Re: [PATCH] spi: slave: Fix missing break in switch

[Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>]

Hi Gustavo,

On Wed, Oct 3, 2018 at 5:05 PM Gustavo A. R. Silva
<gustavo@xxxxxxxxxxxxxx> wrote:
> On 10/3/18 5:01 PM, Mark Brown wrote:
> > On Wed, Oct 03, 2018 at 04:46:45PM +0200, Geert Uytterhoeven wrote:
> >> On Wed, Oct 3, 2018 at 2:57 PM Gustavo A. R. Silva
> >
> >>>         case CMD_REBOOT:
> >>>                 dev_info(&priv->spi->dev, "Rebooting system...\n");
> >>>                 kernel_restart(NULL);
> >>> +               break;
> >
> >> Alternatively, kernel_restart() and friends could be marked __noreturn.
> >
> > Yes, that seems more sensible though there's no harm in this patch even
> > with that.  It'd definitely avoid other issues in future.
>
> I'll include the __noreturn in addition to the break statement.
> I'll send v2 shortly.

Please note that adding __noreturn is not a trivial task, due to the complex
call chains, and the different implementations on the various architectures
and platforms.  So that will be a big patch series.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

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