Re: [PATCH 2/2] hmp: Simplify qom_set

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

On 5/20/20 5:11 PM, Dr. David Alan Gilbert (git) wrote:
> From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
> 
> Simplify qom_set by making it use qmp_qom_set and the JSON parser.
> 
> Note that qom-set likes JSON strings quoted with ' not ", e.g.:
> 
> (qemu) qom-get /machine smm
> "auto"
> (qemu) qom-set /machine smm 'auto'

Will I get this output using "?

(qemu) qom-set /machine smm "auto"
Error: Expecting a JSON value

> 
> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
> ---
>   qom/qom-hmp-cmds.c | 16 +++++-----------
>   1 file changed, 5 insertions(+), 11 deletions(-)
> 
> diff --git a/qom/qom-hmp-cmds.c b/qom/qom-hmp-cmds.c
> index a8b0a080c7..f704b6949a 100644
> --- a/qom/qom-hmp-cmds.c
> +++ b/qom/qom-hmp-cmds.c
> @@ -48,19 +48,13 @@ void hmp_qom_set(Monitor *mon, const QDict *qdict)
>       const char *property = qdict_get_str(qdict, "property");
>       const char *value = qdict_get_str(qdict, "value");
>       Error *err = NULL;
> -    bool ambiguous = false;
> -    Object *obj;
> +    QObject *obj;
>   
> -    obj = object_resolve_path(path, &ambiguous);
> -    if (obj == NULL) {
> -        error_set(&err, ERROR_CLASS_DEVICE_NOT_FOUND,
> -                  "Device '%s' not found", path);
> -    } else {
> -        if (ambiguous) {
> -            monitor_printf(mon, "Warning: Path '%s' is ambiguous\n", path);
> -        }
> -        object_property_parse(obj, value, property, &err);
> +    obj = qobject_from_json(value, &err);
> +    if (err == NULL) {
> +        qmp_qom_set(path, property, obj, &err);
>       }
> +
>       hmp_handle_error(mon, err);
>   }
>   
>