netdev - [PATCH] ipv6: make ipv6 bind honour non local bind as IPV4

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Date:	Thu,  9 Oct 2014 17:04:23 +0200
From:	michele.dionisio@...il.com
To:	netdev@...r.kernel.org, yoshfuji@...ux-ipv6.org
Cc:	Michele Dionisio <michele.dionisio@...il.com>
Subject: [PATCH] ipv6: make ipv6 bind honour non local bind as IPV4

From: Michele Dionisio <michele.dionisio@...il.com>

---
 net/ipv6/af_inet6.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 2daa3a1..e8ca2e6 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -342,7 +342,8 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
 			 */
 			v4addr = LOOPBACK4_IPV6;
 			if (!(addr_type & IPV6_ADDR_MULTICAST))	{
-				if (!(inet->freebind || inet->transparent) &&
+				if (!sysctl_ip_nonlocal_bind &&
+				    !(inet->freebind || inet->transparent) &&
 				    !ipv6_chk_addr(net, &addr->sin6_addr,
 						   dev, 0)) {
 					err = -EADDRNOTAVAIL;
-- 
2.1.1

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