From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 93899C4332F for ; Mon, 21 Nov 2022 08:52:52 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ox2WM-0003V7-8O; Mon, 21 Nov 2022 03:51:18 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ox2WF-0003Sa-Bw for qemu-devel@nongnu.org; Mon, 21 Nov 2022 03:51:11 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ox2W8-00018U-36 for qemu-devel@nongnu.org; Mon, 21 Nov 2022 03:51:10 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1669020663; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=DCaakuTL7O4pqVMJO91mcT//ImpjFr/NZlUtbevgnN8=; b=FPeb+d92POBTOHRfFocq717Xrq00bIUwtYrTxac7iDAxCXr/5zvKVaNERKWntzbqOeAKQp ZqFJtF6Z5UJJ00PsIpkpVugcI97rvPAUP2Rc7ti0oaExCRNSVqYYKGim4HZY7H9mEPrD5+ PDszgkcWREB8esiFw7SyDJDxxdx37qY= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-21-8ZLXFQPdOuGocfBvRWkJ2w-1; Mon, 21 Nov 2022 03:51:01 -0500 X-MC-Unique: 8ZLXFQPdOuGocfBvRWkJ2w-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 0D2E53C0DDB3; Mon, 21 Nov 2022 08:51:01 +0000 (UTC) Received: from blackfin.pond.sub.org (unknown [10.39.192.19]) by smtp.corp.redhat.com (Postfix) with ESMTPS id BFFC02166B26; Mon, 21 Nov 2022 08:51:00 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 5EA6B21E66F3; Mon, 21 Nov 2022 09:50:54 +0100 (CET) From: Markus Armbruster To: qemu-devel@nongnu.org Cc: eblake@redhat.com, vsementsov@yandex-team.ru, Hanna Reitz Subject: [PATCH 06/10] qemu-config: Make config_parse_qdict() return bool Date: Mon, 21 Nov 2022 09:50:50 +0100 Message-Id: <20221121085054.683122-7-armbru@redhat.com> In-Reply-To: <20221121085054.683122-1-armbru@redhat.com> References: <20221121085054.683122-1-armbru@redhat.com> MIME-Version: 1.0 Content-type: text/plain Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.1 on 10.11.54.6 Received-SPF: pass client-ip=170.10.129.124; envelope-from=armbru@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, T_SPF_TEMPERROR=0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org This simplifies error checking. Cc: Hanna Reitz Signed-off-by: Markus Armbruster --- include/qemu/config-file.h | 2 +- block/blkdebug.c | 4 +--- util/qemu-config.c | 39 ++++++++++++++++++-------------------- 3 files changed, 20 insertions(+), 25 deletions(-) diff --git a/include/qemu/config-file.h b/include/qemu/config-file.h index 321e7c7c03..b82a778123 100644 --- a/include/qemu/config-file.h +++ b/include/qemu/config-file.h @@ -22,7 +22,7 @@ int qemu_read_config_file(const char *filename, QEMUConfigCB *f, Error **errp); /* Parse QDict options as a replacement for a config file (allowing multiple enumerated (0..(n-1)) configuration "sections") */ -void qemu_config_parse_qdict(QDict *options, QemuOptsList **lists, +bool qemu_config_parse_qdict(QDict *options, QemuOptsList **lists, Error **errp); #endif /* QEMU_CONFIG_FILE_H */ diff --git a/block/blkdebug.c b/block/blkdebug.c index 4265ca125e..ca65b043f0 100644 --- a/block/blkdebug.c +++ b/block/blkdebug.c @@ -297,9 +297,7 @@ static int read_config(BDRVBlkdebugState *s, const char *filename, } } - qemu_config_parse_qdict(options, config_groups, &local_err); - if (local_err) { - error_propagate(errp, local_err); + if (!qemu_config_parse_qdict(options, config_groups, errp)) { ret = -EINVAL; goto fail; } diff --git a/util/qemu-config.c b/util/qemu-config.c index 433488aa56..e983607b46 100644 --- a/util/qemu-config.c +++ b/util/qemu-config.c @@ -423,12 +423,12 @@ int qemu_read_config_file(const char *filename, QEMUConfigCB *cb, Error **errp) return ret; } -static void config_parse_qdict_section(QDict *options, QemuOptsList *opts, +static bool config_parse_qdict_section(QDict *options, QemuOptsList *opts, Error **errp) { QemuOpts *subopts; - QDict *subqdict; - QList *list = NULL; + g_autoptr(QDict) subqdict = NULL; + g_autoptr(QList) list = NULL; size_t orig_size, enum_size; char *prefix; @@ -437,23 +437,23 @@ static void config_parse_qdict_section(QDict *options, QemuOptsList *opts, g_free(prefix); orig_size = qdict_size(subqdict); if (!orig_size) { - goto out; + return true; } subopts = qemu_opts_create(opts, NULL, 0, errp); if (!subopts) { - goto out; + return false; } if (!qemu_opts_absorb_qdict(subopts, subqdict, errp)) { - goto out; + return false; } enum_size = qdict_size(subqdict); if (enum_size < orig_size && enum_size) { error_setg(errp, "Unknown option '%s' for [%s]", qdict_first(subqdict)->key, opts->name); - goto out; + return false; } if (enum_size) { @@ -468,7 +468,7 @@ static void config_parse_qdict_section(QDict *options, QemuOptsList *opts, if (qdict_size(subqdict)) { error_setg(errp, "Unused option '%s' for [%s]", qdict_first(subqdict)->key, opts->name); - goto out; + return false; } QLIST_FOREACH_ENTRY(list, list_entry) { @@ -478,46 +478,43 @@ static void config_parse_qdict_section(QDict *options, QemuOptsList *opts, if (!section) { error_setg(errp, "[%s] section (index %u) does not consist of " "keys", opts->name, i); - goto out; + return false; } opt_name = g_strdup_printf("%s.%u", opts->name, i++); subopts = qemu_opts_create(opts, opt_name, 1, errp); g_free(opt_name); if (!subopts) { - goto out; + return false; } if (!qemu_opts_absorb_qdict(subopts, section, errp)) { qemu_opts_del(subopts); - goto out; + return false; } if (qdict_size(section)) { error_setg(errp, "[%s] section doesn't support the option '%s'", opts->name, qdict_first(section)->key); qemu_opts_del(subopts); - goto out; + return false; } } } -out: - qobject_unref(subqdict); - qobject_unref(list); + return true; } -void qemu_config_parse_qdict(QDict *options, QemuOptsList **lists, +bool qemu_config_parse_qdict(QDict *options, QemuOptsList **lists, Error **errp) { int i; - Error *local_err = NULL; for (i = 0; lists[i]; i++) { - config_parse_qdict_section(options, lists[i], &local_err); - if (local_err) { - error_propagate(errp, local_err); - return; + if (!config_parse_qdict_section(options, lists[i], errp)) { + return false; } } + + return true; } -- 2.37.3