netdev - Re: [PATCH net] ipv6: simplify detection of first operational link-local address on interface

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Date:	Fri, 17 Jan 2014 18:10:33 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	hannes@...essinduktion.org
Cc:	jiri@...nulli.us, netdev@...r.kernel.org, fbl@...hat.com
Subject: Re: [PATCH net] ipv6: simplify detection of first operational
 link-local address on interface

From: Hannes Frederic Sowa <hannes@...essinduktion.org>
Date: Thu, 16 Jan 2014 20:13:04 +0100

> In commit 1ec047eb4751e3 ("ipv6: introduce per-interface counter for
> dad-completed ipv6 addresses") I build the detection of the first
> operational link-local address much to complex. Additionally this code
> now has a race condition.
> 
> Replace it with a much simpler variant, which just scans the address
> list when duplicate address detection completes, to check if this is
> the first valid link local address and send RS and MLD reports then.
> 
> Fixes: 1ec047eb4751e3 ("ipv6: introduce per-interface counter for dad-completed ipv6 addresses")
> Reported-by: Jiri Pirko <jiri@...nulli.us>
> Cc: Flavio Leitner <fbl@...hat.com>
> Signed-off-by: Hannes Frederic Sowa <hannes@...essinduktion.org>

Applied and queued up for -stable, thanks.
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