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Date: Tue, 30 Dec 2014 23:06:01 +0300
From: Gleb Smirnoff <glebius@FreeBSD.org>
To: Mateusz Guzik <mjg@FreeBSD.org>
Subject: Re: svn commit: r276341 - head/sys/kern
Message-ID: <20141230200601.GF15484@FreeBSD.org>
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On Sun, Dec 28, 2014 at 07:24:02PM +0000, Mateusz Guzik wrote:
M> Author: mjg
M> Date: Sun Dec 28 19:24:01 2014
M> New Revision: 276341
M> URL: https://svnweb.freebsd.org/changeset/base/276341
M> 
M> Log:
M>   sysctl: don't modify oid_running for static nodes
M>   
M>   It is necessary to prevent nodes from being destroyed while used, but static
M>   ones cannot be destroyed.

What about nodes that go away on kernel module unload? Not sure
they were protected properly before your commit, though :)

-- 
Totus tuus, Glebius.