linux-kernel - Re: [PATCH] Staging: comedi: fix redundant parens in return in amplc_dio200

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Date:	Fri, 19 Dec 2014 06:13:10 -0800
From:	Jeremiah Mahler <jmmahler@...il.com>
To:	Aapo Vienamo <aapo.vienamo@....fi>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Staging: comedi: fix redundant parens in return in
 amplc_dio200_common.c

Aapo,

On Fri, Dec 19, 2014 at 12:37:16PM +0200, Aapo Vienamo wrote:
> On Thu, Dec 18, 2014 at 02:45:01PM -0800, Jeremiah Mahler wrote:
> > Aapo,
> > 
> > On Thu, Dec 18, 2014 at 05:32:52PM +0200, Aapo Vienamo wrote:
> > > This patch fixes a coding style issue found by the checkpatch.pl tool in
> > > amplc_dio200_common.c by removing the unnecessary parentheses around the
> > > expression in a return statement.
> > > 
> > > Signed-off-by: Aapo Vienamo <aapo.vienamo@....fi>
> > > ---
> > >  drivers/staging/comedi/drivers/amplc_dio200_common.c | 2 +-
> > >  1 file changed, 1 insertion(+), 1 deletion(-)
> > > 
> > > diff --git a/drivers/staging/comedi/drivers/amplc_dio200_common.c b/drivers/staging/comedi/drivers/amplc_dio200_common.c
> > > index 26aad70..6eadbbe 100644
> > > --- a/drivers/staging/comedi/drivers/amplc_dio200_common.c
> > > +++ b/drivers/staging/comedi/drivers/amplc_dio200_common.c
> > > @@ -340,7 +340,7 @@ static int dio200_handle_read_intr(struct comedi_device *dev,
> > >  
> > >  	comedi_handle_events(dev, s);
> > >  
> > > -	return (triggered != 0);
> > > +	return triggered != 0;
> > >  }
> > >  
> > [...]
> > 
> > When I run checkpatch.pl it doesn't find any errors and the parenthesis
> > haven't been removed.  How are you running checkpatch.pl?  Are you using
> > any extra options?
> 
> It looks like that I accidentally ran the file trough an older version
> of checkpatch.pl. The error for this case was quieted in commit 
> 5b9553a (checkpatch: make "return is not a function" test quieter).
> 
> Sorry for the noise.
> 
> - Aapo Vienamo

If you are looking for something easy to fix have a look in

  drivers/staging/rtl8192u/

There are lots of checkpatch errors to fix in there.

-- 
- Jeremiah Mahler
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