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

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Date:   Tue, 28 Jul 2020 12:53:38 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Greg KH <greg@...ah.com>
Cc:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Scott Branden <scott.branden@...adcom.com>
Subject: Re: linux-next: build failure after merge of the driver-core tree

On Mon, Jul 27, 2020 at 12:17:38PM +0200, Greg KH wrote:
> On Mon, Jul 27, 2020 at 04:55:39PM +1000, Stephen Rothwell wrote:
> > Hi all,
> > 
> > After merging the driver-core tree, today's linux-next build (x86_64
> > allmodconfig) failed like this:
> > 
> > In file included from include/linux/dmi.h:5,
> >                  from drivers/firmware/efi/embedded-firmware.c:8:
> > drivers/firmware/efi/embedded-firmware.c:25:38: error: static declaration of 'efi_embedded_fw_list' follows non-static declaration
> >    25 | EFI_EMBEDDED_FW_VISIBILITY LIST_HEAD(efi_embedded_fw_list);
> >       |                                      ^~~~~~~~~~~~~~~~~~~~
> > include/linux/list.h:24:19: note: in definition of macro 'LIST_HEAD'
> >    24 |  struct list_head name = LIST_HEAD_INIT(name)
> >       |                   ^~~~
> > In file included from drivers/firmware/efi/embedded-firmware.c:17:
> > drivers/firmware/efi/embedded-firmware.h:16:25: note: previous declaration of 'efi_embedded_fw_list' was here
> >    16 | extern struct list_head efi_embedded_fw_list;
> >       |                         ^~~~~~~~~~~~~~~~~~~~
> > drivers/firmware/efi/embedded-firmware.c:26:33: error: static declaration of 'efi_embedded_fw_checked' follows non-static declaration
> >    26 | EFI_EMBEDDED_FW_VISIBILITY bool efi_embedded_fw_checked;
> >       |                                 ^~~~~~~~~~~~~~~~~~~~~~~
> > In file included from drivers/firmware/efi/embedded-firmware.c:17:
> > drivers/firmware/efi/embedded-firmware.h:17:13: note: previous declaration of 'efi_embedded_fw_checked' was here
> >    17 | extern bool efi_embedded_fw_checked;
> >       |             ^~~~~~~~~~~~~~~~~~~~~~~
> > 
> > Caused by commit
> > 
> >   2d38dbf89a06 ("test_firmware: Test platform fw loading on non-EFI systems")
> > 
> > CONFIG_TEST_FIRMWARE=m for this build.
> > 
> > I have used the driver-core tree from next-20200724 for today.
> 
> Thanks, I've reverted this from my tree now.

Ugh, my mistake; sorry for the hassle! I will get this corrected and
re-sent.

-- 
Kees Cook