[kbuild-all] [mellanox:queue-next 1/2] drivers/usb/class/cdc-wdm.c:858:2: error: implicit declaration of function 'kill_urbs'

tree: https://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux.git queue-next head: 63a5ba90039edf87e997048156a17ef57c76436c commit: 33a7a65212175cb2c69d357ae522ee6e027d25bb [1/2] Merge branch 'net-next' into queue-next config: riscv-randconfig-r036-20210607 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project ae973380c5f6be77ce395022be40350942260be9) 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 riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux.git/commit... git remote add mellanox https://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux.git git fetch --no-tags mellanox queue-next git checkout 33a7a65212175cb2c69d357ae522ee6e027d25bb # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv 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 >>): kill_urbs(desc); ^ 1 error generated. vim +/kill_urbs +858 drivers/usb/class/cdc-wdm.c cac6fb015f7191 Loic Poulain 2021-05-11 852 cac6fb015f7191 Loic Poulain 2021-05-11 853 static void wdm_wwan_port_stop(struct wwan_port *port) cac6fb015f7191 Loic Poulain 2021-05-11 854 { cac6fb015f7191 Loic Poulain 2021-05-11 855 struct wdm_device *desc = wwan_port_get_drvdata(port); cac6fb015f7191 Loic Poulain 2021-05-11 856 cac6fb015f7191 Loic Poulain 2021-05-11 857 /* Stop all transfers and disable WWAN mode */ cac6fb015f7191 Loic Poulain 2021-05-11 @858 kill_urbs(desc); cac6fb015f7191 Loic Poulain 2021-05-11 859 desc->manage_power(desc->intf, 0); cac6fb015f7191 Loic Poulain 2021-05-11 860 clear_bit(WDM_READ, &desc->flags); cac6fb015f7191 Loic Poulain 2021-05-11 861 clear_bit(WDM_WWAN_IN_USE, &desc->flags); cac6fb015f7191 Loic Poulain 2021-05-11 862 } cac6fb015f7191 Loic Poulain 2021-05-11 863 :::::: The code at line 858 was first introduced by commit :::::: cac6fb015f719104e60b1c68c15ca5b734f57b9c usb: class: cdc-wdm: WWAN framework integration :::::: TO: Loic Poulain <loic.poulain(a)linaro.org&gt; :::::: CC: David S. Miller <davem(a)davemloft.net&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org