linux-hardening - Re: [PATCH][next] gpiolib: acpi: Fix fall-through warnings for Clang

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Message-ID: <CAHp75Vec4zaYixJMkMf81+uJFcciGdOhECvTZJrPeQL=MZx39A@mail.gmail.com>
Date:   Mon, 30 Nov 2020 19:15:33 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Bartosz Golaszewski <bgolaszewski@...libre.com>
Cc:     "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-hardening@...r.kernel.org
Subject: Re: [PATCH][next] gpiolib: acpi: Fix fall-through warnings for Clang

On Mon, Nov 30, 2020 at 6:51 PM Bartosz Golaszewski
<bgolaszewski@...libre.com> wrote:
>
> On Thu, Nov 19, 2020 at 7:46 PM Andy Shevchenko
> <andy.shevchenko@...il.com> wrote:
> >
> > On Thu, Nov 19, 2020 at 7:08 PM Gustavo A. R. Silva
> > <gustavoars@...nel.org> wrote:
> > >
> > > In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
> > > by explicitly adding a break statement instead of letting the code fall
> > > through to the next case.
> >
> > Reviewed-by: Andy Shevchenko <andy.shevchenko@...il.com>
> >
> > > Link: https://github.com/KSPP/linux/issues/115
> > > Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>
> > > ---
> > >  drivers/gpio/gpiolib-acpi.c | 1 +
> > >  1 file changed, 1 insertion(+)
> > >
> > > diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c
> > > index 6cc5f91bfe2e..e37a57d0a2f0 100644
> > > --- a/drivers/gpio/gpiolib-acpi.c
> > > +++ b/drivers/gpio/gpiolib-acpi.c
> > > @@ -233,6 +233,7 @@ acpi_gpio_to_gpiod_flags(const struct acpi_resource_gpio *agpio, int polarity)
> > >                 default:
> > >                         break;
> > >                 }
> > > +               break;
> > >         default:
> > >                 break;
> > >         }

> Are you taking it through your tree?

I don't  have anything else, so please proceed directly. That's why I
gave the tag.

-- 
With Best Regards,
Andy Shevchenko