diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 44225cb15f3a248fb842c6e3b3d3f188f47aa99d..b14ac46948c9e444246eba50e367ed1a16399ea2 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -1017,11 +1017,8 @@ acpi_bus_driver_init(struct acpi_device *device, struct acpi_driver *driver)
 		return -ENOSYS;
 
 	result = driver->ops.add(device);
-	if (result) {
-		device->driver = NULL;
-		device->driver_data = NULL;
+	if (result)
 		return result;
-	}
 
 	device->driver = driver;
 
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 5d7075d25700b3bbd2cbe65772391155d1a10d30..440eadf2d32cdd270a75e9023f9ef31a1d9ae794 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -1722,6 +1722,9 @@ static int acpi_video_bus_add(struct acpi_device *device)
 	int error;
 	acpi_status status;
 
+	if (device->handler)
+		return -EINVAL;
+
 	status = acpi_walk_namespace(ACPI_TYPE_DEVICE,
 				device->parent->handle, 1,
 				acpi_video_bus_match, NULL,