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

lib/kobject.c

@@ -793,11 +793,16 @@ static struct kset *kset_create(const char *name,
 				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;