Commit f18046c5 authored Feb 28, 2018 by Alexandre Belloni

rtc: fix rtc_time64_to_tm for 3477



The current correction for leap years will fail in 3477. 3476-12-31 being
3477-01-00 because this is 366 leap years after 1970 and 3477 isn't a leap
year.

Fix that by looping over until days is positive or zero.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

parent 561f8281

drivers/rtc/rtc-lib.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -65,7 +65,7 @@ void rtc_time64_to_tm(time64_t time, struct rtc_time *tm)
		days -= (year - 1970) * 365
		+ LEAPS_THRU_END_OF(year - 1)
		- LEAPS_THRU_END_OF(1970 - 1);
		if (days < 0) {
		while (days < 0) {
		year -= 1;
		days += 365 + is_leap_year(year);
		}