diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index d9ce8c5..bc36edf 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -2595,15 +2595,11 @@
 	if (ret)
 		goto out;
 
-	ret = platform_driver_register(&serial8250_isa_driver);
-	if (ret)
-		goto unreg_uart_drv;
-
 	serial8250_isa_devs = platform_device_alloc("serial8250",
 						    PLAT8250_DEV_LEGACY);
 	if (!serial8250_isa_devs) {
 		ret = -ENOMEM;
-		goto unreg_plat_drv;
+		goto unreg_uart_drv;
 	}
 
 	ret = platform_device_add(serial8250_isa_devs);
@@ -2612,12 +2608,13 @@
 
 	serial8250_register_ports(&serial8250_reg, &serial8250_isa_devs->dev);
 
-	goto out;
+	ret = platform_driver_register(&serial8250_isa_driver);
+	if (ret == 0)
+		goto out;
 
+	platform_device_del(serial8250_isa_devs);
  put_dev:
 	platform_device_put(serial8250_isa_devs);
- unreg_plat_drv:
-	platform_driver_unregister(&serial8250_isa_driver);
  unreg_uart_drv:
 	uart_unregister_driver(&serial8250_reg);
  out: