From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Tue, 17 May 2011 17:56:59 +0000 (-0400)
Subject: net: use hlist_del_rcu() in dev_change_name()
X-Git-Tag: v3.0-rc1~377^2~48^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=372b2312010bece1e36f577d6c99a6193ec54cbd;p=pandora-kernel.git

net: use hlist_del_rcu() in dev_change_name()

Using plain hlist_del() in dev_change_name() is wrong since a
concurrent reader can crash trying to dereference LIST_POISON1.

Bug introduced in commit 72c9528bab94 (net: Introduce
dev_get_by_name_rcu())

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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