From 25d7a9aa3404bd264043903cb1b7bde114b224ce Mon Sep 17 00:00:00 2001
From: Pan Bian <bianpan2016@163.com>
Date: Sun, 29 Oct 2017 21:57:22 +0800
Subject: [PATCH] net: lapbether: fix double free

The function netdev_priv() returns the private data of the device. The
memory to store the private data is allocated in alloc_netdev() and is
released in netdev_free(). Calling kfree() on the return value of
netdev_priv() after netdev_free() results in a double free bug.

Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/wan/lapbether.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/net/wan/lapbether.c b/drivers/net/wan/lapbether.c
index 63f749078a1f1..0e3f8ed84660e 100644
--- a/drivers/net/wan/lapbether.c
+++ b/drivers/net/wan/lapbether.c
@@ -346,7 +346,6 @@ out:
 fail:
 	dev_put(dev);
 	free_netdev(ndev);
-	kfree(lapbeth);
 	goto out;
 }
 
-- 
2.39.5