netdev - Re: [PATCH] IPv6: fix race between cleanup and add/delete address

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Date:	Thu, 04 Mar 2010 00:40:19 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	shemminger@...tta.com
Cc:	yoshfuji@...ux-ipv6.org, netdev@...r.kernel.org
Subject: Re: [PATCH] IPv6: fix race between cleanup and add/delete address

From: Stephen Hemminger <shemminger@...tta.com>
Date: Wed, 3 Mar 2010 10:19:59 -0800

> This solves a potential race problem during the cleanup process.
> The issue is that addrconf_ifdown() needs to traverse address list,
> but then drop lock to call the notifier. The version in -next
> could get confused if add/delete happened during this window.
> Original code (2.6.32 and earlier) was okay because all addresses
> were always deleted.
> 
> Signed-off-by: Stephen Hemminger <shemminger@...tta.com>

Applied.
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