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-rw-r--r--hw/xen/xen_pvdevice.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/hw/xen/xen_pvdevice.c b/hw/xen/xen_pvdevice.c
index 1132c8934f..c2189473ba 100644
--- a/hw/xen/xen_pvdevice.c
+++ b/hw/xen/xen_pvdevice.c
@@ -74,6 +74,10 @@ static int xen_pv_init(PCIDevice *pci_dev)
XenPVDevice *d = XEN_PV_DEVICE(pci_dev);
uint8_t *pci_conf;
+ /* device-id property must always be supplied */
+ if (d->device_id == 0xffff)
+ return -1;
+
pci_conf = pci_dev->config;
pci_set_word(pci_conf + PCI_VENDOR_ID, d->vendor_id);
@@ -99,7 +103,7 @@ static int xen_pv_init(PCIDevice *pci_dev)
static Property xen_pv_props[] = {
DEFINE_PROP_UINT16("vendor-id", XenPVDevice, vendor_id, PCI_VENDOR_ID_XEN),
- DEFINE_PROP_UINT16("device-id", XenPVDevice, device_id, PCI_DEVICE_ID_XEN_PVDEVICE),
+ DEFINE_PROP_UINT16("device-id", XenPVDevice, device_id, 0xffff),
DEFINE_PROP_UINT8("revision", XenPVDevice, revision, 0x01),
DEFINE_PROP_UINT32("size", XenPVDevice, size, 0x400000),
DEFINE_PROP_END_OF_LIST()