Re: [Qemu-devel] [PATCHv7 3/6] fw_cfg: switch fw_cfg_find() to locate the fw_cfg device by type rather than path

[Igor Mammedov <imammedo@redhat.com>]

On Thu, 29 Jun 2017 15:07:17 +0100
Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> wrote:

> This will enable the fw_cfg device to be placed anywhere within the QOM tree
> regardless of its machine location.
> 
> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
> ---
>  hw/nvram/fw_cfg.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/hw/nvram/fw_cfg.c b/hw/nvram/fw_cfg.c
> index 99bdbc2..0fe7404 100644
> --- a/hw/nvram/fw_cfg.c
> +++ b/hw/nvram/fw_cfg.c
> @@ -1017,7 +1017,7 @@ FWCfgState *fw_cfg_init_mem(hwaddr ctl_addr, hwaddr data_addr)
>  
>  FWCfgState *fw_cfg_find(void)
>  {
> -    return FW_CFG(object_resolve_path(FW_CFG_PATH, NULL));
> +    return FW_CFG(object_resolve_path_type("", TYPE_FW_CFG, NULL));
I insist on using ambiguous argument

see why it's needed
 https://www.mail-archive.com/qemu-devel@nongnu.org/msg460692.html

>  }
>  
>  static void fw_cfg_class_init(ObjectClass *klass, void *data)