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gpio: Use IS_ERR_OR_NULL() helper function

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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 <lihongbo22@huawei.com>
Link: https://lore.kernel.org/r/20240828122039.3697037-1-lihongbo22@huawei.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
This commit is contained in:
Hongbo Li 2024-08-28 20:20:39 +08:00 committed by Bartosz Golaszewski
parent 931a36c413
commit 30a32e9311
1 changed files with 2 additions and 2 deletions
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4
drivers/gpio/gpiolib.c
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@ -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 * We cannot use VALIDATE_DESC() as we must not return 0 for a NULL
* descriptor like we usually do. * descriptor like we usually do.
*/ */
if (!desc || IS_ERR(desc)) if (IS_ERR_OR_NULL(desc))
return -EINVAL; return -EINVAL;
CLASS(gpio_chip_guard, guard)(desc); 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 * requires this function to not return zero on an invalid descriptor
* but rather a negative error number. * but rather a negative error number.
*/ */
if (!desc || IS_ERR(desc)) if (IS_ERR_OR_NULL(desc))
return -EINVAL; return -EINVAL;
gdev = desc->gdev; gdev = desc->gdev;