From ccd5790e5f7fdc113f50a3d10c97446243d7e2fb Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Tue, 13 Dec 2011 10:45:55 +0100
Subject: [PATCH] hwmon: (coretemp) Fix oops on CPU offlining

This is for stable kernel branch 3.0 only. Previous and later versions
have different code paths and are not affected by this bug.

This is the same fix as "hwmon: (coretemp) Fix oops on driver load"
but for the CPU offlining case. Sorry for missing it at first.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Durgadoss R <durgadoss.r@intel.com>
Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/hwmon/coretemp.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c
index 835ae427d851..6163cfa95c3e 100644
--- a/drivers/hwmon/coretemp.c
+++ b/drivers/hwmon/coretemp.c
@@ -747,6 +747,8 @@ static void __cpuinit put_core_offline(unsigned int cpu)
 		return;
 
 	pdata = platform_get_drvdata(pdev);
+	if (!pdata)
+		return;
 
 	indx = TO_ATTR_NO(cpu);
 
-- 
2.39.5