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

From: Subrata Modak
Date: Wed Jun 17 2009 - 10:17:42 EST


> fix compile warning:
> arch/x86/kernel/tsc.c: In function âtime_cpufreq_notifierâ:
> arch/x86/kernel/tsc.c:635: warning: âdummyâ may be used uninitialized in
> this function
>
> Signed-off-by: Figo.zhang <figo1802@xxxxxxxxx>

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;
>


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