linux-kernel - Re: [PATCH 2/2] staging: greybus: remove return in an empty void function

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Date:   Tue, 12 Apr 2022 10:28:43 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Jaehee Park <jhpark1013@...il.com>
Cc:     johan@...nel.org, elder@...nel.org, gregkh@...uxfoundation.org,
        greybus-dev@...ts.linaro.org, linux-staging@...ts.linux.dev,
        linux-kernel@...r.kernel.org, outreachy@...ts.linux.dev
Subject: Re: [PATCH 2/2] staging: greybus: remove return in an empty void
 function

On Mon, Apr 11, 2022 at 09:50:22PM -0400, Jaehee Park wrote:
> Issue found by checkpatch:
> WARNING: void function return statements are not generally useful
> 
> Signed-off-by: Jaehee Park <jhpark1013@...il.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 0f50d1e51e2c..3e3a16568def 100644
> --- a/drivers/staging/greybus/audio_codec.c
> +++ b/drivers/staging/greybus/audio_codec.c
> @@ -1032,7 +1032,6 @@ static int gbcodec_probe(struct snd_soc_component *comp)
>  static void gbcodec_remove(struct snd_soc_component *comp)
>  {
>  	/* Empty function for now */
> -	return;
>  }

This function is called from snd_soc_component_remove().  You can safely
remove the whole function.  We do not like empty stub functions.

regards,
dan carpenter