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qemu: do not check return value of qemuDomainObjExitMonitor

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Remove the check from conditions where it's coupled with some other
checks.

Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Ján Tomko 2021-11-24 13:11:52 +01:00
parent d7b23755ef
commit 57d665b390
12 changed files with 109 additions and 54 deletions
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9
src/qemu/qemu_backup.c
View File

@ -474,7 +474,8 @@ qemuBackupDiskPrepareOneStorage(virDomainObj *vm,
rc = qemuBlockStorageSourceAttachApply(priv->mon, dd->crdata->srcdata[0]);
if (qemuDomainObjExitMonitor(priv->driver, vm) < 0 || rc < 0)
qemuDomainObjExitMonitor(priv->driver, vm);
if (rc < 0)
return -1;
}
@ -888,7 +889,8 @@ qemuBackupBegin(virDomainObj *vm,
if (rc == 0)
rc = qemuMonitorTransaction(priv->mon, &actions);
if (qemuDomainObjExitMonitor(priv->driver, vm) < 0 || rc < 0)
qemuDomainObjExitMonitor(priv->driver, vm);
if (rc < 0)
goto endjob;
job_started = true;
@ -1158,7 +1160,8 @@ qemuBackupGetJobInfoStats(virQEMUDriver *driver,
rc = qemuMonitorGetJobInfo(priv->mon, &blockjobs, &nblockjobs);
if (qemuDomainObjExitMonitor(driver, vm) < 0 || rc < 0)
qemuDomainObjExitMonitor(driver, vm);
if (rc < 0)
goto cleanup;
/* count in completed jobs */

23
src/qemu/qemu_block.c
View File

@ -326,7 +326,9 @@ qemuBlockNodeNamesDetect(virQEMUDriver *driver,
data = qemuMonitorQueryNamedBlockNodes(qemuDomainGetMonitor(vm));
blockstats = qemuMonitorQueryBlockstats(qemuDomainGetMonitor(vm));
if (qemuDomainObjExitMonitor(driver, vm) < 0 || !data || !blockstats)
qemuDomainObjExitMonitor(driver, vm);
if (!data || !blockstats)
return -1;
if (!(disktable = qemuBlockNodeNameGetBackingChain(data, blockstats)))
@ -2711,7 +2713,8 @@ qemuBlockStorageSourceCreateGeneric(virDomainObj *vm,
rc = qemuMonitorBlockdevCreate(priv->mon, job->name, props);
props = NULL;
if (qemuDomainObjExitMonitor(priv->driver, vm) < 0 || rc < 0)
qemuDomainObjExitMonitor(priv->driver, vm);
if (rc < 0)
goto cleanup;
qemuBlockJobStarted(job, vm);
@ -2857,7 +2860,8 @@ qemuBlockStorageSourceCreate(virDomainObj *vm,
rc = qemuBlockStorageSourceAttachApplyStorageDeps(priv->mon, data);
if (qemuDomainObjExitMonitor(priv->driver, vm) < 0 || rc < 0)
qemuDomainObjExitMonitor(priv->driver, vm);
if (rc < 0)
goto cleanup;
if (qemuBlockStorageSourceCreateStorage(vm, src, chain, asyncJob) < 0)
@ -2871,7 +2875,8 @@ qemuBlockStorageSourceCreate(virDomainObj *vm,
if (rc == 0)
rc = qemuBlockStorageSourceAttachApplyFormatDeps(priv->mon, data);
if (qemuDomainObjExitMonitor(priv->driver, vm) < 0 || rc < 0)
qemuDomainObjExitMonitor(priv->driver, vm);
if (rc < 0)
goto cleanup;
if (qemuBlockStorageSourceCreateFormat(vm, src, backingStore, chain,
@ -2889,7 +2894,8 @@ qemuBlockStorageSourceCreate(virDomainObj *vm,
rc = qemuBlockStorageSourceAttachApplyFormat(priv->mon, data);
if (qemuDomainObjExitMonitor(priv->driver, vm) < 0 || rc < 0)
qemuDomainObjExitMonitor(priv->driver, vm);
if (rc < 0)
goto cleanup;
ret = 0;
@ -3021,7 +3027,9 @@ qemuBlockGetNamedNodeData(virDomainObj *vm,
blockNamedNodeData = qemuMonitorBlockGetNamedNodeData(priv->mon, supports_flat);
if (qemuDomainObjExitMonitor(driver, vm) < 0 || !blockNamedNodeData)
qemuDomainObjExitMonitor(driver, vm);
if (!blockNamedNodeData)
return NULL;
return g_steal_pointer(&blockNamedNodeData);
@ -3377,7 +3385,8 @@ qemuBlockReopenFormat(virDomainObj *vm,
rc = qemuBlockReopenFormatMon(priv->mon, src);
if (qemuDomainObjExitMonitor(driver, vm) < 0 || rc < 0)
qemuDomainObjExitMonitor(driver, vm);
if (rc < 0)
return -1;
return 0;

3
src/qemu/qemu_blockjob.c
View File

@ -507,7 +507,8 @@ qemuBlockJobRefreshJobs(virQEMUDriver *driver,
rc = qemuMonitorGetJobInfo(priv->mon, &jobinfo, &njobinfo);
if (qemuDomainObjExitMonitor(driver, vm) < 0 || rc < 0)
qemuDomainObjExitMonitor(driver, vm);
if (rc < 0)
goto cleanup;
for (i = 0; i < njobinfo; i++) {

9
src/qemu/qemu_checkpoint.c
View File

@ -524,7 +524,8 @@ qemuCheckpointCreate(virQEMUDriver *driver,
qemuDomainObjEnterMonitor(driver, vm);
rc = qemuMonitorTransaction(qemuDomainGetMonitor(vm), &actions);
if (qemuDomainObjExitMonitor(driver, vm) < 0 || rc < 0) {
qemuDomainObjExitMonitor(driver, vm);
if (rc < 0) {
qemuCheckpointRollbackMetadata(vm, chk);
return NULL;
}
@ -734,7 +735,8 @@ qemuCheckpointGetXMLDescUpdateSize(virDomainObj *vm,
if (rc == 0)
rc = qemuMonitorTransaction(priv->mon, &mergeactions);
if (qemuDomainObjExitMonitor(driver, vm) < 0 || rc < 0)
qemuDomainObjExitMonitor(driver, vm);
if (rc < 0)
goto endjob;
/* now do a final refresh */
@ -746,7 +748,8 @@ qemuCheckpointGetXMLDescUpdateSize(virDomainObj *vm,
rc = qemuMonitorTransaction(priv->mon, &cleanupactions);
if (qemuDomainObjExitMonitor(driver, vm) < 0 || rc < 0)
qemuDomainObjExitMonitor(driver, vm);
if (rc < 0)
goto endjob;
/* update disks */

4
src/qemu/qemu_domain.c
View File

@ -9628,7 +9628,9 @@ qemuDomainRefreshVcpuHalted(virQEMUDriver *driver,
QEMU_CAPS_QUERY_CPUS_FAST);
haltedmap = qemuMonitorGetCpuHalted(qemuDomainGetMonitor(vm), maxvcpus,
fast);
if (qemuDomainObjExitMonitor(driver, vm) < 0 || !haltedmap)
qemuDomainObjExitMonitor(driver, vm);
if (!haltedmap)
return -1;
for (i = 0; i < maxvcpus; i++) {

45
src/qemu/qemu_driver.c
View File

@ -2391,7 +2391,8 @@ static int qemuDomainSetMemoryFlags(virDomainPtr dom, unsigned long newmem,
priv = vm->privateData;
qemuDomainObjEnterMonitor(driver, vm);
r = qemuMonitorSetBalloon(priv->mon, newmem);
if (qemuDomainObjExitMonitor(driver, vm) < 0 || r < 0)
qemuDomainObjExitMonitor(driver, vm);
if (r < 0)
goto endjob;
/* Lack of balloon support is a fatal error */
@ -3129,7 +3130,8 @@ qemuDumpToFd(virQEMUDriver *driver,
ret = qemuMonitorDumpToFd(priv->mon, fd, dumpformat, detach);
if ((qemuDomainObjExitMonitor(driver, vm) < 0) || ret < 0)
qemuDomainObjExitMonitor(driver, vm);
if (ret < 0)
return -1;
if (detach)
@ -10004,7 +10006,9 @@ qemuDomainBlocksStatsGather(virQEMUDriver *driver,
rc = qemuMonitorBlockStatsUpdateCapacity(priv->mon, blockstats);
}
if (qemuDomainObjExitMonitor(driver, vm) < 0 || nstats < 0 || rc < 0)
qemuDomainObjExitMonitor(driver, vm);
if (nstats < 0 || rc < 0)
goto cleanup;
*retstats = g_new0(qemuBlockStats, 1);
@ -12576,7 +12580,8 @@ qemuDomainGetJobInfoDumpStats(virQEMUDriver *driver,
rc = qemuMonitorQueryDump(priv->mon, &stats);
if (qemuDomainObjExitMonitor(driver, vm) < 0 || rc < 0)
qemuDomainObjExitMonitor(driver, vm);
if (rc < 0)
return -1;
jobInfo->stats.dump = stats;
@ -12912,7 +12917,8 @@ qemuDomainMigrateSetMaxDowntime(virDomainPtr dom,
} else {
qemuDomainObjEnterMonitor(driver, vm);
rc = qemuMonitorSetMigrationDowntime(priv->mon, downtime);
if (qemuDomainObjExitMonitor(driver, vm) < 0 || rc < 0)
qemuDomainObjExitMonitor(driver, vm);
if (rc < 0)
goto endjob;
}
@ -13027,7 +13033,8 @@ qemuDomainMigrateGetCompressionCache(virDomainPtr dom,
} else {
qemuDomainObjEnterMonitor(driver, vm);
rc = qemuMonitorGetMigrationCacheSize(priv->mon, cacheSize);
if (qemuDomainObjExitMonitor(driver, vm) < 0 || rc < 0)
qemuDomainObjExitMonitor(driver, vm);
if (rc < 0)
goto endjob;
}
@ -13092,7 +13099,8 @@ qemuDomainMigrateSetCompressionCache(virDomainPtr dom,
} else {
qemuDomainObjEnterMonitor(driver, vm);
rc = qemuMonitorSetMigrationCacheSize(priv->mon, cacheSize);
if (qemuDomainObjExitMonitor(driver, vm) < 0 || rc < 0)
qemuDomainObjExitMonitor(driver, vm);
if (rc < 0)
goto endjob;
}
@ -13180,7 +13188,8 @@ qemuDomainMigrateSetMaxSpeed(virDomainPtr dom,
qemuDomainObjEnterMonitor(driver, vm);
rc = qemuMonitorSetMigrationSpeed(priv->mon, bandwidth);
if (qemuDomainObjExitMonitor(driver, vm) < 0 || rc < 0)
qemuDomainObjExitMonitor(driver, vm);
if (rc < 0)
goto endjob;
}
@ -14666,7 +14675,9 @@ qemuDomainGetBlockJobInfo(virDomainPtr dom,
qemuDomainObjEnterMonitor(driver, vm);
blockjobstats = qemuMonitorGetAllBlockJobInfo(qemuDomainGetMonitor(vm), true);
if (qemuDomainObjExitMonitor(driver, vm) < 0 || !blockjobstats)
qemuDomainObjExitMonitor(driver, vm);
if (!blockjobstats)
goto endjob;
rawInfo = g_hash_table_lookup(blockjobstats, job->name);
@ -15590,10 +15601,10 @@ qemuDomainBlockCommit(virDomainPtr dom,
topPath, nodetop, basePath, nodebase,
backingPath, speed);
if (qemuDomainObjExitMonitor(driver, vm) < 0 || ret < 0) {
ret = -1;
qemuDomainObjExitMonitor(driver, vm);
if (ret < 0)
goto endjob;
}
if (mirror) {
disk->mirror = g_steal_pointer(&mirror);
@ -16613,8 +16624,8 @@ qemuDomainProbeQMPCurrentMachine(virQEMUDriver *driver,
qemuDomainObjEnterMonitor(driver, vm);
rv = qemuMonitorGetCurrentMachineInfo(priv->mon, &info);
if (qemuDomainObjExitMonitor(driver, vm) < 0 ||
rv < 0)
qemuDomainObjExitMonitor(driver, vm);
if (rv < 0)
return -1;
*wakeupSupported = info.wakeupSuspendSupport;
@ -19687,7 +19698,8 @@ qemuDomainSetBlockThreshold(virDomainPtr dom,
qemuDomainObjEnterMonitor(driver, vm);
rc = qemuMonitorSetBlockThreshold(priv->mon, nodename, threshold);
if (qemuDomainObjExitMonitor(driver, vm) < 0 || rc < 0)
qemuDomainObjExitMonitor(driver, vm);
if (rc < 0)
goto endjob;
/* we need to remember whether the threshold was registered with an explicit
@ -19802,7 +19814,8 @@ qemuDomainModifyLifecycleActionLive(virDomainObj *vm,
QEMU_MONITOR_ACTION_WATCHDOG_KEEP,
QEMU_MONITOR_ACTION_PANIC_KEEP);
if (qemuDomainObjExitMonitor(driver, vm) < 0 || rc < 0)
qemuDomainObjExitMonitor(driver, vm);
if (rc < 0)
return -1;
return 0;

15
src/qemu/qemu_hotplug.c
View File

@ -280,7 +280,8 @@ qemuDomainChangeMediaLegacy(virQEMUDriver *driver,
/* re-issue ejection command to pop out the media */
qemuDomainObjEnterMonitor(driver, vm);
rc = qemuMonitorEjectMedia(priv->mon, driveAlias, false);
if (qemuDomainObjExitMonitor(driver, vm) < 0 || rc < 0)
qemuDomainObjExitMonitor(driver, vm);
if (rc < 0)
return -1;
} else {
@ -432,7 +433,8 @@ qemuHotplugAttachManagedPR(virQEMUDriver *driver,
rc = qemuMonitorAddObject(priv->mon, &props, NULL);
if (qemuDomainObjExitMonitor(driver, vm) < 0 || rc < 0)
qemuDomainObjExitMonitor(driver, vm);
if (rc < 0)
goto cleanup;
ret = 0;
@ -529,7 +531,8 @@ qemuDomainChangeMediaBlockdev(virQEMUDriver *driver,
if (diskPriv->tray && disk->tray_status != VIR_DOMAIN_DISK_TRAY_OPEN) {
qemuDomainObjEnterMonitor(driver, vm);
rc = qemuMonitorBlockdevTrayOpen(priv->mon, diskPriv->qomName, force);
if (qemuDomainObjExitMonitor(driver, vm) < 0 || rc < 0)
qemuDomainObjExitMonitor(driver, vm);
if (rc < 0)
return -1;
if (!force && qemuHotplugWaitForTrayEject(vm, disk) < 0)
@ -567,7 +570,8 @@ qemuDomainChangeMediaBlockdev(virQEMUDriver *driver,
if (rc < 0 && newbackend)
qemuBlockStorageSourceChainDetach(priv->mon, newbackend);
if (qemuDomainObjExitMonitor(driver, vm) < 0 || rc < 0)
qemuDomainObjExitMonitor(driver, vm);
if (rc < 0)
return -1;
return 0;
@ -2779,7 +2783,8 @@ qemuDomainAttachSCSIVHostDevice(virQEMUDriver *driver,
ignore_value(qemuMonitorCloseFileHandle(priv->mon, vhostfdName));
if (removeextension)
ignore_value(qemuDomainDetachExtensionDevice(priv->mon, hostdev->info));
if (qemuDomainObjExitMonitor(driver, vm) < 0 || ret < 0)
qemuDomainObjExitMonitor(driver, vm);
if (ret < 0)
goto audit;
vm->def->hostdevs[vm->def->nhostdevs++] = hostdev;

24
src/qemu/qemu_migration.c
View File

@ -750,7 +750,8 @@ qemuMigrationSrcNBDCopyCancelOne(virQEMUDriver *driver,
* consistency on the destination so that we can force cancel the mirror */
rv = qemuMonitorBlockJobCancel(priv->mon, job->name, abortMigration);
if (qemuDomainObjExitMonitor(driver, vm) < 0 || rv < 0)
qemuDomainObjExitMonitor(driver, vm);
if (rv < 0)
return -1;
return 0;
@ -963,7 +964,8 @@ qemuMigrationSrcNBDStorageCopyBlockdev(virQEMUDriver *driver,
if (mon_ret != 0)
qemuBlockStorageSourceAttachRollback(qemuDomainGetMonitor(vm), data);
if (qemuDomainObjExitMonitor(driver, vm) < 0 || mon_ret < 0)
qemuDomainObjExitMonitor(driver, vm);
if (mon_ret < 0)
return -1;
diskPriv->migrSource = g_steal_pointer(&copysrc);
@ -1004,7 +1006,8 @@ qemuMigrationSrcNBDStorageCopyDriveMirror(virQEMUDriver *driver,
diskAlias, nbd_dest, "raw",
mirror_speed, 0, 0, mirror_shallow, true);
if (qemuDomainObjExitMonitor(driver, vm) < 0 || mon_ret < 0)
qemuDomainObjExitMonitor(driver, vm);
if (mon_ret < 0)
return -1;
return 0;
@ -1673,7 +1676,8 @@ qemuMigrationAnyFetchStats(virQEMUDriver *driver,
rv = qemuMonitorGetMigrationStats(priv->mon, &stats, error);
if (qemuDomainObjExitMonitor(driver, vm) < 0 || rv < 0)
qemuDomainObjExitMonitor(driver, vm);
if (rv < 0)
return -1;
jobInfo->stats.mig = stats;
@ -2140,7 +2144,8 @@ qemuMigrationDstRun(virQEMUDriver *driver,
rv = qemuMonitorMigrateIncoming(priv->mon, uri);
exit_monitor:
if (qemuDomainObjExitMonitor(driver, vm) < 0 || rv < 0)
qemuDomainObjExitMonitor(driver, vm);
if (rv < 0)
return -1;
if (asyncJob == QEMU_ASYNC_JOB_MIGRATION_IN) {
@ -3930,7 +3935,8 @@ qemuMigrationSrcRunPrepareBlockDirtyBitmapsMerge(virDomainObj *vm,
rc = qemuMonitorTransaction(priv->mon, &actions);
if (qemuDomainObjExitMonitor(driver, vm) < 0 || rc < 0)
qemuDomainObjExitMonitor(driver, vm);
if (rc < 0)
return -1;
jobPriv->migTempBitmaps = g_steal_pointer(&tmpbitmaps);
@ -4240,7 +4246,8 @@ qemuMigrationSrcRun(virQEMUDriver *driver,
break;
}
if (qemuDomainObjExitMonitor(driver, vm) < 0 || rc < 0)
qemuDomainObjExitMonitor(driver, vm);
if (rc < 0)
goto error;
/* From this point onwards we *must* call cancel to abort the
@ -6247,7 +6254,8 @@ qemuMigrationSrcFetchMirrorStats(virQEMUDriver *driver,
blockinfo = qemuMonitorGetAllBlockJobInfo(priv->mon, false);
if (qemuDomainObjExitMonitor(driver, vm) < 0 || !blockinfo)
qemuDomainObjExitMonitor(driver, vm);
if (!blockinfo)
return -1;
memset(stats, 0, sizeof(*stats));

3
src/qemu/qemu_migration_cookie.c
View File

@ -496,7 +496,8 @@ qemuMigrationCookieAddNBD(qemuMigrationCookie *mig,
rc = qemuMonitorBlockStatsUpdateCapacityBlockdev(priv->mon, stats);
else
rc = qemuMonitorBlockStatsUpdateCapacity(priv->mon, stats);
if (qemuDomainObjExitMonitor(driver, vm) < 0 || rc < 0)
qemuDomainObjExitMonitor(driver, vm);
if (rc < 0)
return -1;
for (i = 0; i < vm->def->ndisks; i++) {

6
src/qemu/qemu_migration_params.c
View File

@ -1079,7 +1079,8 @@ qemuMigrationParamsFetch(virQEMUDriver *driver,
rc = qemuMonitorGetMigrationParams(priv->mon, &jsonParams);
if (qemuDomainObjExitMonitor(driver, vm) < 0 || rc < 0)
qemuDomainObjExitMonitor(driver, vm);
if (rc < 0)
return -1;
if (!(*migParams = qemuMigrationParamsFromJSON(jsonParams)))
@ -1379,7 +1380,8 @@ qemuMigrationCapsCheck(virQEMUDriver *driver,
rc = qemuMonitorGetMigrationCapabilities(priv->mon, &caps);
if (qemuDomainObjExitMonitor(driver, vm) < 0 || rc < 0)
qemuDomainObjExitMonitor(driver, vm);
if (rc < 0)
return -1;
if (!caps)

19
src/qemu/qemu_process.c
View File

@ -2372,7 +2372,8 @@ qemuProcessRefreshBalloonState(virQEMUDriver *driver,
return -1;
rc = qemuMonitorGetBalloonInfo(qemuDomainGetMonitor(vm), &balloon);
if (qemuDomainObjExitMonitor(driver, vm) < 0 || rc < 0)
qemuDomainObjExitMonitor(driver, vm);
if (rc < 0)
return -1;
/* We want the balloon size stored in domain definition to
@ -4457,7 +4458,8 @@ qemuProcessFetchCPUDefinitions(virQEMUDriver *driver,
rc = virQEMUCapsFetchCPUModels(priv->mon, vm->def->os.arch, &models);
if (qemuDomainObjExitMonitor(driver, vm) < 0 || rc < 0)
qemuDomainObjExitMonitor(driver, vm);
if (rc < 0)
return -1;
*cpuModels = g_steal_pointer(&models);
@ -7127,7 +7129,8 @@ qemuProcessSetupDisksTransientHotplug(virDomainObj *vm,
rc = qemuMonitorSystemReset(priv->mon);
if (qemuDomainObjExitMonitor(priv->driver, vm) < 0 || rc < 0)
qemuDomainObjExitMonitor(priv->driver, vm);
if (rc < 0)
return -1;
}
@ -7178,7 +7181,8 @@ qemuProcessSetupLifecycleActions(virDomainObj *vm,
QEMU_MONITOR_ACTION_WATCHDOG_KEEP,
QEMU_MONITOR_ACTION_PANIC_KEEP);
if (qemuDomainObjExitMonitor(priv->driver, vm) < 0 || rc < 0)
qemuDomainObjExitMonitor(priv->driver, vm);
if (rc < 0)
return -1;
return 0;
@ -8390,7 +8394,8 @@ qemuProcessRefreshCPUMigratability(virQEMUDriver *driver,
rc = qemuMonitorGetCPUMigratable(priv->mon, &migratable);
if (qemuDomainObjExitMonitor(driver, vm) < 0 || rc < 0)
qemuDomainObjExitMonitor(driver, vm);
if (rc < 0)
return -1;
if (rc == 1)
@ -8547,7 +8552,9 @@ qemuProcessRefreshLegacyBlockjobs(virQEMUDriver *driver,
qemuDomainObjEnterMonitor(driver, vm);
blockJobs = qemuMonitorGetAllBlockJobInfo(qemuDomainGetMonitor(vm), true);
if (qemuDomainObjExitMonitor(driver, vm) < 0 || !blockJobs)
qemuDomainObjExitMonitor(driver, vm);
if (!blockJobs)
goto cleanup;
if (virHashForEach(blockJobs, qemuProcessRefreshLegacyBlockjob, vm) < 0)

3
src/qemu/qemu_snapshot.c
View File

@ -1032,7 +1032,8 @@ qemuSnapshotDiskPrepareOneBlockdev(virQEMUDriver *driver,
rc = qemuBlockStorageSourceAttachApply(qemuDomainGetMonitor(vm),
dd->crdata->srcdata[0]);
if (qemuDomainObjExitMonitor(driver, vm) < 0 || rc < 0)
qemuDomainObjExitMonitor(driver, vm);
if (rc < 0)
return -1;
} else {
if (qemuBlockStorageSourceCreateDetectSize(blockNamedNodeData,