From: Greg KH <gregkh@linuxfoundation.org>
To: "Mateusz Jończyk" <mat.jonczyk@o2.pl>
Cc: stable@vger.kernel.org, linux-rtc@vger.kernel.org,
Riwen Lu <luriwen@kylinos.cn>, Eric Wong <e@80x24.org>,
Alexandre Belloni <alexandre.belloni@bootlin.com>
Subject: Re: [PATCH] rtc: cmos: Evaluate century appropriate
Date: Sun, 6 Feb 2022 14:07:16 +0100 [thread overview]
Message-ID: <Yf/IBKDwdb3fIgHR@kroah.com> (raw)
In-Reply-To: <20220205221139.5557-1-mat.jonczyk@o2.pl>
On Sat, Feb 05, 2022 at 11:11:39PM +0100, Mateusz Jończyk wrote:
> From: Riwen Lu <luriwen@kylinos.cn>
>
> 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@kylinos.cn>
> Acked-by: Eric Wong <e@80x24.org>
> Reviewed-by: Mateusz Jończyk <mat.jonczyk@o2.pl>
> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
> Link: https://lore.kernel.org/r/20220106084609.1223688-1-luriwen@kylinos.cn
> Signed-off-by: Mateusz Jończyk <mat.jonczyk@o2.pl> # 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
prev parent reply other threads:[~2022-02-06 13:08 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-05 22:11 [PATCH] rtc: cmos: Evaluate century appropriate Mateusz Jończyk
2022-02-06 13:07 ` Greg KH [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=Yf/IBKDwdb3fIgHR@kroah.com \
--to=gregkh@linuxfoundation.org \
--cc=alexandre.belloni@bootlin.com \
--cc=e@80x24.org \
--cc=linux-rtc@vger.kernel.org \
--cc=luriwen@kylinos.cn \
--cc=mat.jonczyk@o2.pl \
--cc=stable@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.