diff --git a/drivers/base/core.c b/drivers/base/core.c
index 658eae5dacda194d7d3396b16616e124b6cdedd4..9ea12d9b48a68056edc13a690b1af7561aac37c4 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -43,7 +43,8 @@ int (*platform_notify_remove)(struct device * dev) = NULL;
 const char *dev_driver_string(struct device *dev)
 {
 	return dev->driver ? dev->driver->name :
-			(dev->bus ? dev->bus->name : "");
+			(dev->bus ? dev->bus->name :
+			(dev->class ? dev->class->name : ""));
 }
 EXPORT_SYMBOL(dev_driver_string);