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Wed, 24 Jun 2020 18:43:44 +0200 (CEST) From: Markus Armbruster To: qemu-devel@nongnu.org Subject: [PATCH 08/46] error: Avoid unnecessary error_propagate() after error_setg() Date: Wed, 24 Jun 2020 18:43:06 +0200 Message-Id: <20200624164344.3778251-9-armbru@redhat.com> In-Reply-To: <20200624164344.3778251-1-armbru@redhat.com> References: <20200624164344.3778251-1-armbru@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 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 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=205.139.110.61; envelope-from=armbru@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/24 00:34:35 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Replace error_setg(&err, ...); error_propagate(errp, err); by error_setg(errp, ...); Related pattern: if (...) { error_setg(&err, ...); goto out; } ... out: error_propagate(errp, err); return; When all paths to label out are that way, replace by if (...) { error_setg(errp, ...); return; } and delete the label along with the error_propagate(). When we have at most one other path that actually needs to propagate, and maybe one at the end that where propagation is unnecessary, e.g. foo(..., &err); if (err) { goto out; } ... bar(..., &err); out: error_propagate(errp, err); return; move the error_propagate() to where it's needed, like if (...) { foo(..., &err); error_propagate(errp, err); return; } ... bar(..., errp); return; and transform the error_setg() as above. Bonus: the elimination of gotos will make later patches in this series easier to review. Candidates for conversion tracked down with this Coccinelle script: @@ identifier err, errp; expression list args; @@ - error_setg(&err, args); + error_setg(errp, args); ... when != err error_propagate(errp, err); Signed-off-by: Markus Armbruster --- backends/cryptodev.c | 11 +++--- backends/hostmem-file.c | 19 +++------- backends/hostmem-memfd.c | 15 ++++---- backends/hostmem.c | 27 ++++++-------- block/throttle-groups.c | 22 +++++------ hw/hyperv/vmbus.c | 5 +-- hw/i386/pc.c | 35 ++++++------------ hw/mem/nvdimm.c | 17 ++++----- hw/mem/pc-dimm.c | 14 +++---- hw/misc/aspeed_sdmc.c | 3 +- hw/ppc/rs6000_mc.c | 9 ++--- hw/ppc/spapr.c | 73 ++++++++++++++++--------------------- hw/ppc/spapr_pci.c | 14 +++---- hw/s390x/ipl.c | 23 +++++------- hw/s390x/sclp.c | 12 ++---- hw/xen/xen_pt_config_init.c | 3 +- iothread.c | 12 +++--- net/colo-compare.c | 20 ++++------ net/dump.c | 10 ++--- net/filter-buffer.c | 10 ++--- qga/commands-win32.c | 16 +++----- 21 files changed, 151 insertions(+), 219 deletions(-) diff --git a/backends/cryptodev.c b/backends/cryptodev.c index a3841c4e41..8645f297e3 100644 --- a/backends/cryptodev.c +++ b/backends/cryptodev.c @@ -159,16 +159,15 @@ cryptodev_backend_set_queues(Object *obj, Visitor *v, const char *name, visit_type_uint32(v, name, &value, &local_err); if (local_err) { - goto out; + error_propagate(errp, local_err); + return; } if (!value) { - error_setg(&local_err, "Property '%s.%s' doesn't take value '%" - PRIu32 "'", object_get_typename(obj), name, value); - goto out; + error_setg(errp, "Property '%s.%s' doesn't take value '%" PRIu32 "'", + object_get_typename(obj), name, value); + return; } backend->conf.peers.queues = value; -out: - error_propagate(errp, local_err); } static void diff --git a/backends/hostmem-file.c b/backends/hostmem-file.c index cdabb412e6..098c8e6e64 100644 --- a/backends/hostmem-file.c +++ b/backends/hostmem-file.c @@ -114,19 +114,17 @@ static void file_memory_backend_set_align(Object *o, Visitor *v, uint64_t val; if (host_memory_backend_mr_inited(backend)) { - error_setg(&local_err, "cannot change property '%s' of %s", - name, object_get_typename(o)); - goto out; + error_setg(errp, "cannot change property '%s' of %s", name, + object_get_typename(o)); + return; } visit_type_size(v, name, &val, &local_err); if (local_err) { - goto out; + error_propagate(errp, local_err); + return; } fb->align = val; - - out: - error_propagate(errp, local_err); } static bool file_memory_backend_get_pmem(Object *o, Error **errp) @@ -140,7 +138,6 @@ static void file_memory_backend_set_pmem(Object *o, bool value, Error **errp) HostMemoryBackendFile *fb = MEMORY_BACKEND_FILE(o); if (host_memory_backend_mr_inited(backend)) { - error_setg(errp, "cannot change property 'pmem' of %s.", object_get_typename(o)); return; @@ -148,13 +145,9 @@ static void file_memory_backend_set_pmem(Object *o, bool value, Error **errp) #ifndef CONFIG_LIBPMEM if (value) { - Error *local_err = NULL; - - error_setg(&local_err, - "Lack of libpmem support while setting the 'pmem=on'" + error_setg(errp, "Lack of libpmem support while setting the 'pmem=on'" " of %s. We can't ensure data persistence.", object_get_typename(o)); - error_propagate(errp, local_err); return; } #endif diff --git a/backends/hostmem-memfd.c b/backends/hostmem-memfd.c index 1b5e4bfe0d..9582c7f8fc 100644 --- a/backends/hostmem-memfd.c +++ b/backends/hostmem-memfd.c @@ -81,22 +81,21 @@ memfd_backend_set_hugetlbsize(Object *obj, Visitor *v, const char *name, uint64_t value; if (host_memory_backend_mr_inited(MEMORY_BACKEND(obj))) { - error_setg(&local_err, "cannot change property value"); - goto out; + error_setg(errp, "cannot change property value"); + return; } visit_type_size(v, name, &value, &local_err); if (local_err) { - goto out; + error_propagate(errp, local_err); + return; } if (!value) { - error_setg(&local_err, "Property '%s.%s' doesn't take value '%" - PRIu64 "'", object_get_typename(obj), name, value); - goto out; + error_setg(errp, "Property '%s.%s' doesn't take value '%" PRIu64 "'", + object_get_typename(obj), name, value); + return; } m->hugetlbsize = value; -out: - error_propagate(errp, local_err); } static void diff --git a/backends/hostmem.c b/backends/hostmem.c index 61e3255f5c..2a0c92d458 100644 --- a/backends/hostmem.c +++ b/backends/hostmem.c @@ -58,24 +58,23 @@ host_memory_backend_set_size(Object *obj, Visitor *v, const char *name, uint64_t value; if (host_memory_backend_mr_inited(backend)) { - error_setg(&local_err, "cannot change property %s of %s ", - name, object_get_typename(obj)); - goto out; + error_setg(errp, "cannot change property %s of %s ", name, + object_get_typename(obj)); + return; } visit_type_size(v, name, &value, &local_err); if (local_err) { - goto out; + error_propagate(errp, local_err); + return; } if (!value) { - error_setg(&local_err, + error_setg(errp, "property '%s' of %s doesn't take value '%" PRIu64 "'", name, object_get_typename(obj), value); - goto out; + return; } backend->size = value; -out: - error_propagate(errp, local_err); } static void @@ -259,17 +258,15 @@ static void host_memory_backend_set_prealloc_threads(Object *obj, Visitor *v, visit_type_uint32(v, name, &value, &local_err); if (local_err) { - goto out; + error_propagate(errp, local_err); + return; } if (value <= 0) { - error_setg(&local_err, - "property '%s' of %s doesn't take value '%d'", - name, object_get_typename(obj), value); - goto out; + error_setg(errp, "property '%s' of %s doesn't take value '%d'", name, + object_get_typename(obj), value); + return; } backend->prealloc_threads = value; -out: - error_propagate(errp, local_err); } static void host_memory_backend_init(Object *obj) diff --git a/block/throttle-groups.c b/block/throttle-groups.c index 784fa4a16c..60a2aad75a 100644 --- a/block/throttle-groups.c +++ b/block/throttle-groups.c @@ -819,17 +819,18 @@ static void throttle_group_set(Object *obj, Visitor *v, const char * name, * transaction, as certain combinations are invalid. */ if (tg->is_initialized) { - error_setg(&local_err, "Property cannot be set after initialization"); - goto ret; + error_setg(errp, "Property cannot be set after initialization"); + return; } visit_type_int64(v, name, &value, &local_err); if (local_err) { - goto ret; + error_propagate(errp, local_err); + return; } if (value < 0) { - error_setg(&local_err, "Property values cannot be negative"); - goto ret; + error_setg(errp, "Property values cannot be negative"); + return; } cfg = &tg->ts.cfg; @@ -842,9 +843,9 @@ static void throttle_group_set(Object *obj, Visitor *v, const char * name, break; case BURST_LENGTH: if (value > UINT_MAX) { - error_setg(&local_err, "%s value must be in the" - "range [0, %u]", info->name, UINT_MAX); - goto ret; + error_setg(errp, "%s value must be in the" "range [0, %u]", + info->name, UINT_MAX); + return; } cfg->buckets[info->type].burst_length = value; break; @@ -852,11 +853,6 @@ static void throttle_group_set(Object *obj, Visitor *v, const char * name, cfg->op_size = value; break; } - -ret: - error_propagate(errp, local_err); - return; - } static void throttle_group_get(Object *obj, Visitor *v, const char *name, diff --git a/hw/hyperv/vmbus.c b/hw/hyperv/vmbus.c index f371240176..569dcf8fb3 100644 --- a/hw/hyperv/vmbus.c +++ b/hw/hyperv/vmbus.c @@ -1459,8 +1459,8 @@ static void create_channels(VMBus *vmbus, VMBusDevice *dev, Error **errp) dev->num_channels = vdc->num_channels ? vdc->num_channels(dev) : 1; if (dev->num_channels < 1) { - error_setg(&err, "invalid #channels: %u", dev->num_channels); - goto error_out; + error_setg(errp, "invalid #channels: %u", dev->num_channels); + return; } dev->channels = g_new0(VMBusChannel, dev->num_channels); @@ -1477,7 +1477,6 @@ err_init: while (i--) { deinit_channel(&dev->channels[i]); } -error_out: error_propagate(errp, err); } diff --git a/hw/i386/pc.c b/hw/i386/pc.c index f670bcd6e6..70d832536b 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -1352,7 +1352,6 @@ out: static void pc_memory_unplug_request(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp) { - Error *local_err = NULL; PCMachineState *pcms = PC_MACHINE(hotplug_dev); /* @@ -1361,21 +1360,18 @@ static void pc_memory_unplug_request(HotplugHandler *hotplug_dev, * addition to cover this case. */ if (!pcms->acpi_dev || !x86_machine_is_acpi_enabled(X86_MACHINE(pcms))) { - error_setg(&local_err, + error_setg(errp, "memory hotplug is not enabled: missing acpi device or acpi disabled"); - goto out; + return; } if (object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM)) { - error_setg(&local_err, - "nvdimm device hot unplug is not supported yet."); - goto out; + error_setg(errp, "nvdimm device hot unplug is not supported yet."); + return; } hotplug_handler_unplug_request(HOTPLUG_HANDLER(pcms->acpi_dev), dev, - &local_err); -out: - error_propagate(errp, local_err); + errp); } static void pc_memory_unplug(HotplugHandler *hotplug_dev, @@ -1455,31 +1451,23 @@ static void pc_cpu_unplug_request_cb(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp) { int idx = -1; - Error *local_err = NULL; X86CPU *cpu = X86_CPU(dev); PCMachineState *pcms = PC_MACHINE(hotplug_dev); if (!pcms->acpi_dev) { - error_setg(&local_err, "CPU hot unplug not supported without ACPI"); - goto out; + error_setg(errp, "CPU hot unplug not supported without ACPI"); + return; } pc_find_cpu_slot(MACHINE(pcms), cpu->apic_id, &idx); assert(idx != -1); if (idx == 0) { - error_setg(&local_err, "Boot CPU is unpluggable"); - goto out; + error_setg(errp, "Boot CPU is unpluggable"); + return; } hotplug_handler_unplug_request(HOTPLUG_HANDLER(pcms->acpi_dev), dev, - &local_err); - if (local_err) { - goto out; - } - - out: - error_propagate(errp, local_err); - + errp); } static void pc_cpu_unplug_cb(HotplugHandler *hotplug_dev, @@ -1885,10 +1873,9 @@ static void pc_machine_set_max_ram_below_4g(Object *obj, Visitor *v, return; } if (value > 4 * GiB) { - error_setg(&error, + error_setg(errp, "Machine option 'max-ram-below-4g=%"PRIu64 "' expects size less than or equal to 4G", value); - error_propagate(errp, error); return; } diff --git a/hw/mem/nvdimm.c b/hw/mem/nvdimm.c index 76f66e0b19..93f7af1c58 100644 --- a/hw/mem/nvdimm.c +++ b/hw/mem/nvdimm.c @@ -49,24 +49,23 @@ static void nvdimm_set_label_size(Object *obj, Visitor *v, const char *name, uint64_t value; if (nvdimm->nvdimm_mr) { - error_setg(&local_err, "cannot change property value"); - goto out; + error_setg(errp, "cannot change property value"); + return; } visit_type_size(v, name, &value, &local_err); if (local_err) { - goto out; + error_propagate(errp, local_err); + return; } if (value < MIN_NAMESPACE_LABEL_SIZE) { - error_setg(&local_err, "Property '%s.%s' (0x%" PRIx64 ") is required" - " at least 0x%lx", object_get_typename(obj), - name, value, MIN_NAMESPACE_LABEL_SIZE); - goto out; + error_setg(errp, "Property '%s.%s' (0x%" PRIx64 ") is required" + " at least 0x%lx", object_get_typename(obj), name, value, + MIN_NAMESPACE_LABEL_SIZE); + return; } nvdimm->label_size = value; -out: - error_propagate(errp, local_err); } static void nvdimm_get_uuid(Object *obj, Visitor *v, const char *name, diff --git a/hw/mem/pc-dimm.c b/hw/mem/pc-dimm.c index f2a86ec4ee..50e049ce1e 100644 --- a/hw/mem/pc-dimm.c +++ b/hw/mem/pc-dimm.c @@ -44,24 +44,24 @@ void pc_dimm_pre_plug(PCDIMMDevice *dimm, MachineState *machine, &error_abort); if ((slot < 0 || slot >= machine->ram_slots) && slot != PC_DIMM_UNASSIGNED_SLOT) { - error_setg(&local_err, "invalid slot number %d, valid range is [0-%" - PRIu64 "]", slot, machine->ram_slots - 1); - goto out; + error_setg(errp, + "invalid slot number %d, valid range is [0-%" PRIu64 "]", + slot, machine->ram_slots - 1); + return; } slot = pc_dimm_get_free_slot(slot == PC_DIMM_UNASSIGNED_SLOT ? NULL : &slot, machine->ram_slots, &local_err); if (local_err) { - goto out; + error_propagate(errp, local_err); + return; } object_property_set_int(OBJECT(dimm), slot, PC_DIMM_SLOT_PROP, &error_abort); trace_mhp_pc_dimm_assigned_slot(slot); memory_device_pre_plug(MEMORY_DEVICE(dimm), machine, legacy_align, - &local_err); -out: - error_propagate(errp, local_err); + errp); } void pc_dimm_plug(PCDIMMDevice *dimm, MachineState *machine, Error **errp) diff --git a/hw/misc/aspeed_sdmc.c b/hw/misc/aspeed_sdmc.c index 25e1e58356..6fefb05695 100644 --- a/hw/misc/aspeed_sdmc.c +++ b/hw/misc/aspeed_sdmc.c @@ -241,9 +241,8 @@ static void aspeed_sdmc_set_ram_size(Object *obj, Visitor *v, const char *name, } sz = size_to_str(value); - error_setg(&local_err, "Invalid RAM size %s", sz); + error_setg(errp, "Invalid RAM size %s", sz); g_free(sz); - error_propagate(errp, local_err); } static void aspeed_sdmc_initfn(Object *obj) diff --git a/hw/ppc/rs6000_mc.c b/hw/ppc/rs6000_mc.c index f8a498bd8a..ce97365f5e 100644 --- a/hw/ppc/rs6000_mc.c +++ b/hw/ppc/rs6000_mc.c @@ -169,7 +169,8 @@ static void rs6000mc_realize(DeviceState *dev, Error **errp) memory_region_init_ram(&s->simm[socket], OBJECT(dev), name, s->simm_size[socket] * MiB, &local_err); if (local_err) { - goto out; + error_propagate(errp, local_err); + return; } memory_region_add_subregion_overlap(get_system_memory(), 0, &s->simm[socket], socket); @@ -177,10 +178,10 @@ static void rs6000mc_realize(DeviceState *dev, Error **errp) } if (ram_size) { /* unable to push all requested RAM in SIMMs */ - error_setg(&local_err, "RAM size incompatible with this board. " + error_setg(errp, "RAM size incompatible with this board. " "Try again with something else, like %" PRId64 " MB", s->ram_size / MiB - ram_size); - goto out; + return; } if (s->autoconfigure) { @@ -196,8 +197,6 @@ static void rs6000mc_realize(DeviceState *dev, Error **errp) isa_register_portio_list(ISA_DEVICE(dev), &s->portio, 0x0, rs6000mc_port_list, s, "rs6000mc"); -out: - error_propagate(errp, local_err); } static const VMStateDescription vmstate_rs6000mc = { diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 83b974870c..bcd094ba3b 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -2497,23 +2497,23 @@ static void spapr_set_vsmt_mode(SpaprMachineState *spapr, Error **errp) unsigned int smp_threads = ms->smp.threads; if (!kvm_enabled() && (smp_threads > 1)) { - error_setg(&local_err, "TCG cannot support more than 1 thread/core " - "on a pseries machine"); - goto out; + error_setg(errp, "TCG cannot support more than 1 thread/core " + "on a pseries machine"); + return; } if (!is_power_of_2(smp_threads)) { - error_setg(&local_err, "Cannot support %d threads/core on a pseries " - "machine because it must be a power of 2", smp_threads); - goto out; + error_setg(errp, "Cannot support %d threads/core on a pseries " + "machine because it must be a power of 2", smp_threads); + return; } /* Detemine the VSMT mode to use: */ if (vsmt_user) { if (spapr->vsmt < smp_threads) { - error_setg(&local_err, "Cannot support VSMT mode %d" - " because it must be >= threads/core (%d)", - spapr->vsmt, smp_threads); - goto out; + error_setg(errp, "Cannot support VSMT mode %d" + " because it must be >= threads/core (%d)", + spapr->vsmt, smp_threads); + return; } /* In this case, spapr->vsmt has been set by the command line */ } else if (!smc->smp_threads_vsmt) { @@ -2543,8 +2543,6 @@ static void spapr_set_vsmt_mode(SpaprMachineState *spapr, Error **errp) * behaviour will be correct */ if ((kvm_smt >= smp_threads) && ((spapr->vsmt % kvm_smt) == 0)) { warn_report_err(local_err); - local_err = NULL; - goto out; } else { if (!vsmt_user) { error_append_hint(&local_err, @@ -2554,13 +2552,11 @@ static void spapr_set_vsmt_mode(SpaprMachineState *spapr, Error **errp) smp_threads, kvm_smt, spapr->vsmt); } kvmppc_error_append_smt_possible_hint(&local_err); - goto out; + error_propagate(errp, local_err); } } } /* else TCG: nothing to do currently */ -out: - error_propagate(errp, local_err); } static void spapr_init_cpus(SpaprMachineState *spapr) @@ -3686,9 +3682,8 @@ static void spapr_memory_unplug_request(HotplugHandler *hotplug_dev, SpaprDrc *drc; if (object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM)) { - error_setg(&local_err, - "nvdimm device hot unplug is not supported yet."); - goto out; + error_setg(errp, "nvdimm device hot unplug is not supported yet."); + return; } size = memory_device_get_region_size(MEMORY_DEVICE(dimm), &error_abort); @@ -3697,7 +3692,8 @@ static void spapr_memory_unplug_request(HotplugHandler *hotplug_dev, addr_start = object_property_get_uint(OBJECT(dimm), PC_DIMM_ADDR_PROP, &local_err); if (local_err) { - goto out; + error_propagate(errp, local_err); + return; } /* @@ -3707,10 +3703,9 @@ static void spapr_memory_unplug_request(HotplugHandler *hotplug_dev, * bail out to avoid detaching DRCs that were already released. */ if (spapr_pending_dimm_unplugs_find(spapr, dimm)) { - error_setg(&local_err, - "Memory unplug already in progress for device %s", + error_setg(errp, "Memory unplug already in progress for device %s", dev->id); - goto out; + return; } spapr_pending_dimm_unplugs_add(spapr, nr_lmbs, dimm); @@ -3729,8 +3724,6 @@ static void spapr_memory_unplug_request(HotplugHandler *hotplug_dev, addr_start / SPAPR_MEMORY_BLOCK_SIZE); spapr_hotplug_req_remove_by_count_indexed(SPAPR_DR_CONNECTOR_TYPE_LMB, nr_lmbs, spapr_drc_index(drc)); -out: - error_propagate(errp, local_err); } /* Callback to be called during DRC release. */ @@ -3891,7 +3884,6 @@ static void spapr_core_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev, { MachineState *machine = MACHINE(OBJECT(hotplug_dev)); MachineClass *mc = MACHINE_GET_CLASS(hotplug_dev); - Error *local_err = NULL; CPUCore *cc = CPU_CORE(dev); const char *base_core_type = spapr_get_cpu_core_type(machine->cpu_type); const char *type = object_get_typename(OBJECT(dev)); @@ -3900,18 +3892,18 @@ static void spapr_core_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev, unsigned int smp_threads = machine->smp.threads; if (dev->hotplugged && !mc->has_hotpluggable_cpus) { - error_setg(&local_err, "CPU hotplug not supported for this machine"); - goto out; + error_setg(errp, "CPU hotplug not supported for this machine"); + return; } if (strcmp(base_core_type, type)) { - error_setg(&local_err, "CPU core type should be %s", base_core_type); - goto out; + error_setg(errp, "CPU core type should be %s", base_core_type); + return; } if (cc->core_id % smp_threads) { - error_setg(&local_err, "invalid core id %d", cc->core_id); - goto out; + error_setg(errp, "invalid core id %d", cc->core_id); + return; } /* @@ -3921,26 +3913,23 @@ static void spapr_core_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev, * total vcpus not a multiple of threads-per-core. */ if (mc->has_hotpluggable_cpus && (cc->nr_threads != smp_threads)) { - error_setg(&local_err, "invalid nr-threads %d, must be %d", - cc->nr_threads, smp_threads); - goto out; + error_setg(errp, "invalid nr-threads %d, must be %d", cc->nr_threads, + smp_threads); + return; } core_slot = spapr_find_cpu_slot(MACHINE(hotplug_dev), cc->core_id, &index); if (!core_slot) { - error_setg(&local_err, "core id %d out of range", cc->core_id); - goto out; + error_setg(errp, "core id %d out of range", cc->core_id); + return; } if (core_slot->cpu) { - error_setg(&local_err, "core %d already populated", cc->core_id); - goto out; + error_setg(errp, "core %d already populated", cc->core_id); + return; } - numa_cpu_pre_plug(core_slot, dev, &local_err); - -out: - error_propagate(errp, local_err); + numa_cpu_pre_plug(core_slot, dev, errp); } int spapr_phb_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr, diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c index 0f00e2421f..c475d0c6ee 100644 --- a/hw/ppc/spapr_pci.c +++ b/hw/ppc/spapr_pci.c @@ -1499,10 +1499,10 @@ static void spapr_pci_plug(HotplugHandler *plug_handler, * we need to let them know it's not enabled */ if (plugged_dev->hotplugged) { - error_setg(&local_err, QERR_BUS_NO_HOTPLUG, + error_setg(errp, QERR_BUS_NO_HOTPLUG, object_get_typename(OBJECT(phb))); } - goto out; + return; } g_assert(drc); @@ -1517,15 +1517,16 @@ static void spapr_pci_plug(HotplugHandler *plug_handler, */ if (plugged_dev->hotplugged && bus->devices[PCI_DEVFN(slotnr, 0)] && PCI_FUNC(pdev->devfn) != 0) { - error_setg(&local_err, "PCI: slot %d function 0 already ocuppied by %s," + error_setg(errp, "PCI: slot %d function 0 already ocuppied by %s," " additional functions can no longer be exposed to guest.", slotnr, bus->devices[PCI_DEVFN(slotnr, 0)]->name); - goto out; + return; } spapr_drc_attach(drc, DEVICE(pdev), &local_err); if (local_err) { - goto out; + error_propagate(errp, local_err); + return; } /* If this is function 0, signal hotplug for all the device functions. @@ -1551,9 +1552,6 @@ static void spapr_pci_plug(HotplugHandler *plug_handler, } } } - -out: - error_propagate(errp, local_err); } static void spapr_pci_bridge_unplug(SpaprPhbState *phb, diff --git a/hw/s390x/ipl.c b/hw/s390x/ipl.c index ce21494c08..df5b4b311a 100644 --- a/hw/s390x/ipl.c +++ b/hw/s390x/ipl.c @@ -117,7 +117,6 @@ static void s390_ipl_realize(DeviceState *dev, Error **errp) uint64_t pentry; char *magic; int kernel_size; - Error *err = NULL; int bios_size; char *bios_filename; @@ -135,8 +134,8 @@ static void s390_ipl_realize(DeviceState *dev, Error **errp) bios_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); if (bios_filename == NULL) { - error_setg(&err, "could not find stage1 bootloader"); - goto error; + error_setg(errp, "could not find stage1 bootloader"); + return; } bios_size = load_elf(bios_filename, NULL, @@ -155,8 +154,8 @@ static void s390_ipl_realize(DeviceState *dev, Error **errp) g_free(bios_filename); if (bios_size == -1) { - error_setg(&err, "could not load bootloader '%s'", bios_name); - goto error; + error_setg(errp, "could not load bootloader '%s'", bios_name); + return; } /* default boot target is the bios */ @@ -170,8 +169,8 @@ static void s390_ipl_realize(DeviceState *dev, Error **errp) if (kernel_size < 0) { kernel_size = load_image_targphys(ipl->kernel, 0, ram_size); if (kernel_size < 0) { - error_setg(&err, "could not load kernel '%s'", ipl->kernel); - goto error; + error_setg(errp, "could not load kernel '%s'", ipl->kernel); + return; } /* if this is Linux use KERN_IMAGE_START */ magic = rom_ptr(LINUX_MAGIC_ADDR, 6); @@ -183,8 +182,8 @@ static void s390_ipl_realize(DeviceState *dev, Error **errp) if (ipl_psw) { pentry = be32_to_cpu(*ipl_psw) & PSW_MASK_SHORT_ADDR; } else { - error_setg(&err, "Could not get IPL PSW"); - goto error; + error_setg(errp, "Could not get IPL PSW"); + return; } } } @@ -217,8 +216,8 @@ static void s390_ipl_realize(DeviceState *dev, Error **errp) initrd_size = load_image_targphys(ipl->initrd, initrd_offset, ram_size - initrd_offset); if (initrd_size == -1) { - error_setg(&err, "could not load initrd '%s'", ipl->initrd); - goto error; + error_setg(errp, "could not load initrd '%s'", ipl->initrd); + return; } /* @@ -248,8 +247,6 @@ static void s390_ipl_realize(DeviceState *dev, Error **errp) * TODO: there should be a better way to do this. */ qemu_register_reset(resettable_cold_reset_fn, dev); -error: - error_propagate(errp, err); } static Property s390_ipl_properties[] = { diff --git a/hw/s390x/sclp.c b/hw/s390x/sclp.c index 03364343eb..a0ce444b4b 100644 --- a/hw/s390x/sclp.c +++ b/hw/s390x/sclp.c @@ -329,7 +329,6 @@ static void sclp_realize(DeviceState *dev, Error **errp) { MachineState *machine = MACHINE(qdev_get_machine()); SCLPDevice *sclp = SCLP(dev); - Error *err = NULL; uint64_t hw_limit; int ret; @@ -338,20 +337,17 @@ static void sclp_realize(DeviceState *dev, Error **errp) * as we can't find a fitting bus via the qom tree, we have to add the * event facility to the sysbus, so e.g. a sclp console can be created. */ - if (!sysbus_realize(SYS_BUS_DEVICE(sclp->event_facility), &err)) { - goto out; + if (!sysbus_realize(SYS_BUS_DEVICE(sclp->event_facility), errp)) { + return; } ret = s390_set_memory_limit(machine->maxram_size, &hw_limit); if (ret == -E2BIG) { - error_setg(&err, "host supports a maximum of %" PRIu64 " GB", + error_setg(errp, "host supports a maximum of %" PRIu64 " GB", hw_limit / GiB); } else if (ret) { - error_setg(&err, "setting the guest size failed"); + error_setg(errp, "setting the guest size failed"); } - -out: - error_propagate(errp, err); } static void sclp_memory_init(SCLPDevice *sclp) diff --git a/hw/xen/xen_pt_config_init.c b/hw/xen/xen_pt_config_init.c index 31ec5add1d..d0d7c720a6 100644 --- a/hw/xen/xen_pt_config_init.c +++ b/hw/xen/xen_pt_config_init.c @@ -2052,10 +2052,9 @@ void xen_pt_config_init(XenPCIPassthroughState *s, Error **errp) reg_grp_offset, ®_grp_entry->size); if (rc < 0) { - error_setg(&err, "Failed to initialize %d/%zu, type = 0x%x," + error_setg(errp, "Failed to initialize %d/%zu, type = 0x%x," " rc: %d", i, ARRAY_SIZE(xen_pt_emu_reg_grps), xen_pt_emu_reg_grps[i].grp_type, rc); - error_propagate(errp, err); xen_pt_config_delete(s); return; } diff --git a/iothread.c b/iothread.c index 6f7ac976de..b465e5c25b 100644 --- a/iothread.c +++ b/iothread.c @@ -244,13 +244,14 @@ static void iothread_set_poll_param(Object *obj, Visitor *v, visit_type_int64(v, name, &value, &local_err); if (local_err) { - goto out; + error_propagate(errp, local_err); + return; } if (value < 0) { - error_setg(&local_err, "%s value must be in range [0, %"PRId64"]", + error_setg(errp, "%s value must be in range [0, %" PRId64 "]", info->name, INT64_MAX); - goto out; + return; } *field = value; @@ -260,11 +261,8 @@ static void iothread_set_poll_param(Object *obj, Visitor *v, iothread->poll_max_ns, iothread->poll_grow, iothread->poll_shrink, - &local_err); + errp); } - -out: - error_propagate(errp, local_err); } static void iothread_class_init(ObjectClass *klass, void *class_data) diff --git a/net/colo-compare.c b/net/colo-compare.c index f15779dedc..b18b096a6e 100644 --- a/net/colo-compare.c +++ b/net/colo-compare.c @@ -1098,17 +1098,15 @@ static void compare_set_timeout(Object *obj, Visitor *v, visit_type_uint32(v, name, &value, &local_err); if (local_err) { - goto out; + error_propagate(errp, local_err); + return; } if (!value) { - error_setg(&local_err, "Property '%s.%s' requires a positive value", + error_setg(errp, "Property '%s.%s' requires a positive value", object_get_typename(obj), name); - goto out; + return; } s->compare_timeout = value; - -out: - error_propagate(errp, local_err); } static void compare_get_expired_scan_cycle(Object *obj, Visitor *v, @@ -1131,17 +1129,15 @@ static void compare_set_expired_scan_cycle(Object *obj, Visitor *v, visit_type_uint32(v, name, &value, &local_err); if (local_err) { - goto out; + error_propagate(errp, local_err); + return; } if (!value) { - error_setg(&local_err, "Property '%s.%s' requires a positive value", + error_setg(errp, "Property '%s.%s' requires a positive value", object_get_typename(obj), name); - goto out; + return; } s->expired_scan_cycle = value; - -out: - error_propagate(errp, local_err); } static void compare_pri_rs_finalize(SocketReadState *pri_rs) diff --git a/net/dump.c b/net/dump.c index 61389e7dad..e8c4071d59 100644 --- a/net/dump.c +++ b/net/dump.c @@ -197,17 +197,15 @@ static void filter_dump_set_maxlen(Object *obj, Visitor *v, const char *name, visit_type_uint32(v, name, &value, &local_err); if (local_err) { - goto out; + error_propagate(errp, local_err); + return; } if (value == 0) { - error_setg(&local_err, "Property '%s.%s' doesn't take value '%u'", + error_setg(errp, "Property '%s.%s' doesn't take value '%u'", object_get_typename(obj), name, value); - goto out; + return; } nfds->maxlen = value; - -out: - error_propagate(errp, local_err); } static char *file_dump_get_filename(Object *obj, Error **errp) diff --git a/net/filter-buffer.c b/net/filter-buffer.c index 93050f86cf..c3892911b8 100644 --- a/net/filter-buffer.c +++ b/net/filter-buffer.c @@ -175,17 +175,15 @@ static void filter_buffer_set_interval(Object *obj, Visitor *v, visit_type_uint32(v, name, &value, &local_err); if (local_err) { - goto out; + error_propagate(errp, local_err); + return; } if (!value) { - error_setg(&local_err, "Property '%s.%s' requires a positive value", + error_setg(errp, "Property '%s.%s' requires a positive value", object_get_typename(obj), name); - goto out; + return; } s->interval = value; - -out: - error_propagate(errp, local_err); } static void filter_buffer_init(Object *obj) diff --git a/qga/commands-win32.c b/qga/commands-win32.c index 49dd792d2c..b186ddb4aa 100644 --- a/qga/commands-win32.c +++ b/qga/commands-win32.c @@ -282,9 +282,8 @@ static void execute_async(DWORD WINAPI (*func)(LPVOID), LPVOID opaque, HANDLE thread = CreateThread(NULL, 0, func, opaque, 0, NULL); if (!thread) { - error_setg(&local_err, QERR_QGA_COMMAND_FAILED, + error_setg(errp, QERR_QGA_COMMAND_FAILED, "failed to dispatch asynchronous command"); - error_propagate(errp, local_err); } } @@ -1274,31 +1273,28 @@ static void check_suspend_mode(GuestSuspendMode mode, Error **errp) ZeroMemory(&sys_pwr_caps, sizeof(sys_pwr_caps)); if (!GetPwrCapabilities(&sys_pwr_caps)) { - error_setg(&local_err, QERR_QGA_COMMAND_FAILED, + error_setg(errp, QERR_QGA_COMMAND_FAILED, "failed to determine guest suspend capabilities"); - goto out; + return; } switch (mode) { case GUEST_SUSPEND_MODE_DISK: if (!sys_pwr_caps.SystemS4) { - error_setg(&local_err, QERR_QGA_COMMAND_FAILED, + error_setg(errp, QERR_QGA_COMMAND_FAILED, "suspend-to-disk not supported by OS"); } break; case GUEST_SUSPEND_MODE_RAM: if (!sys_pwr_caps.SystemS3) { - error_setg(&local_err, QERR_QGA_COMMAND_FAILED, + error_setg(errp, QERR_QGA_COMMAND_FAILED, "suspend-to-ram not supported by OS"); } break; default: - error_setg(&local_err, QERR_INVALID_PARAMETER_VALUE, "mode", + error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "mode", "GuestSuspendMode"); } - -out: - error_propagate(errp, local_err); } static DWORD WINAPI do_suspend(LPVOID opaque) -- 2.26.2