1 files changed, 8 insertions, 6 deletions

diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index 3de0eefe2b82..c72083968768 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -81,17 +81,19 @@ static size_t br_get_link_af_size_filtered(const struct net_device *dev,
         struct net_port_vlans *pv;
         int num_vlan_infos;
 
+        rcu_read_lock();
         if (br_port_exists(dev))
-                pv = nbp_get_vlan_info(br_port_get_rtnl(dev));
+                pv = nbp_get_vlan_info(br_port_get_rcu(dev));
         else if (dev->priv_flags & IFF_EBRIDGE)
                 pv = br_get_vlan_info((struct net_bridge *)netdev_priv(dev));
         else
-                return 0;
-
-        if (!pv)
-                return 0;
+                pv = NULL;
+        if (pv)
+                num_vlan_infos = br_get_num_vlan_infos(pv, filter_mask);
+        else
+                num_vlan_infos = 0;
+        rcu_read_unlock();
 
-        num_vlan_infos = br_get_num_vlan_infos(pv, filter_mask);
         if (!num_vlan_infos)
                 return 0;