commit e0665c3b5f57e0c1d20ec555c925fb84ccc31b29
author Marc-André Lureau <marcandre.lureau@redhat.com> Thu Apr 06 14:05:12 2017 +0200
committer Gerd Hoffmann <kraxel@redhat.com> Mon Apr 24 10:12:28 2017 +0200
tree 5e02aaac75ff16ca8e0dc16b1d12f46205bb6fbe
parent 6905b93447a42e606dfd126b90f75f4cd3c6fe94

console: add same displaychangelistener registration pre-condition

Catch an invalid state. Mainly useful for documentation purposes.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20170406120513.638-3-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

ui/console.c

diff --git a/ui/console.c b/ui/console.c
index 0cbe503..189eecf 100644
--- a/ui/console.c
+++ b/ui/console.c
@@ -1410,6 +1410,8 @@
     static DisplaySurface *dummy;
     QemuConsole *con;
 
+    assert(!dcl->ds);
+
     if (dcl->ops->dpy_gl_ctx_create) {
         /* display has opengl support */
         assert(dcl->con);