From: WANG Cong <amwang@redhat.com>
Date: Thu, 9 Jun 2011 07:28:13 +0000 (-0700)
Subject: netpoll: prevent netpoll setup on slave devices
X-Git-Tag: v3.0-rc3~13^2~16
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0c1ad04aecb975f2a2014e1bc5a2fa23923ecbd9;p=pandora-kernel.git

netpoll: prevent netpoll setup on slave devices

In commit 8d8fc29d02a33e4bd5f4fa47823c1fd386346093
(netpoll: disable netpoll when enslave a device), we automatically
disable netpoll when the underlying device is being enslaved,
we also need to prevent people from setuping netpoll on
devices that are already enslaved.

Signed-off-by: WANG Cong <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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