netdev - Re: [PATCH net-next v2 2/9] devlink: report extended error message in region_read

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Message-ID: <Y38vZ/AuQNI0uPjl@nanopsycho>
Date:   Thu, 24 Nov 2022 09:46:31 +0100
From:   Jiri Pirko <jiri@...nulli.us>
To:     Jacob Keller <jacob.e.keller@...el.com>
Cc:     netdev@...r.kernel.org, Jiri Pirko <jiri@...dia.com>,
        Jakub Kicinski <kuba@...nel.org>
Subject: Re: [PATCH net-next v2 2/9] devlink: report extended error message
 in region_read_dumpit

Wed, Nov 23, 2022 at 09:38:27PM CET, jacob.e.keller@...el.com wrote:

[...]


>@@ -6525,8 +6525,14 @@ static int devlink_nl_cmd_region_read_dumpit(struct sk_buff *skb,
> 
> 	devl_lock(devlink);
> 
>-	if (!attrs[DEVLINK_ATTR_REGION_NAME] ||
>-	    !attrs[DEVLINK_ATTR_REGION_SNAPSHOT_ID]) {
>+	if (!attrs[DEVLINK_ATTR_REGION_NAME]) {
>+		NL_SET_ERR_MSG(cb->extack, "No region name provided");
>+		err = -EINVAL;
>+		goto out_unlock;
>+	}
>+
>+	if (!attrs[DEVLINK_ATTR_REGION_SNAPSHOT_ID]) {
>+		NL_SET_ERR_MSG(cb->extack, "No snapshot id provided");
> 		err = -EINVAL;
> 		goto out_unlock;
> 	}
>@@ -6541,7 +6547,8 @@ static int devlink_nl_cmd_region_read_dumpit(struct sk_buff *skb,
> 		}
> 	}
> 
>-	region_name = nla_data(attrs[DEVLINK_ATTR_REGION_NAME]);
>+	region_attr = attrs[DEVLINK_ATTR_REGION_NAME];
>+	region_name = nla_data(region_attr);
> 
> 	if (port)
> 		region = devlink_port_region_get_by_name(port, region_name);
>@@ -6549,6 +6556,7 @@ static int devlink_nl_cmd_region_read_dumpit(struct sk_buff *skb,
> 		region = devlink_region_get_by_name(devlink, region_name);
> 
> 	if (!region) {
>+		NL_SET_ERR_MSG_ATTR(cb->extack, region_attr, "requested region does not exist");

Any reason why don't start the message with uppercase? It would be
consistent with the other 2 messages you just introduced.
Same goes to the message in the next patch (perhaps some others too)


> 		err = -EINVAL;
> 		goto out_unlock;
> 	}
>-- 
>2.38.1.420.g319605f8f00e
>