From: Arnd Bergmann <a...@arndb.de>
Date: Wed, 25 May 2016 16:50:45 +0200
> A recent cleanup moved MAX_IPTUN_ENCAP_OPS along with some other
> definitions, but it is now invisible when CONFIG_INET is
> not defined, but still referenced from ip6_tunnel.h:
>
> In file included from net/xfrm/xfrm_input.c:17:0:
> include/net/ip6_tunnel.h:67:17: error: 'MAX_IPTUN_ENCAP_OPS' undeclared here
> (not in a function)
> ip6tun_encaps[MAX_IPTUN_ENCAP_OPS];
> ^~~~~~~~~~~~~~~~~~~
>
> This hides the ip6_encap_hlen and ip6_tnl_encap functions inside
> of CONFIG_INET so we don't run into the the problem.
>
> Alternatively we could move the macro out of the #ifdef again to
> restore the previous behavior
>
> Signed-off-by: Arnd Bergmann <a...@arndb.de>
> Fixes: 55c2bc143224 ("net: Cleanup encap items in ip_tunnels.h")
Applied.
