linux-kernel - Re: [PATCH v3] Input: convert obsolete strict

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Message-ID: <87vcqs7686.fsf@emc.com.tw>
Date:	Thu, 10 Nov 2011 16:05:13 +0800
From:	JJ Ding <jj_ding@....com.tw>
To:	Shubhrajyoti Datta <omaplinuxkernel@...il.com>
Cc:	linux-kernel@...r.kernel.org, linux-input@...r.kernel.org,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	JJ Ding <dgdunix@...il.com>
Subject: Re: [PATCH v3] Input: convert obsolete strict_strtox to kstrtox

Hi Shubhrajyoti,

[Your mail has HTML part so I think it was blocked by Lists]

On Wed, 9 Nov 2011 14:32:12 +0530, Shubhrajyoti Datta <omaplinuxkernel@...il.com> wrote:
> Hello ,
> Some doubts .
> 
> On Wed, Nov 9, 2011 at 2:05 PM, JJ Ding <jj_ding@....com.tw> wrote:
> 
> > @@ -1313,7 +1313,11 @@ static ssize_t atkbd_set_extra(struct atkbd *atkbd,
> > const char *buf, size_t coun
> >        if (!atkbd->write)
> >                return -EIO;
> >
> > -       if (strict_strtoul(buf, 10, &value) || value > 1)
> > +       err = kstrtouint(buf, 10, &value);
> > +       if (err)
> > +               return err;
> > +
> > +       if (value > 1)
> >                return -EINVAL;
> >
> 
> Is the intention here to have bool ?
> 
> >
> >        if (atkbd->extra != value) {
> > @@ -1389,11 +1393,15 @@ static ssize_t atkbd_show_scroll(struct atkbd
> > *atkbd, char *buf)
> >  static ssize_t atkbd_set_scroll(struct atkbd *atkbd, const char *buf,
> > size_t count)
> >  {
> >        struct input_dev *old_dev, *new_dev;
> > -       unsigned long value;
> > +       unsigned int value;
> >        int err;
> >        bool old_scroll;
> >
> > -       if (strict_strtoul(buf, 10, &value) || value > 1)
> > +       err = kstrtouint(buf, 10, &value);
> > +       if (err)
> > +               return err;
> > +
> > +       if (value > 1)
> >                return -EINVAL;
> >
> 
> Same here ?
> 
> 
> >
> >        if (atkbd->scroll != value) {
> > @@ -1433,7 +1441,7 @@ static ssize_t atkbd_show_set(struct atkbd *atkbd,
> > char *buf)
> >  static ssize_t atkbd_set_set(struct atkbd *atkbd, const char *buf, size_t
> > count)
> >  {
> >        struct input_dev *old_dev, *new_dev;
> > -       unsigned long value;
> > +       unsigned int value;
> >        int err;
> >        unsigned char old_set;
> >        bool old_extra;
> > @@ -1441,7 +1449,11 @@ static ssize_t atkbd_set_set(struct atkbd *atkbd,
> > const char *buf, size_t count)
> >        if (!atkbd->write)
> >                return -EIO;
> >
> > -       if (strict_strtoul(buf, 10, &value) || (value != 2 && value != 3))
> > +       err = kstrtouint(buf, 10, &value);
> > +       if (err)
> > +               return err;
> > +
> > +       if (value != 2 && value != 3)
> >                return -EINVAL;
> >
> 
> Will u8 be sufficient ?
> 

Dmitry suggested we stick with int. please see:
  https://lkml.org/lkml/2011/11/8/328
for our previous discussions.

Thanks,
jj
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