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Date:   Mon, 07 Nov 2016 13:16:27 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     dsa@...ulusnetworks.com
Cc:     netdev@...r.kernel.org
Subject: Re: [PATCH] net: icmp_route_lookup should use rt dev to determine
 L3 domain

From: David Ahern <dsa@...ulusnetworks.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 <dsa@...ulusnetworks.com>

"skb_dst(...)->dev" would be more direct and look nicer.  No need to
use skb_rtable() just to walk backwards to the 'dst'.

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