3 files changed, 25 insertions, 1 deletions

diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h
index 1e8a89f1002a..b26bb8101981 100644
--- a/include/net/ip6_fib.h
+++ b/include/net/ip6_fib.h
@@ -199,6 +199,10 @@ struct fib6_node		*fib6_locate(struct fib6_node *root,
 					     const struct in6_addr *daddr, int dst_len,
 					     const struct in6_addr *saddr, int src_len);
 
+extern void			fib6_clean_all_ro(struct net *net,
+					       int (*func)(struct rt6_info *, void *arg),
+					       int prune, void *arg);
+
 extern void			fib6_clean_all(struct net *net,
 					       int (*func)(struct rt6_info *, void *arg),
 					       int prune, void *arg);
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 246d8e403f26..b82bcde53f7a 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -1462,6 +1462,26 @@ static void fib6_clean_tree(struct net *net, struct fib6_node *root,
 	fib6_walk(&c.w);
 }
 
+void fib6_clean_all_ro(struct net *net, int (*func)(struct rt6_info *, void *arg),
+		    int prune, void *arg)
+{
+	struct fib6_table *table;
+	struct hlist_node *node;
+	struct hlist_head *head;
+	unsigned int h;
+
+	rcu_read_lock();
+	for (h = 0; h < FIB6_TABLE_HASHSZ; h++) {
+		head = &net->ipv6.fib_table_hash[h];
+		hlist_for_each_entry_rcu(table, node, head, tb6_hlist) {
+			read_lock_bh(&table->tb6_lock);
+			fib6_clean_tree(net, &table->tb6_root,
+					func, prune, arg);
+			read_unlock_bh(&table->tb6_lock);
+		}
+	}
+	rcu_read_unlock();
+}
 void fib6_clean_all(struct net *net, int (*func)(struct rt6_info *, void *arg),
 		    int prune, void *arg)
 {
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 4a62c47599b4..07361dfa8085 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2680,7 +2680,7 @@ static int rt6_info_route(struct rt6_info *rt, void *p_arg)
 static int ipv6_route_show(struct seq_file *m, void *v)
 {
 	struct net *net = (struct net *)m->private;
-	fib6_clean_all(net, rt6_info_route, 0, m);
+	fib6_clean_all_ro(net, rt6_info_route, 0, m);
 	return 0;
 }