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 0d03252..60ae9e8 100644
--- a/lib/kobject.c
+++ b/lib/kobject.c
@@ -592,8 +592,15 @@
*/
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)