diff options
Diffstat (limited to 'arch/s390/pci/pci_bus.h')
| -rw-r--r-- | arch/s390/pci/pci_bus.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/s390/pci/pci_bus.h b/arch/s390/pci/pci_bus.h index c6aff42cc2cf..89be3c354b7b 100644 --- a/arch/s390/pci/pci_bus.h +++ b/arch/s390/pci/pci_bus.h @@ -22,9 +22,10 @@ void zpci_free_domain(int domain); int zpci_setup_bus_resources(struct zpci_dev *zdev, struct list_head *resources); -static inline struct zpci_dev *get_zdev_by_bus(struct pci_bus *bus) +static inline struct zpci_dev *get_zdev_by_bus(struct pci_bus *bus, + unsigned int devfn) { struct zpci_bus *zbus = bus->sysdata; - return zbus->function[ZPCI_DEVFN]; + return (devfn >= ZPCI_FUNCTIONS_PER_BUS) ? NULL : zbus->function[devfn]; } |