linux-kernel - Re: linux-next: build failure after merge of the driver-core tree

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Date:   Mon, 30 Jan 2023 17:23:56 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Greg KH <greg@...ah.com>
Cc:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the driver-core tree

Hi Greg,

On Mon, Jan 30, 2023 at 5:08 PM Greg KH <greg@...ah.com> wrote:
> On Mon, Jan 30, 2023 at 03:28:18PM +1100, Stephen Rothwell wrote:
> > After merging the driver-core tree, today's linux-next build (powerpc
> > ppc64_defconfig) failed like this:
> >
> > arch/powerpc/platforms/ps3/system-bus.c:472:19: error: initialization of 'int (*)(const struct device *, struct kobj_uevent_env *)' from incompatible pointer type 'int (*)(struct device *, struct kobj_uevent_env *)' [-Werror=incompatible-pointer-types]
> >   472 |         .uevent = ps3_system_bus_uevent,
> >       |                   ^~~~~~~~~~~~~~~~~~~~~
> > arch/powerpc/platforms/ps3/system-bus.c:472:19: note: (near initialization for 'ps3_system_bus_type.uevent')
> > arch/powerpc/platforms/pseries/ibmebus.c:436:22: error: initialization of 'int (*)(const struct device *, struct kobj_uevent_env *)' from incompatible pointer type 'int (*)(struct device *, struct kobj_uevent_env *)' [-Werror=incompatible-pointer-types]
> >   436 |         .uevent    = ibmebus_bus_modalias,
> >       |                      ^~~~~~~~~~~~~~~~~~~~
> > arch/powerpc/platforms/pseries/ibmebus.c:436:22: note: (near initialization for 'ibmebus_bus_type.uevent')
> >
> > Caused by commit
> >
> >   2a81ada32f0e ("driver core: make struct bus_type.uevent() take a const *")
>
> Ick, 0-day didn't catch this, which is odd, it must not build those
> arches :(

It does, but the bot seems to have some issues, as I didn't receive
any reports for a few days.
Last report of a ps3_defconfig build is 5 days old...

etje,eeting}s,

                        Geert

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