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

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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 <thuth@redhat.com>
Message-id: 1519713884-2346-1-git-send-email-thuth@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Thomas Huth 2018-02-27 07:44:44 +01:00 committed by Stefan Hajnoczi
parent a1515161b5
commit bb37a2c0b5
1 changed files with 3 additions and 1 deletions
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4
tests/libqos/virtio-pci.c
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@ -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;
}