From: Eric Dumazet <edumazet@google.com>
Date: Thu, 7 Jun 2012 00:07:20 +0000 (+0000)
Subject: net: l2tp_eth: fix kernel panic on rmmod l2tp_eth
X-Git-Tag: v3.2.23~18
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=43f06c88b9293b6bfb5724757c0c9e7d9e2b2103;p=pandora-kernel.git

net: l2tp_eth: fix kernel panic on rmmod l2tp_eth

[ Upstream commit a06998b88b1651c5f71c0e35f528bf2057188ead ]

We must prevent module unloading if some devices are still attached to
l2tp_eth driver.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Denys Fedoryshchenko <denys@visp.net.lb>
Tested-by: Denys Fedoryshchenko <denys@visp.net.lb>
Cc: James Chapman <jchapman@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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