netdev - Re: [net-next v2 09/11] devlink: implement DEVLINK_CMD_REGION

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Date:   Thu, 26 Mar 2020 09:19:30 -0700
From:   Jacob Keller <jacob.e.keller@...el.com>
To:     Jiri Pirko <jiri@...nulli.us>
Cc:     netdev@...r.kernel.org, Jakub Kicinski <kuba@...nel.org>
Subject: Re: [net-next v2 09/11] devlink: implement DEVLINK_CMD_REGION_NEW



On 3/26/2020 1:52 AM, Jiri Pirko wrote:
> Thu, Mar 26, 2020 at 04:51:55AM CET, jacob.e.keller@...el.com wrote:
> 
> [...]
> 
>> +	err = __devlink_snapshot_id_insert(devlink, snapshot_id);
>> +	if (err) {
>> +		return err;
>> +	}
>> +
>> +	err = region->ops->snapshot(devlink, info->extack, &data);
>> +	if (err)
>> +		goto snapshot_capture_failure;
>> +
>> +	err = __devlink_region_snapshot_create(region, data, snapshot_id);
>> +	if (err)
>> +		goto snapshot_create_failure;
>> +
>> +	return 0;
>> +
>> +snapshot_create_failure:
>> +	region->ops->destructor(data);
>> +snapshot_capture_failure:
> 
> Eh, this actually should be "err_snapshot_capture" and
> "err_snapshot_create"
> 

Sure. It seems a lot of functions use "out" or "nla_put_failure", or
other styles.

$grep "^[A-Za-z0-9_]*:" net/core/devlink.c | sort | uniq -c | less
      1 dump_err:
      1 err_action_value_put:
      1 err_action_values_put:
      1 err_cancel_msg:
      1 err_group_init:
      1 err_group_link:
      1 err_match_value_put:
      1 err_match_values_put:
      1 err_resource_put:
      2 err_stats_alloc:
      2 err_table_put:
      1 err_trap_fill:
      1 err_trap_group_fill:
      1 err_trap_group_register:
      1 err_trap_group_verify:
      1 err_trap_init:
      1 err_trap_register:
      1 err_trap_verify:
      1 free_msg:
      2 genlmsg_cancel:
      1 id_increment_failure:
     34 nla_put_failure:
      1 nla_put_failure_type_locked:
     27 out:
      1 out_cancel_msg:
      1 out_dev:
      2 out_free_msg:
      1 out_unlock:
      1 param_nest_cancel:
      1 reporter_nest_cancel:
      1 resource_put_failure:
      1 rollback:
      4 send_done:
      1 snapshot_capture_failure:
      1 snapshot_create_failure:
      3 start_again:
      9 unlock:
      1 value_nest_cancel:
      1 values_list_nest_cancel:

But I'll change these.