linux-kernel - Re: [PATCH 4/11] via-ircc: Remove useless return variables

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Message-ID: <20140601133421.GQ15585@mwanda>
Date:	Sun, 1 Jun 2014 16:34:21 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	walter harms <wharms@....de>
Cc:	Peter Senna Tschudin <peter.senna@...il.com>,
	Samuel Ortiz <samuel@...tiz.org>,
	kernel-janitors@...r.kernel.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/11] via-ircc: Remove useless return variables

On Sun, Jun 01, 2014 at 01:42:30PM +0200, walter harms wrote:
> >>  static int via_ircc_read_dongle_id(int iobase)
> >> -{
> >> -	int dongle_id = 9;	/* Default to IBM */
> >> -
> >> +{/* Default to IBM */
> > 
> > Yuck.  And anyway, the comment should be on return line.  (And of course
> > there should have been a #define IBM_DONGLE_ID 9, but that's probably
> > something for another patch.
> > 
> >>  	IRDA_ERROR("via-ircc: dongle probing not supported, please specify dongle_id module parameter.\n");
> >> -	return dongle_id;
> >> +	return 9;
> 
> 
> more over code and error msg do not fit,
> it returns a default of 9 (what ever that means) it does not look like
> an error. Sow the warning should be
> 
> via-ircc: dongle probing not supported, please specify dongle_id module parameter. settting dongle_id=9
>

The print is ok.  It's called like this:

   328          /* Check if user has supplied the dongle id or not */
   329          if (!dongle_id)
   330                  dongle_id = via_ircc_read_dongle_id(self->io.fir_base);
   331          self->io.dongle_id = dongle_id;

If you don't use a module id then it acts like an IBM dongle by default.

regards,
dan carpenter

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