From 48a29516e8b0b8cd59f5afec90a14f49dd9cf967 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Tue, 2 Mar 2010 22:46:10 +0000
Subject: [PATCH] cpmac: use after free
The original code dereferenced "cpmac_mii" after calling
"mdiobus_free(cpmac_mii);"
Signed-off-by: Dan Carpenter <error27@gmail.com>
Reviewed-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/cpmac.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/cpmac.c b/drivers/net/cpmac.c
index b85c81f60d10..9d489421535e 100644
--- a/drivers/net/cpmac.c
+++ b/drivers/net/cpmac.c
@@ -1290,8 +1290,8 @@ void __devexit cpmac_exit(void)
{
platform_driver_unregister(&cpmac_driver);
mdiobus_unregister(cpmac_mii);
- mdiobus_free(cpmac_mii);
iounmap(cpmac_mii->priv);
+ mdiobus_free(cpmac_mii);
}
module_init(cpmac_init);
--
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