On Mon, Dec 4, 2023 at 8:07 PM George Stark <[email protected]> wrote:
>
> In this driver LEDs are registered using devm_led_classdev_register()
> so they are automatically unregistered after module's remove() is done.
> led_classdev_unregister() calls module's led_set_brightness() to turn off
> the LEDs and that callback uses resources which were destroyed already
> in module's remove() so use devm API instead of remove().
...
> +static void aw200xx_chip_reset_action(void *data)
> +{
> + const struct aw200xx *chip = (struct aw200xx *)data;
> +
> + aw200xx_chip_reset(chip);
> +}
> +
> +static void aw200xx_disable_action(void *data)
> +{
> + const struct aw200xx *chip = (struct aw200xx *)data;
> +
> + aw200xx_disable(chip);
> +}
They can be made oneliners.
...
> + if (devm_mutex_init(&client->dev, &chip->mutex))
> + return -ENOMEM;
Do not shadow the real error code.
--
With Best Regards,
Andy Shevchenko