net: don't declare IPv6 non-local bind helper if CONFIG_IPV6 undefined

Fixes: 83ba4645152d ("net: add helpers checking if socket can be bound to nonlocal address")
Signed-off-by: Vincent Bernat <vincent@bernat.im>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 82deb684ba73fb415114dd12e72d1a1965ce743a..ff33f498c1373c86886ea579532412fa4eb0285d 100644 (file)
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -766,13 +766,6 @@ static inline int ip6_sk_dst_hoplimit(struct ipv6_pinfo *np, struct flowi6 *fl6,
        return hlimit;
 }
 
-static inline bool ipv6_can_nonlocal_bind(struct net *net,
-                                         struct inet_sock *inet)
-{
-       return net->ipv6.sysctl.ip_nonlocal_bind ||
-               inet->freebind || inet->transparent;
-}
-
 /* copy IPv6 saddr & daddr to flow_keys, possibly using 64bit load/store
  * Equivalent to :     flow->v6addrs.src = iph->saddr;
  *                     flow->v6addrs.dst = iph->daddr;
@@ -789,6 +782,13 @@ static inline void iph_to_flow_copy_v6addrs(struct flow_keys *flow,
 
 #if IS_ENABLED(CONFIG_IPV6)
 
+static inline bool ipv6_can_nonlocal_bind(struct net *net,
+                                         struct inet_sock *inet)
+{
+       return net->ipv6.sysctl.ip_nonlocal_bind ||
+               inet->freebind || inet->transparent;
+}
+
 /* Sysctl settings for net ipv6.auto_flowlabels */
 #define IP6_AUTO_FLOW_LABEL_OFF                0
 #define IP6_AUTO_FLOW_LABEL_OPTOUT     1