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-rw-r--r--i386/i386at/rtc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/i386/i386at/rtc.c b/i386/i386at/rtc.c
index a66c5a8..e0a03de 100644
--- a/i386/i386at/rtc.c
+++ b/i386/i386at/rtc.c
@@ -75,7 +75,7 @@ unsigned char *regs;
first_rtcopen_ever = 0;
}
outb(RTC_ADDR, RTC_D);
- if (inb(RTC_DATA) & RTC_VRT == 0) return(-1);
+ if ((inb(RTC_DATA) & RTC_VRT) == 0) return(-1);
outb(RTC_ADDR, RTC_A);
while (inb(RTC_DATA) & RTC_UIP) /* busy wait */
outb(RTC_ADDR, RTC_A);