From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 26 Feb 2008 17:36:38 +0000 (-0800)
Subject: kobject: catch kobjects that are not initialized
X-Git-Tag: v2.6.26-rc1~1126^2~35
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=c1ebdae514a356c71c09035f5141d94aab5e8fe4;p=karo-tx-linux.git

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 <kay.sievers@vrfy.org>
Cc: Hannes Reinecke <hare@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/lib/kobject.c b/lib/kobject.c
index 0d03252f87a8..60ae9e817663 100644
--- 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)