linux-kernel - [Patch -mm] kobject: kobject

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Message-ID: <20070410143527.2b7718b8@gondolin.boeblingen.de.ibm.com>
Date:	Tue, 10 Apr 2007 14:35:27 +0200
From:	Cornelia Huck <cornelia.huck@...ibm.com>
To:	Greg K-H <greg@...ah.com>
Cc:	WANG Cong <xiyou.wangcong@...il.com>, linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	viro@...iv.linux.org.uk
Subject: [Patch -mm] kobject: kobject_add() reference leak

<This patch is the "pathological case" in the referenced mail.>

We leak a reference if we attempt to add a kobject with no name.

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

---
 lib/kobject.c |    1 +
 1 files changed, 1 insertion(+)

--- linux-2.6.21-rc6-mm1.orig/lib/kobject.c
+++ linux-2.6.21-rc6-mm1/lib/kobject.c
@@ -218,6 +218,7 @@ int kobject_shadow_add(struct kobject * 
 	if (!*kobj->k_name) {
 		pr_debug("kobject attempted to be registered with no name!\n");
 		WARN_ON(1);
+		kobject_put(kobj);
 		return -EINVAL;
 	}
 	parent = kobject_get(kobj->parent);
-
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