From 7a52127e3cf170ae71dadefef4ec82fb600cde2d Mon Sep 17 00:00:00 2001 From: Colin Ian King Date: Tue, 25 Sep 2018 10:55:56 +0100 Subject: pinctrl: mediatek: fix check on EINT_NA comparison Currently, the check on desc->eint.eint_n == EINT_NA is always false because this is comparing a u16 to -1 which can never be true. Fix this by casting EINT_NA to u16. Detected by CoverityScan, CID#1473610 ("Operands don't affect result") Fixes: fb5fa8dc151b ("pinctrl: mediatek: extend struct mtk_pin_desc to pinctrl-mtk-common-v2.c") Signed-off-by: Colin Ian King Signed-off-by: Linus Walleij --- drivers/pinctrl/mediatek/pinctrl-moore.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/pinctrl/mediatek') diff --git a/drivers/pinctrl/mediatek/pinctrl-moore.c b/drivers/pinctrl/mediatek/pinctrl-moore.c index 3bf5dd552749..3133ec0f2e67 100644 --- a/drivers/pinctrl/mediatek/pinctrl-moore.c +++ b/drivers/pinctrl/mediatek/pinctrl-moore.c @@ -476,7 +476,7 @@ static int mtk_gpio_to_irq(struct gpio_chip *chip, unsigned int offset) desc = (const struct mtk_pin_desc *)&hw->soc->pins[offset]; - if (desc->eint.eint_n == EINT_NA) + if (desc->eint.eint_n == (u16)EINT_NA) return -ENOTSUPP; return mtk_eint_find_irq(hw->eint, desc->eint.eint_n); @@ -493,7 +493,7 @@ static int mtk_gpio_set_config(struct gpio_chip *chip, unsigned int offset, if (!hw->eint || pinconf_to_config_param(config) != PIN_CONFIG_INPUT_DEBOUNCE || - desc->eint.eint_n == EINT_NA) + desc->eint.eint_n == (u16)EINT_NA) return -ENOTSUPP; debounce = pinconf_to_config_argument(config); -- cgit v1.2.3