element: unref message in _post_message when there is no implementation

'gst_element_post_message' takes the ownership of the message, so it
shall unref it when there is no post_message implementation. Otherwise
message is leaked.

https://bugzilla.gnome.org/show_bug.cgi?id=759300

diff --git a/gst/gstelement.c b/gst/gstelement.c
index 832ac27..dd26e2c 100644 (file)
--- a/gst/gstelement.c
+++ b/gst/gstelement.c
@@ -1743,6 +1743,8 @@ gst_element_post_message (GstElement * element, GstMessage * message)
   klass = GST_ELEMENT_GET_CLASS (element);
   if (klass->post_message)
     res = klass->post_message (element, message);
+  else
+    gst_message_unref (message);
 
   GST_TRACER_ELEMENT_POST_MESSAGE_POST (element, res);
   return res;