From 7a2780691cf744256e730557903a571c56ad2444 Mon Sep 17 00:00:00 2001
From: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Date: Wed, 23 Aug 2006 17:21:29 -0700
Subject: [PATCH] --- yaml --- r: 34547 b: refs/heads/master c:
 825e288ef4c55a379a97e104c825eb9b74874099 h: refs/heads/master i:   34545:
 a4e95253d5be1ac787cc3cc7a38d190bf3c27786   34543:
 f1d785965528ae5707b3ef185e7fc8fe710b73b9 v: v3

---
 [refs]                   |  2 +-
 trunk/net/ipv6/ip6_fib.c | 23 ++++++++++++++++-------
 2 files changed, 17 insertions(+), 8 deletions(-)

diff --git a/[refs] b/[refs]
index 4ca3cf8b1232..b9f8e9336d85 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 3fc5e0440be7fab3abae4e801b0ef17e9b3b58c4
+refs/heads/master: 825e288ef4c55a379a97e104c825eb9b74874099
diff --git a/trunk/net/ipv6/ip6_fib.c b/trunk/net/ipv6/ip6_fib.c
index 5408b64f3b5f..19ee7375daa9 100644
--- a/trunk/net/ipv6/ip6_fib.c
+++ b/trunk/net/ipv6/ip6_fib.c
@@ -829,6 +829,9 @@ static struct fib6_node * fib6_lookup_1(struct fib6_node *root,
 	struct fib6_node *fn;
 	int dir;
 
+	if (unlikely(args->offset == 0))
+		return NULL;
+
 	/*
 	 *	Descend on a tree
 	 */
@@ -879,16 +882,22 @@ static struct fib6_node * fib6_lookup_1(struct fib6_node *root,
 struct fib6_node * fib6_lookup(struct fib6_node *root, struct in6_addr *daddr,
 			       struct in6_addr *saddr)
 {
-	struct lookup_args args[2];
 	struct fib6_node *fn;
-
-	args[0].offset = offsetof(struct rt6_info, rt6i_dst);
-	args[0].addr = daddr;
-
+	struct lookup_args args[] = {
+		{
+			.offset = offsetof(struct rt6_info, rt6i_dst),
+			.addr = daddr,
+		},
 #ifdef CONFIG_IPV6_SUBTREES
-	args[1].offset = offsetof(struct rt6_info, rt6i_src);
-	args[1].addr = saddr;
+		{
+			.offset = offsetof(struct rt6_info, rt6i_src),
+			.addr = saddr,
+		},
 #endif
+		{
+			.offset = 0,	/* sentinel */
+		}
+	};
 
 	fn = fib6_lookup_1(root, args);