From f7801c5ce42250bf1e84d21bceb1802cfe4485e8 Mon Sep 17 00:00:00 2001
From: Gonglei <arei.gonglei@huawei.com>
Date: Thu, 5 Feb 2015 17:43:35 +0800
Subject: [PATCH] vnc: auto assian an id when calling change vnc qmp interface

Only in this way, change vnc qmp interface can take effect,
because qemu_opts_find(&qemu_vnc_opts, id) will return NULL
in vnc_display_open(), It can't connect successfully vnc
server forever.

Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 qmp.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/qmp.c b/qmp.c
index 6b2c4bef3b..d701cff5ac 100644
--- a/qmp.c
+++ b/qmp.c
@@ -387,6 +387,11 @@ static void qmp_change_vnc_listen(const char *target, Error **errp)
         qemu_opts_del(opts);
     }
     opts = vnc_parse_func(target);
+    if (!opts) {
+        return;
+    }
+
+    vnc_auto_assign_id(olist, opts);
     vnc_display_open("default", errp);
 }
 
-- 
2.11.4.GIT