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path: root/drivers/rtc/rtc-lib.c
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Diffstat (limited to 'drivers/rtc/rtc-lib.c')
-rw-r--r--drivers/rtc/rtc-lib.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/rtc/rtc-lib.c b/drivers/rtc/rtc-lib.c
index 9812120f3a7..ba795a4db1e 100644
--- a/drivers/rtc/rtc-lib.c
+++ b/drivers/rtc/rtc-lib.c
@@ -94,12 +94,12 @@ EXPORT_SYMBOL(rtc_time_to_tm);
int rtc_valid_tm(struct rtc_time *tm)
{
if (tm->tm_year < 70
- || tm->tm_mon >= 12
+ || ((unsigned)tm->tm_mon) >= 12
|| tm->tm_mday < 1
|| tm->tm_mday > rtc_month_days(tm->tm_mon, tm->tm_year + 1900)
- || tm->tm_hour >= 24
- || tm->tm_min >= 60
- || tm->tm_sec >= 60)
+ || ((unsigned)tm->tm_hour) >= 24
+ || ((unsigned)tm->tm_min) >= 60
+ || ((unsigned)tm->tm_sec) >= 60)
return -EINVAL;
return 0;