media: vivid: two unregistration fixes

When the media device registration fails, don't call media_device_unregister
since the device was never actually registered.

When removing the module also call media_device_cleanup() to avoid a memory leak.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

drivers/media/platform/vivid/vivid-core.c

@@ -1478,9 +1478,6 @@ static int vivid_create_instance(struct platform_device *pdev, int inst)
 	return 0;
 
 unreg_dev:
-#ifdef CONFIG_MEDIA_CONTROLLER
-	media_device_unregister(&dev->mdev);
-#endif
 	video_unregister_device(&dev->radio_tx_dev);
 	video_unregister_device(&dev->radio_rx_dev);
 	video_unregister_device(&dev->sdr_cap_dev);
@@ -1553,6 +1550,7 @@ static int vivid_remove(struct platform_device *pdev)
 
 #ifdef CONFIG_MEDIA_CONTROLLER
 		media_device_unregister(&dev->mdev);
+		media_device_cleanup(&dev->mdev);
 #endif
 
 		if (dev->has_vid_cap) {