qemu_process.c: use g_autoptr()

Change all feasible pointers to use g_autoptr().

Reviewed-by: Cole Robinson <crobinso@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>

diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
index bd51b1de25ec0bd6f17e74a67d0a9d6d05e3a3ec..09c6c6b279e521aaf1d8f5d30bdf2fb94a11f5af 100644 (file)
--- a/src/qemu/qemu_process.c
+++ b/src/qemu/qemu_process.c
@@ -107,7 +107,7 @@ qemuProcessRemoveDomainStatus(virQEMUDriverPtr driver,
     char ebuf[1024];
     g_autofree char *file = NULL;
     qemuDomainObjPrivatePtr priv = vm->privateData;
-    virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
+    g_autoptr(virQEMUDriverConfig) cfg = virQEMUDriverGetConfig(driver);
 
     file = g_strdup_printf("%s/%s.xml", cfg->stateDir, vm->def->name);
 
@@ -120,8 +120,6 @@ qemuProcessRemoveDomainStatus(virQEMUDriverPtr driver,
         errno != ENOENT)
         VIR_WARN("Failed to remove PID file for %s: %s",
                  vm->def->name, virStrerror(errno, ebuf, sizeof(ebuf)));
-
-    virObjectUnref(cfg);
 }
 
 
@@ -401,7 +399,7 @@ qemuProcessHandleReset(qemuMonitorPtr mon G_GNUC_UNUSED,
     virQEMUDriverPtr driver = opaque;
     virObjectEventPtr event;
     qemuDomainObjPrivatePtr priv;
-    virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
+    g_autoptr(virQEMUDriverConfig) cfg = virQEMUDriverGetConfig(driver);
     int ret = -1;
 
     virObjectLock(vm);
@@ -438,7 +436,6 @@ qemuProcessHandleReset(qemuMonitorPtr mon G_GNUC_UNUSED,
  cleanup:
     virObjectUnlock(vm);
     virObjectEventStateQueue(driver->domainEventState, event);
-    virObjectUnref(cfg);
     return ret;
 }
 
@@ -457,7 +454,7 @@ qemuProcessFakeReboot(void *opaque)
     virDomainObjPtr vm = opaque;
     qemuDomainObjPrivatePtr priv = vm->privateData;
     virQEMUDriverPtr driver = priv->driver;
-    virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
+    g_autoptr(virQEMUDriverConfig) cfg = virQEMUDriverGetConfig(driver);
     virDomainRunningReason reason = VIR_DOMAIN_RUNNING_BOOTED;
     int ret = -1, rc;
 
@@ -507,7 +504,6 @@ qemuProcessFakeReboot(void *opaque)
     if (ret == -1)
         ignore_value(qemuProcessKill(vm, VIR_QEMU_PROCESS_KILL_FORCE));
     virDomainObjEndAPI(&vm);
-    virObjectUnref(cfg);
 }
 
 
@@ -570,7 +566,7 @@ qemuProcessHandleShutdown(qemuMonitorPtr mon G_GNUC_UNUSED,
     virQEMUDriverPtr driver = opaque;
     qemuDomainObjPrivatePtr priv;
     virObjectEventPtr event = NULL;
-    virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
+    g_autoptr(virQEMUDriverConfig) cfg = virQEMUDriverGetConfig(driver);
     int detail = 0;
 
     VIR_DEBUG("vm=%p", vm);
@@ -627,7 +623,6 @@ qemuProcessHandleShutdown(qemuMonitorPtr mon G_GNUC_UNUSED,
  unlock:
     virObjectUnlock(vm);
     virObjectEventStateQueue(driver->domainEventState, event);
-    virObjectUnref(cfg);
 
     return 0;
 }
@@ -642,7 +637,7 @@ qemuProcessHandleStop(qemuMonitorPtr mon G_GNUC_UNUSED,
     virObjectEventPtr event = NULL;
     virDomainPausedReason reason;
     virDomainEventSuspendedDetailType detail;
-    virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
+    g_autoptr(virQEMUDriverConfig) cfg = virQEMUDriverGetConfig(driver);
     qemuDomainObjPrivatePtr priv = vm->privateData;
 
     virObjectLock(vm);
@@ -688,7 +683,6 @@ qemuProcessHandleStop(qemuMonitorPtr mon G_GNUC_UNUSED,
 
     virObjectUnlock(vm);
     virObjectEventStateQueue(driver->domainEventState, event);
-    virObjectUnref(cfg);
 
     return 0;
 }
@@ -701,7 +695,7 @@ qemuProcessHandleResume(qemuMonitorPtr mon G_GNUC_UNUSED,
 {
     virQEMUDriverPtr driver = opaque;
     virObjectEventPtr event = NULL;
-    virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
+    g_autoptr(virQEMUDriverConfig) cfg = virQEMUDriverGetConfig(driver);
     qemuDomainObjPrivatePtr priv;
     virDomainRunningReason reason = VIR_DOMAIN_RUNNING_UNPAUSED;
     virDomainEventResumedDetailType eventDetail;
@@ -734,7 +728,6 @@ qemuProcessHandleResume(qemuMonitorPtr mon G_GNUC_UNUSED,
 
     virObjectUnlock(vm);
     virObjectEventStateQueue(driver->domainEventState, event);
-    virObjectUnref(cfg);
     return 0;
 }
 
@@ -746,7 +739,7 @@ qemuProcessHandleRTCChange(qemuMonitorPtr mon G_GNUC_UNUSED,
 {
     virQEMUDriverPtr driver = opaque;
     virObjectEventPtr event = NULL;
-    virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
+    g_autoptr(virQEMUDriverConfig) cfg = virQEMUDriverGetConfig(driver);
 
     virObjectLock(vm);
 
@@ -778,7 +771,6 @@ qemuProcessHandleRTCChange(qemuMonitorPtr mon G_GNUC_UNUSED,
     virObjectUnlock(vm);
 
     virObjectEventStateQueue(driver->domainEventState, event);
-    virObjectUnref(cfg);
     return 0;
 }
 
@@ -792,7 +784,7 @@ qemuProcessHandleWatchdog(qemuMonitorPtr mon G_GNUC_UNUSED,
     virQEMUDriverPtr driver = opaque;
     virObjectEventPtr watchdogEvent = NULL;
     virObjectEventPtr lifecycleEvent = NULL;
-    virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
+    g_autoptr(virQEMUDriverConfig) cfg = virQEMUDriverGetConfig(driver);
 
     virObjectLock(vm);
     watchdogEvent = virDomainEventWatchdogNewFromObj(vm, action);
@@ -840,7 +832,6 @@ qemuProcessHandleWatchdog(qemuMonitorPtr mon G_GNUC_UNUSED,
     virObjectEventStateQueue(driver->domainEventState, watchdogEvent);
     virObjectEventStateQueue(driver->domainEventState, lifecycleEvent);
 
-    virObjectUnref(cfg);
     return 0;
 }
 
@@ -861,7 +852,7 @@ qemuProcessHandleIOError(qemuMonitorPtr mon G_GNUC_UNUSED,
     const char *srcPath;
     const char *devAlias;
     virDomainDiskDefPtr disk;
-    virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
+    g_autoptr(virQEMUDriverConfig) cfg = virQEMUDriverGetConfig(driver);
 
     virObjectLock(vm);
 
@@ -912,7 +903,6 @@ qemuProcessHandleIOError(qemuMonitorPtr mon G_GNUC_UNUSED,
     virObjectEventStateQueue(driver->domainEventState, ioErrorEvent);
     virObjectEventStateQueue(driver->domainEventState, ioErrorEvent2);
     virObjectEventStateQueue(driver->domainEventState, lifecycleEvent);
-    virObjectUnref(cfg);
     return 0;
 }
 
@@ -1136,7 +1126,7 @@ qemuProcessHandleTrayChange(qemuMonitorPtr mon G_GNUC_UNUSED,
     virQEMUDriverPtr driver = opaque;
     virObjectEventPtr event = NULL;
     virDomainDiskDefPtr disk;
-    virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
+    g_autoptr(virQEMUDriverConfig) cfg = virQEMUDriverGetConfig(driver);
 
     virObjectLock(vm);
     disk = qemuProcessFindDomainDiskByAliasOrQOM(vm, devAlias, devid);
@@ -1159,7 +1149,6 @@ qemuProcessHandleTrayChange(qemuMonitorPtr mon G_GNUC_UNUSED,
 
     virObjectUnlock(vm);
     virObjectEventStateQueue(driver->domainEventState, event);
-    virObjectUnref(cfg);
     return 0;
 }
 
@@ -1171,7 +1160,7 @@ qemuProcessHandlePMWakeup(qemuMonitorPtr mon G_GNUC_UNUSED,
     virQEMUDriverPtr driver = opaque;
     virObjectEventPtr event = NULL;
     virObjectEventPtr lifecycleEvent = NULL;
-    virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
+    g_autoptr(virQEMUDriverConfig) cfg = virQEMUDriverGetConfig(driver);
 
     virObjectLock(vm);
     event = virDomainEventPMWakeupNewFromObj(vm);
@@ -1198,7 +1187,6 @@ qemuProcessHandlePMWakeup(qemuMonitorPtr mon G_GNUC_UNUSED,
     virObjectUnlock(vm);
     virObjectEventStateQueue(driver->domainEventState, event);
     virObjectEventStateQueue(driver->domainEventState, lifecycleEvent);
-    virObjectUnref(cfg);
     return 0;
 }
 
@@ -1210,7 +1198,7 @@ qemuProcessHandlePMSuspend(qemuMonitorPtr mon G_GNUC_UNUSED,
     virQEMUDriverPtr driver = opaque;
     virObjectEventPtr event = NULL;
     virObjectEventPtr lifecycleEvent = NULL;
-    virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
+    g_autoptr(virQEMUDriverConfig) cfg = virQEMUDriverGetConfig(driver);
 
     virObjectLock(vm);
     event = virDomainEventPMSuspendNewFromObj(vm);
@@ -1240,7 +1228,6 @@ qemuProcessHandlePMSuspend(qemuMonitorPtr mon G_GNUC_UNUSED,
 
     virObjectEventStateQueue(driver->domainEventState, event);
     virObjectEventStateQueue(driver->domainEventState, lifecycleEvent);
-    virObjectUnref(cfg);
     return 0;
 }
 
@@ -1252,7 +1239,7 @@ qemuProcessHandleBalloonChange(qemuMonitorPtr mon G_GNUC_UNUSED,
 {
     virQEMUDriverPtr driver = opaque;
     virObjectEventPtr event = NULL;
-    virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
+    g_autoptr(virQEMUDriverConfig) cfg = virQEMUDriverGetConfig(driver);
 
     virObjectLock(vm);
     event = virDomainEventBalloonChangeNewFromObj(vm, actual);
@@ -1267,7 +1254,6 @@ qemuProcessHandleBalloonChange(qemuMonitorPtr mon G_GNUC_UNUSED,
     virObjectUnlock(vm);
 
     virObjectEventStateQueue(driver->domainEventState, event);
-    virObjectUnref(cfg);
     return 0;
 }
 
@@ -1279,7 +1265,7 @@ qemuProcessHandlePMSuspendDisk(qemuMonitorPtr mon G_GNUC_UNUSED,
     virQEMUDriverPtr driver = opaque;
     virObjectEventPtr event = NULL;
     virObjectEventPtr lifecycleEvent = NULL;
-    virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
+    g_autoptr(virQEMUDriverConfig) cfg = virQEMUDriverGetConfig(driver);
 
     virObjectLock(vm);
     event = virDomainEventPMSuspendDiskNewFromObj(vm);
@@ -1309,7 +1295,6 @@ qemuProcessHandlePMSuspendDisk(qemuMonitorPtr mon G_GNUC_UNUSED,
 
     virObjectEventStateQueue(driver->domainEventState, event);
     virObjectEventStateQueue(driver->domainEventState, lifecycleEvent);
-    virObjectUnref(cfg);
 
     return 0;
 }
@@ -1637,7 +1622,7 @@ qemuProcessHandleMigrationStatus(qemuMonitorPtr mon G_GNUC_UNUSED,
     qemuDomainObjPrivatePtr priv;
     virQEMUDriverPtr driver = opaque;
     virObjectEventPtr event = NULL;
-    virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
+    g_autoptr(virQEMUDriverConfig) cfg = virQEMUDriverGetConfig(driver);
     int reason;
 
     virObjectLock(vm);
@@ -1676,7 +1661,6 @@ qemuProcessHandleMigrationStatus(qemuMonitorPtr mon G_GNUC_UNUSED,
  cleanup:
     virObjectUnlock(vm);
     virObjectEventStateQueue(driver->domainEventState, event);
-    virObjectUnref(cfg);
     return 0;
 }
 
@@ -2721,7 +2705,7 @@ qemuProcessResctrlCreate(virQEMUDriverPtr driver,
 {
     int ret = -1;
     size_t i = 0;
-    virCapsPtr caps = NULL;
+    g_autoptr(virCaps) caps = NULL;
     qemuDomainObjPrivatePtr priv = vm->privateData;
 
     if (!vm->def->nresctrls)
@@ -2752,7 +2736,6 @@ qemuProcessResctrlCreate(virQEMUDriverPtr driver,
 
     ret = 0;
  cleanup:
-    virObjectUnref(caps);
     return ret;
 }
 
@@ -2826,13 +2809,13 @@ qemuProcessStartManagedPRDaemon(virDomainObjPtr vm)
 {
     qemuDomainObjPrivatePtr priv = vm->privateData;
     virQEMUDriverPtr driver = priv->driver;
-    virQEMUDriverConfigPtr cfg;
+    g_autoptr(virQEMUDriverConfig) cfg = NULL;
     int errfd = -1;
     g_autofree char *pidfile = NULL;
     int pidfd = -1;
     g_autofree char *socketPath = NULL;
     pid_t cpid = -1;
-    virCommandPtr cmd = NULL;
+    g_autoptr(virCommand) cmd = NULL;
     virTimeBackOffVar timebackoff;
     const unsigned long long timeout = 500000; /* ms */
     int ret = -1;
@@ -2935,10 +2918,8 @@ qemuProcessStartManagedPRDaemon(virDomainObjPtr vm)
         if (pidfile)
             unlink(pidfile);
     }
-    virCommandFree(cmd);
     VIR_FORCE_CLOSE(pidfd);
     VIR_FORCE_CLOSE(errfd);
-    virObjectUnref(cfg);
     return ret;
 }
 
@@ -2949,7 +2930,7 @@ qemuProcessInitPasswords(virQEMUDriverPtr driver,
                          int asyncJob)
 {
     int ret = 0;
-    virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
+    g_autoptr(virQEMUDriverConfig) cfg = virQEMUDriverGetConfig(driver);
     size_t i;
 
     for (i = 0; i < vm->def->ngraphics; ++i) {
@@ -2973,7 +2954,6 @@ qemuProcessInitPasswords(virQEMUDriverPtr driver,
     }
 
  cleanup:
-    virObjectUnref(cfg);
     return ret;
 }
 
@@ -3034,7 +3014,7 @@ qemuProcessUpdateVideoRamSize(virQEMUDriverPtr driver,
     ssize_t i;
     qemuDomainObjPrivatePtr priv = vm->privateData;
     virDomainVideoDefPtr video = NULL;
-    virQEMUDriverConfigPtr cfg = NULL;
+    g_autoptr(virQEMUDriverConfig) cfg = NULL;
 
     if (qemuDomainObjEnterMonitorAsync(driver, vm, asyncJob) < 0)
         return -1;
@@ -3093,7 +3073,6 @@ qemuProcessUpdateVideoRamSize(virQEMUDriverPtr driver,
 
     cfg = virQEMUDriverGetConfig(driver);
     ret = virDomainObjSave(vm, driver->xmlopt, cfg->stateDir);
-    virObjectUnref(cfg);
 
     return ret;
 
@@ -3198,7 +3177,7 @@ qemuProcessStartCPUs(virQEMUDriverPtr driver, virDomainObjPtr vm,
 {
     int ret = -1;
     qemuDomainObjPrivatePtr priv = vm->privateData;
-    virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
+    g_autoptr(virQEMUDriverConfig) cfg = virQEMUDriverGetConfig(driver);
 
     /* Bring up netdevs before starting CPUs */
     if (qemuInterfaceStartDevices(vm->def) < 0)
@@ -3233,7 +3212,6 @@ qemuProcessStartCPUs(virQEMUDriverPtr driver, virDomainObjPtr vm,
      */
 
  cleanup:
-    virObjectUnref(cfg);
     return ret;
 
  release:
@@ -3295,7 +3273,7 @@ static void
 qemuProcessNotifyNets(virDomainDefPtr def)
 {
     size_t i;
-    virConnectPtr conn = NULL;
+    g_autoptr(virConnect) conn = NULL;
 
     for (i = 0; i < def->nnets; i++) {
         virDomainNetDefPtr net = def->nets[i];
@@ -3313,8 +3291,6 @@ qemuProcessNotifyNets(virDomainDefPtr def)
             virDomainNetNotifyActualDevice(conn, def, net);
         }
     }
-
-    virObjectUnref(conn);
 }
 
 /* Attempt to instantiate the filters. Ignore failures because it's
@@ -3863,7 +3839,8 @@ qemuProcessBuildDestroyMemoryPaths(virQEMUDriverPtr driver,
                                    virDomainMemoryDefPtr mem,
                                    bool build)
 {
-    virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
+
+    g_autoptr(virQEMUDriverConfig) cfg = virQEMUDriverGetConfig(driver);
     size_t i;
     bool shouldBuildHP = false;
     bool shouldBuildMB = false;
@@ -3900,7 +3877,6 @@ qemuProcessBuildDestroyMemoryPaths(virQEMUDriverPtr driver,
 
     ret = 0;
  cleanup:
-    virObjectUnref(cfg);
     return ret;
 }
 
@@ -3910,7 +3886,7 @@ qemuProcessDestroyMemoryBackingPath(virQEMUDriverPtr driver,
                                     virDomainObjPtr vm,
                                     virDomainMemoryDefPtr mem)
 {
-    virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
+    g_autoptr(virQEMUDriverConfig) cfg = virQEMUDriverGetConfig(driver);
     g_autofree char *path = NULL;
     int ret = -1;
 
@@ -3925,7 +3901,6 @@ qemuProcessDestroyMemoryBackingPath(virQEMUDriverPtr driver,
 
     ret = 0;
  cleanup:
-    virObjectUnref(cfg);
     return ret;
 }
 
@@ -3965,7 +3940,7 @@ qemuProcessSPICEAllocatePorts(virQEMUDriverPtr driver,
                               virDomainGraphicsDefPtr graphics,
                               bool allocate)
 {
-    virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
+    g_autoptr(virQEMUDriverConfig) cfg = virQEMUDriverGetConfig(driver);
     unsigned short port = 0;
     unsigned short tlsPort;
     size_t i;
@@ -4050,7 +4025,6 @@ qemuProcessSPICEAllocatePorts(virQEMUDriverPtr driver,
     ret = 0;
 
  cleanup:
-    virObjectUnref(cfg);
     return ret;
 }
 
@@ -4340,23 +4314,19 @@ qemuProcessFetchCPUDefinitions(virQEMUDriverPtr driver,
                                virDomainCapsCPUModelsPtr *cpuModels)
 {
     qemuDomainObjPrivatePtr priv = vm->privateData;
-    virDomainCapsCPUModelsPtr models = NULL;
+    g_autoptr(virDomainCapsCPUModels) models = NULL;
     int rc;
 
     if (qemuDomainObjEnterMonitorAsync(driver, vm, asyncJob) < 0)
-        goto error;
+        return -1;
 
     rc = virQEMUCapsFetchCPUModels(priv->mon, vm->def->os.arch, &models);
 
     if (qemuDomainObjExitMonitor(driver, vm) < 0 || rc < 0)
-        goto error;
+        return -1;
 
-    *cpuModels = models;
+    *cpuModels = g_steal_pointer(&models);
     return 0;
-
- error:
-    virObjectUnref(models);
-    return -1;
 }
 
 
@@ -4367,7 +4337,7 @@ qemuProcessUpdateCPU(virQEMUDriverPtr driver,
 {
     virCPUDataPtr cpu = NULL;
     virCPUDataPtr disabled = NULL;
-    virDomainCapsCPUModelsPtr models = NULL;
+    g_autoptr(virDomainCapsCPUModels) models = NULL;
     int ret = -1;
 
     /* The host CPU model comes from host caps rather than QEMU caps so
@@ -4390,7 +4360,6 @@ qemuProcessUpdateCPU(virQEMUDriverPtr driver,
  cleanup:
     virCPUDataFree(cpu);
     virCPUDataFree(disabled);
-    virObjectUnref(models);
     return ret;
 }
 
@@ -4737,9 +4706,9 @@ static int
 qemuProcessGetNetworkAddress(const char *netname,
                              char **netaddr)
 {
-    virConnectPtr conn = NULL;
+    g_autoptr(virConnect) conn = NULL;
     int ret = -1;
-    virNetworkPtr net;
+    g_autoptr(virNetwork) net = NULL;
     virNetworkDefPtr netdef = NULL;
     virNetworkIPDefPtr ipdef;
     virSocketAddr addr;
@@ -4825,8 +4794,6 @@ qemuProcessGetNetworkAddress(const char *netname,
     ret = 0;
  cleanup:
     virNetworkDefFree(netdef);
-    virObjectUnref(net);
-    virObjectUnref(conn);
     return ret;
 }
 
@@ -4863,7 +4830,7 @@ qemuProcessGraphicsSetupListen(virQEMUDriverPtr driver,
                                virDomainObjPtr vm)
 {
     qemuDomainObjPrivatePtr priv = vm->privateData;
-    virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
+    g_autoptr(virQEMUDriverConfig) cfg = virQEMUDriverGetConfig(driver);
     const char *type = virDomainGraphicsTypeToString(graphics->type);
     char *listenAddr = NULL;
     bool useSocket = false;
@@ -4937,7 +4904,6 @@ qemuProcessGraphicsSetupListen(virQEMUDriverPtr driver,
     ret = 0;
 
  cleanup:
-    virObjectUnref(cfg);
     return ret;
 }
 
@@ -5656,7 +5622,7 @@ qemuProcessNetworkPrepareDevices(virQEMUDriverPtr driver,
     qemuDomainObjPrivatePtr priv = vm->privateData;
     int ret = -1;
     size_t i;
-    virConnectPtr conn = NULL;
+    g_autoptr(virConnect) conn = NULL;
 
     for (i = 0; i < def->nnets; i++) {
         virDomainNetDefPtr net = def->nets[i];
@@ -5709,7 +5675,6 @@ qemuProcessNetworkPrepareDevices(virQEMUDriverPtr driver,
     }
     ret = 0;
  cleanup:
-    virObjectUnref(conn);
     return ret;
 }
 
@@ -6249,7 +6214,7 @@ qemuProcessPrepareDomain(virQEMUDriverPtr driver,
     int ret = -1;
     size_t i;
     qemuDomainObjPrivatePtr priv = vm->privateData;
-    virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
+    g_autoptr(virQEMUDriverConfig) cfg = virQEMUDriverGetConfig(driver);
 
     priv->machineName = qemuDomainGetMachineName(vm);
     if (!priv->machineName)
@@ -6353,7 +6318,6 @@ qemuProcessPrepareDomain(virQEMUDriverPtr driver,
 
     ret = 0;
  cleanup:
-    virObjectUnref(cfg);
     return ret;
 }
 
@@ -6512,7 +6476,7 @@ qemuProcessPrepareHost(virQEMUDriverPtr driver,
     int ret = -1;
     unsigned int hostdev_flags = 0;
     qemuDomainObjPrivatePtr priv = vm->privateData;
-    virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
+    g_autoptr(virQEMUDriverConfig) cfg = virQEMUDriverGetConfig(driver);
 
     if (qemuPrepareNVRAM(cfg, vm) < 0)
         goto cleanup;
@@ -6601,7 +6565,6 @@ qemuProcessPrepareHost(virQEMUDriverPtr driver,
 
     ret = 0;
  cleanup:
-    virObjectUnref(cfg);
     return ret;
 }
 
@@ -6712,11 +6675,11 @@ qemuProcessLaunch(virConnectPtr conn,
     int ret = -1;
     int rv;
     int logfile = -1;
-    qemuDomainLogContextPtr logCtxt = NULL;
+    g_autoptr(qemuDomainLogContext) logCtxt = NULL;
     qemuDomainObjPrivatePtr priv = vm->privateData;
-    virCommandPtr cmd = NULL;
+    g_autoptr(virCommand) cmd = NULL;
     struct qemuProcessHookData hookData;
-    virQEMUDriverConfigPtr cfg;
+    g_autoptr(virQEMUDriverConfig) cfg = NULL;
     size_t nnicindexes = 0;
     g_autofree int *nicindexes = NULL;
     size_t i;
@@ -7022,9 +6985,6 @@ qemuProcessLaunch(virConnectPtr conn,
     if (ret < 0)
         qemuExtDevicesStop(driver, vm);
     qemuDomainSecretDestroy(vm);
-    virCommandFree(cmd);
-    virObjectUnref(logCtxt);
-    virObjectUnref(cfg);
     return ret;
 }
 
@@ -7081,8 +7041,8 @@ qemuProcessFinishStartup(virQEMUDriverPtr driver,
                          bool startCPUs,
                          virDomainPausedReason pausedReason)
 {
-    virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
     int ret = -1;
+    g_autoptr(virQEMUDriverConfig) cfg = virQEMUDriverGetConfig(driver);
 
     if (startCPUs) {
         VIR_DEBUG("Starting domain CPUs");
@@ -7110,7 +7070,6 @@ qemuProcessFinishStartup(virQEMUDriverPtr driver,
     ret = 0;
 
  cleanup:
-    virObjectUnref(cfg);
     return ret;
 }
 
@@ -7346,8 +7305,8 @@ void qemuProcessStop(virQEMUDriverPtr driver,
     const virNetDevVPortProfile *vport = NULL;
     size_t i;
     g_autofree char *timestamp = NULL;
-    virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
-    virConnectPtr conn = NULL;
+    g_autoptr(virQEMUDriverConfig) cfg = virQEMUDriverGetConfig(driver);
+    g_autoptr(virConnect) conn = NULL;
 
     VIR_DEBUG("Shutting down vm=%p name=%s id=%d pid=%lld, "
               "reason=%s, asyncJob=%s, flags=0x%x",
@@ -7662,8 +7621,6 @@ void qemuProcessStop(virQEMUDriverPtr driver,
 
  cleanup:
     virErrorRestore(&orig_err);
-    virObjectUnref(conn);
-    virObjectUnref(cfg);
 }
 
 
@@ -7977,7 +7934,7 @@ qemuProcessReconnect(void *opaque)
     qemuDomainJobObj oldjob;
     int state;
     int reason;
-    virQEMUDriverConfigPtr cfg;
+    g_autoptr(virQEMUDriverConfig) cfg = NULL;
     size_t i;
     unsigned int stopFlags = 0;
     bool jobStarted = false;
@@ -8225,7 +8182,6 @@ qemuProcessReconnect(void *opaque)
             qemuDomainRemoveInactiveJob(driver, obj);
     }
     virDomainObjEndAPI(&obj);
-    virObjectUnref(cfg);
     virNWFilterUnlockFilterUpdates();
     virIdentitySetCurrent(NULL);
     return;