Hi Peng, Thank you for the patch! Yet something to improve:
[auto build test ERROR on char-misc/char-misc-testing] [also build test ERROR on next-20181218] [cannot apply to v4.20-rc7] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Peng-Hao/misc-pvpanic-return-0-for-empty-body-register-function/20181218-184724 config: nds32-allyesconfig (attached as .config) compiler: nds32le-linux-gcc (GCC) 6.4.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=6.4.0 make.cross ARCH=nds32 All errors (new ones prefixed by >>): drivers/misc/pvpanic.c: In function 'pvpanic_mmio_exit': >> drivers/misc/pvpanic.c:256:2: error: implicit declaration of function >> 'pvpanic_unregister_pci_driver' [-Werror=implicit-function-declaration] pvpanic_unregister_pci_driver(); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ At top level: drivers/misc/pvpanic.c:232:13: warning: 'pvpanic_unregister_pci_drvier' defined but not used [-Wunused-function] static void pvpanic_unregister_pci_drvier(void) {} ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/pvpanic_unregister_pci_driver +256 drivers/misc/pvpanic.c 249 250 static void __exit pvpanic_mmio_exit(void) 251 { 252 if (acpi_disabled) 253 platform_driver_unregister(&pvpanic_mmio_driver); 254 else 255 pvpanic_unregister_acpi_driver(); > 256 pvpanic_unregister_pci_driver(); 257 } 258 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
.config.gz
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