netdev - Re: [PATCH net] ipv4: mpls: fix mpls

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Message-Id: <20190825.143522.409239878215119714.davem@davemloft.net>
Date:   Sun, 25 Aug 2019 14:35:22 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     alexey.kodanev@...cle.com
Cc:     netdev@...r.kernel.org, dsahern@...il.com
Subject: Re: [PATCH net] ipv4: mpls: fix mpls_xmit for iptunnel

From: Alexey Kodanev <alexey.kodanev@...cle.com>
Date: Fri, 23 Aug 2019 20:51:43 +0300

> When using mpls over gre/gre6 setup, rt->rt_gw4 address is not set, the
> same for rt->rt_gw_family.  Therefore, when rt->rt_gw_family is checked
> in mpls_xmit(), neigh_xmit() call is skipped. As a result, such setup
> doesn't work anymore.
> 
> This issue was found with LTP mpls03 tests.
> 
> Fixes: 1550c171935d ("ipv4: Prepare rtable for IPv6 gateway")
> Signed-off-by: Alexey Kodanev <alexey.kodanev@...cle.com>

Applied and queued up for v5.2 -stable.

Thanks.