Hi Luiz, [FYI, it's a private test report for your RFC patch.] [auto build test ERROR on bluetooth-next/master] [also build test ERROR on next-20211011] [cannot apply to bluetooth/master v5.15-rc5] [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/Luiz-Augusto-von-Dentz/Bluetooth... base: https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git master config: mips-buildonly-randconfig-r003-20211012 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c3dcf39554dbea780d6cb7e12239451ba47a2668) 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 # install mips cross compiling tool for clang build # apt-get install binutils-mips-linux-gnu # https://github.com/0day-ci/linux/commit/fb773fdf30cade9ffce927d653090595e... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Luiz-Augusto-von-Dentz/Bluetooth-vhci-Add-support-for-setting-msft_opcode/20211012-051319 git checkout fb773fdf30cade9ffce927d653090595ed809a2a # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash drivers/bluetooth/ 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 >>): *val = vhci->hdev->msft_opcode; ~~~~~~~~~~ ^ 1 error generated. vim +216 drivers/bluetooth/hci_vhci.c 210 211 static int msft_opcode_get(void *data, u64 *val) 212 { 213 struct vhci_data *vhci = data; 214 215 hci_dev_lock(vhci->hdev); 217 hci_dev_unlock(vhci->hdev); 218 219 return 0; 220 } 221 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org