From f14413184b1de4dcbd5ec3e7c129c3ce2079f543 Mon Sep 17 00:00:00 2001
From: Matthew Garrett <mjg59@srcf.ucam.org>
Date: Wed, 20 Aug 2008 14:08:57 -0700
Subject: [PATCH] eeepc-laptop: fix use after free

eeepc-laptop uses the hwmon struct after unregistering the device, causing
an oops on module unload.  Flip the ordering to fix.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Cc: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Cc: Corentin Chary <corentincj@iksaif.net>
Cc: Karol Kozimor <sziwan@users.sourceforge.net>
Cc: <stable@kernel.org>		[2.6.26.x]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/misc/eeepc-laptop.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/misc/eeepc-laptop.c b/drivers/misc/eeepc-laptop.c
index 9e8d79e7e9..facdb9893c 100644
--- a/drivers/misc/eeepc-laptop.c
+++ b/drivers/misc/eeepc-laptop.c
@@ -553,9 +553,9 @@ static void eeepc_hwmon_exit(void)
 	hwmon = eeepc_hwmon_device;
 	if (!hwmon)
 		return ;
-	hwmon_device_unregister(hwmon);
 	sysfs_remove_group(&hwmon->kobj,
 			   &hwmon_attribute_group);
+	hwmon_device_unregister(hwmon);
 	eeepc_hwmon_device = NULL;
 }
 
-- 
2.39.5