From e15736975955639daa8a913a5f2076ba1cef58a4 Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Mon, 21 Dec 2015 16:28:11 +0100 Subject: [PATCH] pinctrl: xway: 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: Pramod Gurav Cc: John Crispin Signed-off-by: Linus Walleij --- drivers/pinctrl/pinctrl-xway.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pinctrl/pinctrl-xway.c b/drivers/pinctrl/pinctrl-xway.c index e56222eac96c..ebd867f50700 100644 --- a/drivers/pinctrl/pinctrl-xway.c +++ b/drivers/pinctrl/pinctrl-xway.c @@ -660,7 +660,7 @@ static int xway_gpio_get(struct gpio_chip *chip, unsigned int pin) { struct ltq_pinmux_info *info = dev_get_drvdata(chip->parent); - return gpio_getbit(info->membase[0], GPIO_IN(pin), PORT_PIN(pin)); + return !!gpio_getbit(info->membase[0], GPIO_IN(pin), PORT_PIN(pin)); } static int xway_gpio_dir_in(struct gpio_chip *chip, unsigned int pin)