qemu: Queue events in migration Finish phase ASAP

For quite a long time we don't need to postpone queueing events until
the end of the function since we no longer have the big driver lock.
Let's make the code of qemuMigrationFinish simpler by queuing events at
the time we generate them.
Signed-off-by: NJiri Denemark <jdenemar@redhat.com>

src/qemu/qemu_migration.c

@@ -5611,7 +5611,6 @@ qemuMigrationFinish(virQEMUDriverPtr driver,
                     bool v3proto)
 {
     virDomainPtr dom = NULL;
-    virObjectEventPtr event = NULL;
     qemuMigrationCookiePtr mig = NULL;
     virErrorPtr orig_err = NULL;
     int cookie_flags = 0;
@@ -5739,16 +5738,17 @@ qemuMigrationFinish(virQEMUDriverPtr driver,
 
         dom = virGetDomain(dconn, vm->def->name, vm->def->uuid);
 
-        event = virDomainEventLifecycleNewFromObj(vm,
-                                         VIR_DOMAIN_EVENT_RESUMED,
-                                         VIR_DOMAIN_EVENT_RESUMED_MIGRATED);
+        qemuDomainEventQueue(driver,
+                             virDomainEventLifecycleNewFromObj(vm,
+                                    VIR_DOMAIN_EVENT_RESUMED,
+                                    VIR_DOMAIN_EVENT_RESUMED_MIGRATED));
         if (virDomainObjGetState(vm, NULL) == VIR_DOMAIN_PAUSED) {
             virDomainObjSetState(vm, VIR_DOMAIN_PAUSED,
                                  VIR_DOMAIN_PAUSED_USER);
-            qemuDomainEventQueue(driver, event);
-            event = virDomainEventLifecycleNewFromObj(vm,
-                                             VIR_DOMAIN_EVENT_SUSPENDED,
-                                             VIR_DOMAIN_EVENT_SUSPENDED_PAUSED);
+            qemuDomainEventQueue(driver,
+                                 virDomainEventLifecycleNewFromObj(vm,
+                                        VIR_DOMAIN_EVENT_SUSPENDED,
+                                        VIR_DOMAIN_EVENT_SUSPENDED_PAUSED));
         }
 
         if (virDomainObjIsActive(vm) &&
@@ -5775,9 +5775,10 @@ qemuMigrationFinish(virQEMUDriverPtr driver,
         qemuProcessStop(driver, vm, VIR_DOMAIN_SHUTOFF_FAILED,
                         VIR_QEMU_PROCESS_STOP_MIGRATED);
         virDomainAuditStop(vm, "failed");
-        event = virDomainEventLifecycleNewFromObj(vm,
-                                         VIR_DOMAIN_EVENT_STOPPED,
-                                         VIR_DOMAIN_EVENT_STOPPED_FAILED);
+        qemuDomainEventQueue(driver,
+                             virDomainEventLifecycleNewFromObj(vm,
+                                    VIR_DOMAIN_EVENT_STOPPED,
+                                    VIR_DOMAIN_EVENT_STOPPED_FAILED));
     }
 
     if (dom &&
@@ -5795,7 +5796,6 @@ qemuMigrationFinish(virQEMUDriverPtr driver,
         qemuMonitorSetDomainLog(priv->mon, -1);
     VIR_FREE(priv->origname);
     virDomainObjEndAPI(&vm);
-    qemuDomainEventQueue(driver, event);
     qemuMigrationCookieFree(mig);
     if (orig_err) {
         virSetError(orig_err);