linux-kernel - Re: [PATCH] PM / Hibernate: Enable usermodehelpers in software

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Date:	Thu, 1 Dec 2011 22:52:47 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	"Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com>
Cc:	pavel@....cz, len.brown@...el.com, linux-kernel@...r.kernel.org,
	linux-pm@...r.kernel.org
Subject: Re: [PATCH] PM / Hibernate: Enable usermodehelpers in software_resume() error path

On Thursday, December 01, 2011, Srivatsa S. Bhat wrote:
> In the software_resume() function defined in kernel/power/hibernate.c,
> if the call to create_basic_memory_bitmaps() fails, the usermodehelpers
> are not enabled (which had been disabled in the previous step). Fix it.
> 
> Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@...ux.vnet.ibm.com>

Applied to linux-pm/linux-next.

Thanks,
Rafael


> ---
> 
>  kernel/power/hibernate.c |    4 +++-
>  1 files changed, 3 insertions(+), 1 deletions(-)
> 
> diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c
> index a6b0503..df35313 100644
> --- a/kernel/power/hibernate.c
> +++ b/kernel/power/hibernate.c
> @@ -811,8 +811,10 @@ static int software_resume(void)
>  		goto close_finish;
>  
>  	error = create_basic_memory_bitmaps();
> -	if (error)
> +	if (error) {
> +		usermodehelper_enable();
>  		goto close_finish;
> +	}
>  
>  	pr_debug("PM: Preparing processes for restore.\n");
>  	error = prepare_processes();
> 
> 
> 

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