Hi Jack, Thank you for the patch! Yet something to improve: [auto build test ERROR on usb/usb-testing] [also build test ERROR on peter.chen-usb/for-usb-next linus/master balbi-usb/testing/next v5.12 next-20210430] [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/Jack-Pham/usb-dwc3-gadget-Free-gadget-structure-only-after-freeing-endpoints/20210501-173239 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing config: x86_64-randconfig-a012-20210501 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 8f5a2a5836cc8e4c1def2bdeb022e7b496623439) 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 x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://github.com/0day-ci/linux/commit/5b2764c7c290946657e27890a4265bd11bccc0dc git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Jack-Pham/usb-dwc3-gadget-Free-gadget-structure-only-after-freeing-endpoints/20210501-173239 git checkout 5b2764c7c290946657e27890a4265bd11bccc0dc # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): >> drivers/usb/dwc3/gadget.c:4063:2: error: implicit declaration of function 'usb_del_gadget_put' [-Werror,-Wimplicit-function-declaration] usb_del_gadget_put(dwc->gadget); ^ drivers/usb/dwc3/gadget.c:4063:2: note: did you mean 'usb_del_gadget_udc'? include/linux/usb/gadget.h:477:13: note: 'usb_del_gadget_udc' declared here extern void usb_del_gadget_udc(struct usb_gadget *gadget); ^ 1 error generated. vim +/usb_del_gadget_put +4063 drivers/usb/dwc3/gadget.c 4058 4059 void dwc3_gadget_exit(struct dwc3 *dwc) 4060 { 4061 usb_del_gadget(dwc->gadget); 4062 dwc3_gadget_free_endpoints(dwc); > 4063 usb_del_gadget_put(dwc->gadget); 4064 dma_free_coherent(dwc->sysdev, DWC3_BOUNCE_SIZE, dwc->bounce, 4065 dwc->bounce_addr); 4066 kfree(dwc->setup_buf); 4067 dma_free_coherent(dwc->sysdev, sizeof(*dwc->ep0_trb) * 2, 4068 dwc->ep0_trb, dwc->ep0_trb_addr); 4069 } 4070 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org