linux-kernel - Re: [PATCH] ACPI / resources: Use AE_CTRL_TERMINATE to terminate resources walks

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Date:	Fri, 16 Nov 2012 16:27:58 +0200
From:	Mika Westerberg <mika.westerberg@...ux.intel.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ACPI / resources: Use AE_CTRL_TERMINATE to terminate
 resources walks

On Fri, Nov 16, 2012 at 02:49:10PM +0100, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> 
> Currently acpi_dev_process_resource() returns AE_ABORT_METHOD
> to terminate the acpi_walk_resources() it is called from if
> the .preproc() routine provided by the caller of
> acpi_dev_get_resources() initiating the resources walk returns
> an error code.  It is better to use AE_CTRL_TERMINATE for this
> purpose, however, so do that.
> 
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>

Reviewed-by: Mika Westerberg <mika.westerberg@...ux.intel.com>

> ---
>  drivers/acpi/resource.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> Index: linux/drivers/acpi/resource.c
> ===================================================================
> --- linux.orig/drivers/acpi/resource.c
> +++ linux/drivers/acpi/resource.c
> @@ -446,7 +446,7 @@ static acpi_status acpi_dev_process_reso
>  		ret = c->preproc(ares, c->preproc_data);
>  		if (ret < 0) {
>  			c->error = ret;
> -			return AE_ABORT_METHOD;
> +			return AE_CTRL_TERMINATE;
>  		} else if (ret > 0) {
>  			return AE_OK;
>  		}
--
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