linux-kernel - Re: [PATCH v2] Input: convert obsolete strict

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Message-ID: <87vcqv838n.fsf@emc.com.tw>
Date:	Tue, 08 Nov 2011 15:47:36 +0800
From:	JJ Ding <jj_ding@....com.tw>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:	linux-kernel@...r.kernel.org, linux-input@...r.kernel.org,
	JJ Ding <dgdunix@...il.com>
Subject: Re: [PATCH v2] Input: convert obsolete strict_strtox to kstrtox

On Mon, 7 Nov 2011 22:28:01 -0800, Dmitry Torokhov <dmitry.torokhov@...il.com> wrote:
> On Mon, Nov 07, 2011 at 07:59:30PM -0800, Dmitry Torokhov wrote:
> > On Mon, Nov 07, 2011 at 07:54:50PM +0800, JJ Ding wrote:
> > > From: JJ Ding <dgdunix@...il.com>
> > > 
> > > With commit 67d0a0754455f89ef3946946159d8ec9e45ce33a we mark strict_strtox
> > > as obsolete. Convert all remaining such uses in drivers/input/.
> > > 
> > > Also change the data type from long to int as Dmitry sugguests, we now have
> > > kstrtouint which suits these uses better.
> > > 
> > 
> > Applied, thanks JJ.
> > 
> 
> Sorry, I take it back...
> 
> > -       if (strict_strtoul(buf, 10, &value) || value > 1)
> > +       if (kstrtouint(buf, 10, &value) || value > 1)
> >                 return -EINVAL;
> 
> This mangles error condition from kstrtouint and reporting conditions
> beside -EINVAL was the reason for introducing new API IIRC. The proper
> conversion should be:
> 
> 	err = kstrtouint(buf, 10, &value);
> 	if (err)
> 		return err;
> 
> 	if (value > 1)
> 		return -EINVAL;
> 
> Thanks.
> 

Thanks, I get it. I'll fix and resend.

jj

> -- 
> Dmitry
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