[PATCH 03/11] macintosh/via-pmu: Don't clear shift register interrupt flag twice

[Geert Uytterhoeven]

On Sat, Jun 2, 2018 at 5:27 AM, Finn Thain <fthain at telegraphics.com.au> wrote:
> Clearing the interrupt flag twice in succession creates a theoretical
> race condition. Fix this.

I would add that the caller of pmu_sr_intr() has already cleared the flag,
so the casual reviewer doesn't have to hunt for it.

> Tested-by: Stan Johnson <userm57 at yahoo.com>
> Signed-off-by: Finn Thain <fthain at telegraphics.com.au>

Reviewed-by: Geert Uytterhoeven <geert at linux-m68k.org>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds