Hi YangYuxi, Thank you for the patch! Yet something to improve: [auto build test ERROR on bpf-next/master] [also build test ERROR on bpf/master net/master ipvs/master net-next/master v5.8-rc5 next-20200716] [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/0day-ci/linux/commits/YangYuxi/ebpf-fix-parameter-naming-confusing/20200716-214501 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master config: powerpc64-randconfig-r003-20200716 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project ed6b578040a85977026c93bf4188f996148f3218) 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 powerpc64 cross compiling tool for clang build # apt-get install binutils-powerpc64-linux-gnu # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> kernel/bpf/syscall.c:1887:7: error: use of undeclared identifier 'attach_type' if (!attach_type) ^ 1 error generated. vim +/attach_type +1887 kernel/bpf/syscall.c b16d9aa4c2b90a Martin KaFai Lau 2017-06-05 1882 040ee69226f8a9 Al Viro 2017-12-02 1883 bool bpf_prog_get_ok(struct bpf_prog *prog, 10eb063762081a YangYuxi 2020-07-16 1884 enum bpf_prog_type *prog_type, bool attach_drv) 248f346ffe9508 Jakub Kicinski 2017-11-03 1885 { 288b3de55aace8 Jakub Kicinski 2017-11-20 1886 /* not an attachment, just a refcount inc, always allow */ 288b3de55aace8 Jakub Kicinski 2017-11-20 @1887 if (!attach_type) 288b3de55aace8 Jakub Kicinski 2017-11-20 1888 return true; 248f346ffe9508 Jakub Kicinski 2017-11-03 1889 10eb063762081a YangYuxi 2020-07-16 1890 if (prog->type != *prog_type) 248f346ffe9508 Jakub Kicinski 2017-11-03 1891 return false; 288b3de55aace8 Jakub Kicinski 2017-11-20 1892 if (bpf_prog_is_dev_bound(prog->aux) && !attach_drv) 248f346ffe9508 Jakub Kicinski 2017-11-03 1893 return false; 248f346ffe9508 Jakub Kicinski 2017-11-03 1894 248f346ffe9508 Jakub Kicinski 2017-11-03 1895 return true; 248f346ffe9508 Jakub Kicinski 2017-11-03 1896 } 248f346ffe9508 Jakub Kicinski 2017-11-03 1897 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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