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(parent: e963943) | patch
gpio: lpc32xx: Be sure to clamp return value
authorLinus Walleij <linus.walleij@linaro.org>
Mon, 21 Dec 2015 10:10:06 +0000 (11:10 +0100)
committerLinus Walleij <linus.walleij@linaro.org>
Sat, 26 Dec 2015 21:28:13 +0000 (22:28 +0100)
commit2e6d84564c07452ed10a7601484765d37880cc3a
tree6ee9dd4c9b492b424d575ea78307d28861d9442btree | snapshot
parente9639436091a5c65c391d9b5e218eb5fbf30173dcommit | diff
gpio: lpc32xx: 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: Roland Stigge <stigge@antcom.de>
Cc: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
drivers/gpio/gpio-lpc32xx.c diff | blob | history
Beck SC1x5 Kernel