netdev - Re: [PATCH net-next 1/5] rtnetlink: provide permanent hardware address in RTM

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Message-ID: <54d6f040b283ad19e739d3b5a05d249285231c54.camel@sipsolutions.net>
Date:   Tue, 10 Dec 2019 00:20:51 +0100
From:   Johannes Berg <johannes@...solutions.net>
To:     Michal Kubecek <mkubecek@...e.cz>,
        David Miller <davem@...emloft.net>, netdev@...r.kernel.org
Cc:     Jakub Kicinski <jakub.kicinski@...ronome.com>,
        Jiri Pirko <jiri@...nulli.us>, Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        John Linville <linville@...driver.com>,
        Stephen Hemminger <stephen@...workplumber.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next 1/5] rtnetlink: provide permanent hardware
 address in RTM_NEWLINK

On Mon, 2019-12-09 at 20:55 +0100, Michal Kubecek wrote:
> 
> +	if (memchr_inv(dev->perm_addr, '\0', dev->addr_len) &&

Why not simply !is_zero_ether_addr()?

johannes