Re: [PATCH 1/2] qom/object_interfaces: Remove unnecessary local_err check

[Zhao Liu <zhao1.liu@intel.com>]

On Thu, Feb 29, 2024 at 11:37:38AM +0800, Zhenzhong Duan wrote:
> Date: Thu, 29 Feb 2024 11:37:38 +0800
> From: Zhenzhong Duan <zhenzhong.duan@intel.com>
> Subject: [PATCH 1/2] qom/object_interfaces: Remove unnecessary local_err
>  check
> X-Mailer: git-send-email 2.34.1
> 
> In the error return path, local_err is always set, no need to check it.

The original error handling code indicates "local_err is always set",
and error_propagate() can handle the case that local_err is NULL.

> Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
> ---
>  qom/object_interfaces.c | 10 ++++------
>  1 file changed, 4 insertions(+), 6 deletions(-)
>
> diff --git a/qom/object_interfaces.c b/qom/object_interfaces.c
> index e0833c8bfe..255a7bf659 100644
> --- a/qom/object_interfaces.c
> +++ b/qom/object_interfaces.c
> @@ -128,13 +128,11 @@ Object *user_creatable_add_type(const char *type, const char *id,
>          }
>          goto out;
>      }
> -out:
> -    if (local_err) {
> -        error_propagate(errp, local_err);
> -        object_unref(obj);
> -        return NULL;
> -    }
>      return obj;
> +out:

Maybe rename this to "err:"? Since now it's just used to handle error,
and "goto err" seems more clear.

> +    error_propagate(errp, local_err);
> +    object_unref(obj);
> +    return NULL;
>  }
>  
>  void user_creatable_add_qapi(ObjectOptions *options, Error **errp)
> -- 
> 2.34.1
> 

Otherwise,

Reviewed-by: Zhao Liu <zhao1.liu@intel.com>