[libvirt] [PATCH v3 6/7] hotplug: Check for alias in net detach

[John Ferlan]

https://bugzilla.redhat.com/show_bug.cgi?id=1141621

If the QEMU_CAPS_DEVICE is set, then ensure the host device alias has
been properly set before making the calls to detach the device

Signed-off-by: John Ferlan <jferlan at redhat.com>
---
 src/qemu/qemu_hotplug.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
index f79a37a..33241fb 100644
--- a/src/qemu/qemu_hotplug.c
+++ b/src/qemu/qemu_hotplug.c
@@ -3530,6 +3530,12 @@ qemuDomainDetachNetDevice(virQEMUDriverPtr driver,
         }
     }
 
+    if (virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE) &&
+        !detach->info.alias) {
+        if (qemuAssignDeviceNetAlias(vm->def, detach, -1) < 0)
+            goto cleanup;
+    }
+
     qemuDomainMarkDeviceForRemoval(vm, &detach->info);
 
     qemuDomainObjEnterMonitor(driver, vm);
-- 
1.9.3