netdev - Re: [PATCH] Avoid unnecessary temporary addresses being generated

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Message-Id: <20140312.154756.2041500360476257988.davem@davemloft.net>
Date:	Wed, 12 Mar 2014 15:47:56 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	heiner.kallweit@....de
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH] Avoid unnecessary temporary addresses being generated

From: Heiner Kallweit <heiner.kallweit@....de>
Date: Wed, 12 Mar 2014 20:41:15 +0100

> tmp_prefered_lft is an offset to ifp->tstamp, not now. Therefore
> age needs to be added to the condition.
> 
> Age calculation in ipv6_create_tempaddr is different from the one
> in addrconf_verify and doesn't consider ADDRCONF_TIMER_FUZZ_MINUS.
> This can cause age in ipv6_create_tempaddr to be less than the one
> in addrconf_verify and therefore unnecessary temporary address to
> be generated.
> Use age calculation as in addrconf_modify to avoid this.
> 
> Signed-off-by: Heiner Kallweit <heiner.kallweit@....de>

Please provide a proper subsystem prefix in your subject line,
after "[PATCH] ". In this case it would be "ipv6: ".

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