kobject: catch kobjects that are not initialized

Add warnings to kobject_put() to catch kobjects that are cleaned up but were never initialized to begin with. Cc: Kay Sievers <[email protected]> Cc: Hannes Reinecke <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
naresharelli · Apr 20, 2008 · c1ebdae · c1ebdae
1 parent 3925e6f
commit c1ebdae
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/lib/kobject.c b/lib/kobject.c
@@ -592,8 +592,15 @@ static void kobject_release(struct kref *kref)
  */
 void kobject_put(struct kobject *kobj)
 {
-	if (kobj)
+	if (kobj) {
+		if (!kobj->state_initialized) {
+			printk(KERN_WARNING "kobject: '%s' (%p): is not "
+			       "initialized, yet kobject_put() is being "
+			       "called.\n", kobject_name(kobj), kobj);
+			WARN_ON(1);
+		}
 		kref_put(&kobj->kref, kobject_release);
+	}
 }
 
 static void dynamic_kobj_release(struct kobject *kobj)