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Tue, 7 Jul 2020 21:25:20 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-112-143.ams2.redhat.com [10.36.112.143]) by smtp.corp.redhat.com (Postfix) with ESMTPS id B664D78468; Tue, 7 Jul 2020 21:25:18 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 3CCE01144255; Tue, 7 Jul 2020 23:25:04 +0200 (CEST) From: Markus Armbruster To: qemu-devel@nongnu.org Subject: [PULL 19/53] qapi: Use returned bool to check for failure, manual part Date: Tue, 7 Jul 2020 23:24:29 +0200 Message-Id: <20200707212503.1495927-20-armbru@redhat.com> In-Reply-To: <20200707212503.1495927-1-armbru@redhat.com> References: <20200707212503.1495927-1-armbru@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 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=207.211.31.120; envelope-from=armbru@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/07 17:25:10 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -40 X-Spam_score: -4.1 X-Spam_bar: ---- X-Spam_report: (-4.1 / 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_H2=-1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no 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: Vladimir Sementsov-Ogievskiy Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" The previous commit used Coccinelle to convert from checking the Error object to checking the return value. Convert a few more manually. Also tweak control flow in places to conform to the conventional "if error bail out" pattern. Signed-off-by: Markus Armbruster Reviewed-by: Eric Blake Reviewed-by: Vladimir Sementsov-Ogievskiy Message-Id: <20200707160613.848843-20-armbru@redhat.com> --- accel/kvm/kvm-all.c | 50 ++++++++++++++++++--------------------- block/throttle-groups.c | 5 ++-- bootdevice.c | 4 ++-- hw/core/qdev-properties.c | 12 +++++----- hw/ide/qdev.c | 4 ++-- hw/mem/nvdimm.c | 9 +++---- hw/net/ne2000-isa.c | 4 ++-- hw/usb/dev-storage.c | 4 ++-- net/net.c | 8 ++----- 9 files changed, 44 insertions(+), 56 deletions(-) diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c index 375e29fb69..ab1a6ff0ee 100644 --- a/accel/kvm/kvm-all.c +++ b/accel/kvm/kvm-all.c @@ -3128,37 +3128,33 @@ static void kvm_set_kernel_irqchip(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - Error *err = NULL; KVMState *s = KVM_STATE(obj); OnOffSplit mode; - visit_type_OnOffSplit(v, name, &mode, &err); - if (err) { - error_propagate(errp, err); + if (!visit_type_OnOffSplit(v, name, &mode, errp)) { return; - } else { - switch (mode) { - case ON_OFF_SPLIT_ON: - s->kernel_irqchip_allowed = true; - s->kernel_irqchip_required = true; - s->kernel_irqchip_split = ON_OFF_AUTO_OFF; - break; - case ON_OFF_SPLIT_OFF: - s->kernel_irqchip_allowed = false; - s->kernel_irqchip_required = false; - s->kernel_irqchip_split = ON_OFF_AUTO_OFF; - break; - case ON_OFF_SPLIT_SPLIT: - s->kernel_irqchip_allowed = true; - s->kernel_irqchip_required = true; - s->kernel_irqchip_split = ON_OFF_AUTO_ON; - break; - default: - /* The value was checked in visit_type_OnOffSplit() above. If - * we get here, then something is wrong in QEMU. - */ - abort(); - } + } + switch (mode) { + case ON_OFF_SPLIT_ON: + s->kernel_irqchip_allowed = true; + s->kernel_irqchip_required = true; + s->kernel_irqchip_split = ON_OFF_AUTO_OFF; + break; + case ON_OFF_SPLIT_OFF: + s->kernel_irqchip_allowed = false; + s->kernel_irqchip_required = false; + s->kernel_irqchip_split = ON_OFF_AUTO_OFF; + break; + case ON_OFF_SPLIT_SPLIT: + s->kernel_irqchip_allowed = true; + s->kernel_irqchip_required = true; + s->kernel_irqchip_split = ON_OFF_AUTO_ON; + break; + default: + /* The value was checked in visit_type_OnOffSplit() above. If + * we get here, then something is wrong in QEMU. + */ + abort(); } } diff --git a/block/throttle-groups.c b/block/throttle-groups.c index bb242fde1a..e411051160 100644 --- a/block/throttle-groups.c +++ b/block/throttle-groups.c @@ -895,8 +895,8 @@ static void throttle_group_set_limits(Object *obj, Visitor *v, ThrottleLimits *argp; Error *local_err = NULL; - if (!visit_type_ThrottleLimits(v, name, &argp, &local_err)) { - goto ret; + if (!visit_type_ThrottleLimits(v, name, &argp, errp)) { + return; } qemu_mutex_lock(&tg->lock); throttle_get_config(&tg->ts, &cfg); @@ -908,7 +908,6 @@ static void throttle_group_set_limits(Object *obj, Visitor *v, unlock: qemu_mutex_unlock(&tg->lock); -ret: qapi_free_ThrottleLimits(argp); error_propagate(errp, local_err); return; diff --git a/bootdevice.c b/bootdevice.c index fb09d3c668..769f40c77d 100644 --- a/bootdevice.c +++ b/bootdevice.c @@ -297,8 +297,8 @@ static void device_set_bootindex(Object *obj, Visitor *v, const char *name, int32_t boot_index; Error *local_err = NULL; - if (!visit_type_int32(v, name, &boot_index, &local_err)) { - goto out; + if (!visit_type_int32(v, name, &boot_index, errp)) { + return; } /* check whether bootindex is present in fw_boot_order list */ check_boot_index(boot_index, &local_err); diff --git a/hw/core/qdev-properties.c b/hw/core/qdev-properties.c index 3cb6faa12b..4c7a8a05a5 100644 --- a/hw/core/qdev-properties.c +++ b/hw/core/qdev-properties.c @@ -761,15 +761,15 @@ static void set_pci_devfn(Object *obj, Visitor *v, const char *name, if (!visit_type_str(v, name, &str, &local_err)) { error_free(local_err); local_err = NULL; - visit_type_int32(v, name, &value, &local_err); - if (local_err) { - error_propagate(errp, local_err); - } else if (value < -1 || value > 255) { + if (!visit_type_int32(v, name, &value, errp)) { + return; + } + if (value < -1 || value > 255) { error_setg(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null", "pci_devfn"); - } else { - *ptr = value; + return; } + *ptr = value; return; } diff --git a/hw/ide/qdev.c b/hw/ide/qdev.c index 358f10a92e..ba8b0d7f02 100644 --- a/hw/ide/qdev.c +++ b/hw/ide/qdev.c @@ -245,8 +245,8 @@ static void ide_dev_set_bootindex(Object *obj, Visitor *v, const char *name, int32_t boot_index; Error *local_err = NULL; - if (!visit_type_int32(v, name, &boot_index, &local_err)) { - goto out; + if (!visit_type_int32(v, name, &boot_index, errp)) { + return; } /* check whether bootindex is present in fw_boot_order list */ check_boot_index(boot_index, &local_err); diff --git a/hw/mem/nvdimm.c b/hw/mem/nvdimm.c index ec92ffd415..1fa976c56c 100644 --- a/hw/mem/nvdimm.c +++ b/hw/mem/nvdimm.c @@ -85,21 +85,18 @@ static void nvdimm_set_uuid(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { NVDIMMDevice *nvdimm = NVDIMM(obj); - Error *local_err = NULL; char *value; - if (!visit_type_str(v, name, &value, &local_err)) { - goto out; + if (!visit_type_str(v, name, &value, errp)) { + return; } if (qemu_uuid_parse(value, &nvdimm->uuid) != 0) { error_setg(errp, "Property '%s.%s' has invalid value", object_get_typename(obj), name); } - g_free(value); -out: - error_propagate(errp, local_err); + g_free(value); } diff --git a/hw/net/ne2000-isa.c b/hw/net/ne2000-isa.c index 765bcd1f0b..0594abd93a 100644 --- a/hw/net/ne2000-isa.c +++ b/hw/net/ne2000-isa.c @@ -113,8 +113,8 @@ static void isa_ne2000_set_bootindex(Object *obj, Visitor *v, int32_t boot_index; Error *local_err = NULL; - if (!visit_type_int32(v, name, &boot_index, &local_err)) { - goto out; + if (!visit_type_int32(v, name, &boot_index, errp)) { + return; } /* check whether bootindex is present in fw_boot_order list */ check_boot_index(boot_index, &local_err); diff --git a/hw/usb/dev-storage.c b/hw/usb/dev-storage.c index 1c3bd2578c..721665191e 100644 --- a/hw/usb/dev-storage.c +++ b/hw/usb/dev-storage.c @@ -736,8 +736,8 @@ static void usb_msd_set_bootindex(Object *obj, Visitor *v, const char *name, int32_t boot_index; Error *local_err = NULL; - if (!visit_type_int32(v, name, &boot_index, &local_err)) { - goto out; + if (!visit_type_int32(v, name, &boot_index, errp)) { + return; } /* check whether bootindex is present in fw_boot_order list */ check_boot_index(boot_index, &local_err); diff --git a/net/net.c b/net/net.c index 94dc546fb2..6fe74c80bb 100644 --- a/net/net.c +++ b/net/net.c @@ -1062,7 +1062,6 @@ static int net_client_init(QemuOpts *opts, bool is_netdev, Error **errp) { gchar **substrings = NULL; Netdev *object = NULL; - Error *err = NULL; int ret = -1; Visitor *v = opts_visitor_new(opts); @@ -1110,16 +1109,13 @@ static int net_client_init(QemuOpts *opts, bool is_netdev, Error **errp) qemu_opts_set_id(opts, g_strdup_printf("__org.qemu.net%i", idx++)); } - visit_type_Netdev(v, NULL, &object, &err); - - if (!err) { - ret = net_client_init1(object, is_netdev, &err); + if (visit_type_Netdev(v, NULL, &object, errp)) { + ret = net_client_init1(object, is_netdev, errp); } qapi_free_Netdev(object); out: - error_propagate(errp, err); g_strfreev(substrings); visit_free(v); return ret;