From: Thomas Huth <th...@redhat.com>

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 <th...@redhat.com>
Message-id: 1519713884-2346-1-git-send-email-th...@redhat.com
Signed-off-by: Stefan Hajnoczi <stefa...@redhat.com>
---
 tests/libqos/virtio-pci.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tests/libqos/virtio-pci.c b/tests/libqos/virtio-pci.c
index 7ac15c04e1..550dede0a2 100644
--- 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;
 }
-- 
2.14.3


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