From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH net-next 0/2] net: mpls: multipath route cleanups
Date: Mon, 27 Mar 2017 14:12:04 -0700 (PDT)
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From: David Ahern <dsa@cumulusnetworks.com>
Date: Fri, 24 Mar 2017 15:21:55 -0700

> When a device associated with a nexthop is deleted, the nexthop in
> the route is effectively removed, so remove it from the route dump.
> 
> Further, when all nexhops have been deleted the route is effectively
> done, so remove the route. 

Series applied, but I agree with Roopa that you need to add that nexthop
NULL device check to lfib_nlmsg_size() too.