diff options
| -rw-r--r-- | hw/pci/pci.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/hw/pci/pci.c b/hw/pci/pci.c index d940f79de0..b282120b12 100644 --- a/hw/pci/pci.c +++ b/hw/pci/pci.c @@ -851,6 +851,13 @@ static PCIDevice *do_pci_register_device(PCIDevice *pci_dev, PCIBus *bus, DeviceState *dev = DEVICE(pci_dev); pci_dev->bus = bus; + /* Only pci bridges can be attached to extra PCI root buses */ + if (pci_bus_is_root(bus) && bus->parent_dev && !pc->is_bridge) { + error_setg(errp, + "PCI: Only PCI/PCIe bridges can be plugged into %s", + bus->parent_dev->name); + return NULL; + } if (devfn < 0) { for(devfn = bus->devfn_min ; devfn < ARRAY_SIZE(bus->devices); |