Re: [Xen-devel] [PATCH for-3.2 v3 10/14] qdev-props: call object_apply_global_props()

[Igor Mammedov <imammedo@xxxxxxxxxx>]

On Wed,  7 Nov 2018 16:36:48 +0400
Marc-André Lureau <marcandre.lureau@xxxxxxxxxx> wrote:

> It's now possible to use the common function.
> 
> Teach object_apply_global_props() to warn if Error argument is NULL.
> 
> Signed-off-by: Marc-André Lureau <marcandre.lureau@xxxxxxxxxx>
> ---
>  hw/core/qdev-properties.c | 24 ++----------------------
>  qom/object.c              |  6 +++++-
>  2 files changed, 7 insertions(+), 23 deletions(-)
> 
> diff --git a/hw/core/qdev-properties.c b/hw/core/qdev-properties.c
> index 8728cbab9f..239535a4cb 100644
> --- a/hw/core/qdev-properties.c
> +++ b/hw/core/qdev-properties.c
> @@ -1223,28 +1223,8 @@ int qdev_prop_check_globals(void)
>  
>  void qdev_prop_set_globals(DeviceState *dev)
>  {
> -    int i;
> -
> -    for (i = 0; i < global_props()->len; i++) {
> -        GlobalProperty *prop;
> -        Error *err = NULL;
> -
> -        prop = g_array_index(global_props(), GlobalProperty *, i);
> -        if (object_dynamic_cast(OBJECT(dev), prop->driver) == NULL) {
> -            continue;
> -        }
> -        prop->used = true;
> -        object_property_parse(OBJECT(dev), prop->value, prop->property, 
> &err);
> -        if (err != NULL) {
> -            error_prepend(&err, "can't apply global %s.%s=%s: ",
> -                          prop->driver, prop->property, prop->value);
> -            if (!dev->hotplugged) {
> -                error_propagate(&error_fatal, err);
> -            } else {
> -                warn_report_err(err);
> -            }
> -        }
> -    }
> +    object_apply_global_props(OBJECT(dev), global_props(),
> +                              dev->hotplugged ? NULL : &error_fatal);
arguably, it's up to caller to decide it warn or not.
I'd leave it warning code out of object_apply_global_props() and let caller do 
the job

>  }
>  
>  /* --- 64bit unsigned int 'size' type --- */
> diff --git a/qom/object.c b/qom/object.c
> index 9acdf9e16d..b1a7f70550 100644
> --- a/qom/object.c
> +++ b/qom/object.c
> @@ -392,7 +392,11 @@ void object_apply_global_props(Object *obj, GArray 
> *props, Error **errp)
>          if (err != NULL) {
>              error_prepend(&err, "can't apply global %s.%s=%s: ",
>                            p->driver, p->property, p->value);
> -            error_propagate(errp, err);
> +            if (errp) {
> +                error_propagate(errp, err);
> +            } else {
> +                warn_report_err(err);
> +            }
>          }
>      }
>  }


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