From c4062dfc425e94290ac427a98d6b4721dd2bc91f Mon Sep 17 00:00:00 2001
From: "Erich E. Hoover" <ehoover@mines.edu>
Date: Wed, 8 Feb 2012 09:11:08 +0000
Subject: ipv6: Implement IPV6_UNICAST_IF socket option.

The IPV6_UNICAST_IF feature is the IPv6 compliment to IP_UNICAST_IF.

Signed-off-by: Erich E. Hoover <ehoover@mines.edu>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv6/udp.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'net/ipv6/udp.c')

diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 4f96b5c63685..8aebf8f90436 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -1130,7 +1130,8 @@ do_udp_sendmsg:
 	if (!fl6.flowi6_oif && ipv6_addr_is_multicast(&fl6.daddr)) {
 		fl6.flowi6_oif = np->mcast_oif;
 		connected = 0;
-	}
+	} else if (!fl6.flowi6_oif)
+		fl6.flowi6_oif = np->ucast_oif;
 
 	security_sk_classify_flow(sk, flowi6_to_flowi(&fl6));
 
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