Re: [PATCH] rtc: report time-retrieval errors when updating alarm

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Hi Alexandre!

On Mon, Oct 21, 2019 at 9:11 AM Alexandre Belloni
<alexandre.belloni@xxxxxxxxxxx> wrote:
> On 21/05/2018 09:42:22-0700, Brian Norris wrote:
> > __rtc_read_time() can fail (e.g., if the RTC uses an unreliable medium).
> > When it does, we don't report the error, but instead calculate a
> > 1-second alarm based on the potentially-garbage 'tm' (in practice,
> > __rtc_read_time() zeroes out the time first, so it's likely to still be
> > all 0).
> >
> > Let's propagate the error instead.
> >
>
> I submitted
> https://lore.kernel.org/linux-rtc/20191021155631.3342-2-alexandre.belloni@xxxxxxxxxxx/T/#u
> to solve this after looking at all the implication checking the return
> value of __rtc_read_time had.

Only about a year and a half late, nice! Fortunately we have a decent
(albeit time-consuming) process for rebasing our downstream patches in
Chrome OS kernels...

Brian



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