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| author | Linus Walleij <linus.walleij@linaro.org> | 2015-12-22 15:41:19 +0100 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2016-01-24 02:22:39 +0100 |
| commit | 8eb248fa8b3a3ff4174a33b797f2712fe4fed660 (patch) | |
| tree | 198306c2a46f514de7739ecb7662175a77a4ff5b | |
| parent | MIPS: TXx9: Be sure to clamp return value (diff) | |
| download | linux-8eb248fa8b3a3ff4174a33b797f2712fe4fed660.tar.xz linux-8eb248fa8b3a3ff4174a33b797f2712fe4fed660.zip | |
MIPS: RB532: 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.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Cc: linux-mips@linux-mips.org
Cc: linux-gpio@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/11924/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| -rw-r--r-- | arch/mips/rb532/gpio.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/mips/rb532/gpio.c b/arch/mips/rb532/gpio.c index 650d5d39f34d..fd1108543a71 100644 --- a/arch/mips/rb532/gpio.c +++ b/arch/mips/rb532/gpio.c @@ -89,7 +89,7 @@ static int rb532_gpio_get(struct gpio_chip *chip, unsigned offset) struct rb532_gpio_chip *gpch; gpch = container_of(chip, struct rb532_gpio_chip, chip); - return rb532_get_bit(offset, gpch->regbase + GPIOD); + return !!rb532_get_bit(offset, gpch->regbase + GPIOD); } /* |