Hi Rob, Thank you for the patch! Yet something to improve: [auto build test ERROR on nf-next/master] [also build test ERROR on nf/master v5.8-rc1 next-20200618] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Rob-Gill/netfilter-Add-MODULE_DE... base: https://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next.git master config: x86_64-allyesconfig (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 63700971ac9cdf198faa4a3a7c226fa579e49206) 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 x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): MODULE_DESCRIPTION("Netfilter nf_tables reject inet support" ^ include/linux/module.h:235:9: note: macro 'MODULE_DESCRIPTION' defined here #define MODULE_DESCRIPTION(_description) MODULE_INFO(description, _description) ^ 1 error generated. vim +152 net/netfilter/nft_reject_inet.c 148 149 MODULE_LICENSE("GPL"); 150 MODULE_AUTHOR("Patrick McHardy <kaber(a)trash.net&gt;&quot;); 151 MODULE_ALIAS_NFT_AF_EXPR(1, "reject"); --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org