From: Marc-André Lureau <[email protected]>

If the listener doesn't have associate ds / display state, it is already
unregistered.

Reviewed-by: Daniel P. Berrangé <[email protected]>
Signed-off-by: Marc-André Lureau <[email protected]>
---
 ui/console.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ui/console.c b/ui/console.c
index ff561617657..8f65308958a 100644
--- a/ui/console.c
+++ b/ui/console.c
@@ -675,6 +675,9 @@ void unregister_displaychangelistener(DisplayChangeListener 
*dcl)
 {
     DisplayState *ds = dcl->ds;
     trace_displaychangelistener_unregister(dcl, dcl->ops->dpy_name);
+    if (!ds) {
+        return;
+    }
     if (dcl->con) {
         dcl->con->dcls--;
     }
-- 
2.54.0


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