linux-kernel - Re: drivers/platform/x86/thinkpad_acpi.c:4475:35: error: unused variable 'fwbug_cards

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Message-ID: <CAHp75VffPmtu-aer8rNA3ctoGTmvjTJYH44CRLsMVHSjcPc+qQ@mail.gmail.com>
Date:   Sun, 14 Nov 2021 13:42:43 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     kernel test robot <lkp@...el.com>
Cc:     Nathan Chancellor <nathan@...nel.org>, llvm@...ts.linux.dev,
        kbuild-all@...ts.01.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Hans de Goede <hdegoede@...hat.com>,
        Nick Desaulniers <ndesaulniers@...gle.com>
Subject: Re: drivers/platform/x86/thinkpad_acpi.c:4475:35: error: unused
 variable 'fwbug_cards_ids'

On Sun, Nov 14, 2021 at 5:15 AM kernel test robot <lkp@...el.com> wrote:
>
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   c8c109546a19613d323a319d0c921cb1f317e629
> commit: fd96e35ea7b95f1e216277805be89d66e4ae962d platform/x86: thinkpad_acpi: Fix bitwise vs. logical warning
> date:   4 weeks ago
> config: i386-buildonly-randconfig-r005-20211114 (attached as .config)
> compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c3dddeeafb529e769cde87bd29ef6271ac6bfa5c)
> reproduce (this is a W=1 build):
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=fd96e35ea7b95f1e216277805be89d66e4ae962d
>         git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
>         git fetch --no-tags linus master
>         git checkout fd96e35ea7b95f1e216277805be89d66e4ae962d
>         # save the attached .config to linux build tree
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=i386
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@...el.com>
>
> All errors (new ones prefixed by >>):
>
> >> drivers/platform/x86/thinkpad_acpi.c:4475:35: error: unused variable 'fwbug_cards_ids' [-Werror,-Wunused-const-variable]
>    static const struct pci_device_id fwbug_cards_ids[] __initconst = {
>                                      ^
>    1 error generated.

Perhaps something like

  if (!dmi_check_system(bt_fwbug_list))
    return 0;
  if (!pci_dev_present(fwbug_cards_ids))
    return 0;

  vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_RFKILL, FW_BUG "disable
bluetooth subdriver for Intel cards\n");
  return 1;

would work?

-- 
With Best Regards,
Andy Shevchenko