tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: c8e31a0fc39797784e4b9acae3bd2e0c7bade36e commit: 2552e0ea2d71360b76faf1cd4ffb58019c92f817 [4531/12088] turn fs_param_is_... into functions reproduce: # apt-get install sparse # sparse version: v0.6.1-154-g1dc00f87-dirty git checkout 2552e0ea2d71360b76faf1cd4ffb58019c92f817 make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) >> fs/fs_parser.c:191:5: sparse: sparse: symbol 'fs_param_bad_value' was not declared. Should it be static? Please review and possibly fold the followup patch. --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx Intel Corporation