[media] drivers/media/media-device: move debug log before _devnode_unregister()

After media_devnode_unregister(), the struct media_device may be freed
already, and dereferencing it may crash.

Signed-off-by: Max Kellermann <max@duempel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

diff --git a/drivers/media/media-device.c b/drivers/media/media-device.c
index 898a3cf814ba9e98009ddc23575e6f89c7b86c16..de92a6bf3751240447b5929eeba5a96fed1b0af0 100644 (file)
--- a/drivers/media/media-device.c
+++ b/drivers/media/media-device.c
@@ -801,9 +801,8 @@ void media_device_unregister(struct media_device *mdev)
        mutex_unlock(&mdev->graph_mutex);
 
        device_remove_file(&mdev->devnode.dev, &dev_attr_model);
+       dev_dbg(mdev->dev, "Media device unregistering\n");
        media_devnode_unregister(&mdev->devnode);
-
-       dev_dbg(mdev->dev, "Media device unregistered\n");
 }
 EXPORT_SYMBOL_GPL(media_device_unregister);