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qdev: Drop qbus_set_hotplug_handler() parameter @errp

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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

3
include/hw/qdev-core.h
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@ -535,8 +535,7 @@ extern bool qdev_hot_removed;
char *qdev_get_dev_path(DeviceState *dev);
void qbus_set_hotplug_handler(BusState *bus, Object *handler, Error **errp);
void qbus_set_hotplug_handler(BusState *bus, Object *handler);
void qbus_set_bus_hotplug_handler(BusState *bus);
static inline bool qbus_is_hotpluggable(BusState *bus)