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path: root/drivers/char/rtc.c
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-rw-r--r--drivers/char/rtc.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/char/rtc.c b/drivers/char/rtc.c
index 6e6a7c7a7eff..ab6429b4a84e 100644
--- a/drivers/char/rtc.c
+++ b/drivers/char/rtc.c
@@ -209,11 +209,12 @@ static const unsigned char days_in_mo[] =
209 */ 209 */
210static inline unsigned char rtc_is_updating(void) 210static inline unsigned char rtc_is_updating(void)
211{ 211{
212 unsigned long flags;
212 unsigned char uip; 213 unsigned char uip;
213 214
214 spin_lock_irq(&rtc_lock); 215 spin_lock_irqsave(&rtc_lock, flags);
215 uip = (CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP); 216 uip = (CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP);
216 spin_unlock_irq(&rtc_lock); 217 spin_unlock_irqrestore(&rtc_lock, flags);
217 return uip; 218 return uip;
218} 219}
219 220