Hi "Stefan, Thank you for the patch! Yet something to improve: [auto build test ERROR on 8dad5561c13ade87238d9de6dd410b43f7562447] url: https://github.com/0day-ci/linux/commits/Stefan-M-tje/can-esd-add-support-for-esd-GmbH-PCIe-402-CAN-interface-family/20210729-044114 base: 8dad5561c13ade87238d9de6dd410b43f7562447 config: i386-randconfig-a004-20210728 (attached as .config) compiler: gcc-10 (Ubuntu 10.3.0-1ubuntu1~20.04) 10.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/5110edee0d2180efeaa1236b2652709848bdd6fc git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Stefan-M-tje/can-esd-add-support-for-esd-GmbH-PCIe-402-CAN-interface-family/20210729-044114 git checkout 5110edee0d2180efeaa1236b2652709848bdd6fc # save the attached .config to linux build tree make W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>, old ones prefixed by <<): >> ERROR: modpost: "register_candev" [drivers/net/can/esd/esd_402_pci.ko] undefined! >> ERROR: modpost: "alloc_can_err_skb" [drivers/net/can/esd/esd_402_pci.ko] undefined! >> ERROR: modpost: "can_bus_off" [drivers/net/can/esd/esd_402_pci.ko] undefined! >> ERROR: modpost: "close_candev" [drivers/net/can/esd/esd_402_pci.ko] undefined! >> ERROR: modpost: "alloc_candev_mqs" [drivers/net/can/esd/esd_402_pci.ko] undefined! ERROR: modpost: "free_candev" [drivers/net/can/esd/esd_402_pci.ko] undefined! ERROR: modpost: "can_change_mtu" [drivers/net/can/esd/esd_402_pci.ko] undefined! ERROR: modpost: "can_change_state" [drivers/net/can/esd/esd_402_pci.ko] undefined! ERROR: modpost: "unregister_candev" [drivers/net/can/esd/esd_402_pci.ko] undefined! ERROR: modpost: "alloc_can_skb" [drivers/net/can/esd/esd_402_pci.ko] undefined! WARNING: modpost: suppressed 4 unresolved symbol warnings because there were too many) --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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