1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/base/core.c b/drivers/base/core.c
index 0db47561331e..e21a65fc043e 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -378,6 +378,13 @@ int device_add(struct device *dev)
         if (!dev || !strlen(dev->bus_id))
                 goto Error;
 
+        /* if this is a class device, and has no parent, create one */
+        if ((dev->class) && (dev->parent == NULL)) {
+                error = virtual_device_parent(dev);
+                if (error)
+                        goto Error;
+        }
+
         parent = get_device(dev->parent);
 
         pr_debug("DEV: registering device: ID = '%s'\n", dev->bus_id);