Re: [PATCH v2 2/2] vl: use qmp_device_add() in qemu_create_cli_devices()

[Markus Armbruster <armbru@redhat.com>]

Stefan Hajnoczi <stefanha@redhat.com> writes:

> qemu_create_cli_devices() should use qmp_device_add() to match the
> behavior of the QMP monitor. A comment explained that libvirt changes
> implementing strict CLI syntax were needed.
>
> Peter Krempa <pkrempa@redhat.com> has confirmed that modern libvirt uses
> the same JSON for -device (CLI) and device_add (QMP). Go ahead and use
> qmp_device_add().
>
> Cc: Peter Krempa <pkrempa@redhat.com>
> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
> ---
>  system/vl.c | 14 ++++----------
>  1 file changed, 4 insertions(+), 10 deletions(-)
>
> diff --git a/system/vl.c b/system/vl.c
> index 9e8f16f155..0beb8bfb57 100644
> --- a/system/vl.c
> +++ b/system/vl.c
> @@ -2651,17 +2651,11 @@ static void qemu_create_cli_devices(void)
>      qemu_opts_foreach(qemu_find_opts("device"),
>                        device_init_func, NULL, &error_fatal);
>      QTAILQ_FOREACH(opt, &device_opts, next) {
> -        DeviceState *dev;
> +        QObject *ret_data = NULL;
> +
>          loc_push_restore(&opt->loc);
> -        /*
> -         * TODO Eventually we should call qmp_device_add() here to make sure it
> -         * behaves the same, but QMP still has to accept incorrectly typed
> -         * options until libvirt is fixed and we want to be strict on the CLI
> -         * from the start, so call qdev_device_add_from_qdict() directly for
> -         * now.
> -         */
> -        dev = qdev_device_add_from_qdict(opt->opts, true, &error_fatal);
> -        object_unref(OBJECT(dev));
> +        qmp_device_add(opt->opts, &ret_data, &error_fatal);
> +        assert(ret_data == NULL); /* error_fatal aborts */
>          loc_pop(&opt->loc);
>      }
>      rom_reset_order_override();

Reviewed-by: Markus Armbruster <armbru@redhat.com>