Hi Linyu, Thank you for the patch! Yet something to improve: [auto build test ERROR on usb/usb-testing] [also build test ERROR on v5.18-rc6 next-20220509] [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/intel-lab-lkp/linux/commits/Linyu-Yuan/usb-gadget-update-DECLARE_USB_FUNCTION-_INIT-macro/20220509-200328 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing config: alpha-randconfig-r024-20220509 (https://download.01.org/0day-ci/archive/20220510/202205100334.A5vWHYGj-lkp@xxxxxxxxx/config) compiler: alpha-linux-gcc (GCC) 11.3.0 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/intel-lab-lkp/linux/commit/9af25f078e024028630e40f8b81ae7e9d3b29554 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Linyu-Yuan/usb-gadget-update-DECLARE_USB_FUNCTION-_INIT-macro/20220509-200328 git checkout 9af25f078e024028630e40f8b81ae7e9d3b29554 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=alpha SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): alpha-linux-ld: drivers/usb/gadget/function/f_sourcesink.o: in function `SourceSinkmod_init': >> (.init.text+0x0): multiple definition of `init_module'; drivers/usb/gadget/function/f_loopback.o:(.init.text+0x0): first defined here alpha-linux-ld: drivers/usb/gadget/function/f_sourcesink.o: in function `SourceSinkmod_exit': >> (.exit.text+0x0): multiple definition of `cleanup_module'; drivers/usb/gadget/function/f_loopback.o:(.exit.text+0x0): first defined here -- 0-DAY CI Kernel Test Service https://01.org/lkp
