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: firefly_0821_release~11625^2~15
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a206591bd37f7f63d1ccaabf73cbaff25b29f51d;p=firefly-linux-kernel-4.4.55.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 161746deab4b..6e2c3b064f53 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 = {