Re: [Y2038] [PATCH 7/8] ppdev: fix PPGETTIME/PPSETTIME ioctls

[Arnd Bergmann]

On Wed, Nov 20, 2019 at 8:29 PM Ben Hutchings
<ben.hutchings@xxxxxxxxxxxxxxx> wrote:
>
> On Fri, 2019-11-08 at 21:34 +0100, Arnd Bergmann wrote:
> > Going through the uses of timeval in the user space API,
> > I noticed two bugs in ppdev that were introduced in the y2038
> > conversion:
> >
> > * The range check was accidentally moved from ppsettime to
> >   ppgettime
> >
> > * On sparc64, the microseconds are in the other half of the
> >   64-bit word.
> >
> > Fix both, and mark the fix for stable backports.
>
> Like the patch for lpdev, this also doesn't completely fix sparc64.

I think the same applies as in the other patch:

- it actually works correctly because of the alignment
- it's already merged in linux-next
- if you wish, I can add another cleanup patch on top, but I'd
  prefer to just leave it as it is.

      Arnd