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(parent: 5b8d8fb) | patch
gpio: em: Be sure to clamp return value
authorLinus Walleij <linus.walleij@linaro.org>
Mon, 21 Dec 2015 09:46:18 +0000 (10:46 +0100)
committerLinus Walleij <linus.walleij@linaro.org>
Sat, 26 Dec 2015 21:28:07 +0000 (22:28 +0100)
commit8388f2909c7e54678a4fe350382725c7d8ccfd85
tree06a9b83e6ab2379313873d719571821601bb726atree | snapshot
parent5b8d8fb0fc7412a4a7ec884b9d3b744aca2c462fcommit | diff
gpio: em: 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: Magnus Damm <damm@opensource.se>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
drivers/gpio/gpio-em.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git