1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/base/core.c b/drivers/base/core.c
index e73c92d13a23..4aa527b8a913 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -891,7 +891,8 @@ int device_add(struct device *dev)
                 set_dev_node(dev, dev_to_node(parent));
 
         /* first, register with generic layer. */
-        error = kobject_add(&dev->kobj, dev->kobj.parent, "%s", dev_name(dev));
+        /* we require the name to be set before, and pass NULL */
+        error = kobject_add(&dev->kobj, dev->kobj.parent, NULL);
         if (error)
                 goto Error;
 
@@ -1142,6 +1143,9 @@ int device_for_each_child(struct device *parent, void *data,
         struct device *child;
         int error = 0;
 
+        if (!parent->p)
+                return 0;
+
         klist_iter_init(&parent->p->klist_children, &i);
         while ((child = next_device(&i)) && !error)
                 error = fn(child, data);