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Thu, 2 Jul 2020 17:50:01 +0200 (CEST) From: Markus Armbruster To: qemu-devel@nongnu.org Subject: [PATCH v2 37/44] error: Reduce unnecessary error propagation Date: Thu, 2 Jul 2020 17:49:53 +0200 Message-Id: <20200702155000.3455325-38-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 2.84 on 10.5.11.22 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" When all we do with an Error we receive into a local variable is propagating to somewhere else, we can just as well receive it there right away, even when we need to keep error_propagate() for other error paths. Signed-off-by: Markus Armbruster Reviewed-by: Eric Blake --- block.c | 2 +- block/gluster.c | 8 ++++---- block/parallels.c | 2 +- block/quorum.c | 2 +- block/replication.c | 3 +-- block/vxhs.c | 4 ++-- hw/core/qdev.c | 2 +- hw/net/virtio-net.c | 4 ++-- 8 files changed, 13 insertions(+), 14 deletions(-) diff --git a/block.c b/block.c index 60d2945c2c..2dcf9afd61 100644 --- a/block.c +++ b/block.c @@ -6073,7 +6073,7 @@ void bdrv_img_create(const char *filename, const char *fmt, /* Parse -o options */ if (options) { - if (!qemu_opts_do_parse(opts, options, NULL, &local_err)) { + if (!qemu_opts_do_parse(opts, options, NULL, errp)) { goto out; } } diff --git a/block/gluster.c b/block/gluster.c index c620880f27..4f1448e2bc 100644 --- a/block/gluster.c +++ b/block/gluster.c @@ -523,7 +523,7 @@ static int qemu_gluster_parse_json(BlockdevOptionsGluster *gconf, /* create opts info from runtime_json_opts list */ opts = qemu_opts_create(&runtime_json_opts, NULL, 0, &error_abort); - if (!qemu_opts_absorb_qdict(opts, options, &local_err)) { + if (!qemu_opts_absorb_qdict(opts, options, errp)) { goto out; } @@ -554,7 +554,7 @@ static int qemu_gluster_parse_json(BlockdevOptionsGluster *gconf, /* create opts info from runtime_type_opts list */ opts = qemu_opts_create(&runtime_type_opts, NULL, 0, &error_abort); - if (!qemu_opts_absorb_qdict(opts, backing_options, &local_err)) { + if (!qemu_opts_absorb_qdict(opts, backing_options, errp)) { goto out; } @@ -584,7 +584,7 @@ static int qemu_gluster_parse_json(BlockdevOptionsGluster *gconf, if (gsconf->type == SOCKET_ADDRESS_TYPE_INET) { /* create opts info from runtime_inet_opts list */ opts = qemu_opts_create(&runtime_inet_opts, NULL, 0, &error_abort); - if (!qemu_opts_absorb_qdict(opts, backing_options, &local_err)) { + if (!qemu_opts_absorb_qdict(opts, backing_options, errp)) { goto out; } @@ -632,7 +632,7 @@ static int qemu_gluster_parse_json(BlockdevOptionsGluster *gconf, } else { /* create opts info from runtime_unix_opts list */ opts = qemu_opts_create(&runtime_unix_opts, NULL, 0, &error_abort); - if (!qemu_opts_absorb_qdict(opts, backing_options, &local_err)) { + if (!qemu_opts_absorb_qdict(opts, backing_options, errp)) { goto out; } diff --git a/block/parallels.c b/block/parallels.c index 324085ccea..c259799111 100644 --- a/block/parallels.c +++ b/block/parallels.c @@ -827,7 +827,7 @@ static int parallels_open(BlockDriverState *bs, QDict *options, int flags, goto fail_options; } - if (!qemu_opts_absorb_qdict(opts, options, &local_err)) { + if (!qemu_opts_absorb_qdict(opts, options, errp)) { goto fail_options; } diff --git a/block/quorum.c b/block/quorum.c index 5d52e605db..6df9449fc2 100644 --- a/block/quorum.c +++ b/block/quorum.c @@ -921,7 +921,7 @@ static int quorum_open(BlockDriverState *bs, QDict *options, int flags, } opts = qemu_opts_create(&quorum_runtime_opts, NULL, 0, &error_abort); - if (!qemu_opts_absorb_qdict(opts, options, &local_err)) { + if (!qemu_opts_absorb_qdict(opts, options, errp)) { ret = -EINVAL; goto exit; } diff --git a/block/replication.c b/block/replication.c index dcd430624e..0c70215784 100644 --- a/block/replication.c +++ b/block/replication.c @@ -85,7 +85,6 @@ static int replication_open(BlockDriverState *bs, QDict *options, { int ret; BDRVReplicationState *s = bs->opaque; - Error *local_err = NULL; QemuOpts *opts = NULL; const char *mode; const char *top_id; @@ -99,7 +98,7 @@ static int replication_open(BlockDriverState *bs, QDict *options, ret = -EINVAL; opts = qemu_opts_create(&replication_runtime_opts, NULL, 0, &error_abort); - if (!qemu_opts_absorb_qdict(opts, options, &local_err)) { + if (!qemu_opts_absorb_qdict(opts, options, errp)) { goto fail; } diff --git a/block/vxhs.c b/block/vxhs.c index fecaeb82c9..dc0e254730 100644 --- a/block/vxhs.c +++ b/block/vxhs.c @@ -318,7 +318,7 @@ static int vxhs_open(BlockDriverState *bs, QDict *options, opts = qemu_opts_create(&runtime_opts, NULL, 0, &error_abort); tcp_opts = qemu_opts_create(&runtime_tcp_opts, NULL, 0, &error_abort); - if (!qemu_opts_absorb_qdict(opts, options, &local_err)) { + if (!qemu_opts_absorb_qdict(opts, options, errp)) { ret = -EINVAL; goto out; } @@ -345,7 +345,7 @@ static int vxhs_open(BlockDriverState *bs, QDict *options, /* get the 'server.' arguments */ qdict_extract_subqdict(options, &backing_options, VXHS_OPT_SERVER"."); - if (!qemu_opts_absorb_qdict(tcp_opts, backing_options, &local_err)) { + if (!qemu_opts_absorb_qdict(tcp_opts, backing_options, errp)) { ret = -EINVAL; goto out; } diff --git a/hw/core/qdev.c b/hw/core/qdev.c index 17bd8fc2ec..62b45af8e9 100644 --- a/hw/core/qdev.c +++ b/hw/core/qdev.c @@ -869,7 +869,7 @@ static void device_set_realized(Object *obj, bool value, Error **errp) } if (value && !dev->realized) { - if (!check_only_migratable(obj, &local_err)) { + if (!check_only_migratable(obj, errp)) { goto fail; } diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c index 04b012e487..7502ff0b1e 100644 --- a/hw/net/virtio-net.c +++ b/hw/net/virtio-net.c @@ -3119,8 +3119,8 @@ static bool failover_replug_primary(VirtIONet *n, Error **errp) qdev_set_parent_bus(n->primary_dev, n->primary_bus); n->primary_should_be_hidden = false; if (!qemu_opt_set_bool(n->primary_device_opts, - "partially_hotplugged", true, &err)) { - goto out; + "partially_hotplugged", true, errp)) { + return false; } hotplug_ctrl = qdev_get_hotplug_handler(n->primary_dev); if (hotplug_ctrl) {