From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Thu, 10 May 2012 15:19:04 +0000 (+0300)
Subject: Staging: ipack: dereferencing freed memory
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=3a745b6f471dbd7e057b30e031e476c41c6a2bf8;p=linux-beck.git

Staging: ipack: dereferencing freed memory

We free "dev" then dereference it on the next line.

Cc: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/ipack/bridges/tpci200.c b/drivers/staging/ipack/bridges/tpci200.c
index ab6ea0a5548c..08cd85150ef2 100644
--- a/drivers/staging/ipack/bridges/tpci200.c
+++ b/drivers/staging/ipack/bridges/tpci200.c
@@ -867,8 +867,8 @@ static int tpci200_slot_unregister(struct ipack_device *dev)
 		return -ERESTARTSYS;
 
 	ipack_device_unregister(dev);
-	kfree(dev);
 	tpci200->slots[dev->slot].dev = NULL;
+	kfree(dev);
 	mutex_unlock(&tpci200->mutex);
 
 	return 0;