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

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Date:   Tue, 12 Apr 2022 16:02:20 -0400
From:   Jaehee Park <jhpark1013@...il.com>
To:     Julia Lawall <julia.lawall@...ia.fr>
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 09:04:08AM +0200, Julia Lawall wrote:
> 
> 
> On Mon, 11 Apr 2022, Jaehee Park wrote:
> 
> > Issue found by checkpatch:
> > WARNING: void function return statements are not generally useful
> 
> Even for a simple change, it wouldbe better to follow the model that the
> subject line should concisely orient the reader (eg "remove unneeded
> return") and the log message should give a more complete description.
> Simply repeating what checkpatch tells you is rarely a good idea.  It says
> what the problem is in a general way, whereas you should be explaining the
> reasoning behind your fix in a specific case.  Here you could say that an
> empty function with void return type does not need an explicit return, and
> that the problem was detected with checkpatch.
> 
> julia
> 

Thank you for your edits. I've submitted version 2 of the patchset just
now.

> >
> > 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;
> >  }
> >
> >  static int gbcodec_write(struct snd_soc_component *comp, unsigned int reg,
> > --
> > 2.25.1
> >
> >
> >