diff --git a/drivers/bus/sunxi-rsb.c b/drivers/bus/sunxi-rsb.c
index 20ed77f2b949..fac8627b04e3 100644
--- a/drivers/bus/sunxi-rsb.c
+++ b/drivers/bus/sunxi-rsb.c
@@ -861,7 +861,13 @@ static int __init sunxi_rsb_init(void)
 		return ret;
 	}
 
-	return platform_driver_register(&sunxi_rsb_driver);
+	ret = platform_driver_register(&sunxi_rsb_driver);
+	if (ret) {
+		bus_unregister(&sunxi_rsb_bus);
+		return ret;
+	}
+
+	return 0;
 }
 module_init(sunxi_rsb_init);