[gcr] gck: Don't try and discard handle for session that was not opened

[Stefan Walter <stefw src gnome org>]

commit f96fe8eb8a497522abd6fd6c0301abff48604e60
Author: Stef Walter <stefw collabora co uk>
Date:   Wed Nov 2 08:22:47 2011 +0100

    gck: Don't try and discard handle for session that was not opened

 gck/gck-session.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/gck/gck-session.c b/gck/gck-session.c
index 8b4ca76..a6ce5f1 100644
--- a/gck/gck-session.c
+++ b/gck/gck-session.c
@@ -228,7 +228,8 @@ gck_session_dispose (GObject *obj)
 
 	g_return_if_fail (GCK_IS_SESSION (self));
 
-	if (g_atomic_int_compare_and_exchange (&self->pv->discarded, 0, 1)) {
+	if (self->pv->handle != 0 &&
+	    g_atomic_int_compare_and_exchange (&self->pv->discarded, 0, 1)) {
 
 		/*
 		 * Let the world know that we're discarding the session
@@ -247,7 +248,8 @@ gck_session_finalize (GObject *obj)
 {
 	GckSession *self = GCK_SESSION (obj);
 
-	g_assert (g_atomic_int_get (&self->pv->discarded) != 0);
+	g_assert (self->pv->handle == 0 ||
+	          g_atomic_int_get (&self->pv->discarded) != 0);
 
 	g_clear_object (&self->pv->interaction);
 	g_clear_object (&self->pv->slot);