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From: "Giedrius Statkevičius" <giedrius.statkevicius@gmail.com>
To: Darren Hart <dvhart@infradead.org>
Cc: corentin.chary@gmail.com, acpi4asus-user@lists.sourceforge.net,
	platform-driver-x86@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] asus-laptop: remove unused variable
Date: Sun, 10 Apr 2016 11:48:52 +0300	[thread overview]
Message-ID: <20160410084852.GA5473@tyrael> (raw)
In-Reply-To: <20160410032121.GD18689@dvhart-mobl5.amr.corp.intel.com>

On Sat, Apr 09, 2016 at 08:21:21PM -0700, Darren Hart wrote:
> On Thu, Apr 07, 2016 at 11:20:01PM +0300, Giedrius Statkevičius wrote:
> > `out' was assigned value but it was never used so remove it
> > 
> > Signed-off-by: Giedrius Statkevičius <giedrius.statkevicius@gmail.com>
> > ---
> >  drivers/platform/x86/asus-laptop.c | 3 ---
> >  1 file changed, 3 deletions(-)
> > 
> > diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c
> > index d86d42e..39ddcee 100644
> > --- a/drivers/platform/x86/asus-laptop.c
> > +++ b/drivers/platform/x86/asus-laptop.c
> > @@ -946,11 +946,8 @@ static ssize_t sysfs_acpi_set(struct asus_laptop *asus,
> >  			      const char *method)
> >  {
> >  	int rv, value;
> > -	int out = 0;
> >  
> >  	rv = parse_arg(buf, count, &value);
> > -	if (rv > 0)
> > -		out = value ? 1 : 0;
> >  
> >  	if (write_acpi_int(asus->handle, method, value))
> 
> out is indeed unused, however the rv > 0 condition is relevant as <=0 will pass
> value uninitialized to write_acpi_int.
That's indeed a problem. Somehow I missed that :( Should I make a v2 to include
another patch that checks for rv < 0 or send it as an independent one?

  reply	other threads:[~2016-04-10  8:48 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-07 20:20 [PATCH 1/2] asus-laptop: remove redundant initializers Giedrius Statkevičius
2016-04-07 20:20 ` [PATCH 2/2] asus-laptop: remove unused variable Giedrius Statkevičius
2016-04-10  3:21   ` Darren Hart
2016-04-10  8:48     ` Giedrius Statkevičius [this message]
2016-04-15  0:34       ` Darren Hart
2016-04-15  0:36       ` Darren Hart

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