[kbuild-all] [intel-tdx:kvm-upstream-workaround 7/145] arch/x86/kernel/cpu/tdx/tdx.c:148:30: warning: variable 'err' is uninitialized when used within its own initialization

tree: https://github.com/intel/tdx.git kvm-upstream-workaround head: f40698d38196025a38e79a2bdf22058de944b38a commit: 474e0c5f940be499b7c8996ba8e64c31f56d21fe [7/145] x86/cpu: Do logical cpu level TDX module initialization config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20220212/202202121324.DClhLKTq-lk...) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project c7eb84634519e6497be42f5fe323f9a04ed67127) 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/intel/tdx/commit/474e0c5f940be499b7c8996ba8e64c31f56d21fe git remote add intel-tdx https://github.com/intel/tdx.git git fetch --no-tags intel-tdx kvm-upstream-workaround git checkout 474e0c5f940be499b7c8996ba8e64c31f56d21fe # 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=x86_64 SHELL=/bin/bash arch/x86/kernel/cpu/tdx/ drivers/gpu/drm/i915/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): atomic_t *err = (atomic_t *)err; ~~~ ^~~ 1 warning generated. vim +/err +148 arch/x86/kernel/cpu/tdx/tdx.c 144 145 /* SMP call function to run TDH.SYS.LP.INIT */ 146 static void smp_call_tdx_cpu_init(void *data) 147 { 149 150 if (tdh_sys_lp_init()) 151 atomic_set(err, -1); 152 } 153 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org