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authorMarc-André Lureau <marcandre.lureau@redhat.com>2017-04-06 14:05:12 +0200
committerGerd Hoffmann <kraxel@redhat.com>2017-04-24 10:12:28 +0200
commite0665c3b5f57e0c1d20ec555c925fb84ccc31b29 (patch)
tree5e02aaac75ff16ca8e0dc16b1d12f46205bb6fbe
parent6905b93447a42e606dfd126b90f75f4cd3c6fe94 (diff)
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>
-rw-r--r--ui/console.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/ui/console.c b/ui/console.c
index 0cbe5033dd..189eecfd29 100644
--- a/ui/console.c
+++ b/ui/console.c
@@ -1410,6 +1410,8 @@ void register_displaychangelistener(DisplayChangeListener *dcl)
static DisplaySurface *dummy;
QemuConsole *con;
+ assert(!dcl->ds);
+
if (dcl->ops->dpy_gl_ctx_create) {
/* display has opengl support */
assert(dcl->con);