linux-kernel - [04/12] driver core fixes: retval check in class

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Message-ID: <20060913183842.733d561a@gondolin.boeblingen.de.ibm.com>
Date:	Wed, 13 Sep 2006 18:38:42 +0200
From:	Cornelia Huck <cornelia.huck@...ibm.com>
To:	Greg K-H <greg@...ah.com>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>
Subject: [04/12] driver core fixes: retval check in class_register()

From: Cornelia Huck <cornelia.huck@...ibm.com>

Check for return value of add_class_attrs() in class_register().

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

 class.c |    2 ++
 1 file changed, 2 insertions(+)

--- linux-2.6.18-rc6/drivers/base/class.c	2006-09-12 16:19:43.000000000 +0200
+++ linux-2.6.18-rc6+CH/drivers/base/class.c	2006-09-12 17:01:12.000000000 +0200
@@ -153,6 +153,8 @@ int class_register(struct class * cls)
 	error = subsystem_register(&cls->subsys);
 	if (!error) {
 		error = add_class_attrs(class_get(cls));
+		if (error)
+			subsystem_unregister(&cls->subsys);
 		class_put(cls);
 	}
 	return error;
-
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