linux-kernel - Re: [PATCH 1/8] cpu_pm: add syscore

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Date:   Fri, 12 Jan 2018 14:07:32 -0800
From:   Brian Norris <briannorris@...omium.org>
To:     Derek Basehore <dbasehore@...omium.org>
Cc:     linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
        rafael.j.wysocki@...el.com, tglx@...utronix.de,
        marc.zyngier@....com
Subject: Re: [PATCH 1/8] cpu_pm: add syscore_suspend error handling

On Fri, Jan 12, 2018 at 01:24:15PM -0800, Derek Basehore wrote:
> If cpu_cluster_pm_enter() fails, cpu_pm_exit() should be called. This
> will put the CPU in the correct state to resume from the failure.
> 
> Change-Id: I4e499d686ea6046103be355d3a92bb0d51525f53

If you ran checkpatch.pl, it would warn you not to include Gerrit IDs
here :)

Brian

> Signed-off-by: Derek Basehore <dbasehore@...omium.org>
> ---
>  kernel/cpu_pm.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/kernel/cpu_pm.c b/kernel/cpu_pm.c
> index 67b02e138a47..03bcc0751a51 100644
> --- a/kernel/cpu_pm.c
> +++ b/kernel/cpu_pm.c
> @@ -186,6 +186,9 @@ static int cpu_pm_suspend(void)
>  		return ret;
>  
>  	ret = cpu_cluster_pm_enter();
> +	if (ret)
> +		cpu_pm_exit();
> +
>  	return ret;
>  }
>  
> -- 
> 2.16.0.rc1.238.g530d649a79-goog
>