events: remove libxlDomainEventQueue wrapper func

And replace all calls with virObjectEventStateQueue such that:

    libxlDomainEventQueue(driver, event);

becomes:

    virObjectEventStateQueue(driver->domainEventState, event);

And remove NULL checking from all callers.
Signed-off-by: NAnya Harter <aharter@redhat.com>
Reviewed-by: NJán Tomko <jtomko@redhat.com>
Signed-off-by: NJán Tomko <jtomko@redhat.com>

src/libxl/libxl_domain.c

@@ -526,10 +526,8 @@ libxlDomainShutdownThread(void *opaque)
     }
 
  destroy:
-    if (dom_event) {
-        libxlDomainEventQueue(driver, dom_event);
-        dom_event = NULL;
-    }
+    virObjectEventStateQueue(driver->domainEventState, dom_event);
+    dom_event = NULL;
     libxlDomainDestroyInternal(driver, vm);
     libxlDomainCleanup(driver, vm);
     if (!vm->persistent)
@@ -538,10 +536,8 @@ libxlDomainShutdownThread(void *opaque)
     goto endjob;
 
  restart:
-    if (dom_event) {
-        libxlDomainEventQueue(driver, dom_event);
-        dom_event = NULL;
-    }
+    virObjectEventStateQueue(driver->domainEventState, dom_event);
+    dom_event = NULL;
     libxlDomainDestroyInternal(driver, vm);
     libxlDomainCleanup(driver, vm);
     if (libxlDomainStartNew(driver, vm, false) < 0) {
@@ -554,8 +550,7 @@ libxlDomainShutdownThread(void *opaque)
 
  cleanup:
     virDomainObjEndAPI(&vm);
-    if (dom_event)
-        libxlDomainEventQueue(driver, dom_event);
+    virObjectEventStateQueue(driver->domainEventState, dom_event);
     libxl_event_free(cfg->ctx, ev);
     VIR_FREE(shutdown_info);
     virObjectUnref(cfg);
@@ -616,12 +611,6 @@ libxlDomainEventHandler(void *data, VIR_LIBXL_EVENT_CONST libxl_event *event)
     VIR_FREE(shutdown_info);
 }
 
-void
-libxlDomainEventQueue(libxlDriverPrivatePtr driver, virObjectEventPtr event)
-{
-    virObjectEventStateQueue(driver->domainEventState, event);
-}
-
 char *
 libxlDomainManagedSavePath(libxlDriverPrivatePtr driver, virDomainObjPtr vm)
 {
@@ -1394,8 +1383,7 @@ libxlDomainStart(libxlDriverPrivatePtr driver,
                                      restore_fd < 0 ?
                                          VIR_DOMAIN_EVENT_STARTED_BOOTED :
                                          VIR_DOMAIN_EVENT_STARTED_RESTORED);
-    if (event)
-        libxlDomainEventQueue(driver, event);
+    virObjectEventStateQueue(driver->domainEventState, event);
 
     ret = 0;
     goto cleanup;

src/libxl/libxl_domain.h

@@ -95,10 +95,6 @@ int
 libxlDomainJobUpdateTime(struct libxlDomainJobObj *job)
     ATTRIBUTE_RETURN_CHECK;
 
-void
-libxlDomainEventQueue(libxlDriverPrivatePtr driver,
-                      virObjectEventPtr event);
-
 char *
 libxlDomainManagedSavePath(libxlDriverPrivatePtr driver,
                            virDomainObjPtr vm);

src/libxl/libxl_driver.c

@@ -1179,8 +1179,7 @@ libxlDomainSuspend(virDomainPtr dom)
 
  cleanup:
     virDomainObjEndAPI(&vm);
-    if (event)
-        libxlDomainEventQueue(driver, event);
+    virObjectEventStateQueue(driver->domainEventState, event);
     virObjectUnref(cfg);
     return ret;
 }
@@ -1234,8 +1233,7 @@ libxlDomainResume(virDomainPtr dom)
 
  cleanup:
     virDomainObjEndAPI(&vm);
-    if (event)
-        libxlDomainEventQueue(driver, event);
+    virObjectEventStateQueue(driver->domainEventState, event);
     virObjectUnref(cfg);
     return ret;
 }
@@ -1394,8 +1392,7 @@ libxlDomainDestroyFlags(virDomainPtr dom,
 
  cleanup:
     virDomainObjEndAPI(&vm);
-    if (event)
-        libxlDomainEventQueue(driver, event);
+    virObjectEventStateQueue(driver->domainEventState, event);
     virObjectUnref(cfg);
     return ret;
 }
@@ -1734,8 +1731,7 @@ libxlDoDomainSave(libxlDriverPrivatePtr driver,
     VIR_FREE(xml);
     if (VIR_CLOSE(fd) < 0)
         virReportSystemError(errno, "%s", _("cannot close file"));
-    if (event)
-        libxlDomainEventQueue(driver, event);
+    virObjectEventStateQueue(driver->domainEventState, event);
     virObjectUnref(cfg);
     return ret;
 }
@@ -1950,8 +1946,7 @@ libxlDomainCoreDump(virDomainPtr dom, const char *to, unsigned int flags)
 
  cleanup:
     virDomainObjEndAPI(&vm);
-    if (event)
-        libxlDomainEventQueue(driver, event);
+    virObjectEventStateQueue(driver->domainEventState, event);
     virObjectUnref(cfg);
     return ret;
 }
@@ -2755,8 +2750,7 @@ libxlDomainDefineXMLFlags(virConnectPtr conn, const char *xml, unsigned int flag
     virDomainDefFree(def);
     virDomainDefFree(oldDef);
     virDomainObjEndAPI(&vm);
-    if (event)
-        libxlDomainEventQueue(driver, event);
+    virObjectEventStateQueue(driver->domainEventState, event);
     virObjectUnref(cfg);
     return dom;
 }
@@ -2827,8 +2821,7 @@ libxlDomainUndefineFlags(virDomainPtr dom,
  cleanup:
     VIR_FREE(name);
     virDomainObjEndAPI(&vm);
-    if (event)
-        libxlDomainEventQueue(driver, event);
+    virObjectEventStateQueue(driver->domainEventState, event);
     virObjectUnref(cfg);
     return ret;
 }

src/libxl/libxl_migration.c

@@ -1284,10 +1284,8 @@ libxlDomainMigrationDstFinish(virConnectPtr dconn,
                                          VIR_DOMAIN_EVENT_SUSPENDED_PAUSED);
     }
 
-    if (event) {
-        libxlDomainEventQueue(driver, event);
-        event = NULL;
-    }
+    virObjectEventStateQueue(driver->domainEventState, event);
+    event = NULL;
 
     if (flags & VIR_MIGRATE_PERSIST_DEST) {
         unsigned int oldPersist = vm->persistent;
@@ -1306,10 +1304,8 @@ libxlDomainMigrationDstFinish(virConnectPtr dconn,
                                          oldPersist ?
                                          VIR_DOMAIN_EVENT_DEFINED_UPDATED :
                                          VIR_DOMAIN_EVENT_DEFINED_ADDED);
-        if (event) {
-            libxlDomainEventQueue(driver, event);
-            event = NULL;
-        }
+        virObjectEventStateQueue(driver->domainEventState, event);
+        event = NULL;
     }
 
     if (virDomainSaveStatus(driver->xmlopt, cfg->stateDir, vm, cfg->caps) < 0)
@@ -1329,8 +1325,7 @@ libxlDomainMigrationDstFinish(virConnectPtr dconn,
             virDomainObjListRemove(driver->domains, vm);
     }
 
-    if (event)
-        libxlDomainEventQueue(driver, event);
+    virObjectEventStateQueue(driver->domainEventState, event);
     virObjectUnref(cfg);
     return dom;
 }
@@ -1384,8 +1379,7 @@ libxlDomainMigrationSrcConfirm(libxlDriverPrivatePtr driver,
     ret = 0;
 
  cleanup:
-    if (event)
-        libxlDomainEventQueue(driver, event);
+    virObjectEventStateQueue(driver->domainEventState, event);
     virObjectUnref(cfg);
     return ret;
 }