From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH net-next] net: Only honor ifindex in IP_PKTINFO if non-0
Date: Fri, 16 Feb 2018 16:43:16 -0500 (EST)
Message-ID: <20180216.164316.1601719296881855600.davem@davemloft.net>
References: <20180216190303.30769-1-dsahern@gmail.com>
Mime-Version: 1.0
Content-Type: Text/Plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Cc: netdev@vger.kernel.org
To: dsahern@gmail.com
Return-path: <netdev-owner@vger.kernel.org>
Received: from shards.monkeyblade.net ([184.105.139.130]:59452 "EHLO
        shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S1750849AbeBPVnS (ORCPT
        <rfc822;netdev@vger.kernel.org>); Fri, 16 Feb 2018 16:43:18 -0500
In-Reply-To: <20180216190303.30769-1-dsahern@gmail.com>
Sender: netdev-owner@vger.kernel.org
List-ID: <netdev.vger.kernel.org>

From: David Ahern <dsahern@gmail.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@gmail.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.