On Mon, Dec 4, 2023 at 8:07 PM George Stark <gnstark@xxxxxxxxxxxxxxxxx> 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