kobject: make kset_create check kobject_set_name return value

kset_create should check the kobject_set_name return value.

Add the return value checking code.

Signed-off-by: Dave Young <hidave.darkstar@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/lib/kobject.c b/lib/kobject.c
index bacf6fe..b512b74 100644
--- a/lib/kobject.c
+++ b/lib/kobject.c
@@ -793,11 +793,16 @@
 				struct kobject *parent_kobj)
 {
 	struct kset *kset;
+	int retval;
 
 	kset = kzalloc(sizeof(*kset), GFP_KERNEL);
 	if (!kset)
 		return NULL;
-	kobject_set_name(&kset->kobj, name);
+	retval = kobject_set_name(&kset->kobj, name);
+	if (retval) {
+		kfree(kset);
+		return NULL;
+	}
 	kset->uevent_ops = uevent_ops;
 	kset->kobj.parent = parent_kobj;