netdev - Re: [PATCH net-2.6] net: use hlist_del_rcu() in dev_change

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Date:	Tue, 17 May 2011 13:57:32 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH net-2.6] net: use hlist_del_rcu() in dev_change_name()

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Tue, 17 May 2011 18:21:00 +0200

> 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@...il.com>

Applied and queued up for -stable, thanks.
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