netdev - Re: [patch net-next v7 5/9] genetlink: introduce per-sock family private storage

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Date: Sat, 16 Dec 2023 10:17:56 +0100
From: Jiri Pirko <jiri@...nulli.us>
To: Jakub Kicinski <kuba@...nel.org>
Cc: netdev@...r.kernel.org, pabeni@...hat.com, davem@...emloft.net,
	edumazet@...gle.com, jacob.e.keller@...el.com, jhs@...atatu.com,
	johannes@...solutions.net, andriy.shevchenko@...ux.intel.com,
	amritha.nambiar@...el.com, sdf@...gle.com, horms@...nel.org,
	przemyslaw.kitszel@...el.com
Subject: Re: [patch net-next v7 5/9] genetlink: introduce per-sock family
 private storage

Sat, Dec 16, 2023 at 02:47:07AM CET, kuba@...nel.org wrote:
>Sorry for the latency...

Np.

>
>On Fri, 15 Dec 2023 11:17:14 +0100 Jiri Pirko wrote:
>> Wait, let me make your suggestion clear. Do you suggest to remove the
>> WARN_ON_ONCE from __genl_sk_priv_get() as well?
>> 
>> To put it in code:
>> void *__genl_sk_priv_get(struct genl_family *family, struct sock *sk)
>> {
>> 	if (WARN_ON_ONCE(!family->sock_privs))
>> 		return ERR_PTR(-EINVAL);
>> 	return xa_load(family->sock_privs, (unsigned long) sk);
>> }
>
>I meant this, although no strong feelings.

Got it. Will send v8. Hopefully that will be the last.

Thanks!

>
>> OR:
>> void *__genl_sk_priv_get(struct genl_family *family, struct sock *sk)
>> {
>> 	if (!family->sock_privs)
>> 		return ERR_PTR(-EINVAL);
>> 	return xa_load(family->sock_privs, (unsigned long) sk);
>> }
>> ?