linux-kernel - RE: [PATCH net-next 5/5] net: dsa: split dsa

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Message-ID: <87y3ofi0oi.fsf@weeman.i-did-not-set--mail-host-address--so-tickle-me>
Date:   Fri, 13 Oct 2017 10:26:21 -0400
From:   Vivien Didelot <vivien.didelot@...oirfairelinux.com>
To:     David Laight <David.Laight@...LAB.COM>,
        'Florian Fainelli' <f.fainelli@...il.com>,
        "netdev\@vger.kernel.org" <netdev@...r.kernel.org>
Cc:     "linux-kernel\@vger.kernel.org" <linux-kernel@...r.kernel.org>,
        "kernel\@savoirfairelinux.com" <kernel@...oirfairelinux.com>,
        "David S. Miller" <davem@...emloft.net>,
        Andrew Lunn <andrew@...n.ch>
Subject: RE: [PATCH net-next 5/5] net: dsa: split dsa_port's netdev member

Hi David,

David Laight <David.Laight@...LAB.COM> writes:

> From: Florian Fainelli
>> Sent: 13 October 2017 00:05
> ...
>> How about using:
>> 
>> 	union {
>> 		struct net_device *master;
>> 		struct net_device *slave;
>> 	} netdev;
> ...
>
> You can remove the 'netdev' all the compilers support unnamed unions.

There are issues with older GCC versions, see the commit 42275bd8fcb3
("switchdev: don't use anonymous union on switchdev attr/obj structs")

That's why I kept it in the v2 I sent.


Thanks,

        Vivien