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Commit bc5ccdbc authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
Browse files

[media] au0828: Unregister notifiers 



If au0828 gets removed, we need to remove the notifiers.

Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@osg.samsung.com>
Reviewed-by: default avatarJavier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@osg.samsung.com>
parent 88336e17

drivers/media/usb/au0828/au0828-core.c

+26 −12
Original line number Diff line number Diff line
@@ -131,12 +131,27 @@ static int recv_control_msg(struct au0828_dev *dev, u16 request, u32 value, 
	return status;

}



#ifdef CONFIG_MEDIA_CONTROLLER

static void au0828_media_graph_notify(struct media_entity *new,

				      void *notify_data);

#endif



static void au0828_unregister_media_device(struct au0828_dev *dev)

{



#ifdef CONFIG_MEDIA_CONTROLLER

	if (dev->media_dev &&

		media_devnode_is_registered(&dev->media_dev->devnode)) {

	struct media_device *mdev = dev->media_dev;

	struct media_entity_notify *notify, *nextp;



	if (!mdev || !media_devnode_is_registered(&mdev->devnode))

		return;



	/* Remove au0828 entity_notify callbacks */

	list_for_each_entry_safe(notify, nextp, &mdev->entity_notify, list) {

		if (notify->notify != au0828_media_graph_notify)

			continue;

		media_device_unregister_entity_notify(mdev, notify);

	}



	/* clear enable_source, disable_source */

	dev->media_dev->source_priv = NULL;

	dev->media_dev->enable_source = NULL;
@@ -146,7 +161,6 @@ static void au0828_unregister_media_device(struct au0828_dev *dev) 
	media_device_cleanup(dev->media_dev);

	kfree(dev->media_dev);

	dev->media_dev = NULL;

	}

#endif

}