From: David Ahern <d...@cumulusnetworks.com>
Date: Thu, 3 Nov 2016 10:13:39 -0700
> icmp_send is called in response to some event. The skb may not have
> the device set (skb->dev is NULL), but it is expected to have an rt.
> Update icmp_route_lookup to use the rt on the skb to determine L3
> domain.
>
> Fixes: 613d09b30f8b ("net: Use VRF device index for lookups on TX")
> Signed-off-by: David Ahern <d...@cumulusnetworks.com>
"skb_dst(...)->dev" would be more direct and look nicer. No need to
use skb_rtable() just to walk backwards to the 'dst'.
