[PATCH 4/6] Driver core: Fix memory leak on sysdev_class_register error path

[Patrick Pannuto]

This leak is the same as the bus path; cls->kset.kobj.name is
set, but kset_register fails, thus nothing will ever call
kset_unregister and name will be leaked

Signed-off-by: Patrick Pannuto <ppannuto@xxxxxxxxxxxxxx>
---
 drivers/base/sys.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/base/sys.c b/drivers/base/sys.c
index 9354dc1..e5deab1 100644
--- a/drivers/base/sys.c
+++ b/drivers/base/sys.c
@@ -22,6 +22,7 @@
 #include <linux/device.h>
 #include <linux/mutex.h>
 #include <linux/interrupt.h>
+#include <linux/slab.h>
 
 #include "base.h"
 
@@ -148,6 +149,8 @@ int sysdev_class_register(struct sysdev_class *cls)
 	if (!retval && cls->attrs)
 		retval = sysfs_create_files(&cls->kset.kobj,
 					    (const struct attribute **)cls->attrs);
+	else
+		kfree(cls->kset.kobj.name);
 	return retval;
 }
 
-- 
1.7.2

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