qdev: Assert devices are plugged into a bus that can take them
This would have caught some of the bugs I just fixed. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Message-Id: <20200609122339.937862-23-armbru@redhat.com>
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@ -97,6 +97,9 @@ static void bus_add_child(BusState *bus, DeviceState *child)
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void qdev_set_parent_bus(DeviceState *dev, BusState *bus)
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void qdev_set_parent_bus(DeviceState *dev, BusState *bus)
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{
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{
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BusState *old_parent_bus = dev->parent_bus;
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BusState *old_parent_bus = dev->parent_bus;
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DeviceClass *dc = DEVICE_GET_CLASS(dev);
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assert(dc->bus_type && object_dynamic_cast(OBJECT(bus), dc->bus_type));
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if (old_parent_bus) {
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if (old_parent_bus) {
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trace_qdev_update_parent_bus(dev, object_get_typename(OBJECT(dev)),
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trace_qdev_update_parent_bus(dev, object_get_typename(OBJECT(dev)),
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