diff options
Diffstat (limited to 'net/bridge')
| -rw-r--r-- | net/bridge/br_netlink.c | 14 |
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; |