hw/ppc/spapr_pci.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c
index 5049ced4e8b4..9e85106f51f8 100644
--- a/hw/ppc/spapr_pci.c
+++ b/hw/ppc/spapr_pci.c
@@ -1507,7 +1507,7 @@ static void spapr_pci_unplug_request(HotplugHandler
*plug_handler,
static void spapr_phb_realize(DeviceState *dev, Error **errp)
{
- sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine());
+ sPAPRMachineState *spapr;
SysBusDevice *s = SYS_BUS_DEVICE(dev);
sPAPRPHBState *sphb = SPAPR_PCI_HOST_BRIDGE(s);
PCIHostState *phb = PCI_HOST_BRIDGE(s);
@@ -1519,6 +1519,12 @@ static void spapr_phb_realize(DeviceState *dev, Error
**errp)
const unsigned windows_supported =
sphb->ddw_enabled ? SPAPR_PCI_DMA_MAX_WINDOWS : 1;
+ spapr = (sPAPRMachineState *) qdev_get_machine();
+ if (!object_dynamic_cast((Object *) spapr, TYPE_SPAPR_MACHINE)) {
+ error_setg(errp, TYPE_SPAPR_PCI_HOST_BRIDGE " needs a pseries
machine");
+ return;
+ }
+
if (sphb->index != (uint32_t)-1) {
sPAPRMachineClass *smc = SPAPR_MACHINE_GET_CLASS(spapr);
Error *local_err = NULL;