linux-kernel - Re: [PATCH 2/2] rtc:rtc-ds1347: Use PTR_ERR_OR

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Message-ID: <20180814041834.2za4nfphklz32rx6@sapphire.tkos.co.il>
Date:   Tue, 14 Aug 2018 07:18:35 +0300
From:   Baruch Siach <baruch@...s.co.il>
To:     zhong jiang <zhongjiang@...wei.com>
Cc:     a.zummo@...ertech.it, alexandre.belloni@...tlin.com,
        linux-rtc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] rtc:rtc-ds1347: Use PTR_ERR_OR_ZERO to replace the
 open code

Hi zhong,

On Mon, Aug 13, 2018 at 07:31:25PM +0800, zhong jiang wrote:
> PTR_ERR_OR_ZERO has implemented the if(IS_ERR(...)) + PTR_ERR, So
> just replace them rather than duplicating its implement.
> 
> Signed-off-by: zhong jiang <zhongjiang@...wei.com>

Acked-by: Baruch Siach <baruch@...s.co.il>

Thanks,
baruch

> ---
>  drivers/rtc/rtc-ds1347.c | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)
> 
> diff --git a/drivers/rtc/rtc-ds1347.c b/drivers/rtc/rtc-ds1347.c
> index 938512c..b97b67f 100644
> --- a/drivers/rtc/rtc-ds1347.c
> +++ b/drivers/rtc/rtc-ds1347.c
> @@ -155,10 +155,7 @@ static int ds1347_probe(struct spi_device *spi)
>  	rtc = devm_rtc_device_register(&spi->dev, "ds1347",
>  				&ds1347_rtc_ops, THIS_MODULE);
>  
> -	if (IS_ERR(rtc))
> -		return PTR_ERR(rtc);
> -
> -	return 0;
> +	return PTR_ERR_OR_ZERO(rtc);
>  }
>  
>  static struct spi_driver ds1347_driver = {

-- 
     http://baruch.siach.name/blog/                  ~. .~   Tk Open Systems
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