linux-kernel - [ammarfaizi2-block:brauner/linux/fs.acl.rework 14/37] include/linux/stddef.h:8:16: error: expected identifier or '(' before 'void'

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Message-ID: <202209231457.7v2os2VI-lkp@intel.com>
Date:   Fri, 23 Sep 2022 14:46:17 +0800
From:   kernel test robot <lkp@...el.com>
To:     Christian Brauner <brauner@...nel.org>
Cc:     kbuild-all@...ts.01.org, Ammar Faizi <ammarfaizi2@...weeb.org>,
        GNU/Weeb Mailing List <gwml@...r.gnuweeb.org>,
        linux-kernel@...r.kernel.org
Subject: [ammarfaizi2-block:brauner/linux/fs.acl.rework 14/37]
 include/linux/stddef.h:8:16: error: expected identifier or '(' before 'void'

tree:   https://github.com/ammarfaizi2/linux-block brauner/linux/fs.acl.rework
head:   6d56d354d97c08df55b4c06e1f45903f000b7c7c
commit: 0e0086267b0b7a344703522106b34069ca5e9aad [14/37] 9p: implement get acl method
config: x86_64-defconfig (https://download.01.org/0day-ci/archive/20220923/202209231457.7v2os2VI-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-5) 11.3.0
reproduce (this is a W=1 build):
        # https://github.com/ammarfaizi2/linux-block/commit/0e0086267b0b7a344703522106b34069ca5e9aad
        git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
        git fetch --no-tags ammarfaizi2-block brauner/linux/fs.acl.rework
        git checkout 0e0086267b0b7a344703522106b34069ca5e9aad
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   In file included from include/uapi/linux/posix_types.h:5,
                    from include/uapi/linux/types.h:14,
                    from include/linux/types.h:6,
                    from include/linux/limits.h:6,
                    from include/linux/kernel.h:16,
                    from fs/9p/vfs_super.c:8:
>> include/linux/stddef.h:8:16: error: expected identifier or '(' before 'void'
       8 | #define NULL ((void *)0)
         |                ^~~~
   fs/9p/acl.h:23:26: note: in expansion of macro 'NULL'
      23 | #define v9fs_iop_get_acl NULL
         |                          ^~~~
   fs/9p/acl.h:29:1: note: in expansion of macro 'v9fs_iop_get_acl'
      29 | v9fs_iop_get_acl(struct user_namespace *mnt_userns,
         | ^~~~~~~~~~~~~~~~
>> include/linux/stddef.h:8:23: error: expected ')' before numeric constant
       8 | #define NULL ((void *)0)
         |                       ^
   fs/9p/acl.h:23:26: note: in expansion of macro 'NULL'
      23 | #define v9fs_iop_get_acl NULL
         |                          ^~~~
   fs/9p/acl.h:29:1: note: in expansion of macro 'v9fs_iop_get_acl'
      29 | v9fs_iop_get_acl(struct user_namespace *mnt_userns,
         | ^~~~~~~~~~~~~~~~


vim +8 include/linux/stddef.h

^1da177e4c3f41 Linus Torvalds   2005-04-16  6  
^1da177e4c3f41 Linus Torvalds   2005-04-16  7  #undef NULL
^1da177e4c3f41 Linus Torvalds   2005-04-16 @8  #define NULL ((void *)0)
6e218287432472 Richard Knutsson 2006-09-30  9  

:::::: The code at line 8 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@...970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@...970.osdl.org>

-- 
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