Hi Bastien, I love your patch! Yet something to improve: [auto build test ERROR on usb/usb-testing] [also build test ERROR on balbi-usb/testing/next peter-chen-usb/for-usb-next linus/master v5.19 next-20220810] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Bastien-Nocera/USB-core-add-a-way-to-revoke-access-to-open-USB-devices/20220809-174609 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing config: arm64-randconfig-r001-20220810 (https://download.01.org/0day-ci/archive/20220811/202208110101.rbONyPek-lkp@xxxxxxxxx/config) compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 5f1c7e2cc5a3c07cbc2412e851a7283c1841f520) 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 arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://github.com/intel-lab-lkp/linux/commit/b8d37bab24eee13dfbbb947c6a44f5f363c6bb7a git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Bastien-Nocera/USB-core-add-a-way-to-revoke-access-to-open-USB-devices/20220809-174609 git checkout b8d37bab24eee13dfbbb947c6a44f5f363c6bb7a # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/usb/core/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All error/warnings (new ones prefixed by >>): >> drivers/usb/core/usb.c:465:1: warning: no previous prototype for function 'usb_revoke_device' [-Wmissing-prototypes] usb_revoke_device(int busnum, int devnum, unsigned int euid) ^ drivers/usb/core/usb.c:464:10: note: declare 'static' if the function is not intended to be used outside of this translation unit noinline int ^ static >> drivers/usb/core/usb.c:1050:3: error: field designator 'check_set' does not refer to any field in type 'const struct btf_kfunc_id_set' .check_set = &usbdev_kfunc_ids, ^ 1 warning and 1 error generated. vim +1050 drivers/usb/core/usb.c 1047 1048 static const struct btf_kfunc_id_set usbdev_kfunc_set = { 1049 .owner = THIS_MODULE, > 1050 .check_set = &usbdev_kfunc_ids, 1051 }; 1052 -- 0-DAY CI Kernel Test Service https://01.org/lkp
