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(parent: 5b818fd) | patch
gpio: sa1100: Be sure to clamp return value
authorLinus Walleij <linus.walleij@linaro.org>
Mon, 21 Dec 2015 10:36:28 +0000 (11:36 +0100)
committerLinus Walleij <linus.walleij@linaro.org>
Sat, 26 Dec 2015 21:28:21 +0000 (22:28 +0100)
commit6a681b61470e1daf4fd51581c21147f92fe7b75d
tree0ef68355a91de4718616e5a1ea87bbfdd0226243tree | snapshot (tar.gz zip)
parent5b818fd18c7b81bb41c8a18943e562407ac95952commit | diff
gpio: sa1100: 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: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Cc: Kristoffer Ericson <kristoffer.ericson@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
drivers/gpio/gpio-sa1100.c diff | blob | blame | history