linux-kernel - [mcgrof-next:20211116-sysctl-cleanups-v3 18/20] include/linux/sysctl.h:229:13: error: expected ';' after return statement

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Date:   Wed, 17 Nov 2021 12:41:16 +0800
From:   kernel test robot <lkp@...el.com>
To:     Luis Chamberlain <mcgrof@...nel.org>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: [mcgrof-next:20211116-sysctl-cleanups-v3 18/20]
 include/linux/sysctl.h:229:13: error: expected ';' after return statement

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git 20211116-sysctl-cleanups-v3
head:   06113f1d9a2d0669964adfa2e0128bd50e56b621
commit: 39ba9159476b6d86288f95f4cb62ad7055680395 [18/20] sysctl: add helper to register a sysctl mount point
config: arm-randconfig-r014-20211116 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 4c2cf3a314d9131b1b288e7c8ab0c75ac1b2be1d)
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
        # install arm cross compiling tool for clang build
        # apt-get install binutils-arm-linux-gnueabi
        # https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git/commit/?id=39ba9159476b6d86288f95f4cb62ad7055680395
        git remote add mcgrof-next https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git
        git fetch --no-tags mcgrof-next 20211116-sysctl-cleanups-v3
        git checkout 39ba9159476b6d86288f95f4cb62ad7055680395
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm prepare

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 >>):

   error: no override and no default toolchain set
   init/Kconfig:70:warning: 'RUSTC_VERSION': number is invalid
   In file included from arch/arm/kernel/asm-offsets.c:12:
   In file included from include/linux/mm.h:717:
   In file included from include/linux/huge_mm.h:8:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:10:
   In file included from include/linux/cred.h:13:
   In file included from include/linux/key.h:17:
>> include/linux/sysctl.h:229:13: error: expected ';' after return statement
           return NULL
                      ^
                      ;
   1 error generated.
   make[2]: *** [scripts/Makefile.build:122: arch/arm/kernel/asm-offsets.s] Error 1
   make[2]: Target '__build' not remade because of errors.
   make[1]: *** [Makefile:1279: prepare0] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:226: __sub-make] Error 2
   make: Target 'prepare' not remade because of errors.


vim +229 include/linux/sysctl.h

   226	
   227	static struct sysctl_header *register_sysctl_mount_point(const char *path)
   228	{
 > 229		return NULL
   230	}
   231	

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

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