linux-kernel - Re: [2.6.29-rc2-git2] compilation warnings

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Message-ID: <s5h1vupcctf.wl%tiwai@suse.de>
Date:	Tue, 27 Jan 2009 10:34:20 +0100
From:	Takashi Iwai <tiwai@...e.de>
To:	Jean Delvare <khali@...ux-fr.org>
Cc:	Rufus & Azrael <rufus-azrael@...ericable.fr>,
	Linux-kernel Mailing List <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...e.hu>,
	Jaswinder Singh Rajput <jaswinderlinux@...il.com>
Subject: Re: [2.6.29-rc2-git2] compilation warnings

At Tue, 27 Jan 2009 09:46:28 +0100,
Jean Delvare wrote:
> 
> On Tue, 27 Jan 2009 08:32:17 +0100, Takashi Iwai wrote:
> > At Tue, 27 Jan 2009 08:15:29 +0100,
> > Rufus & Azrael wrote:
> > > 
> > > Here are my compilation warnings for fresh 2.6.29-rc2-git2 kernel :
> > > 
> > > > sound/pci/hda/hda_codec.c: In function ‘get_empty_pcm_device’:
> > > > sound/pci/hda/hda_codec.c:2544: attention : ‘dev’ may be used 
> > > > uninitialized in this function
> > 
> > A bogus warning.  Ignore this.
> 
> No matter how bogus it is, it should be fixed. Otherwise this is
> wasting the time of users and developers over and over again.

Well, it's a bug of gcc appearing only in a certain version, so most
people won't see it.

Of course, we can put uninitialized_var().  But, I don't basically
like adding it unconditionally... 


Takashi
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