linux-kernel - Re: [PATCH]x86-tsc.c : fix compile warning

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Message-Id: <1245248435.3312.23.camel@myhost>
Date:	Wed, 17 Jun 2009 22:20:35 +0800
From:	"Figo.zhang" <figo1802@...il.com>
To:	subrata@...ux.vnet.ibm.com
Cc:	Ingo Molnar <mingo@...e.hu>, lkml <linux-kernel@...r.kernel.org>,
	Sumit Panchasara <sumit.panchasara@...fochips.com>,
	'Sachin P Sant' <sachinp@...ux.vnet.ibm.com>,
	"'H. Peter Anvin'" <hpa@...or.com>,
	'Frans Pop' <elendil@...net.nl>,
	'Andi Kleen' <andi@...stfloor.org>,
	'Thomas Gleixner' <tglx@...utronix.de>,
	'Balbir Singh' <balbir@...ux.vnet.ibm.com>
Subject: Re: [PATCH]x86-tsc.c : fix compile warning

On Wed, 2009-06-17 at 19:47 +0530, Subrata Modak wrote:
> > fix compile warning:
> > arch/x86/kernel/tsc.c: In function ‘time_cpufreq_notifier’:
> > arch/x86/kernel/tsc.c:635: warning: ‘dummy’ may be used uninitialized in
> > this function
> > 
> > Signed-off-by: Figo.zhang <figo1802@...il.com>
> 
> Hello Figo,
> 
> Please refer to the following links on discussion on this issue earlier:
> http://lkml.org/lkml/2009/5/19/312
> http://lkml.org/lkml/2009/5/19/301
> http://lkml.org/lkml/2009/5/20/23
> 
> I tried to fix it in some other way.

hi Subrata,

That is ok.

Best Regards,
Figo.zhang
> 
> Regards--
> Subrata
> 
> > ---
> > arch/x86/kernel/tsc.c |    2 +-
> >  1 files changed, 1 insertions(+), 1 deletions(-)
> > 
> > diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
> > index ae3180c..e65492a 100644
> > --- a/arch/x86/kernel/tsc.c
> > +++ b/arch/x86/kernel/tsc.c
> > @@ -632,7 +632,7 @@ static int time_cpufreq_notifier(struct
> > notifier_block *nb, unsigned long val,
> >                                void *data)
> >  {
> >        struct cpufreq_freqs *freq = data;
> > -       unsigned long *lpj, dummy;
> > +       unsigned long *lpj, dummy = 0;
> > 
> >        if (cpu_has(&cpu_data(freq->cpu), X86_FEATURE_CONSTANT_TSC))
> >                return 0;
> > 
> 
> 

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