Hi Allen, Thank you for the patch! Yet something to improve: [auto build test ERROR on driver-core/driver-core-testing] [also build test ERROR on driver-core/driver-core-next driver-core/driver-core-linus mcgrof/modules-next usb/usb-testing usb/usb-next usb/usb-linus linus/master v6.1-rc7 next-20221201] [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/Allen-Webb/modules-add-modalias-file-to-sysfs-for-modules/20221201-061550 patch link: https://lore.kernel.org/r/20221130221447.1202206-1-allenwebb%40google.com patch subject: [PATCH v4] modules: add modalias file to sysfs for modules. config: arm-randconfig-s043-20221128 compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-39-gce1a6720-dirty # https://github.com/intel-lab-lkp/linux/commit/8a0305181ba6d360a1aaba1384e672caef1366be git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Allen-Webb/modules-add-modalias-file-to-sysfs-for-modules/20221201-061550 git checkout 8a0305181ba6d360a1aaba1384e672caef1366be # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All errors (new ones prefixed by >>): >> arm-linux-gnueabi-ld: drivers/usb/core/driver.o:(.data+0x4c): undefined reference to `usb_drv_to_modalias' -- 0-DAY CI Kernel Test Service https://01.org/lkp