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

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Message-ID: <20220412200323.GB2963810@jaehee-ThinkPad-X1-Extreme>
Date:   Tue, 12 Apr 2022 16:03:23 -0400
From:   Jaehee Park <jhpark1013@...il.com>
To:     Dan Carpenter <dan.carpenter@...cle.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 Tue, Apr 12, 2022 at 10:28:43AM +0300, Dan Carpenter wrote:
> 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.

I'll make this into another patch. Thank you for your suggestion.

> 
> regards,
> dan carpenter
>