netdev - Re: [PATCH v2] socket.7: Document some BPF-related socket options

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Date:	Tue, 01 Mar 2016 11:10:43 +0100
From:	Vincent Bernat <bernat@...fy.cx>
To:	"Michael Kerrisk \(man-pages\)" <mtk.manpages@...il.com>
Cc:	Craig Gallek <kraigatgoog@...il.com>, linux-man@...r.kernel.org,
	netdev@...r.kernel.org, alexei.starovoitov@...il.com
Subject: Re: [PATCH v2] socket.7: Document some BPF-related socket options

 ❦  1 mars 2016 11:03 +0100, "Michael Kerrisk (man-pages)" <mtk.manpages@...il.com> :

>           Once   the   SO_LOCK_FILTER  option  has  been  enabled,
>           attempts by an unprivileged process to change or  remove
>           the  filter  attached  to  a  socket,  or to disable the
>           SO_LOCK_FILTER option will fail with the error EPERM.

You should remove "unprivileged". I didn't try to check for permissions
because I was just lazy (and I didn't have a need for it). As root, you
can just recreate another socket.
-- 
Choose a data representation that makes the program simple.
            - The Elements of Programming Style (Kernighan & Plauger)