From mboxrd@z Thu Jan  1 00:00:00 1970
From: Johannes Berg <johannes@sipsolutions.net>
Subject: Re: [PATCH v3 2/3] genetlink: disallow subscribing to unknown mcast
 groups
Date: Wed, 04 Feb 2015 17:16:04 +0100
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Cc: netdev@vger.kernel.org, Jeff Layton <jeff.layton@primarydata.com>,
	Sedat Dilek <sedat.dilek@gmail.com>
To: =?ISO-8859-1?Q?Bj=F8rn?= Mork <bjorn@mork.no>
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On Wed, 2015-02-04 at 16:55 +0100, Bj=C3=B8rn Mork wrote:

> This was never noticed before because there are only two users,
> netfilter and generic netlink,  and both were willing to accept the
> off-by-one values without much fuzz.

Generic netlink didn't even have it until my patchset.

I think audit also uses the callback, but only for permissions checks
and doesn't care about the group at all.

johannes