[kbuild-all] [sashal-linux-stable:queue-5.10 3/6] drivers/vdpa/vdpa_sim/vdpa_sim.c:45:4: sparse: sparse: symbol 'macaddr_buf' was not declared. Should it be

tree: https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git queue-5.10 head: a55e412193e86cc7e0913063bbfa3775db0aeec0 commit: 9eed430e3e700df359b0c6223789cae4c268f95c [3/6] vdpa_sim: store parsed MAC address in a buffer config: x86_64-randconfig-s022-20210219 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.3-229-g60c1f270-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git/c... git remote add sashal-linux-stable https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git git fetch --no-tags sashal-linux-stable queue-5.10 git checkout 9eed430e3e700df359b0c6223789cae4c268f95c # 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; "sparse warnings: (new ones prefixed by >>)" Please review and possibly fold the followup patch. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org