tests/libqos: Check for valid dev pointer when looking for PCI devices

dev could be NULL if the PCI device can not be found due to some reasons, so we must not dereference the pointer in this case. Signed-off-by: Thomas Huth <[email protected]> Message-id: [email protected] Signed-off-by: Stefan Hajnoczi <[email protected]>
xzpeter · Mar 5, 2018 · bb37a2c · bb37a2c
1 parent a151516
commit bb37a2c
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/tests/libqos/virtio-pci.c b/tests/libqos/virtio-pci.c
@@ -315,7 +315,9 @@ QVirtioPCIDevice *qvirtio_pci_device_find(QPCIBus *bus, uint16_t device_type)
     qvirtio_pci_foreach(bus, device_type, false, 0,
                         qvirtio_pci_assign_device, &dev);
 
-    dev->vdev.bus = &qvirtio_pci;
+    if (dev) {
+        dev->vdev.bus = &qvirtio_pci;
+    }
 
     return dev;
 }