broadway: Handle NULL surface in update

This happen if nothing has been drawn yet.
2012-12-27 22:19:23 +01:00
parent e00bc73de8
commit ec45d2f8c7
1 changed files with 3 additions and 0 deletions
--- a/gdk/broadway/gdkbroadway-server.c
+++ b/gdk/broadway/gdkbroadway-server.c
@ -598,6 +598,9 @@ _gdk_broadway_server_window_update (GdkBroadwayServer *server,
  BroadwayRequestUpdate msg;
  BroadwayShmSurfaceData *data;

+  if (surface == NULL)
+    return;
+
  data = cairo_surface_get_user_data (surface, &gdk_broadway_shm_cairo_key);
  g_assert (data != NULL);