controlbinding: Check if the weak pointer was cleared before explicitly removing it

Otherwise we'll get an assertion if the object behind the weak pointer
was already destroyed in the meantime as we would pass NULL as first
argument to g_object_remove_weak_pointer().

diff --git a/gst/gstcontrolbinding.c b/gst/gstcontrolbinding.c
index bed5e01..568f82f 100644 (file)
--- a/gst/gstcontrolbinding.c
+++ b/gst/gstcontrolbinding.c
@@ -172,8 +172,9 @@ gst_control_binding_dispose (GObject * object)
   GstControlBinding *self = GST_CONTROL_BINDING (object);
 
   /* we did not took a reference */
-  g_object_remove_weak_pointer ((GObject *) self->__object,
-      (gpointer *) & self->__object);
+  if (self->__object)
+    g_object_remove_weak_pointer ((GObject *) self->__object,
+        (gpointer *) & self->__object);
   self->__object = NULL;
   g_weak_ref_clear (&self->ABI.abi.priv->object);