From patchwork Thu Mar 3 16:16:51 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Blake X-Patchwork-Id: 8493811 Return-Path: X-Original-To: patchwork-qemu-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 20EB1C0553 for ; Thu, 3 Mar 2016 16:23:27 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 6DBC1202FF for ; Thu, 3 Mar 2016 16:23:26 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 973D420295 for ; Thu, 3 Mar 2016 16:23:25 +0000 (UTC) Received: from localhost ([::1]:36055 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1abW28-00051N-Rz for patchwork-qemu-devel@patchwork.kernel.org; Thu, 03 Mar 2016 11:23:24 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39448) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1abVw2-0003AE-Bx for qemu-devel@nongnu.org; Thu, 03 Mar 2016 11:17:07 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1abVvw-0003uP-8y for qemu-devel@nongnu.org; Thu, 03 Mar 2016 11:17:06 -0500 Received: from mx1.redhat.com ([209.132.183.28]:40990) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1abVvw-0003u1-25 for qemu-devel@nongnu.org; Thu, 03 Mar 2016 11:17:00 -0500 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (Postfix) with ESMTPS id BDC5DC6D83; Thu, 3 Mar 2016 16:16:59 +0000 (UTC) Received: from red.redhat.com (ovpn-113-165.phx2.redhat.com [10.3.113.165]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u23GGsrt021507; Thu, 3 Mar 2016 11:16:59 -0500 From: Eric Blake To: qemu-devel@nongnu.org Date: Thu, 3 Mar 2016 09:16:51 -0700 Message-Id: <1457021813-10704-10-git-send-email-eblake@redhat.com> In-Reply-To: <1457021813-10704-1-git-send-email-eblake@redhat.com> References: <1457021813-10704-1-git-send-email-eblake@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 209.132.183.28 Cc: Samuel Thibault , armbru@redhat.com, Paolo Bonzini Subject: [Qemu-devel] [PATCH v3 09/10] chardev: Drop useless ChardevDummy type X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Commit d0d7708b made ChardevDummy be an empty wrapper type around ChardevCommon. But there is no technical reason for this indirection, so simplify the code by directly using the base type. Also change the fallback assignment to assign u.null rather than u.data, since a future patch will remove the data member of the C struct generated for QAPI unions. Signed-off-by: Eric Blake Reviewed-by: Daniel P. Berrange --- v3: no change v2: add R-b --- backends/baum.c | 2 +- backends/msmouse.c | 2 +- qemu-char.c | 6 +++--- qapi-schema.json | 15 ++++++--------- 4 files changed, 11 insertions(+), 14 deletions(-) diff --git a/backends/baum.c b/backends/baum.c index 374562a..c11320e 100644 --- a/backends/baum.c +++ b/backends/baum.c @@ -567,7 +567,7 @@ static CharDriverState *chr_baum_init(const char *id, ChardevReturn *ret, Error **errp) { - ChardevCommon *common = qapi_ChardevDummy_base(backend->u.braille); + ChardevCommon *common = backend->u.braille; BaumDriverState *baum; CharDriverState *chr; brlapi_handle_t *handle; diff --git a/backends/msmouse.c b/backends/msmouse.c index 9a82efd..5e1833c 100644 --- a/backends/msmouse.c +++ b/backends/msmouse.c @@ -68,7 +68,7 @@ static CharDriverState *qemu_chr_open_msmouse(const char *id, ChardevReturn *ret, Error **errp) { - ChardevCommon *common = qapi_ChardevDummy_base(backend->u.msmouse); + ChardevCommon *common = backend->u.msmouse; CharDriverState *chr; chr = qemu_chr_alloc(common, errp); diff --git a/qemu-char.c b/qemu-char.c index af31102..6eb10e6 100644 --- a/qemu-char.c +++ b/qemu-char.c @@ -420,7 +420,7 @@ static CharDriverState *qemu_chr_open_null(const char *id, Error **errp) { CharDriverState *chr; - ChardevCommon *common = qapi_ChardevDummy_base(backend->u.null); + ChardevCommon *common = backend->u.null; chr = qemu_chr_alloc(common, errp); if (!chr) { @@ -1366,7 +1366,7 @@ static CharDriverState *qemu_chr_open_pty(const char *id, PtyCharDriver *s; int master_fd, slave_fd; char pty_name[PATH_MAX]; - ChardevCommon *common = qapi_ChardevDummy_base(backend->u.pty); + ChardevCommon *common = backend->u.pty; master_fd = qemu_openpty_raw(&slave_fd, pty_name); if (master_fd < 0) { @@ -3817,7 +3817,7 @@ CharDriverState *qemu_chr_new_from_opts(QemuOpts *opts, } else { ChardevCommon *cc = g_new0(ChardevCommon, 1); qemu_chr_parse_common(opts, cc); - backend->u.data = cc; + backend->u.null = cc; /* Any ChardevCommon member would work */ } ret = qmp_chardev_add(bid ? bid : id, backend, errp); diff --git a/qapi-schema.json b/qapi-schema.json index 42fd61b..362c9d8 100644 --- a/qapi-schema.json +++ b/qapi-schema.json @@ -3323,23 +3323,20 @@ # # Since: 1.4 (testdev since 2.2) ## -{ 'struct': 'ChardevDummy', 'data': { }, - 'base': 'ChardevCommon' } - { 'union': 'ChardevBackend', 'data': { 'file' : 'ChardevFile', 'serial' : 'ChardevHostdev', 'parallel': 'ChardevHostdev', 'pipe' : 'ChardevHostdev', 'socket' : 'ChardevSocket', 'udp' : 'ChardevUdp', - 'pty' : 'ChardevDummy', - 'null' : 'ChardevDummy', + 'pty' : 'ChardevCommon', + 'null' : 'ChardevCommon', 'mux' : 'ChardevMux', - 'msmouse': 'ChardevDummy', - 'braille': 'ChardevDummy', - 'testdev': 'ChardevDummy', + 'msmouse': 'ChardevCommon', + 'braille': 'ChardevCommon', + 'testdev': 'ChardevCommon', 'stdio' : 'ChardevStdio', - 'console': 'ChardevDummy', + 'console': 'ChardevCommon', 'spicevmc' : 'ChardevSpiceChannel', 'spiceport' : 'ChardevSpicePort', 'vc' : 'ChardevVC',