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Thu, 2 Jul 2020 17:50:00 +0200 (CEST) From: Markus Armbruster To: qemu-devel@nongnu.org Subject: [PATCH v2 06/44] qemu-option: Check return value instead of @err where convenient Date: Thu, 2 Jul 2020 17:49:22 +0200 Message-Id: <20200702155000.3455325-7-armbru@redhat.com> In-Reply-To: <20200702155000.3455325-1-armbru@redhat.com> References: <20200702155000.3455325-1-armbru@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=armbru@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=205.139.110.120; envelope-from=armbru@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/02 04:00:43 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, vsementsov@virtuozzo.com, berrange@redhat.com, ehabkost@redhat.com, qemu-block@nongnu.org, pbonzini@redhat.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" Convert uses like opts = qemu_opts_create(..., &err); if (err) { ... } to opts = qemu_opts_create(..., &err); if (!opts) { ... } Eliminate error_propagate() that are now unnecessary. Delete @err that are now unused. Signed-off-by: Markus Armbruster Reviewed-by: Eric Blake Reviewed-by: Vladimir Sementsov-Ogievskiy --- block/parallels.c | 4 ++-- blockdev.c | 5 ++--- qdev-monitor.c | 5 ++--- util/qemu-config.c | 10 ++++------ util/qemu-option.c | 12 ++++-------- 5 files changed, 14 insertions(+), 22 deletions(-) diff --git a/block/parallels.c b/block/parallels.c index 63a1cde8af..f26f03c926 100644 --- a/block/parallels.c +++ b/block/parallels.c @@ -824,8 +824,8 @@ static int parallels_open(BlockDriverState *bs, QDict *options, int flags, } } - opts = qemu_opts_create(¶llels_runtime_opts, NULL, 0, &local_err); - if (local_err != NULL) { + opts = qemu_opts_create(¶llels_runtime_opts, NULL, 0, errp); + if (!opts) { goto fail_options; } diff --git a/blockdev.c b/blockdev.c index 31d5eaf6bf..b52ed9de86 100644 --- a/blockdev.c +++ b/blockdev.c @@ -504,9 +504,8 @@ static BlockBackend *blockdev_init(const char *file, QDict *bs_opts, /* Check common options by copying from bs_opts to opts, all other options * stay in bs_opts for processing by bdrv_open(). */ id = qdict_get_try_str(bs_opts, "id"); - opts = qemu_opts_create(&qemu_common_drive_opts, id, 1, &error); - if (error) { - error_propagate(errp, error); + opts = qemu_opts_create(&qemu_common_drive_opts, id, 1, errp); + if (!opts) { goto err_no_opts; } diff --git a/qdev-monitor.c b/qdev-monitor.c index 13a13a811a..079cb6001e 100644 --- a/qdev-monitor.c +++ b/qdev-monitor.c @@ -799,9 +799,8 @@ void qmp_device_add(QDict *qdict, QObject **ret_data, Error **errp) QemuOpts *opts; DeviceState *dev; - opts = qemu_opts_from_qdict(qemu_find_opts("device"), qdict, &local_err); - if (local_err) { - error_propagate(errp, local_err); + opts = qemu_opts_from_qdict(qemu_find_opts("device"), qdict, errp); + if (!opts) { return; } if (!monitor_cur_is_qmp() && qdev_device_help(opts)) { diff --git a/util/qemu-config.c b/util/qemu-config.c index 772f5a219e..c0d0e9b8ef 100644 --- a/util/qemu-config.c +++ b/util/qemu-config.c @@ -493,9 +493,8 @@ static void config_parse_qdict_section(QDict *options, QemuOptsList *opts, goto out; } - subopts = qemu_opts_create(opts, NULL, 0, &local_err); - if (local_err) { - error_propagate(errp, local_err); + subopts = qemu_opts_create(opts, NULL, 0, errp); + if (!subopts) { goto out; } @@ -538,10 +537,9 @@ static void config_parse_qdict_section(QDict *options, QemuOptsList *opts, } opt_name = g_strdup_printf("%s.%u", opts->name, i++); - subopts = qemu_opts_create(opts, opt_name, 1, &local_err); + subopts = qemu_opts_create(opts, opt_name, 1, errp); g_free(opt_name); - if (local_err) { - error_propagate(errp, local_err); + if (!subopts) { goto out; } diff --git a/util/qemu-option.c b/util/qemu-option.c index 0ebfd97a98..fd1fd23521 100644 --- a/util/qemu-option.c +++ b/util/qemu-option.c @@ -670,11 +670,9 @@ void qemu_opts_set(QemuOptsList *list, const char *id, const char *name, const char *value, Error **errp) { QemuOpts *opts; - Error *local_err = NULL; - opts = qemu_opts_create(list, id, 1, &local_err); - if (local_err) { - error_propagate(errp, local_err); + opts = qemu_opts_create(list, id, 1, errp); + if (!opts) { return; } qemu_opt_set(opts, name, value, errp); @@ -1012,10 +1010,8 @@ QemuOpts *qemu_opts_from_qdict(QemuOptsList *list, const QDict *qdict, QemuOpts *opts; const QDictEntry *entry; - opts = qemu_opts_create(list, qdict_get_try_str(qdict, "id"), 1, - &local_err); - if (local_err) { - error_propagate(errp, local_err); + opts = qemu_opts_create(list, qdict_get_try_str(qdict, "id"), 1, errp); + if (!opts) { return NULL; }