Hi Phil, Thank you for the patch! Yet something to improve: [auto build test ERROR on nf-next/master] url: https://github.com/0day-ci/linux/commits/Phil-Sutter/netfilter-include-ua... base: https://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next.git master config: x86_64-randconfig-s022-20200719 (attached as .config) compiler: gcc-9 (Debian 9.3.0-14) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.2-49-g707c5017-dirty # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' 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 >>): In file included from <command-line>:32: 90 | char data[] __aligned(__alignof__(struct ebt_replace)); | ^~~~~~~~~ ./usr/include/linux/netfilter_bridge/ebtables.h:132:23: error: expected ':', ',', ';', '}' or '__attribute__' before '__aligned' 132 | unsigned char data[] __aligned(__alignof__(struct ebt_replace)); | ^~~~~~~~~ ./usr/include/linux/netfilter_bridge/ebtables.h:145:23: error: expected ':', ',', ';', '}' or '__attribute__' before '__aligned' 145 | unsigned char data[] __aligned(__alignof__(struct ebt_replace)); | ^~~~~~~~~ ./usr/include/linux/netfilter_bridge/ebtables.h:158:23: error: expected ':', ',', ';', '}' or '__attribute__' before '__aligned' 158 | unsigned char data[] __aligned(__alignof__(struct ebt_replace)); | ^~~~~~~~~ ./usr/include/linux/netfilter_bridge/ebtables.h:191:24: error: expected ':', ',', ';', '}' or '__attribute__' before '__aligned' 191 | unsigned char elems[] __aligned(__alignof__(struct ebt_replace)); | ^~~~~~~~~ --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org