On Wed, 20 Feb 2008, Rafael J. Wysocki wrote:

quoted text
> Hi Greg,
> 
> Please consider taking the following fix for 2.6.25.

Don't just consider it!  :-)  It's a real bug fix.

quoted text
> Thanks,
> Rafael
> 
> ---
> From: Rafael J. Wysocki <rjw@sisk.pl>
> 
> Remove an unnecessary unlocking of dpm_list_mtx in the error path
> in drivers/base/power/main.c:dpm_suspend() .
> 
> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
> ---
>  drivers/base/power/main.c |    1 -
>  1 file changed, 1 deletion(-)
> 
> Index: linux-2.6/drivers/base/power/main.c
> ===================================================================
> --- linux-2.6.orig/drivers/base/power/main.c
> +++ linux-2.6/drivers/base/power/main.c
> @@ -479,7 +479,6 @@ static int dpm_suspend(pm_message_t stat
>  			mutex_lock(&dpm_list_mtx);
>  			if (list_empty(&dev->power.entry))
>  				list_add(&dev->power.entry, &dpm_locked);
> -			mutex_unlock(&dpm_list_mtx);
>  			break;
>  		}
>  		mutex_lock(&dpm_list_mtx);

Acked-by: Alan Stern <stern@rowland.harvard.edu>

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