[kbuild-all] [alaahl:netdev-next 1058/1073] ERROR: modpost: "setup_udp_tunnel_sock" undefined!

tree: https://github.com/alaahl/linux.git netdev-next head: 5ea3c72ccf9b7279b1d3a236071f9c741f9f43c6 commit: 1a9b86c9fd9536b5c0dfbf7b4acbb7f61c820b74 [1058/1073] rxrpc: use udp tunnel APIs instead of open code in rxrpc_open_socket config: mips-rm200_defconfig (attached as .config) compiler: mipsel-linux-gcc (GCC) 9.3.0 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/alaahl/linux/commit/1a9b86c9fd9536b5c0dfbf7b4acbb7f61c... git remote add alaahl https://github.com/alaahl/linux.git git fetch --no-tags alaahl netdev-next git checkout 1a9b86c9fd9536b5c0dfbf7b4acbb7f61c820b74 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=mips 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 >>, old ones prefixed by <<): --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org