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From: Subrata Modak <subrata@linux.vnet.ibm.com>
To: "Figo.zhang" <figo1802@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>, lkml <linux-kernel@vger.kernel.org>,
	Sumit Panchasara <sumit.panchasara@einfochips.com>,
	"'Sachin P Sant'" <sachinp@linux.vnet.ibm.com>,
	"'H. Peter Anvin'" <hpa@zytor.com>,
	"'Frans Pop'" <elendil@planet.nl>,
	"'Andi Kleen'" <andi@firstfloor.org>,
	"'Thomas Gleixner'" <tglx@linutronix.de>,
	"'Balbir Singh'" <balbir@linux.vnet.ibm.com>
Subject: Re: [PATCH]x86-tsc.c : fix compile warning
Date: Wed, 17 Jun 2009 19:47:21 +0530	[thread overview]
Message-ID: <1245248241.4870.12.camel@subratamodak.linux.ibm.com> (raw)
In-Reply-To: <bb33bcf20906170700i4a4ea802yf1da08e9870d6221@mail.gmail.com>

> 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@gmail.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.

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;
> 



  parent reply	other threads:[~2009-06-17 14:17 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-06-17 13:57 [PATCH]x86-tsc.c : fix compile warning Figo.zhang
     [not found] ` <bb33bcf20906170700i4a4ea802yf1da08e9870d6221@mail.gmail.com>
2009-06-17 14:17   ` Subrata Modak [this message]
2009-06-17 14:20     ` Figo.zhang
2009-06-17 15:28     ` Ingo Molnar
2009-06-17 16:11       ` Subrata Modak
2009-06-17 16:12       ` Frans Pop
2009-06-17 16:23         ` Ingo Molnar
2009-06-17 16:55           ` Subrata Modak
2009-06-18  7:27           ` Balbir Singh
2009-06-18  8:48             ` Subrata Modak

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