From: Eric W. Biederman <ebiederm@xmission.com>
Date: Sun, 18 Nov 2012 21:34:11 +0000 (+0000)
Subject: net: Allow userns root to control tun and tap devices
X-Git-Tag: omap-for-v3.8/fixes-for-merge-window-v4-signed~45^2~277
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c260b7722f8c21963d0f0347f7fc203da9ee1a6b;p=pandora-kernel.git

net: Allow userns root to control tun and tap devices

Allow an unpriviled user who has created a user namespace, and then
created a network namespace to effectively use the new network
namespace, by reducing capable(CAP_NET_ADMIN) calls to
ns_capable(net->user_ns,CAP_NET_ADMIN) calls.

Allow setting of the tun iff flags.
Allow creating of tun devices.
Allow adding a new queue to a tun device.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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