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From: Johannes Thumshirn <jthumshirn@suse.de>
To: Guenter Roeck <linux@roeck-us.net>
Cc: Borislav Petkov <bp@alien8.de>,
	Sudip Mukherjee <sudipm.mukherjee@gmail.com>,
	Johannes Thumshirn <morbidrsa@gmail.com>,
	Doug Thompson <dougthompson@xmission.com>,
	Mauro Carvalho Chehab <mchehab@osg.samsung.com>,
	linux-kernel@vger.kernel.org, linux-edac@vger.kernel.org
Subject: Re: [PATCH] EDAC, mpc85xx: fix build warning
Date: Tue, 2 Feb 2016 15:48:03 +0100	[thread overview]
Message-ID: <20160202144803.GQ27969@c203.arch.suse.de> (raw)
In-Reply-To: <20160202143801.GA6995@roeck-us.net>

On Tue, Feb 02, 2016 at 06:38:01AM -0800, Guenter Roeck wrote:
> On Tue, Feb 02, 2016 at 12:15:45PM +0100, Borislav Petkov wrote:
> > On Tue, Feb 02, 2016 at 01:30:21PM +0530, Sudip Mukherjee wrote:
> > > We were getting build warning about:
> > > drivers/edac/mpc85xx_edac.c:1247:6: warning: unused variable 'pvr'
> > > 
> > > pvr is only used if CONFIG_FSL_SOC_BOOKE was defined. Declare the
> > > variable as a local variable inside the #ifdef block.
> > 
> > What's wrong with doing the simpler thing:
> > 
> > ---
> > diff --git a/drivers/edac/mpc85xx_edac.c b/drivers/edac/mpc85xx_edac.c
> > index b7139c160baf..f756b6215228 100644
> > --- a/drivers/edac/mpc85xx_edac.c
> > +++ b/drivers/edac/mpc85xx_edac.c
> > @@ -1244,7 +1244,6 @@ static struct platform_driver * const drivers[] = {
> >  static int __init mpc85xx_mc_init(void)
> >  {
> >  	int res = 0;
> > -	u32 pvr = 0;
> >  
> Or with just adding __maybe_unused here.

I'd favour this one as well.

Just my 2c.

byte,
	Johannes
-- 
Johannes Thumshirn                                          Storage
jthumshirn@suse.de                                +49 911 74053 689
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: Felix Imendörffer, Jane Smithard, Graham Norton
HRB 21284 (AG Nürnberg)
Key fingerprint = EC38 9CAB C2C4 F25D 8600 D0D0 0393 969D 2D76 0850

  reply	other threads:[~2016-02-02 14:48 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-02  8:00 Sudip Mukherjee
2016-02-02 11:15 ` Borislav Petkov
2016-02-02 14:38   ` Guenter Roeck
2016-02-02 14:48     ` Johannes Thumshirn [this message]
2016-02-02 14:55       ` Sudip Mukherjee
2016-02-02 15:09         ` Borislav Petkov
2016-02-02 15:13           ` Sudip Mukherjee
2016-02-02 15:15             ` Borislav Petkov
2016-02-02 15:19               ` Sudip Mukherjee
2016-02-02 14:48   ` Sudip Mukherjee

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