--- x/net/bluetooth/hci_core.c
+++ y/net/bluetooth/hci_core.c
@@ -2598,7 +2598,7 @@ int hci_register_dev(struct hci_dev *hde
 	if (!IS_ERR_OR_NULL(bt_debugfs))
 		hdev->debugfs = debugfs_create_dir(hdev->name, bt_debugfs);
 
-	error = device_add(&hdev->dev);
+	error = device_register(&hdev->dev);
 	if (error < 0)
 		goto err_wqueue;