[PATCH v5 3/3] drm: Add Generic USB Display driver
Oliver Neukum
oneukum at suse.de
Tue Feb 16 13:36:37 UTC 2021
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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