[Qemu-devel] [PATCH] Fix some memory leaks in test-visitor-serialization

[Stefan Berger <stefanb@linux.vnet.ibm.com>]

This patch fixes some of the memory leaks in test-visitor-serialization 
but not all of them.

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>

---
  tests/test-visitor-serialization.c |   17 ++++++++++++++---
  1 file changed, 14 insertions(+), 3 deletions(-)

Index: qemu-git.pt/tests/test-visitor-serialization.c
===================================================================
--- qemu-git.pt.orig/tests/test-visitor-serialization.c
+++ qemu-git.pt/tests/test-visitor-serialization.c
@@ -258,6 +258,7 @@ static void test_primitives(gconstpointe
      g_assert(pt_copy != NULL);
      if (pt->type == PTYPE_STRING) {
          g_assert_cmpstr(pt->value.string, ==, pt_copy->value.string);
+        g_free((char *)pt_copy->value.string);
      } else if (pt->type == PTYPE_NUMBER) {
          /* we serialize with %f for our reference visitors, so rather 
than fuzzy
           * floating math to test "equality", just compare the 
formatted values
@@ -275,6 +276,7 @@ static void test_primitives(gconstpointe

      ops->cleanup(serialize_data);
      g_free(args);
+    g_free(pt_copy);
  }

  static void test_struct(gconstpointer opaque)
@@ -637,6 +639,7 @@ PrimitiveType pt_values[] = {
  /* visitor-specific op implementations */

  typedef struct QmpSerializeData {
+    QObject *obj;
      QmpOutputVisitor *qov;
      QmpInputVisitor *qiv;
  } QmpSerializeData;
@@ -656,10 +659,10 @@ static void qmp_deserialize(void **nativ
  {
      QmpSerializeData *d = datap;
      QString *output_json = 
qobject_to_json(qmp_output_get_qobject(d->qov));
-    QObject *obj = qobject_from_json(qstring_get_str(output_json));

+    d->obj = qobject_from_json(qstring_get_str(output_json));
      QDECREF(output_json);
-    d->qiv = qmp_input_visitor_new(obj);
+    d->qiv = qmp_input_visitor_new(d->obj);
      visit(qmp_input_get_visitor(d->qiv), native_out, errp);
  }

@@ -668,9 +671,13 @@ static void qmp_cleanup(void *datap)
      QmpSerializeData *d = datap;
      qmp_output_visitor_cleanup(d->qov);
      qmp_input_visitor_cleanup(d->qiv);
+    qobject_decref(d->obj);
+
+    g_free(d);
  }

  typedef struct StringSerializeData {
+    char *string;
      StringOutputVisitor *sov;
      StringInputVisitor *siv;
  } StringSerializeData;
@@ -690,15 +697,19 @@ static void string_deserialize(void **na
  {
      StringSerializeData *d = datap;

-    d->siv = string_input_visitor_new(string_output_get_string(d->sov));
+    d->string = string_output_get_string(d->sov);
+    d->siv = string_input_visitor_new(d->string);
      visit(string_input_get_visitor(d->siv), native_out, errp);
  }

  static void string_cleanup(void *datap)
  {
      StringSerializeData *d = datap;
+
      string_output_visitor_cleanup(d->sov);
      string_input_visitor_cleanup(d->siv);
+    g_free(d->string);
+    g_free(d);
  }

  /* visitor registration, test harness */