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[Qemu-devel] [PATCH 2/3] console: add same displaychangelistener registr


From: Marc-André Lureau
Subject: [Qemu-devel] [PATCH 2/3] console: add same displaychangelistener registration pre-condition
Date: Thu, 6 Apr 2017 14:05:12 +0200

Catch an invalid state. Mainly useful for documentation purposes.

Signed-off-by: Marc-André Lureau <address@hidden>
---
 ui/console.c | 2 ++
 1 file changed, 2 insertions(+)

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);
-- 
2.12.0.191.gc5d8de91d




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