Re: [PATCH] [net-next] ip_tunnel: fix building with NET_IP_TUNNEL=m

[David Miller]

From: Arnd Bergmann <arnd@xxxxxxxx>
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@xxxxxxxx>

Applied, thanks Arnd.