From patchwork Fri Mar 4 16:45:27 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Markus Armbruster X-Patchwork-Id: 8506321 Return-Path: X-Original-To: patchwork-qemu-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id EC1C09F7CA for ; Fri, 4 Mar 2016 16:51:46 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 2DCBF20125 for ; Fri, 4 Mar 2016 16:51:46 +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 4779A2013A for ; Fri, 4 Mar 2016 16:51:45 +0000 (UTC) Received: from localhost ([::1]:42312 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1absx6-0002w3-PH for patchwork-qemu-devel@patchwork.kernel.org; Fri, 04 Mar 2016 11:51:44 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55767) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1absrA-00019L-79 for qemu-devel@nongnu.org; Fri, 04 Mar 2016 11:45:40 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1absr9-0005aI-2V for qemu-devel@nongnu.org; Fri, 04 Mar 2016 11:45:36 -0500 Received: from mx1.redhat.com ([209.132.183.28]:48202) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1absr8-0005a6-Rb for qemu-devel@nongnu.org; Fri, 04 Mar 2016 11:45:35 -0500 Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (Postfix) with ESMTPS id 7AE8D90E7B for ; Fri, 4 Mar 2016 16:45:34 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-116-56.ams2.redhat.com [10.36.116.56]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u24GjVVS027221 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Fri, 4 Mar 2016 11:45:33 -0500 Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id AE7073004F8D; Fri, 4 Mar 2016 17:45:29 +0100 (CET) From: Markus Armbruster To: qemu-devel@nongnu.org Date: Fri, 4 Mar 2016 17:45:27 +0100 Message-Id: <1457109928-4881-12-git-send-email-armbru@redhat.com> In-Reply-To: <1457109928-4881-1-git-send-email-armbru@redhat.com> References: <1457109928-4881-1-git-send-email-armbru@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL 11/12] 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 From: Eric Blake 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 Message-Id: <1457106160-23614-1-git-send-email-eblake@redhat.com> --- backends/baum.c | 2 +- backends/msmouse.c | 2 +- qapi-schema.json | 15 ++++++--------- qemu-char.c | 8 ++++---- 4 files changed, 12 insertions(+), 15 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/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', diff --git a/qemu-char.c b/qemu-char.c index af31102..e0147f3 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) { @@ -2183,7 +2183,7 @@ static CharDriverState *qemu_chr_open_win_con(const char *id, ChardevReturn *ret, Error **errp) { - ChardevCommon *common = qapi_ChardevDummy_base(backend->u.console); + ChardevCommon *common = backend->u.console; return qemu_chr_open_win_file(GetStdHandle(STD_OUTPUT_HANDLE), common, errp); } @@ -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);