--- zzzz-none-000/linux-3.10.107/drivers/hid/hid-picolcd_lcd.c 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/drivers/hid/hid-picolcd_lcd.c 2021-02-04 17:41:59.000000000 +0000 @@ -92,8 +92,7 @@ struct lcd_device *ldev = data->lcd; data->lcd = NULL; - if (ldev) - lcd_device_unregister(ldev); + lcd_device_unregister(ldev); } int picolcd_resume_lcd(struct picolcd_data *data)