure their return values are clamped to [0,1].
We do this by using the ret = !!(val) design pattern.

Cc: Brunner Michael <Michael.Brunner@kontron.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
drivers/gpio/gpio-kempld.c