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qdev_monitor: Simplify error handling in qdev_device_add()

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Instead of doing the clean-ups on errors multiple times, introduce
a jump label at the end of the function that can be used by all
error paths that need this cleanup.

Suggested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1509617407-21191-2-git-send-email-thuth@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
Thomas Huth 2017-11-02 11:10:05 +01:00 committed by Eduardo Habkost
parent ef18310d54
commit 58346214d0
1 changed files with 8 additions and 8 deletions
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16
qdev-monitor.c
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@ -619,22 +619,22 @@ DeviceState *qdev_device_add(QemuOpts *opts, Error **errp)
/* set properties */
if (qemu_opt_foreach(opts, set_property, dev, &err)) {
error_propagate(errp, err);
object_unparent(OBJECT(dev));
object_unref(OBJECT(dev));
return NULL;
goto err_del_dev;
}
dev->opts = opts;
object_property_set_bool(OBJECT(dev), true, "realized", &err);
if (err != NULL) {
error_propagate(errp, err);
dev->opts = NULL;
object_unparent(OBJECT(dev));
object_unref(OBJECT(dev));
return NULL;
goto err_del_dev;
}
return dev;
err_del_dev:
error_propagate(errp, err);
object_unparent(OBJECT(dev));
object_unref(OBJECT(dev));
return NULL;
}