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Message-ID: <54d6f040b283ad19e739d3b5a05d249285231c54.camel@sipsolutions.net>
Subject: Re: [PATCH net-next 1/5] rtnetlink: provide permanent hardware
 address in RTM_NEWLINK
From:   Johannes Berg <johannes@sipsolutions.net>
To:     Michal Kubecek <mkubecek@suse.cz>,
        David Miller <davem@davemloft.net>, netdev@vger.kernel.org
Cc:     Jakub Kicinski <jakub.kicinski@netronome.com>,
        Jiri Pirko <jiri@resnulli.us>, Andrew Lunn <andrew@lunn.ch>,
        Florian Fainelli <f.fainelli@gmail.com>,
        John Linville <linville@tuxdriver.com>,
        Stephen Hemminger <stephen@networkplumber.org>,
        linux-kernel@vger.kernel.org
Date:   Tue, 10 Dec 2019 00:20:51 +0100
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         <0f4b780d5dd38109768d863781b0ce6de9ef4fbb.1575920565.git.mkubecek@suse.cz>
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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