From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Date: Wed, 10 Feb 2010 12:32:49 +0000 (+0100)
Subject: class: Free the class private data in class_release
X-Git-Tag: v2.6.31.13~23
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6590bda22d4fd456ddbf8e70077e247d3014c333;p=thirdparty%2Fkernel%2Fstable.git

class: Free the class private data in class_release

commit 18d19c96457d172d913510c083bc7411ed40cb10 upstream.

Fix a memory leak by freeing the memory allocated in __class_register
for the class private data.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/base/class.c b/drivers/base/class.c
index eb85e4312301a..4317d4ca540a0 100644
--- a/drivers/base/class.c
+++ b/drivers/base/class.c
@@ -59,6 +59,8 @@ static void class_release(struct kobject *kobj)
 	else
 		pr_debug("class '%s' does not have a release() function, "
 			 "be careful\n", class->name);
+
+	kfree(cp);
 }
 
 static struct sysfs_ops class_sysfs_ops = {