linux-kernel - Re: [Alsa-devel] [2.6 patch] sound/core/control.c: remove dead code

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Date:	Tue, 07 Nov 2006 13:45:40 +0100
From:	Takashi Iwai <tiwai@...e.de>
To:	Adrian Bunk <bunk@...sta.de>
Cc:	alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
	perex@...e.cz
Subject: Re: [Alsa-devel] [2.6 patch] sound/core/control.c: remove dead code

At Tue, 7 Nov 2006 13:38:06 +0100,
Adrian Bunk wrote:
> 
> On Tue, Nov 07, 2006 at 11:43:48AM +0100, Takashi Iwai wrote:
> > At Mon, 6 Nov 2006 19:30:18 +0100,
> > Adrian Bunk wrote:
> > > 
> > > This patch removes some obviously dead code spotted by the Coverity 
> > > checker.
> > > 
> > > Signed-off-by: Adrian Bunk <bunk@...sta.de>
> > 
> > I think it's a wrong fix.  result could be > 0 indeed.
> > 
> > Takashi
> > 
> > > 
> > > --- linux-2.6/sound/core/control.c.old	2006-11-06 19:11:32.000000000 +0100
> > > +++ linux-2.6/sound/core/control.c	2006-11-06 19:11:52.000000000 +0100
> > > @@ -1267,23 +1267,23 @@ static ssize_t snd_ctl_read(struct file 
> > >  			if ((file->f_flags & O_NONBLOCK) != 0 || result > 0) {
> 
> That is already checked here ->                                  ^^^^^^^^^^
> 
> And after this point, result is never assigned any value.

Ah, I see.  Now applied it to ALSA tree.

Thanks.

Takashi
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