object: fix potential leak in getters

If the property is not of the requested type, the getters will leak a
QObject.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20170607163635.17635-3-marcandre.lureau@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>

diff --git a/qom/object.c b/qom/object.c
index eb4bc924ffa8ce73fc659b7a599e01edf4706f8e..c7b8079df6eebd4a5f80140427d7bc1dddab3644 100644 (file)
--- a/qom/object.c
+++ b/qom/object.c
@@ -1122,7 +1122,7 @@ char *object_property_get_str(Object *obj, const char *name,
         retval = g_strdup(qstring_get_str(qstring));
     }
 
-    QDECREF(qstring);
+    qobject_decref(ret);
     return retval;
 }
 
@@ -1183,7 +1183,7 @@ bool object_property_get_bool(Object *obj, const char *name,
         retval = qbool_get_bool(qbool);
     }
 
-    QDECREF(qbool);
+    qobject_decref(ret);
     return retval;
 }
 
@@ -1214,7 +1214,7 @@ int64_t object_property_get_int(Object *obj, const char *name,
         retval = qint_get_int(qint);
     }
 
-    QDECREF(qint);
+    qobject_decref(ret);
     return retval;
 }