If all we want to manage is a single pointer, there's no need to manually allocate and add a new devres. We can simply use devm_add_action_or_reset() and shrink the code by a good bit. Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> --- drivers/gpio/gpiolib-acpi.c | 20 +++++++------------- 1 file changed, 7 insertions(+), 13 deletions(-) diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c index 25ecc0a37054..7dd0484b89c6 100644 --- a/drivers/gpio/gpiolib-acpi.c +++ b/drivers/gpio/gpiolib-acpi.c @@ -579,28 +579,22 @@ void acpi_dev_remove_driver_gpios(struct acpi_device *adev) } EXPORT_SYMBOL_GPL(acpi_dev_remove_driver_gpios); -static void devm_acpi_dev_release_driver_gpios(struct device *dev, void *res) +static void acpi_dev_release_driver_gpios(void *adev) { - acpi_dev_remove_driver_gpios(ACPI_COMPANION(dev)); + acpi_dev_remove_driver_gpios(adev); } int devm_acpi_dev_add_driver_gpios(struct device *dev, const struct acpi_gpio_mapping *gpios) { - void *res; + struct acpi_device *adev = ACPI_COMPANION(dev); int ret; - res = devres_alloc(devm_acpi_dev_release_driver_gpios, 0, GFP_KERNEL); - if (!res) - return -ENOMEM; - - ret = acpi_dev_add_driver_gpios(ACPI_COMPANION(dev), gpios); - if (ret) { - devres_free(res); + ret = acpi_dev_add_driver_gpios(adev, gpios); + if (ret) return ret; - } - devres_add(dev, res); - return 0; + + return devm_add_action_or_reset(dev, acpi_dev_release_driver_gpios, adev); } EXPORT_SYMBOL_GPL(devm_acpi_dev_add_driver_gpios); -- 2.33.0