linux-kernel - Re: [2.6.25-rc1] System no longer powers off after shutdown

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Date:	Fri, 15 Feb 2008 11:19:20 +0100
From:	Frans Pop <elendil@...net.nl>
To:	Greg KH <gregkh@...e.de>
Cc:	Yinghai Lu <yhlu.kernel@...il.com>, Ingo Molnar <mingo@...e.hu>,
	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org
Subject: Re: [2.6.25-rc1] System no longer powers off after shutdown

On Friday 15 February 2008, Greg KH wrote:
> I swear someone sent this patch in before.  Can you try this one below,
> there seems to be an imbalance with kobject_get and _put.

I did remember seeing this patch before [1] and can confirm that it does 
indeed fix the issue: with this patch applied to 2.6.25 git head my system 
powers off correctly.

[1] See http://lkml.org/lkml/2008/2/8/342; also added to #9960.

> ---
>  drivers/cpufreq/cpufreq.c |    8 --------
>  1 file changed, 8 deletions(-)
>
> --- a/drivers/cpufreq/cpufreq.c
> +++ b/drivers/cpufreq/cpufreq.c
> @@ -1006,14 +1006,6 @@ static int __cpufreq_remove_dev (struct
>  	}
>  #endif
>
> -
> -	if (!kobject_get(&data->kobj)) {
> -		spin_unlock_irqrestore(&cpufreq_driver_lock, flags);
> -		cpufreq_debug_enable_ratelimit();
> -		unlock_policy_rwsem_write(cpu);
> -		return -EFAULT;
> -	}
> -
>  #ifdef CONFIG_SMP
>
>  #ifdef CONFIG_HOTPLUG_CPU

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