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

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Date:   Thu, 8 Oct 2020 16:42:47 +0200
From:   Johan Hovold <johan@...nel.org>
To:     Qinglang Miao <miaoqinglang@...wei.com>
Cc:     Johan Hovold <johan@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH -next] gnss: simplify the return expression of gnss_uevent

On Mon, Sep 21, 2020 at 09:10:28PM +0800, Qinglang Miao wrote:
> Simplify the return expression.
> 
> Signed-off-by: Qinglang Miao <miaoqinglang@...wei.com>

The current code was written with an explicit error path on purpose, and
there's no need to change it.

Same applies to your other gnss ubx patch.

> ---
>  drivers/gnss/core.c | 7 +------
>  1 file changed, 1 insertion(+), 6 deletions(-)
> 
> diff --git a/drivers/gnss/core.c b/drivers/gnss/core.c
> index e6f94501c..e6b9ac9da 100644
> --- a/drivers/gnss/core.c
> +++ b/drivers/gnss/core.c
> @@ -368,13 +368,8 @@ ATTRIBUTE_GROUPS(gnss);
>  static int gnss_uevent(struct device *dev, struct kobj_uevent_env *env)
>  {
>  	struct gnss_device *gdev = to_gnss_device(dev);
> -	int ret;
>  
> -	ret = add_uevent_var(env, "GNSS_TYPE=%s", gnss_type_name(gdev));
> -	if (ret)
> -		return ret;
> -
> -	return 0;
> +	return add_uevent_var(env, "GNSS_TYPE=%s", gnss_type_name(gdev));
>  }
>  
>  static int __init gnss_module_init(void)

Johan