8139cp: fix checksum broken

[net-next-2.6.git] / net / core / net_namespace.c

diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index c988e685433acad2bb471097d79ec024509cee9d..3f860261c5eea2be402ed0556a3a8b3f6fd7fc9b 100644 (file)
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -42,7 +42,9 @@ static int net_assign_generic(struct net *net, int id, void *data)
        BUG_ON(!mutex_is_locked(&net_mutex));
        BUG_ON(id == 0);
 
-       ng = old_ng = net->gen;
+       old_ng = rcu_dereference_protected(net->gen,
+                                          lockdep_is_held(&net_mutex));
+       ng = old_ng;
        if (old_ng->len >= id)
                goto assign;