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Date:   Wed, 20 Jul 2022 11:56:35 +0300
From:   Ido Schimmel <idosch@...dia.com>
To:     Jiri Pirko <jiri@...nulli.us>
Cc:     netdev@...r.kernel.org, davem@...emloft.net, kuba@...nel.org,
        petrm@...dia.com, pabeni@...hat.com, edumazet@...gle.com,
        mlxsw@...dia.com, saeedm@...dia.com, snelson@...sando.io
Subject: Re: [patch net-next v2 05/12] mlxsw: core_linecards: Expose HW
 revision and INI version

On Tue, Jul 19, 2022 at 08:48:40AM +0200, Jiri Pirko wrote:
> +int mlxsw_linecard_devlink_info_get(struct mlxsw_linecard *linecard,
> +				    struct devlink_info_req *req,
> +				    struct netlink_ext_ack *extack)
> +{
> +	char buf[32];
> +	int err;
> +
> +	mutex_lock(&linecard->lock);
> +	if (WARN_ON(!linecard->provisioned)) {
> +		err = 0;

Why not:

err = -EINVAL;

?

> +		goto unlock;
> +	}
> +
> +	sprintf(buf, "%d", linecard->hw_revision);
> +	err = devlink_info_version_fixed_put(req, "hw.revision", buf);
> +	if (err)
> +		goto unlock;
> +
> +	sprintf(buf, "%d", linecard->ini_version);
> +	err = devlink_info_version_running_put(req, "ini.version", buf);
> +	if (err)
> +		goto unlock;
> +
> +unlock:
> +	mutex_unlock(&linecard->lock);
> +	return err;
> +}
> +
>  static int
>  mlxsw_linecard_provision_set(struct mlxsw_linecard *linecard, u8 card_type,
>  			     u16 hw_revision, u16 ini_version)
> -- 
> 2.35.3
> 

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