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-rw-r--r--arch/x86_64/kernel/time.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c
index 966d1376b59..f8c47c68844 100644
--- a/arch/x86_64/kernel/time.c
+++ b/arch/x86_64/kernel/time.c
@@ -504,8 +504,8 @@ unsigned long long sched_clock(void)
static unsigned long get_cmos_time(void)
{
- unsigned int timeout, year, mon, day, hour, min, sec;
- unsigned char last, this;
+ unsigned int timeout = 1000000, year, mon, day, hour, min, sec;
+ unsigned char uip = 0, this = 0;
unsigned long flags;
/*
@@ -518,11 +518,8 @@ static unsigned long get_cmos_time(void)
spin_lock_irqsave(&rtc_lock, flags);
- timeout = 1000000;
- last = this = 0;
-
- while (timeout && last && !this) {
- last = this;
+ while (timeout && (!uip || this)) {
+ uip |= this;
this = CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP;
timeout--;
}