From 30a32e93117abf8b467897f4814e9b1261b3b803 Mon Sep 17 00:00:00 2001 From: Hongbo Li Date: Wed, 28 Aug 2024 20:20:39 +0800 Subject: gpio: Use IS_ERR_OR_NULL() helper function Use the IS_ERR_OR_NULL() helper instead of open-coding a NULL and an error pointer checks to simplify the code and improve readability. No functional changes are intended. Signed-off-by: Hongbo Li Link: https://lore.kernel.org/r/20240828122039.3697037-1-lihongbo22@huawei.com Signed-off-by: Bartosz Golaszewski --- drivers/gpio/gpiolib.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/gpio') diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 3903d0a75304..de425db71111 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -356,7 +356,7 @@ int gpiod_get_direction(struct gpio_desc *desc) * We cannot use VALIDATE_DESC() as we must not return 0 for a NULL * descriptor like we usually do. */ - if (!desc || IS_ERR(desc)) + if (IS_ERR_OR_NULL(desc)) return -EINVAL; CLASS(gpio_chip_guard, guard)(desc); @@ -3591,7 +3591,7 @@ int gpiod_to_irq(const struct gpio_desc *desc) * requires this function to not return zero on an invalid descriptor * but rather a negative error number. */ - if (!desc || IS_ERR(desc)) + if (IS_ERR_OR_NULL(desc)) return -EINVAL; gdev = desc->gdev; -- cgit v1.2.3