hw/i386/microvm: Simplify using object_dynamic_cast()

Use object_dynamic_cast() to determine if 'dev' is a TYPE_VIRTIO_MMIO.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Sergio Lopez <slp@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This commit is contained in:
Philippe Mathieu-Daudé 2023-05-23 08:12:05 +02:00 committed by Michael Tokarev
parent bec552e2cd
commit a5c80ab847

View file

@ -389,9 +389,8 @@ static void microvm_fix_kernel_cmdline(MachineState *machine)
bus = sysbus_get_default();
QTAILQ_FOREACH(kid, &bus->children, sibling) {
DeviceState *dev = kid->child;
ObjectClass *class = object_get_class(OBJECT(dev));
if (class == object_class_by_name(TYPE_VIRTIO_MMIO)) {
if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MMIO)) {
VirtIOMMIOProxy *mmio = VIRTIO_MMIO(OBJECT(dev));
VirtioBusState *mmio_virtio_bus = &mmio->bus;
BusState *mmio_bus = &mmio_virtio_bus->parent_obj;