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ipv6: hide ip6_encap_hlen/ip6_tnl_encap definitions 

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 <arnd@arndb.de>
Fixes: 55c2bc1432 ("net: Cleanup encap items in ip_tunnels.h")
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arnd Bergmann 2016-05-25 16:50:45 +02:00 committed by David S. Miller
parent b7e7ad611e
commit 9791d8e762
1 changed files with 2 additions and 1 deletions
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3
include/net/ip6_tunnel.h
View File

@ -63,6 +63,8 @@ struct ip6_tnl_encap_ops {
u8 *protocol, struct flowi6 *fl6);
};
#ifdef CONFIG_INET
extern const struct ip6_tnl_encap_ops __rcu *
ip6tun_encaps[MAX_IPTUN_ENCAP_OPS];
@ -138,7 +140,6 @@ struct net *ip6_tnl_get_link_net(const struct net_device *dev);
int ip6_tnl_get_iflink(const struct net_device *dev);
int ip6_tnl_change_mtu(struct net_device *dev, int new_mtu);
#ifdef CONFIG_INET
static inline void ip6tunnel_xmit(struct sock *sk, struct sk_buff *skb,
struct net_device *dev)
{