linux-kernel - Re: [PATCH] PM / Sleep: Remove unnecessary label and jumps to it form PM core code

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Date:	Mon, 21 Nov 2011 18:24:07 +0530
From:	"Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
CC:	Linux PM list <linux-pm@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] PM / Sleep: Remove unnecessary label and jumps to it
 form PM core code

On 11/20/2011 03:24 AM, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rjw@...k.pl>
> 
> The "End" label in device_prepare() in drivers/base/power/main.c is
> not necessary and the jumps to it have no real effect, so remove them
> all.
> 
> Signed-off-by: Rafael J. Wysocki <rjw@...k.pl>

Reviewed-by: Srivatsa S. Bhat <srivatsa.bhat@...ux.vnet.ibm.com>

Thanks,
Srivatsa S. Bhat

> ---
>  drivers/base/power/main.c |    7 -------
>  1 file changed, 7 deletions(-)
> 
> Index: linux/drivers/base/power/main.c
> ===================================================================
> --- linux.orig/drivers/base/power/main.c
> +++ linux/drivers/base/power/main.c
> @@ -1033,22 +1033,16 @@ static int device_prepare(struct device
>  		if (dev->pm_domain->ops.prepare)
>  			error = dev->pm_domain->ops.prepare(dev);
>  		suspend_report_result(dev->pm_domain->ops.prepare, error);
> -		if (error)
> -			goto End;
>  	} else if (dev->type && dev->type->pm) {
>  		pm_dev_dbg(dev, state, "preparing type ");
>  		if (dev->type->pm->prepare)
>  			error = dev->type->pm->prepare(dev);
>  		suspend_report_result(dev->type->pm->prepare, error);
> -		if (error)
> -			goto End;
>  	} else if (dev->class && dev->class->pm) {
>  		pm_dev_dbg(dev, state, "preparing class ");
>  		if (dev->class->pm->prepare)
>  			error = dev->class->pm->prepare(dev);
>  		suspend_report_result(dev->class->pm->prepare, error);
> -		if (error)
> -			goto End;
>  	} else if (dev->bus && dev->bus->pm) {
>  		pm_dev_dbg(dev, state, "preparing ");
>  		if (dev->bus->pm->prepare)
> @@ -1056,7 +1050,6 @@ static int device_prepare(struct device
>  		suspend_report_result(dev->bus->pm->prepare, error);
>  	}
> 
> - End:
>  	device_unlock(dev);
> 
>  	return error;

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