[lm-sensors] [PATCH] hwmon: (coretemp) Fix oops on CPU offlining

[lm-sensors] [PATCH] hwmon: (coretemp) Fix oops on CPU offlining

[Jean Delvare]

From: Jean Delvare <khali@linux-fr.org>
Subject: hwmon: (coretemp) Fix oops on CPU offlining

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>
Cc: Guenter Roeck <guenter.roeck@ericsson.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: stable@kernel.org
---
Once again only kernel branch 3.0 is affected.

 drivers/hwmon/coretemp.c |    2 ++
 1 file changed, 2 insertions(+)

--- linux-3.0.orig/drivers/hwmon/coretemp.c	2011-12-10 14:05:08.000000000 +0100
+++ linux-3.0/drivers/hwmon/coretemp.c	2011-12-10 16:26:59.000000000 +0100
@@ -747,6 +747,8 @@ static void __cpuinit put_core_offline(u
 		return;
 
 	pdata = platform_get_drvdata(pdev);
+	if (!pdata)
+		return;
 
 	indx = TO_ATTR_NO(cpu);
 


-- 
Jean Delvare

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Re: [lm-sensors] [PATCH] hwmon: (coretemp) Fix oops on CPU offlining

[Guenter Roeck]

On Sat, Dec 10, 2011 at 03:41:15PM -0500, Jean Delvare wrote:
> From: Jean Delvare <khali@linux-fr.org>
> Subject: hwmon: (coretemp) Fix oops on CPU offlining
> 
> 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>
> Cc: Guenter Roeck <guenter.roeck@ericsson.com>
> Cc: Fenghua Yu <fenghua.yu@intel.com>
> Cc: stable@kernel.org

Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>

> ---
> Once again only kernel branch 3.0 is affected.
> 
>  drivers/hwmon/coretemp.c |    2 ++
>  1 file changed, 2 insertions(+)
> 
> --- linux-3.0.orig/drivers/hwmon/coretemp.c	2011-12-10 14:05:08.000000000 +0100
> +++ linux-3.0/drivers/hwmon/coretemp.c	2011-12-10 16:26:59.000000000 +0100
> @@ -747,6 +747,8 @@ static void __cpuinit put_core_offline(u
>  		return;
>  
>  	pdata = platform_get_drvdata(pdev);
> +	if (!pdata)
> +		return;
>  
>  	indx = TO_ATTR_NO(cpu);
>  
> 
> 
> -- 
> Jean Delvare

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