linux-kernel - Re: [PATCH] macsec: Support 32bit PN netlink attribute for XPN links

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Date:   Mon, 15 Jun 2020 18:23:43 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     mayflowerera@...il.com
Cc:     kuba@...nel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] macsec: Support 32bit PN netlink attribute for XPN
 links

From: Era Mayflower <mayflowerera@...il.com>
Date: Tue, 16 Jun 2020 00:41:14 +0900

> +	if (tb_sa[MACSEC_SA_ATTR_PN]) {

validate_add_rxsa() requires that MACSET_SA_ATTR_PN be non-NULL, so
you don't need to add this check here.