linux-kernel - Re: [PATCH 4/8] mfd: kempld-core: Simplify function return logic

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Date:	Thu, 1 Oct 2015 08:19:18 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	Javier Martinez Canillas <javier@....samsung.com>
Cc:	linux-kernel@...r.kernel.org, Samuel Ortiz <sameo@...ux.intel.com>
Subject: Re: [PATCH 4/8] mfd: kempld-core: Simplify function return logic

On Tue, 29 Sep 2015, Javier Martinez Canillas wrote:

> The invoked functions already return zero on success or a negative
> errno code so there is no need to open code the logic in the caller.
> 
> Signed-off-by: Javier Martinez Canillas <javier@....samsung.com>
> ---
> 
>  drivers/mfd/kempld-core.c | 14 ++------------
>  1 file changed, 2 insertions(+), 12 deletions(-)

Applied, thanks.

> diff --git a/drivers/mfd/kempld-core.c b/drivers/mfd/kempld-core.c
> index 463f4eae20c1..05b924542ee2 100644
> --- a/drivers/mfd/kempld-core.c
> +++ b/drivers/mfd/kempld-core.c
> @@ -448,7 +448,6 @@ static int kempld_probe(struct platform_device *pdev)
>  	struct device *dev = &pdev->dev;
>  	struct kempld_device_data *pld;
>  	struct resource *ioport;
> -	int ret;
>  
>  	pld = devm_kzalloc(dev, sizeof(*pld), GFP_KERNEL);
>  	if (!pld)
> @@ -471,11 +470,7 @@ static int kempld_probe(struct platform_device *pdev)
>  	mutex_init(&pld->lock);
>  	platform_set_drvdata(pdev, pld);
>  
> -	ret = kempld_detect_device(pld);
> -	if (ret)
> -		return ret;
> -
> -	return 0;
> +	return kempld_detect_device(pld);
>  }
>  
>  static int kempld_remove(struct platform_device *pdev)
> @@ -756,7 +751,6 @@ MODULE_DEVICE_TABLE(dmi, kempld_dmi_table);
>  static int __init kempld_init(void)
>  {
>  	const struct dmi_system_id *id;
> -	int ret;
>  
>  	if (force_device_id[0]) {
>  		for (id = kempld_dmi_table;
> @@ -771,11 +765,7 @@ static int __init kempld_init(void)
>  			return -ENODEV;
>  	}
>  
> -	ret = platform_driver_register(&kempld_driver);
> -	if (ret)
> -		return ret;
> -
> -	return 0;
> +	return platform_driver_register(&kempld_driver);
>  }
>  
>  static void __exit kempld_exit(void)

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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