Re: [PATCH v5 3/3] drm: Add Generic USB Display driver

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Am Freitag, den 12.02.2021, 18:46 +0100 schrieb Noralf Trønnes:
> +static void gud_connector_early_unregister(struct drm_connector *connector)
> +{
> +       struct gud_connector *gconn = to_gud_connector(connector);
> +
> +       backlight_device_unregister(gconn->backlight);
> +       cancel_work_sync(&gconn->backlight_work);
> +}

Hi,

this looks like you are creating a race condition where the queued work
may operate on an already unregistered backlight.

	Regards
		Oliver





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