linux-kernel - Re: [PATCH -next] drivers: gnss: simplify the gnss code return expression

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Date:   Mon, 11 Jan 2021 11:13:43 +0100
From:   Johan Hovold <johan@...nel.org>
To:     Zheng Yongjun <zhengyongjun3@...wei.com>
Cc:     johan@...nel.org, matthias.bgg@...il.com,
        linux-kernel@...r.kernel.org, linux-mediatek@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH -next] drivers: gnss: simplify the gnss code return
 expression

On Thu, Dec 10, 2020 at 09:51:42PM +0800, Zheng Yongjun wrote:
> Simplify the return expression at diffrent .c file, fix this all.
> 
> Signed-off-by: Zheng Yongjun <zhengyongjun3@...wei.com>
> ---
>  drivers/gnss/core.c |  7 +------
>  drivers/gnss/mtk.c  | 14 ++------------
>  drivers/gnss/ubx.c  | 14 ++------------
>  3 files changed, 5 insertions(+), 30 deletions(-)

>  static int __init gnss_module_init(void)
> diff --git a/drivers/gnss/mtk.c b/drivers/gnss/mtk.c
> index d1fc55560daf..451cb6e66ec3 100644
> --- a/drivers/gnss/mtk.c
> +++ b/drivers/gnss/mtk.c
> @@ -24,25 +24,15 @@ struct mtk_data {
>  static int mtk_set_active(struct gnss_serial *gserial)
>  {
>  	struct mtk_data *data = gnss_serial_get_drvdata(gserial);
> -	int ret;
>  
> -	ret = regulator_enable(data->vcc);
> -	if (ret)
> -		return ret;
> -
> -	return 0;
> +	return regulator_enable(data->vcc);
>  }

These functions where written with explicit success paths on purpose so
there's nothing to "fix" here. 

Johan