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

[Figo.zhang]

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>
---  
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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