qemuMonitorJSONGetObjectTypes: Refactor cleanup

Use automatic memory clearing to simplify the control flow.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>

diff --git a/src/qemu/qemu_monitor_json.c b/src/qemu/qemu_monitor_json.c
index c25e282d514d569a5f22ea91349e82f7b8031eca..74e06e7604961923aa1a00e35cd442df3b5d6827 100644 (file)
--- a/src/qemu/qemu_monitor_json.c
+++ b/src/qemu/qemu_monitor_json.c
@@ -6293,14 +6293,14 @@ int qemuMonitorJSONGetKVMState(qemuMonitor *mon,
 }
 
 
-int qemuMonitorJSONGetObjectTypes(qemuMonitor *mon,
-                                  char ***types)
+int
+qemuMonitorJSONGetObjectTypes(qemuMonitor *mon,
+                              char ***types)
 {
-    int ret = -1;
-    virJSONValue *cmd;
-    virJSONValue *reply = NULL;
+    g_autoptr(virJSONValue) cmd = NULL;
+    g_autoptr(virJSONValue) reply = NULL;
     virJSONValue *data;
-    char **typelist = NULL;
+    g_auto(GStrv) typelist = NULL;
     size_t n = 0;
     size_t i;
 
@@ -6310,10 +6310,10 @@ int qemuMonitorJSONGetObjectTypes(qemuMonitor *mon,
         return -1;
 
     if (qemuMonitorJSONCommand(mon, cmd, &reply) < 0)
-        goto cleanup;
+        return -1;
 
     if (qemuMonitorJSONCheckReply(cmd, reply, VIR_JSON_TYPE_ARRAY) < 0)
-        goto cleanup;
+        return -1;
 
     data = virJSONValueObjectGetArray(reply, "return");
     n = virJSONValueArraySize(data);
@@ -6328,20 +6328,14 @@ int qemuMonitorJSONGetObjectTypes(qemuMonitor *mon,
         if (!(tmp = virJSONValueObjectGetString(child, "name"))) {
             virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                            _("qom-list-types reply data was missing 'name'"));
-            goto cleanup;
+            return -1;
         }
 
         typelist[i] = g_strdup(tmp);
     }
 
-    ret = n;
     *types = g_steal_pointer(&typelist);
-
- cleanup:
-    g_strfreev(typelist);
-    virJSONValueFree(cmd);
-    virJSONValueFree(reply);
-    return ret;
+    return n;
 }