On Fri, Sep 21, 2018 at 10:06:44AM +0800, kbuild test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git pci/hotplug > head: 64ab39d38d17e5d53434d949681c3ff3ec0f79d3 > commit: d17964c0d81fc38c733fc5281436d2b262306a33 [15/24] PCI/DPC: Save and restore config state > config: m68k-m5475evb_defconfig (attached as .config) > compiler: m68k-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0 > reproduce: > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > git checkout d17964c0d81fc38c733fc5281436d2b262306a33 > # save the attached .config to linux build tree > GCC_VERSION=7.2.0 make.cross ARCH=m68k > > All errors (new ones prefixed by >>): > > drivers/pci/bus.o: In function `pci_save_dpc_state': > >> bus.c:(.text+0x358): multiple definition of `pci_save_dpc_state' > drivers/pci/access.o:access.c:(.text+0x1114): first defined here > drivers/pci/bus.o: In function `pci_restore_dpc_state': > >> bus.c:(.text+0x35a): multiple definition of `pci_restore_dpc_state' Appropriate fix to be sent: --- diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index a244bd0c5ca7..eb3125decffe 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -402,8 +402,8 @@ void aer_print_error(struct pci_dev *dev, struct aer_err_info *info); void pci_save_dpc_state(struct pci_dev *dev); void pci_restore_dpc_state(struct pci_dev *dev); #else -void pci_save_dpc_state(struct pci_dev *dev) {} -void pci_restore_dpc_state(struct pci_dev *dev) {} +static inline void pci_save_dpc_state(struct pci_dev *dev) {} +static inline void pci_restore_dpc_state(struct pci_dev *dev) {} #endif #ifdef CONFIG_PCI_ATS --