linux-kernel - kobject: Temporarily save k_name on cleanup for debug message.

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Message-ID: <20070920094221.59b78cfd@gondolin.boeblingen.de.ibm.com>
Date:	Thu, 20 Sep 2007 09:42:21 +0200
From:	Cornelia Huck <huckc@...ibm.com>
To:	Greg KH <gregkh@...e.de>
Cc:	Mariusz Kozlowski <m.kozlowski@...land.pl>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: kobject: Temporarily save k_name on cleanup for debug message.

On Wed, 19 Sep 2007 20:02:05 +0200,
Cornelia Huck <cornelia.huck@...ibm.com> wrote:

> > kobject drivers: cleaning up
> > kobject '<NULL>' does not have a release() function, if this is not a directory kobject, it is broken and must be fixed.
> 
> <Unrelated side note: We should probably save the kobject's name for
> printing this debug message, it looks a bit odd :)>

kobject: Temporarily save k_name on cleanup for debug message.

Signed-off-by: Cornelia Huck <cornelia.huck@...ibm.com>

---
 lib/kobject.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

--- linux-2.6.orig/lib/kobject.c
+++ linux-2.6/lib/kobject.c
@@ -498,9 +498,9 @@ void kobject_cleanup(struct kobject * ko
 	struct kobj_type * t = get_ktype(kobj);
 	struct kset * s = kobj->kset;
 	struct kobject * parent = kobj->parent;
+	const char *k_name = kobj->k_name;
 
 	pr_debug("kobject %s: cleaning up\n",kobject_name(kobj));
-	kfree(kobj->k_name);
 	kobj->k_name = NULL;
 	if (t && t->release)
 		t->release(kobj);
@@ -508,8 +508,8 @@ void kobject_cleanup(struct kobject * ko
 		pr_debug("kobject '%s' does not have a release() function, "
 			"if this is not a directory kobject, it is broken "
 			"and must be fixed.\n",
-			kobject_name(kobj));
-
+			k_name);
+	kfree(k_name);
 	if (s)
 		kset_put(s);
 	kobject_put(parent);
-
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