Commit db57dc7c authored by Vincent Bernat's avatar Vincent Bernat Committed by David S. Miller
Browse files

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



Fixes: 83ba4645 ("net: add helpers checking if socket can be bound to nonlocal address")
Signed-off-by: default avatarVincent Bernat <vincent@bernat.im>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b69ab96a

include/net/ipv6.h

+7 −7
Original line number Diff line number Diff line
@@ -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