[PATCH 01/12] qemuMonitorJSONSetMigrationParams: Take double pointer for @params

[Peter Krempa <pkrempa@xxxxxxxxxx>]

This allows simplification of the caller as well as will enable a later
refactor of qemuMonitorJSONMakeCommandInternal.

Signed-off-by: Peter Krempa <pkrempa@xxxxxxxxxx>
---
 src/qemu/qemu_migration_params.c |  9 +++------
 src/qemu/qemu_monitor.c          | 11 +++--------
 src/qemu/qemu_monitor.h          |  2 +-
 src/qemu/qemu_monitor_json.c     |  5 +++--
 src/qemu/qemu_monitor_json.h     |  2 +-
 5 files changed, 11 insertions(+), 18 deletions(-)

diff --git a/src/qemu/qemu_migration_params.c b/src/qemu/qemu_migration_params.c
index df5560d39f..d1d59aeb01 100644
--- a/src/qemu/qemu_migration_params.c
+++ b/src/qemu/qemu_migration_params.c
@@ -843,12 +843,9 @@ qemuMigrationParamsApply(virQEMUDriverPtr driver,
     if (!(params = qemuMigrationParamsToJSON(migParams)))
         goto cleanup;

-    if (virJSONValueObjectKeysNumber(params) > 0) {
-        rc = qemuMonitorSetMigrationParams(priv->mon, params);
-        params = NULL;
-        if (rc < 0)
-            goto cleanup;
-    }
+    if (virJSONValueObjectKeysNumber(params) > 0 &&
+        qemuMonitorSetMigrationParams(priv->mon, &params) < 0)
+        goto cleanup;

     ret = 0;

diff --git a/src/qemu/qemu_monitor.c b/src/qemu/qemu_monitor.c
index 40f2997cb6..a81cd5fff5 100644
--- a/src/qemu/qemu_monitor.c
+++ b/src/qemu/qemu_monitor.c
@@ -2464,22 +2464,17 @@ qemuMonitorGetMigrationParams(qemuMonitorPtr mon,
  * @mon: Pointer to the monitor object.
  * @params: Migration parameters.
  *
- * The @params object is consumed and should not be referenced by the caller
- * after this function returns.
+ * The @params object is consumed and cleared.
  *
  * Returns 0 on success, -1 on error.
  */
 int
 qemuMonitorSetMigrationParams(qemuMonitorPtr mon,
-                              virJSONValuePtr params)
+                              virJSONValuePtr *params)
 {
-    QEMU_CHECK_MONITOR_GOTO(mon, error);
+    QEMU_CHECK_MONITOR(mon);

     return qemuMonitorJSONSetMigrationParams(mon, params);
-
- error:
-    virJSONValueFree(params);
-    return -1;
 }


diff --git a/src/qemu/qemu_monitor.h b/src/qemu/qemu_monitor.h
index 3a09b995ce..c543515cdc 100644
--- a/src/qemu/qemu_monitor.h
+++ b/src/qemu/qemu_monitor.h
@@ -793,7 +793,7 @@ int qemuMonitorSetMigrationCacheSize(qemuMonitorPtr mon,
 int qemuMonitorGetMigrationParams(qemuMonitorPtr mon,
                                   virJSONValuePtr *params);
 int qemuMonitorSetMigrationParams(qemuMonitorPtr mon,
-                                  virJSONValuePtr params);
+                                  virJSONValuePtr *params);

 typedef enum {
     QEMU_MONITOR_MIGRATION_STATUS_INACTIVE,
diff --git a/src/qemu/qemu_monitor_json.c b/src/qemu/qemu_monitor_json.c
index 936254f0ec..ad517a99b8 100644
--- a/src/qemu/qemu_monitor_json.c
+++ b/src/qemu/qemu_monitor_json.c
@@ -3461,12 +3461,13 @@ qemuMonitorJSONGetMigrationParams(qemuMonitorPtr mon,

 int
 qemuMonitorJSONSetMigrationParams(qemuMonitorPtr mon,
-                                  virJSONValuePtr params)
+                                  virJSONValuePtr *params)
 {
     g_autoptr(virJSONValue) cmd = NULL;
     g_autoptr(virJSONValue) reply = NULL;
+    virJSONValuePtr par = g_steal_pointer(params);

-    if (!(cmd = qemuMonitorJSONMakeCommandInternal("migrate-set-parameters", params)))
+    if (!(cmd = qemuMonitorJSONMakeCommandInternal("migrate-set-parameters", par)))
         return -1;

     if (qemuMonitorJSONCommand(mon, cmd, &reply) < 0)
diff --git a/src/qemu/qemu_monitor_json.h b/src/qemu/qemu_monitor_json.h
index 4eb0f667a2..f3d7d204d6 100644
--- a/src/qemu/qemu_monitor_json.h
+++ b/src/qemu/qemu_monitor_json.h
@@ -140,7 +140,7 @@ int qemuMonitorJSONSetMigrationCacheSize(qemuMonitorPtr mon,
 int qemuMonitorJSONGetMigrationParams(qemuMonitorPtr mon,
                                       virJSONValuePtr *params);
 int qemuMonitorJSONSetMigrationParams(qemuMonitorPtr mon,
-                                      virJSONValuePtr params);
+                                      virJSONValuePtr *params);

 int qemuMonitorJSONGetMigrationStats(qemuMonitorPtr mon,
                                      qemuMonitorMigrationStatsPtr stats,
-- 
2.29.2