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(parent: 6f14dd6) | patch
gpio: mpc8xxx: Be sure to clamp return value
authorLinus Walleij <linus.walleij@linaro.org>
Mon, 21 Dec 2015 10:20:56 +0000 (11:20 +0100)
committerLinus Walleij <linus.walleij@linaro.org>
Sat, 26 Dec 2015 21:28:16 +0000 (22:28 +0100)
commitc759174e73ab4a2190244c903649032ac748586d
treeb3627c08e603d869e384fb8d2608b575021e7a57tree | snapshot (tar.gz zip)
parent6f14dd6964288ecb4cad7d14b966e6d347ce128bcommit | diff
gpio: mpc8xxx: 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: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: Alexander Stein <alexander.stein@systec-electronic.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
drivers/gpio/gpio-mpc8xxx.c diff | blob | blame | history