From 9e17afbb197452c9041dba4f01028191d38d1481 Mon Sep 17 00:00:00 2001
From: Joonwoo Park <joonwpark81@gmail.com>
Date: Fri, 18 Jan 2008 03:44:48 -0800
Subject: [PATCH] --- yaml --- r: 75609 b: refs/heads/master c:
 bd566e7525b5986864e8d6eb5b67640abcd284a9 h: refs/heads/master i:   75607:
 e5f56e24ee6a29132f5143a6ee09b2f13b7b9cbe v: v3

---
 [refs]                    | 2 +-
 trunk/net/ipv4/fib_hash.c | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 62147e15bc49..f56c73ca8e5b 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b3652b2dc5ec6ccd946ae9136b30c6babb81305a
+refs/heads/master: bd566e7525b5986864e8d6eb5b67640abcd284a9
diff --git a/trunk/net/ipv4/fib_hash.c b/trunk/net/ipv4/fib_hash.c
index 527a6e0af5b6..99071d79c5e7 100644
--- a/trunk/net/ipv4/fib_hash.c
+++ b/trunk/net/ipv4/fib_hash.c
@@ -444,6 +444,9 @@ static int fn_hash_insert(struct fib_table *tb, struct fib_config *cfg)
 			struct fib_info *fi_drop;
 			u8 state;
 
+			if (fi->fib_treeref > 1)
+				goto out;
+
 			write_lock_bh(&fib_hash_lock);
 			fi_drop = fa->fa_info;
 			fa->fa_info = fi;