Re: [PATCH v2] Input: convert obsolete strict_strtox to kstrtox

From: JJ Ding
Date: Tue Nov 08 2011 - 02:49:59 EST


On Mon, 7 Nov 2011 22:28:01 -0800, Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx> 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@xxxxxxxxx>
> > >
> > > 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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