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qdev: Drop qbus_set_hotplug_handler() parameter @errp

Browse source 
qbus_set_hotplug_handler() is a simple wrapper around
object_property_set_link().

object_property_set_link() fails when the property doesn't exist, is
not settable, or its .check() method fails.  These are all programming
errors here, so passing &error_abort to qbus_set_hotplug_handler() is
appropriate.

Most of its callers do.  Exceptions:

* pcie_cap_slot_init(), shpc_init(), spapr_phb_realize() pass NULL,
  i.e. they ignore errors.

* spapr_machine_init() passes &error_fatal.

* s390_pcihost_realize(), virtio_serial_device_realize(),
  s390_pcihost_plug() pass the error to their callers.  The latter two
  keep going after the error, which looks wrong.

Drop the @errp parameter, and instead pass &error_abort to
object_property_set_link().

Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: "Daniel P. Berrangé" <berrange@redhat.com>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200630090351.1247703-15-armbru@redhat.com>
This commit is contained in:
Markus Armbruster 2020-06-30 11:03:39 +02:00
parent cd7c866074
commit 9bc6bfdf67
15 changed files with 22 additions and 33 deletions
Download patch file Download diff file Expand all files Collapse all files

2
hw/s390x/ap-bridge.c
View file

@ -58,7 +58,7 @@ void s390_init_ap(void)
bus = qbus_create(TYPE_AP_BUS, dev, TYPE_AP_BUS);
/* Enable hotplugging */
qbus_set_hotplug_handler(bus, OBJECT(dev), &error_abort);
qbus_set_hotplug_handler(bus, OBJECT(dev));
}
static void ap_bridge_class_init(ObjectClass *oc, void *data)

2
hw/s390x/css-bridge.c
View file

@ -111,7 +111,7 @@ VirtualCssBus *virtual_css_bus_init(void)
cbus = VIRTUAL_CSS_BUS(bus);
/* Enable hotplugging */
qbus_set_hotplug_handler(bus, OBJECT(dev), &error_abort);
qbus_set_hotplug_handler(bus, OBJECT(dev));
css_register_io_adapters(CSS_IO_ADAPTER_VIRTIO, true, false,
0, &error_abort);

14
hw/s390x/s390-pci-bus.c
View file

@ -751,19 +751,11 @@ static void s390_pcihost_realize(DeviceState *dev, Error **errp)
pci_setup_iommu(b, s390_pci_dma_iommu, s);
bus = BUS(b);
qbus_set_hotplug_handler(bus, OBJECT(dev), &local_err);
if (local_err) {
error_propagate(errp, local_err);
return;
}
qbus_set_hotplug_handler(bus, OBJECT(dev));
phb->bus = b;
s->bus = S390_PCI_BUS(qbus_create(TYPE_S390_PCI_BUS, dev, NULL));
qbus_set_hotplug_handler(BUS(s->bus), OBJECT(dev), &local_err);
if (local_err) {
error_propagate(errp, local_err);
return;
}
qbus_set_hotplug_handler(BUS(s->bus), OBJECT(dev));
s->iommu_table = g_hash_table_new_full(g_int64_hash, g_int64_equal,
NULL, g_free);
@ -921,7 +913,7 @@ static void s390_pcihost_plug(HotplugHandler *hotplug_dev, DeviceState *dev,
pci_bridge_map_irq(pb, dev->id, s390_pci_map_irq);
pci_setup_iommu(&pb->sec_bus, s390_pci_dma_iommu, s);
qbus_set_hotplug_handler(BUS(&pb->sec_bus), OBJECT(s), errp);
qbus_set_hotplug_handler(BUS(&pb->sec_bus), OBJECT(s));
if (dev->hotplugged) {
pci_default_write_config(pdev, PCI_PRIMARY_BUS,