From nobody Mon Apr 29 14:17:16 2024 Delivered-To: importer@patchew.org Received-SPF: temperror (zoho.com: Error in retrieving data from DNS) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=temperror (zoho.com: Error in retrieving data from DNS) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (208.118.235.17 [208.118.235.17]) by mx.zohomail.com with SMTPS id 1510213159804216.22769376204587; Wed, 8 Nov 2017 23:39:19 -0800 (PST) Received: from localhost ([::1]:35601 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eChQb-0000VZ-EQ for importer@patchew.org; Thu, 09 Nov 2017 02:39:09 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:54635) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eChPg-0000Co-BV for qemu-devel@nongnu.org; Thu, 09 Nov 2017 02:38:13 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eChPd-0001zl-5O for qemu-devel@nongnu.org; Thu, 09 Nov 2017 02:38:12 -0500 Received: from mx1.redhat.com ([209.132.183.28]:46514) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1eChPc-0001zJ-VX for qemu-devel@nongnu.org; Thu, 09 Nov 2017 02:38:09 -0500 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id D26B55D9EA for ; Thu, 9 Nov 2017 07:38:07 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-116-41.ams2.redhat.com [10.36.116.41]) by smtp.corp.redhat.com (Postfix) with ESMTP id 1AFDF60BE3; Thu, 9 Nov 2017 07:38:04 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 39812409D2; Thu, 9 Nov 2017 08:38:04 +0100 (CET) From: Gerd Hoffmann To: qemu-devel@nongnu.org Date: Thu, 9 Nov 2017 08:37:59 +0100 Message-Id: <20171109073759.5910-1-kraxel@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Thu, 09 Nov 2017 07:38:07 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH] ui: fix dcl unregister X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Gerd Hoffmann Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_6 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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=3D1510809 Signed-off-by: Gerd Hoffmann Reviewed-by: Marc-Andr=C3=A9 Lureau --- ui/console.c | 1 + ui/vnc.c | 2 ++ 2 files changed, 3 insertions(+) diff --git a/ui/console.c b/ui/console.c index eca854cbd5..c4c95abed7 100644 --- a/ui/console.c +++ b/ui/console.c @@ -1471,6 +1471,7 @@ void unregister_displaychangelistener(DisplayChangeLi= stener *dcl) dcl->con->dcls--; } QLIST_REMOVE(dcl, next); + dcl->ds =3D NULL; gui_setup_refresh(ds); } =20 diff --git a/ui/vnc.c b/ui/vnc.c index 9f8d5a1b1f..bd46f11fcc 100644 --- a/ui/vnc.c +++ b/ui/vnc.c @@ -3044,6 +3044,7 @@ void vnc_display_init(const char *id) { VncDisplay *vd; =20 + fprintf(stderr, "%s: %s\n", __func__, id); if (vnc_display_find(id) !=3D NULL) { return; } @@ -3982,6 +3983,7 @@ void vnc_display_open(const char *id, Error **errp) } =20 if (con !=3D vd->dcl.con) { + fprintf(stderr, "%s: %s\n", __func__, id); unregister_displaychangelistener(&vd->dcl); vd->dcl.con =3D con; register_displaychangelistener(&vd->dcl); --=20 2.9.3