Hi Tong, Thank you for the patch! Yet something to improve: [auto build test ERROR on v5.17-rc2] [also build test ERROR on next-20220208] [cannot apply to jmorris-security/next-testing] [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/Tong-Zhang/KEYS-trusted-fix-cras... base: 26291c54e111ff6ba87a164d85d4a4e134b7315c config: i386-randconfig-a011 (https://download.01.org/0day-ci/archive/20220209/202202090354.jnH19acv-lk...) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project e8bff9ae54a55b4dbfeb6ba55f723abbd81bf494) 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 # https://github.com/0day-ci/linux/commit/1f9dab49ae11af2bde1b057f7104ded07... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Tong-Zhang/KEYS-trusted-fix-crash-when-TPM-TEE-are-built-as-module/20220205-040706 git checkout 1f9dab49ae11af2bde1b057f7104ded0714ae7dd # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash 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 >>): --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org