From patchwork Mon Mar 11 06:08:22 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wei Yang X-Patchwork-Id: 10846747 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 8D5EE17DF for ; Mon, 11 Mar 2019 06:21:02 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7AFFA28E0B for ; Mon, 11 Mar 2019 06:21:02 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6F3EB28F36; Mon, 11 Mar 2019 06:21:02 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 1F52728EDB for ; Mon, 11 Mar 2019 06:21:00 +0000 (UTC) Received: from localhost ([127.0.0.1]:56040 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1h3EJ1-0004iL-Bc for patchwork-qemu-devel@patchwork.kernel.org; Mon, 11 Mar 2019 02:20:59 -0400 Received: from eggs.gnu.org ([209.51.188.92]:37243) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1h3EI1-0003xp-Fv for qemu-devel@nongnu.org; Mon, 11 Mar 2019 02:19:58 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1h3E7N-0005NU-6D for qemu-devel@nongnu.org; Mon, 11 Mar 2019 02:08:57 -0400 Received: from mga17.intel.com ([192.55.52.151]:64405) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1h3E7M-0005Mj-T1 for qemu-devel@nongnu.org; Mon, 11 Mar 2019 02:08:57 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 10 Mar 2019 23:08:54 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.58,467,1544515200"; d="scan'208";a="132998875" Received: from richard.sh.intel.com (HELO localhost) ([10.239.159.54]) by orsmga003.jf.intel.com with ESMTP; 10 Mar 2019 23:08:53 -0700 From: Wei Yang To: qemu-devel@nongnu.org Date: Mon, 11 Mar 2019 14:08:22 +0800 Message-Id: <20190311060823.18360-2-richardw.yang@linux.intel.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20190311060823.18360-1-richardw.yang@linux.intel.com> References: <20190311060823.18360-1-richardw.yang@linux.intel.com> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 192.55.52.151 Subject: [Qemu-devel] [PATCH 1/2] vl.c: make find_default_machine() local 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: pbonzini@redhat.com, ehabkost@redhat.com, Wei Yang Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Function find_default_machine() is introduced by commit 2c8cffa599b7 "vl: make find_default_machine externally visible", while it seems no one outside use it. This patch make it local again. Signed-off-by: Wei Yang --- include/hw/boards.h | 1 - vl.c | 4 ++-- 2 files changed, 2 insertions(+), 3 deletions(-) diff --git a/include/hw/boards.h b/include/hw/boards.h index 21212f0859..e911d56c28 100644 --- a/include/hw/boards.h +++ b/include/hw/boards.h @@ -57,7 +57,6 @@ void memory_region_allocate_system_memory(MemoryRegion *mr, Object *owner, #define MACHINE_CLASS(klass) \ OBJECT_CLASS_CHECK(MachineClass, (klass), TYPE_MACHINE) -MachineClass *find_default_machine(void); extern MachineState *current_machine; void machine_run_board_init(MachineState *machine); diff --git a/vl.c b/vl.c index 502857a176..3688e2bc98 100644 --- a/vl.c +++ b/vl.c @@ -1441,7 +1441,7 @@ static MachineClass *find_machine(const char *name) return mc; } -MachineClass *find_default_machine(void) +static MachineClass *find_default_machine(void) { GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false); MachineClass *mc = NULL; @@ -2538,7 +2538,7 @@ static gint machine_class_cmp(gconstpointer a, gconstpointer b) object_class_get_name(OBJECT_CLASS(mc1))); } - static MachineClass *machine_parse(const char *name) +static MachineClass *machine_parse(const char *name) { MachineClass *mc = NULL; GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false); From patchwork Mon Mar 11 06:08:23 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wei Yang X-Patchwork-Id: 10846745 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3BB941390 for ; Mon, 11 Mar 2019 06:21:01 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 234B328B35 for ; Mon, 11 Mar 2019 06:21:01 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2124828F45; Mon, 11 Mar 2019 06:21:01 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id E95F728B35 for ; Mon, 11 Mar 2019 06:20:59 +0000 (UTC) Received: from localhost ([127.0.0.1]:56038 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1h3EJ0-0004ho-Nb for patchwork-qemu-devel@patchwork.kernel.org; Mon, 11 Mar 2019 02:20:58 -0400 Received: from eggs.gnu.org ([209.51.188.92]:37114) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1h3EI1-0003ss-Bl for qemu-devel@nongnu.org; Mon, 11 Mar 2019 02:19:58 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1h3E7N-0005Ne-Nu for qemu-devel@nongnu.org; Mon, 11 Mar 2019 02:08:58 -0400 Received: from mga17.intel.com ([192.55.52.151]:64405) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1h3E7N-0005Mj-Db for qemu-devel@nongnu.org; Mon, 11 Mar 2019 02:08:57 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 10 Mar 2019 23:08:56 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.58,467,1544515200"; d="scan'208";a="132998878" Received: from richard.sh.intel.com (HELO localhost) ([10.239.159.54]) by orsmga003.jf.intel.com with ESMTP; 10 Mar 2019 23:08:55 -0700 From: Wei Yang To: qemu-devel@nongnu.org Date: Mon, 11 Mar 2019 14:08:23 +0800 Message-Id: <20190311060823.18360-3-richardw.yang@linux.intel.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20190311060823.18360-1-richardw.yang@linux.intel.com> References: <20190311060823.18360-1-richardw.yang@linux.intel.com> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 192.55.52.151 Subject: [Qemu-devel] [PATCH 2/2] vl.c: allocate TYPE_MACHINE list once during bootup 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: pbonzini@redhat.com, ehabkost@redhat.com, Wei Yang Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Now all the functions used to select machine is local and the call flow looks like below: select_machine() find_default_machine() machine_parse() find_machine() All these related function will need a GSList for TYPE_MACHINE. Currently we allocate this list each time we use it, while this is not necessary to do so because we don't need to modify this. This patch make the TYPE_MACHINE list allocation in select_machine and pass this to its child for use. Signed-off-by: Wei Yang Reviewed-by: Markus Armbruster --- vl.c | 24 +++++++++++------------- 1 file changed, 11 insertions(+), 13 deletions(-) diff --git a/vl.c b/vl.c index 3688e2bc98..cf08d96ce4 100644 --- a/vl.c +++ b/vl.c @@ -1418,9 +1418,9 @@ static int usb_parse(const char *cmdline) MachineState *current_machine; -static MachineClass *find_machine(const char *name) +static MachineClass *find_machine(const char *name, GSList *machines) { - GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false); + GSList *el; MachineClass *mc = NULL; for (el = machines; el; el = el->next) { @@ -1437,13 +1437,12 @@ static MachineClass *find_machine(const char *name) } } - g_slist_free(machines); return mc; } -static MachineClass *find_default_machine(void) +static MachineClass *find_default_machine(GSList *machines) { - GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false); + GSList *el; MachineClass *mc = NULL; for (el = machines; el; el = el->next) { @@ -1455,7 +1454,6 @@ static MachineClass *find_default_machine(void) } } - g_slist_free(machines); return mc; } @@ -2538,16 +2536,15 @@ static gint machine_class_cmp(gconstpointer a, gconstpointer b) object_class_get_name(OBJECT_CLASS(mc1))); } -static MachineClass *machine_parse(const char *name) +static MachineClass *machine_parse(const char *name, GSList *machines) { MachineClass *mc = NULL; - GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false); + GSList *el; if (name) { - mc = find_machine(name); + mc = find_machine(name, machines); } if (mc) { - g_slist_free(machines); return mc; } if (name && !is_help_option(name)) { @@ -2567,7 +2564,6 @@ static MachineClass *machine_parse(const char *name) } } - g_slist_free(machines); exit(!name || !is_help_option(name)); } @@ -2659,7 +2655,8 @@ static const QEMUOption *lookup_opt(int argc, char **argv, static MachineClass *select_machine(void) { - MachineClass *machine_class = find_default_machine(); + GSList *machines = object_class_get_list(TYPE_MACHINE, false); + MachineClass *machine_class = find_default_machine(machines); const char *optarg; QemuOpts *opts; Location loc; @@ -2671,7 +2668,7 @@ static MachineClass *select_machine(void) optarg = qemu_opt_get(opts, "type"); if (optarg) { - machine_class = machine_parse(optarg); + machine_class = machine_parse(optarg, machines); } if (!machine_class) { @@ -2681,6 +2678,7 @@ static MachineClass *select_machine(void) } loc_pop(&loc); + g_slist_free(machines); return machine_class; } From patchwork Tue Apr 2 13:26:49 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Markus Armbruster X-Patchwork-Id: 10881703 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 2FB47922 for ; Tue, 2 Apr 2019 13:27:51 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 17E0427031 for ; Tue, 2 Apr 2019 13:27:51 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 08EE4274D0; Tue, 2 Apr 2019 13:27:51 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id A1CAC27031 for ; Tue, 2 Apr 2019 13:27:50 +0000 (UTC) Received: from localhost ([127.0.0.1]:58042 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hBJS9-0004Cv-V6 for patchwork-qemu-devel@patchwork.kernel.org; Tue, 02 Apr 2019 09:27:49 -0400 Received: from eggs.gnu.org ([209.51.188.92]:41542) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hBJRH-0002yz-Jz for qemu-devel@nongnu.org; Tue, 02 Apr 2019 09:26:56 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hBJRG-0003Yq-F9 for qemu-devel@nongnu.org; Tue, 02 Apr 2019 09:26:55 -0400 Received: from mx1.redhat.com ([209.132.183.28]:10123) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hBJRG-0003YA-6L for qemu-devel@nongnu.org; Tue, 02 Apr 2019 09:26:54 -0400 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 4B36088AA2; Tue, 2 Apr 2019 13:26:52 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-116-116.ams2.redhat.com [10.36.116.116]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 1740A1001DDB; Tue, 2 Apr 2019 13:26:52 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 928271138648; Tue, 2 Apr 2019 15:26:50 +0200 (CEST) From: Markus Armbruster To: qemu-devel@nongnu.org Date: Tue, 2 Apr 2019 15:26:49 +0200 Message-Id: <20190402132650.23095-1-armbru@redhat.com> In-Reply-To: <20190311060823.18360-1-richardw.yang@linux.intel.com> References: <20190311060823.18360-1-richardw.yang@linux.intel.com> X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Tue, 02 Apr 2019 13:26:52 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH 3/4] vl: Clean up after previous commit 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: pbonzini@redhat.com, richardw.yang@linux.intel.com, ehabkost@redhat.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Since the previous commit, find_machine() and find_default_machine() don't have to deallocate on return. This permits further simplifications. Signed-off-by: Markus Armbruster --- vl.c | 25 +++++++------------------ 1 file changed, 7 insertions(+), 18 deletions(-) diff --git a/vl.c b/vl.c index 126081f595..6a31e5bfac 100644 --- a/vl.c +++ b/vl.c @@ -1467,40 +1467,29 @@ MachineState *current_machine; static MachineClass *find_machine(const char *name, GSList *machines) { GSList *el; - MachineClass *mc = NULL; for (el = machines; el; el = el->next) { - MachineClass *temp = el->data; + MachineClass *mc = el->data; - if (!strcmp(temp->name, name)) { - mc = temp; - break; - } - if (temp->alias && - !strcmp(temp->alias, name)) { - mc = temp; - break; + if (!strcmp(mc->name, name) || !g_strcmp0(mc->alias, name)) { + return mc; } } - return mc; + return NULL; } static MachineClass *find_default_machine(GSList *machines) { GSList *el; - MachineClass *mc = NULL; for (el = machines; el; el = el->next) { - MachineClass *temp = el->data; - - if (temp->is_default) { - mc = temp; - break; + if (((MachineClass *)el->data)->is_default) { + return el->data; } } - return mc; + return NULL; } MachineInfoList *qmp_query_machines(Error **errp) From patchwork Tue Apr 2 13:26:50 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Markus Armbruster X-Patchwork-Id: 10881707 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 18E6813B5 for ; Tue, 2 Apr 2019 13:36:57 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 017B5286AA for ; Tue, 2 Apr 2019 13:36:57 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E971028724; Tue, 2 Apr 2019 13:36:56 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 9F2CA286AA for ; Tue, 2 Apr 2019 13:36:56 +0000 (UTC) Received: from localhost ([127.0.0.1]:60345 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hBJax-0004ON-OQ for patchwork-qemu-devel@patchwork.kernel.org; Tue, 02 Apr 2019 09:36:55 -0400 Received: from eggs.gnu.org ([209.51.188.92]:41543) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hBJRH-0002z0-K3 for qemu-devel@nongnu.org; Tue, 02 Apr 2019 09:26:56 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hBJRG-0003Yv-FT for qemu-devel@nongnu.org; Tue, 02 Apr 2019 09:26:55 -0400 Received: from mx1.redhat.com ([209.132.183.28]:53628) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hBJRG-0003YB-6x for qemu-devel@nongnu.org; Tue, 02 Apr 2019 09:26:54 -0400 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 4AB17C0467E4; Tue, 2 Apr 2019 13:26:52 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-116-116.ams2.redhat.com [10.36.116.116]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 1958060BE5; Tue, 2 Apr 2019 13:26:52 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 94C8A1132BB6; Tue, 2 Apr 2019 15:26:50 +0200 (CEST) From: Markus Armbruster To: qemu-devel@nongnu.org Date: Tue, 2 Apr 2019 15:26:50 +0200 Message-Id: <20190402132650.23095-2-armbru@redhat.com> In-Reply-To: <20190402132650.23095-1-armbru@redhat.com> References: <20190402132650.23095-1-armbru@redhat.com> In-Reply-To: <20190311060823.18360-1-richardw.yang@linux.intel.com> References: <20190311060823.18360-1-richardw.yang@linux.intel.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 [10.5.110.31]); Tue, 02 Apr 2019 13:26:52 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH 4/4] vl: Simplify machine_parse() 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: pbonzini@redhat.com, richardw.yang@linux.intel.com, ehabkost@redhat.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Exploit that argument @name is nerver null. Check is_help_option() first, because that's what we do elsewhere. Signed-off-by: Markus Armbruster --- vl.c | 24 +++++++++++------------- 1 file changed, 11 insertions(+), 13 deletions(-) diff --git a/vl.c b/vl.c index 6a31e5bfac..da1af3e10d 100644 --- a/vl.c +++ b/vl.c @@ -2573,19 +2573,10 @@ static gint machine_class_cmp(gconstpointer a, gconstpointer b) static MachineClass *machine_parse(const char *name, GSList *machines) { - MachineClass *mc = NULL; + MachineClass *mc; GSList *el; - if (name) { - mc = find_machine(name, machines); - } - if (mc) { - return mc; - } - if (name && !is_help_option(name)) { - error_report("unsupported machine type"); - error_printf("Use -machine help to list supported machines\n"); - } else { + if (is_help_option(name)) { printf("Supported machines are:\n"); machines = g_slist_sort(machines, machine_class_cmp); for (el = machines; el; el = el->next) { @@ -2597,9 +2588,16 @@ static MachineClass *machine_parse(const char *name, GSList *machines) mc->is_default ? " (default)" : "", mc->deprecation_reason ? " (deprecated)" : ""); } + exit(0); } - - exit(!name || !is_help_option(name)); + + mc = find_machine(name, machines); + if (!mc) { + error_report("unsupported machine type"); + error_printf("Use -machine help to list supported machines\n"); + exit(1); + } + return mc; } void qemu_add_exit_notifier(Notifier *notify)