[PATCH 05/12] virhostdev: Disable legacy kvm assignment

[Michal Privoznik <mprivozn@xxxxxxxxxx>]

The KVM assignment is going to be removed shortly. Don't let the
hostdev module configure it.

Signed-off-by: Michal Privoznik <mprivozn@xxxxxxxxxx>
---
 src/util/virhostdev.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/util/virhostdev.c b/src/util/virhostdev.c
index e3f48a9a2e..29e75ffc84 100644
--- a/src/util/virhostdev.c
+++ b/src/util/virhostdev.c
@@ -246,12 +246,16 @@ virHostdevGetPCIHostDevice(const virDomainHostdevDef *hostdev,
 
     virPCIDeviceSetManaged(actual, hostdev->managed);
 
-    if (pcisrc->backend == VIR_DOMAIN_HOSTDEV_PCI_BACKEND_VFIO)
+    if (pcisrc->backend == VIR_DOMAIN_HOSTDEV_PCI_BACKEND_VFIO) {
         virPCIDeviceSetStubDriver(actual, VIR_PCI_STUB_DRIVER_VFIO);
-    else if (pcisrc->backend == VIR_DOMAIN_HOSTDEV_PCI_BACKEND_XEN)
+    } else if (pcisrc->backend == VIR_DOMAIN_HOSTDEV_PCI_BACKEND_XEN) {
         virPCIDeviceSetStubDriver(actual, VIR_PCI_STUB_DRIVER_XEN);
-    else
-        virPCIDeviceSetStubDriver(actual, VIR_PCI_STUB_DRIVER_KVM);
+    } else {
+        virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+                       _("pci backend driver '%s' is not supported"),
+                       virDomainHostdevSubsysPCIBackendTypeToString(pcisrc->backend));
+        return -1;
+    }
 
     VIR_STEAL_PTR(*pci, actual);
     return 0;
-- 
2.21.0

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