From 1d87e7927d99ba3a07c3e70341df1d147644be05 Mon Sep 17 00:00:00 2001
From: Li Yewang <lyw@nanjing-fnst.com>
Date: Tue, 30 Jan 2007 14:33:20 -0800
Subject: [PATCH] --- yaml --- r: 46013 b: refs/heads/master c:
 29556526b970c2e7d4ca808b6082c33981adfdff h: refs/heads/master i:   46011:
 81bc31318de2551333b1fd266d8b53a1e2a3a214 v: v3

---
 [refs]                 | 2 +-
 trunk/net/ipv6/ndisc.c | 7 +++++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index fc6457128c5f..ac85560f9bf6 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: fa03ef38e1516c1f35f6a189100186dded0f8f8c
+refs/heads/master: 29556526b970c2e7d4ca808b6082c33981adfdff
diff --git a/trunk/net/ipv6/ndisc.c b/trunk/net/ipv6/ndisc.c
index 6a9f616de37d..39bb658f3c44 100644
--- a/trunk/net/ipv6/ndisc.c
+++ b/trunk/net/ipv6/ndisc.c
@@ -1413,6 +1413,13 @@ void ndisc_send_redirect(struct sk_buff *skb, struct neighbour *neigh,
  		return;
  	}
 
+	if (!ipv6_addr_equal(&skb->nh.ipv6h->daddr, target) &&
+	    !(ipv6_addr_type(target) & IPV6_ADDR_LINKLOCAL)) {
+		ND_PRINTK2(KERN_WARNING
+			"ICMPv6 Redirect: target address is not link-local.\n");
+		return;
+	}
+
 	ndisc_flow_init(&fl, NDISC_REDIRECT, &saddr_buf, &skb->nh.ipv6h->saddr,
 			dev->ifindex);