netdev - Re: [PATCH] ipv6: clear RTF_EXPIRES when call ip6_rt

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Message-ID: <1387201630.19078.228.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Mon, 16 Dec 2013 05:47:10 -0800
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	roy.qing.li@...il.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH] ipv6: clear RTF_EXPIRES when call ip6_rt_copy

On Mon, 2013-12-16 at 16:31 +0800, roy.qing.li@...il.com wrote:
> From: Li RongQing <roy.qing.li@...il.com>
> 
> The commit ecd9883724b [ipv6: fix race condition regarding dst->expires and
> dst->from.] removed rt6_clean_expires in ip6_rt_copy, which causes the TAHI
> test case v6LC.4.1.4 { Reduce PMTU On-link } failed, since the newly generated
> rt maybe always expired {with RTF_EXPIRES flag, dst.expires is 0, and dst.from
> is NULL}.
> 
> Fix it by clearing RTF_EXPIRES as before 1716a96101[ipv6: fix problem with
> expired dst cache]

Any particular reason you didnt CC the author of the commit ?

Thanks


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