On Sat, Feb 05, 2022 at 11:11:39PM +0100, Mateusz Jończyk wrote:
> From: Riwen Lu <luriwen@xxxxxxxxxx>
>
> commit ff164ae39b82ee483b24579c8e22a13a8ce5bd04 upstream.
>
> There's limiting the year to 2069. When setting the rtc year to 2070,
> reading it returns 1970. Evaluate century starting from 19 to count the
> correct year.
>
> $ sudo date -s 20700106
> Mon 06 Jan 2070 12:00:00 AM CST
> $ sudo hwclock -w
> $ sudo hwclock -r
> 1970-01-06 12:00:49.604968+08:00
>
> Fixes: 2a4daadd4d3e5071 ("rtc: cmos: ignore bogus century byte")
>
> Signed-off-by: Riwen Lu <luriwen@xxxxxxxxxx>
> Acked-by: Eric Wong <e@xxxxxxxxx>
> Reviewed-by: Mateusz Jończyk <mat.jonczyk@xxxxx>
> Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>
> Link: https://lore.kernel.org/r/20220106084609.1223688-1-luriwen@xxxxxxxxxx
> Signed-off-by: Mateusz Jończyk <mat.jonczyk@xxxxx> # preparation for stable
> ---
> drivers/rtc/rtc-mc146818-lib.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> Hello,
>
> I have prepared this patch for inclusion into stable. Run-tested on top
> of 5.16.7 and 4.9.299, works as intended.
Now queued up, thanks.
greg k-h
