From: Jacob Keller <jacob.e.keller@intel•com>
To: Jakub Kicinski <kuba@kernel•org>
Cc: <netdev@vger•kernel.org>, Jiri Pirko <jiri@nvidia•com>
Subject: Re: [PATCH net-next 3/8] devlink: report extended error message in region_read_dumpit
Date: Mon, 21 Nov 2022 13:18:37 -0800 [thread overview]
Message-ID: <f60f589d-930c-3f44-4872-eac6b83d67ef@intel.com> (raw)
In-Reply-To: <20221121112322.21bffb4b@kernel.org>
On 11/21/2022 11:23 AM, Jakub Kicinski wrote:
> On Mon, 21 Nov 2022 11:10:37 -0800 Jacob Keller wrote:
>>>> @@ -6453,8 +6453,14 @@ 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_MOD(cb->extack, "No region name provided");
>>>> + err = -EINVAL;
>>>> + goto out_unlock;
>>>> + }
>>>> +
>>>> + if (!attrs[DEVLINK_ATTR_REGION_SNAPSHOT_ID]) {
>>>
>>> Please use GENL_REQ_ATTR_CHECK() instead of adding strings.
>>>
>>
>> Ahhh. Figured out why GENL_REQ_ATTR_CHECK wasn't used here already. It
>> happens because the dumpit functions don't get a genl_info * struct,
>> they get a netlink_cb and a genl_dumpit_info.
>>
>> I can look at improving this.
>
> Ah damn, you're right, I thought I just missed it because it wasn't
> at the top of the function.
I also saw a few other cases where it might make sense to use a
GENL_CB_REQ_ATTR_CHECK or similar.
Unfortunately there's at least one area where we check for attributes
inside a function that is used in both flows which would get a bit
problematic :( Will see what I can come up with.
Thanks,
Jake
next prev parent reply other threads:[~2022-11-21 21:19 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-17 22:07 [PATCH net-next 0/8] devlink: support direct read from region Jacob Keller
2022-11-17 22:07 ` [PATCH net-next 1/8] devlink: find snapshot in devlink_nl_cmd_region_read_dumpit Jacob Keller
2022-11-17 22:07 ` [PATCH net-next 2/8] devlink: use min_t to calculate data_size Jacob Keller
2022-11-19 1:36 ` Jakub Kicinski
2022-11-21 17:51 ` Jacob Keller
2022-11-21 18:35 ` Jacob Keller
2022-11-21 19:06 ` Jakub Kicinski
2022-11-21 21:16 ` Jacob Keller
2022-11-17 22:07 ` [PATCH net-next 3/8] devlink: report extended error message in region_read_dumpit Jacob Keller
2022-11-19 1:40 ` Jakub Kicinski
2022-11-21 17:53 ` Jacob Keller
2022-11-21 19:10 ` Jacob Keller
2022-11-21 19:23 ` Jakub Kicinski
2022-11-21 21:18 ` Jacob Keller [this message]
2022-11-22 4:07 ` Jakub Kicinski
2022-11-17 22:07 ` [PATCH net-next 4/8] devlink: remove unnecessary parameter from chunk_fill function Jacob Keller
2022-11-17 22:08 ` [PATCH net-next 5/8] devlink: refactor region_read_snapshot_fill to use a callback function Jacob Keller
2022-11-19 1:31 ` Jakub Kicinski
2022-11-19 1:48 ` Jakub Kicinski
2022-11-21 17:55 ` Jacob Keller
2022-11-17 22:08 ` [PATCH net-next 6/8] devlink: support directly reading from region memory Jacob Keller
2022-11-19 1:49 ` Jakub Kicinski
2022-11-23 19:20 ` Jacob Keller
2022-11-17 22:08 ` [PATCH net-next 7/8] ice: use same function to snapshot both NVM and Shadow RAM Jacob Keller
2022-11-17 22:08 ` [PATCH net-next 8/8] ice: implement direct read for NVM and Shadow RAM regions Jacob Keller
2022-11-23 20:51 ` [PATCH net-next 0/8] devlink: support direct read from region Jacob Keller
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