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ARM: scoop: Be sure to clamp return value
authorLinus Walleij <linus.walleij@linaro.org>
Tue, 22 Dec 2015 14:35:47 +0000 (15:35 +0100)
committerOlof Johansson <olof@lixom.net>
Tue, 22 Dec 2015 22:57:21 +0000 (14:57 -0800)
commit86d5e657d27851beb0e3e7bf48f13263acc5196a
tree645c7c166e93056ed3c08c02bc5173847f640e9etree | snapshot (tar.gz zip)
parent4749edf82fac0a370fadb9ba9fdb14f5626056a7commit | diff
ARM: scoop: 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: arm@kernel.org
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
arch/arm/common/scoop.c diff | blob | blame | history