From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH net] ipv6: change route cache aging logic
Date: Mon, 29 Jan 2018 14:23:05 -0500 (EST)
Message-ID: <20180129.142305.76893465926301867.davem@davemloft.net>
References: <20180126194017.48018-1-tracywwnj@gmail.com>
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        pabeni@redhat.com
To: weiwan@google.com
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From: Wei Wang <weiwan@google.com>
Date: Fri, 26 Jan 2018 11:40:17 -0800

> From: Wei Wang <weiwan@google.com>
> 
> In current route cache aging logic, if a route has both RTF_EXPIRE and
> RTF_GATEWAY set, the route will only be removed if the neighbor cache
> has no RTN_ROUTE flag. Otherwise, even if the route has expired, it
> won't get deleted.
> Fix this logic to always check if the route has expired first and then
> do the gateway neighbor cache check if previous check decide to not
> remove the exception entry.
> 
> Fixes: 1859bac04fb6 ("ipv6: remove from fib tree aged out RTF_CACHE dst")
> Signed-off-by: Wei Wang <weiwan@google.com>
> Signed-off-by: Eric Dumazet <edumazet@google.com>

Applied and queued up for -stable, thanks.