linux-kernel - Re: [PATCH] [net-next] ip_tunnel: fix building with NET_IP

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Date:   Thu, 12 Oct 2017 12:21:24 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     arnd@...db.de
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] [net-next] ip_tunnel: fix building with NET_IP_TUNNEL=m

From: Arnd Bergmann <arnd@...db.de>
Date: Wed, 11 Oct 2017 15:55:31 +0200

> When af_mpls is built-in but the tunnel support is a module,
> we get a link failure:
> 
> net/mpls/af_mpls.o: In function `mpls_init':
> af_mpls.c:(.init.text+0xdc): undefined reference to `ip_tunnel_encap_add_ops'
> 
> This adds a Kconfig statement to prevent the broken
> configuration and force mpls to be a module as well in
> this case.
> 
> Fixes: bdc476413dcd ("ip_tunnel: add mpls over gre support")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Applied, thanks Arnd.