[PATCH RESEND bpf-next 01/18] bpf: introduce BPF token object

[kernel test robot]

Hi Andrii,

kernel test robot noticed the following build errors:

[auto build test ERROR on bpf-next/master]

url:    https://github.com/intel-lab-lkp/linux/commits/Andrii-Nakryiko/bpf-introduce-BPF-token-object/20230602-230448
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
patch link:    https://lore.kernel.org/r/20230602150011.1657856-2-andrii%40kernel.org
patch subject: [PATCH RESEND bpf-next 01/18] bpf: introduce BPF token object
config: sparc-randconfig-r022-20230531 (https://download.01.org/0day-ci/archive/20230603/202306030402.Nn38A6qD-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 12.3.0
reproduce (this is a W=1 build):
        mkdir -p ~/bin
        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/59e6ef2000a056ce3386db8481e477e5abfbbe15
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Andrii-Nakryiko/bpf-introduce-BPF-token-object/20230602-230448
        git checkout 59e6ef2000a056ce3386db8481e477e5abfbbe15
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=sparc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=sparc SHELL=/bin/bash arch/sparc/kernel/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202306030402.Nn38A6qD-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from include/linux/filter.h:9,
                    from arch/sparc/kernel/sys_sparc32.c:29:
   include/linux/bpf.h: In function 'bpf_token_new_fd':
>> include/linux/bpf.h:2465:16: error: returning 'int' from a function with return type 'struct bpf_token *' makes pointer from integer without a cast [-Werror=int-conversion]
    2465 |         return -EOPNOTSUPP;
         |                ^
   cc1: all warnings being treated as errors


vim +2465 include/linux/bpf.h

  2462	
  2463	static inline struct bpf_token *bpf_token_new_fd(struct bpf_token *token)
  2464	{
> 2465		return -EOPNOTSUPP;
  2466	}
  2467	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki