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-rw-r--r--firmware/common/timefuncs.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/firmware/common/timefuncs.c b/firmware/common/timefuncs.c
index 66854dea13..1405a8d926 100644
--- a/firmware/common/timefuncs.c
+++ b/firmware/common/timefuncs.c
@@ -86,13 +86,13 @@ static inline int rtc_read_datetime(struct tm *tm)
#if CONFIG_RTC
bool valid_time(const struct tm *tm)
{
- if (tm->tm_hour < 0 || tm->tm_hour > 23 ||
+ if (!tm || (tm->tm_hour < 0 || tm->tm_hour > 23 ||
tm->tm_sec < 0 || tm->tm_sec > 59 ||
tm->tm_min < 0 || tm->tm_min > 59 ||
tm->tm_year < 100 || tm->tm_year > 199 ||
tm->tm_mon < 0 || tm->tm_mon > 11 ||
tm->tm_wday < 0 || tm->tm_wday > 6 ||
- tm->tm_mday < 1 || tm->tm_mday > 31)
+ tm->tm_mday < 1 || tm->tm_mday > 31))
return false;
else
return true;