linux-kernel - [mcgrof-next:20211123-sysctl-cleanups 20/41] include/linux/sysctl.h:228:30: error: 'register_sysctl_mount

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Message-ID: <202111241256.mDFmnx1e-lkp@intel.com>
Date:   Wed, 24 Nov 2021 12:19:27 +0800
From:   kernel test robot <lkp@...el.com>
To:     Luis Chamberlain <mcgrof@...nel.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [mcgrof-next:20211123-sysctl-cleanups 20/41]
 include/linux/sysctl.h:228:30: error: 'register_sysctl_mount_point' defined
 but not used

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git 20211123-sysctl-cleanups
head:   c18add41d859b4feec081eab6cfd624a5642973d
commit: 06d33569add5d71725a727d8da80ce480b06fdec [20/41] sysctl: add helper to register a sysctl mount point
config: nds32-randconfig-r006-20211123 (https://download.01.org/0day-ci/archive/20211124/202111241256.mDFmnx1e-lkp@intel.com/config.gz)
compiler: nds32le-linux-gcc (GCC) 11.2.0
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://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git/commit/?id=06d33569add5d71725a727d8da80ce480b06fdec
        git remote add mcgrof-next https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git
        git fetch --no-tags mcgrof-next 20211123-sysctl-cleanups
        git checkout 06d33569add5d71725a727d8da80ce480b06fdec
        # save the config file to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=nds32 

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 >>):

   In file included from include/linux/umh.h:9,
                    from include/linux/kmod.h:9,
                    from include/linux/module.h:17,
                    from lib/test_bitops.c:9:
   include/linux/sysctl.h: In function 'register_sysctl_mount_point':
   include/linux/sysctl.h:231:1: error: expected ';' before '}' token
     231 | }
         | ^
   At top level:
>> include/linux/sysctl.h:228:30: error: 'register_sysctl_mount_point' defined but not used [-Werror=unused-function]
     228 | static struct sysctl_header *register_sysctl_mount_point(const char *path)
         |                              ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   cc1: all warnings being treated as errors


vim +/register_sysctl_mount_point +228 include/linux/sysctl.h

   227	
 > 228	static struct sysctl_header *register_sysctl_mount_point(const char *path)
   229	{
   230		return NULL
 > 231	}
   232	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org