tunneling: Add missing rcu_dereference() to cache cleaner.

[sliver-openvswitch.git] / datapath / tunnel.c

diff --git a/datapath/tunnel.c b/datapath/tunnel.c
index 271651b..aae3f3d 100644 (file)
--- a/datapath/tunnel.c
+++ b/datapath/tunnel.c
@@ -818,7 +818,7 @@ static void cache_cleaner(struct work_struct *work)
        schedule_cache_cleaner();
 
        rcu_read_lock();
-       tbl_foreach(port_table, cache_cleaner_cb, NULL);
+       tbl_foreach(rcu_dereference(port_table), cache_cleaner_cb, NULL);
        rcu_read_unlock();
 }