netdev - Re: [PATCH net-next] net: Only honor ifindex in IP

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Date:   Fri, 16 Feb 2018 16:43:16 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     dsahern@...il.com
Cc:     netdev@...r.kernel.org
Subject: Re: [PATCH net-next] net: Only honor ifindex in IP_PKTINFO if non-0

From: David Ahern <dsahern@...il.com>
Date: Fri, 16 Feb 2018 11:03:03 -0800

> Only allow ifindex from IP_PKTINFO to override SO_BINDTODEVICE settings
> if the index is actually set in the message.
> 
> Signed-off-by: David Ahern <dsahern@...il.com>

Ok, this behavior meets reasonable expectations, applied, thanks.

None of the documation is clear about this relationship between
ip_pktinfo's ifindex and settings made by SO_BINDTODEVICE.