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Date:   Wed, 18 May 2022 16:58:06 +0800
From:   kernel test robot <lkp@intel.com>
To:     Matthias Kaehlcke <mka@chromium.org>,
        Alasdair Kergon <agk@redhat.com>,
        Mike Snitzer <snitzer@kernel.org>,
        Kees Cook <keescook@chromium.org>,
        James Morris <jmorris@namei.org>,
        "Serge E . Hallyn" <serge@hallyn.com>
Cc:     kbuild-all@lists.01.org, linux-security-module@vger.kernel.org,
        dm-devel@redhat.com, linux-kernel@vger.kernel.org,
        linux-raid@vger.kernel.org, Song Liu <song@kernel.org>,
        Douglas Anderson <dianders@chromium.org>,
        Matthias Kaehlcke <mka@chromium.org>
Subject: Re: [PATCH v4 2/3] LoadPin: Enable loading from trusted dm-verity
 devices
Message-ID: <202205181616.3eTP2DaC-lkp@intel.com>
References: <20220517163437.v4.2.I01c67af41d2f6525c6d023101671d7339a9bc8b5@changeid>
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In-Reply-To: <20220517163437.v4.2.I01c67af41d2f6525c6d023101671d7339a9bc8b5@changeid>
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Hi Matthias,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on device-mapper-dm/for-next]
[also build test WARNING on song-md/md-next kees/for-next/pstore linus/master v5.18-rc7 next-20220517]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/intel-lab-lkp/linux/commits/Matthias-Kaehlcke/LoadPin-Enable-loading-from-trusted-dm-verity-devices/20220518-073635
base:   https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git for-next
config: m68k-allmodconfig (https://download.01.org/0day-ci/archive/20220518/202205181616.3eTP2DaC-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 11.3.0
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://github.com/intel-lab-lkp/linux/commit/755e5d82e4d054b2b58a54c94681080cc8cb4582
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Matthias-Kaehlcke/LoadPin-Enable-loading-from-trusted-dm-verity-devices/20220518-073635
        git checkout 755e5d82e4d054b2b58a54c94681080cc8cb4582
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=m68k SHELL=/bin/bash security/loadpin/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   In file included from security/loadpin/loadpin.c:21:
   include/linux/dm-verity-loadpin.h:22:1: error: expected identifier or '(' before '{' token
      22 | {
         | ^
>> include/linux/dm-verity-loadpin.h:21:20: warning: 'dm_verity_loadpin_is_sb_trusted' used but never defined
      21 | static inline bool dm_verity_loadpin_is_sb_trusted(struct super_block *sb);
         |                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/dm_verity_loadpin_is_sb_trusted +21 include/linux/dm-verity-loadpin.h

afd03270f57b8c Matthias Kaehlcke 2022-05-17  17  
afd03270f57b8c Matthias Kaehlcke 2022-05-17  18  #if IS_ENABLED(CONFIG_SECURITY_LOADPIN) && IS_BUILTIN(CONFIG_DM_VERITY)
afd03270f57b8c Matthias Kaehlcke 2022-05-17  19  bool dm_verity_loadpin_is_sb_trusted(struct super_block *sb);
afd03270f57b8c Matthias Kaehlcke 2022-05-17  20  #else
afd03270f57b8c Matthias Kaehlcke 2022-05-17 @21  static inline bool dm_verity_loadpin_is_sb_trusted(struct super_block *sb);
afd03270f57b8c Matthias Kaehlcke 2022-05-17 @22  {
afd03270f57b8c Matthias Kaehlcke 2022-05-17  23  	return false;
afd03270f57b8c Matthias Kaehlcke 2022-05-17  24  }
afd03270f57b8c Matthias Kaehlcke 2022-05-17  25  #endif
afd03270f57b8c Matthias Kaehlcke 2022-05-17  26  

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp