[IPV6]: Support Source Address Selection API (RFC5014).

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index e7d8e74..3f68a6e 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -546,7 +546,9 @@
 			override = 0;
 		in6_ifa_put(ifp);
 	} else {
-		if (ipv6_dev_get_saddr(dev, daddr, &tmpaddr))
+		if (ipv6_dev_get_saddr(dev, daddr,
+				       inet6_sk(dev->nd_net->ipv6.ndisc_sk)->srcprefs,
+				       &tmpaddr))
 			return;
 		src_addr = &tmpaddr;
 	}