On 08/19/15 13:01, Mauro Carvalho Chehab wrote: > We can only free the media device after being sure that no > graph object is used. > > In order to help tracking it, let's add debug messages > that will print when the media controller gets registered > or unregistered. > > Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxx> Acked-by: Hans Verkuil <hans.verkuil@xxxxxxxxx> Thanks, Hans > > diff --git a/drivers/media/media-device.c b/drivers/media/media-device.c > index 065f6f08da37..0f3844470147 100644 > --- a/drivers/media/media-device.c > +++ b/drivers/media/media-device.c > @@ -359,6 +359,7 @@ static DEVICE_ATTR(model, S_IRUGO, show_model, NULL); > > static void media_device_release(struct media_devnode *mdev) > { > + dev_dbg(mdev->parent, "Media device released\n"); > } > > /** > @@ -397,6 +398,8 @@ int __must_check __media_device_register(struct media_device *mdev, > return ret; > } > > + dev_dbg(mdev->dev, "Media device registered\n"); > + > return 0; > } > EXPORT_SYMBOL_GPL(__media_device_register); > @@ -416,6 +419,8 @@ void media_device_unregister(struct media_device *mdev) > > device_remove_file(&mdev->devnode.dev, &dev_attr_model); > media_devnode_unregister(&mdev->devnode); > + > + dev_dbg(mdev->dev, "Media device unregistered\n"); > } > EXPORT_SYMBOL_GPL(media_device_unregister); > > -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html