From 0632da4d9e2ec1e445840299f1e0fbda7a61bef4 Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann <kraxel@redhat.com>
Date: Fri, 12 Jan 2018 13:47:48 +0100
Subject: [PATCH 07/12] ui: fix dcl unregister
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RH-Author: Gerd Hoffmann <kraxel@redhat.com>
Message-id: <20180112134748.13701-2-kraxel@redhat.com>
Patchwork-id: 78568
O-Subject: [RHV7.5 qemu-kvm-rhev PATCH 1/1] ui: fix dcl unregister
Bugzilla: 1510809
RH-Acked-by: John Snow <jsnow@redhat.com>
RH-Acked-by: Jeffrey Cody <jcody@redhat.com>
RH-Acked-by: Laszlo Ersek <lersek@redhat.com>

register checks for dcl->ds being NULL, to avoid registering
the same dcl twice.

Therefore dcl->ds must be cleared on unregister, otherwise
un-registering and re-registering doesn't work.

Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1510809
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20171109105154.29414-1-kraxel@redhat.com
(cherry picked from commit 777c5f1e436d334a57b650b6951c13d8d2799df0)
Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
---
 ui/console.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ui/console.c b/ui/console.c
index 2616f9c..6967fd4 100644
--- a/ui/console.c
+++ b/ui/console.c
@@ -1489,6 +1489,7 @@ void unregister_displaychangelistener(DisplayChangeListener *dcl)
         dcl->con->dcls--;
     }
     QLIST_REMOVE(dcl, next);
+    dcl->ds = NULL;
     gui_setup_refresh(ds);
 }
 
-- 
1.8.3.1