netdev - Re: [PATCH net v5] net/ipv6: Add anycast addresses to a global hashtable

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Date:   Wed, 31 Oct 2018 20:53:57 -0600
From:   David Ahern <dsahern@...il.com>
To:     Jeff Barnhill <0xeffeff@...il.com>, davem@...emloft.net
Cc:     netdev@...r.kernel.org, Alexey Kuznetsov <kuznet@....inr.ac.ru>,
        yoshfuji@...ux-ipv6.org
Subject: Re: [PATCH net v5] net/ipv6: Add anycast addresses to a global
 hashtable

On 10/31/18 6:02 PM, Jeff Barnhill wrote:
> I'll follow this email with a new patch using ifacaddr6 instead of
> creating a new struct. I ended up using fib6_nh.nh_dev to get the net,
> instead of adding a back pointer to idev.  It seems that idev was
> recently removed in lieu of this, so if this is incorrect, please let
> me know. Hopefully, I got the locking correct.

That's correct. Make sure that the anycast code can not be accessed for
reject routes which will not have a device set. Should be ok, but double
check.