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qemuMigrationCapsCheck: Refactor variable cleanup

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Use automatic memory allocation to simplify the code and remove the need
for a 'cleanup:' label.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2020-08-19 13:20:13 +02:00
parent d9115e7b0f
commit 9ea633f94f
1 changed files with 12 additions and 21 deletions
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33
src/qemu/qemu_migration_params.c
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@ -1352,11 +1352,10 @@ qemuMigrationCapsCheck(virQEMUDriverPtr driver,
int asyncJob)
{
qemuDomainObjPrivatePtr priv = vm->privateData;
virBitmapPtr migEvent = NULL;
virJSONValuePtr json = NULL;
char **caps = NULL;
g_autoptr(virBitmap) migEvent = NULL;
g_autoptr(virJSONValue) json = NULL;
g_auto(GStrv) caps = NULL;
char **capStr;
int ret = -1;
int rc;
if (qemuDomainObjEnterMonitorAsync(driver, vm, asyncJob) < 0)
@ -1365,16 +1364,14 @@ qemuMigrationCapsCheck(virQEMUDriverPtr driver,
rc = qemuMonitorGetMigrationCapabilities(priv->mon, &caps);
if (qemuDomainObjExitMonitor(driver, vm) < 0 || rc < 0)
goto cleanup;
return -1;
if (!caps) {
ret = 0;
goto cleanup;
}
if (!caps)
return 0;
priv->migrationCaps = virBitmapNew(QEMU_MIGRATION_CAP_LAST);
if (!priv->migrationCaps)
goto cleanup;
return -1;
for (capStr = caps; *capStr; capStr++) {
int cap = qemuMigrationCapabilityTypeFromString(*capStr);
@ -1390,21 +1387,21 @@ qemuMigrationCapsCheck(virQEMUDriverPtr driver,
if (virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_MIGRATION_EVENT)) {
migEvent = virBitmapNew(QEMU_MIGRATION_CAP_LAST);
if (!migEvent)
goto cleanup;
return -1;
ignore_value(virBitmapSetBit(migEvent, QEMU_MIGRATION_CAP_EVENTS));
if (!(json = qemuMigrationCapsToJSON(migEvent, migEvent)))
goto cleanup;
return -1;
if (qemuDomainObjEnterMonitorAsync(driver, vm, asyncJob) < 0)
goto cleanup;
return -1;
rc = qemuMonitorSetMigrationCapabilities(priv->mon, json);
json = NULL;
if (qemuDomainObjExitMonitor(driver, vm) < 0)
goto cleanup;
return -1;
if (rc < 0) {
virResetLastError();
@ -1420,13 +1417,7 @@ qemuMigrationCapsCheck(virQEMUDriverPtr driver,
ignore_value(virBitmapClearBit(priv->migrationCaps,
QEMU_MIGRATION_CAP_EVENTS));
ret = 0;
cleanup:
virBitmapFree(migEvent);
virJSONValueFree(json);
g_strfreev(caps);
return ret;
return 0;
}