linux-kernel - Re: [PATCH] staging: greybus: fix some formatting issues

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Date:   Tue, 18 May 2021 15:05:19 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Wang Qing <wangqing@...o.com>
Cc:     Vaibhav Agarwal <vaibhav.sr@...il.com>,
        Mark Greer <mgreer@...malcreek.com>,
        Johan Hovold <johan@...nel.org>, Alex Elder <elder@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        greybus-dev@...ts.linaro.org, linux-staging@...ts.linux.dev,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: greybus: fix some formatting issues

On Tue, May 18, 2021 at 07:48:34PM +0800, Wang Qing wrote:
> fixing WARNING: void function return statements are not generally useful
> 
> Signed-off-by: Wang Qing <wangqing@...o.com>
> ---
>  drivers/staging/greybus/audio_codec.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/staging/greybus/audio_codec.c b/drivers/staging/greybus/audio_codec.c
> index b589cf6..ffd8997
> --- a/drivers/staging/greybus/audio_codec.c
> +++ b/drivers/staging/greybus/audio_codec.c
> @@ -1028,7 +1028,6 @@ static int gbcodec_probe(struct snd_soc_component *comp)
>  static void gbcodec_remove(struct snd_soc_component *comp)
>  {
>  	/* Empty function for now */
> -	return;
>  }

This is called from snd_soc_component_remove().  Just delete the whole
function.  It's unclear why there are so many dummy functions in this
driver...

regards,
dan carpenter