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qemuMonitorSetMigrationCapabilities: Take double pointer for @caps

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This allows simplification of the callers.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Peter Krempa 2020-11-30 15:17:34 +01:00
parent 7e8a9118d5
commit d430b5ab31
6 changed files with 12 additions and 24 deletions
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11
src/qemu/qemu_migration_params.c
View File

@ -803,7 +803,6 @@ qemuMigrationParamsApply(virQEMUDriverPtr driver,
g_autoptr(virJSONValue) caps = NULL;
qemuMigrationParam xbzrle = QEMU_MIGRATION_PARAM_XBZRLE_CACHE_SIZE;
int ret = -1;
int rc;
if (qemuDomainObjEnterMonitorAsync(driver, vm, asyncJob) < 0)
return -1;
@ -819,13 +818,10 @@ qemuMigrationParamsApply(virQEMUDriverPtr driver,
if (!(caps = qemuMigrationCapsToJSON(priv->migrationCaps, migParams->caps)))
goto cleanup;
if (virJSONValueArraySize(caps) > 0) {
rc = qemuMonitorSetMigrationCapabilities(priv->mon, caps);
caps = NULL;
if (rc < 0)
if (virJSONValueArraySize(caps) > 0 &&
qemuMonitorSetMigrationCapabilities(priv->mon, &caps) < 0)
goto cleanup;
}
}
/* If QEMU is too old to support xbzrle-cache-size migration parameter,
* we need to set it via migrate-set-cache-size and tell
@ -1389,8 +1385,7 @@ qemuMigrationCapsCheck(virQEMUDriverPtr driver,
if (qemuDomainObjEnterMonitorAsync(driver, vm, asyncJob) < 0)
return -1;
rc = qemuMonitorSetMigrationCapabilities(priv->mon, json);
json = NULL;
rc = qemuMonitorSetMigrationCapabilities(priv->mon, &json);
if (qemuDomainObjExitMonitor(driver, vm) < 0)
return -1;

11
src/qemu/qemu_monitor.c
View File

@ -3879,22 +3879,17 @@ qemuMonitorGetMigrationCapabilities(qemuMonitorPtr mon,
* @mon: Pointer to the monitor object.
* @caps: Migration capabilities.
*
* The @caps object is consumed and should not be referenced by the caller
* after this function returns.
* The @caps object is consumed cleared on success and some errors.
*
* Returns 0 on success, -1 on error.
*/
int
qemuMonitorSetMigrationCapabilities(qemuMonitorPtr mon,
virJSONValuePtr caps)
virJSONValuePtr *caps)
{
QEMU_CHECK_MONITOR_GOTO(mon, error);
QEMU_CHECK_MONITOR(mon);
return qemuMonitorJSONSetMigrationCapabilities(mon, caps);
error:
virJSONValueFree(caps);
return -1;
}

2
src/qemu/qemu_monitor.h
View File

@ -864,7 +864,7 @@ int qemuMonitorGetMigrationStats(qemuMonitorPtr mon,
int qemuMonitorGetMigrationCapabilities(qemuMonitorPtr mon,
char ***capabilities);
int qemuMonitorSetMigrationCapabilities(qemuMonitorPtr mon,
virJSONValuePtr caps);
virJSONValuePtr *caps);
int qemuMonitorGetGICCapabilities(qemuMonitorPtr mon,
virGICCapability **capabilities);

5
src/qemu/qemu_monitor_json.c
View File

@ -6972,14 +6972,14 @@ qemuMonitorJSONGetMigrationCapabilities(qemuMonitorPtr mon,
int
qemuMonitorJSONSetMigrationCapabilities(qemuMonitorPtr mon,
virJSONValuePtr caps)
virJSONValuePtr *caps)
{
int ret = -1;
virJSONValuePtr cmd = NULL;
virJSONValuePtr reply = NULL;
cmd = qemuMonitorJSONMakeCommand("migrate-set-capabilities",
"a:capabilities", &caps,
"a:capabilities", caps,
NULL);
if (!cmd)
goto cleanup;
@ -6992,7 +6992,6 @@ qemuMonitorJSONSetMigrationCapabilities(qemuMonitorPtr mon,
ret = 0;
cleanup:
virJSONValueFree(caps);
virJSONValueFree(cmd);
virJSONValueFree(reply);
return ret;

2
src/qemu/qemu_monitor_json.h
View File

@ -149,7 +149,7 @@ int qemuMonitorJSONGetMigrationStats(qemuMonitorPtr mon,
int qemuMonitorJSONGetMigrationCapabilities(qemuMonitorPtr mon,
char ***capabilities);
int qemuMonitorJSONSetMigrationCapabilities(qemuMonitorPtr mon,
virJSONValuePtr caps);
virJSONValuePtr *caps);
int qemuMonitorJSONGetGICCapabilities(qemuMonitorPtr mon,
virGICCapability **capabilities);

3
tests/qemumonitorjsontest.c
View File

@ -2092,8 +2092,7 @@ testQemuMonitorJSONqemuMonitorJSONGetMigrationCapabilities(const void *opaque)
goto cleanup;
ret = qemuMonitorJSONSetMigrationCapabilities(qemuMonitorTestGetMonitor(test),
json);
json = NULL;
&json);
cleanup:
virJSONValueFree(json);