linux-kernel - Re: [PATCH v3] macvlan: validate flags

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Message-Id: <20130805.110321.179491711331112454.davem@davemloft.net>
Date:	Mon, 05 Aug 2013 11:03:21 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	mst@...hat.com
Cc:	linux-kernel@...r.kernel.org, john.r.fastabend@...el.com,
	kaber@...sh.net, netdev@...r.kernel.org
Subject: Re: [PATCH v3] macvlan: validate flags

From: "Michael S. Tsirkin" <mst@...hat.com>
Date: Mon, 5 Aug 2013 18:25:54 +0300

> commit df8ef8f3aaa6692970a436204c4429210addb23a
>     macvlan: add FDB bridge ops and macvlan flags
> added a flags field to macvlan, which can be
> controlled from userspace.
> The idea is to make the interface future-proof
> so we can add flags and not new fields.
> 
> However, flags value isn't validated, as a result,
> userspace can't detect which flags are supported.
> 
> Cc: "David S. Miller" <davem@...emloft.net>
> Cc: John Fastabend <john.r.fastabend@...el.com>
> Signed-off-by: Michael S. Tsirkin <mst@...hat.com>

Applied and queued up for -stable, thanks.
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