diff options
| -rw-r--r-- | net/bridge/br_fdb.c | 3 | ||||
| -rw-r--r-- | net/bridge/br_mdb.c | 3 | ||||
| -rw-r--r-- | net/bridge/br_vlan.c | 3 |
3 files changed, 9 insertions, 0 deletions
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c index 2b862cffc03a..47f190b6bfa3 100644 --- a/net/bridge/br_fdb.c +++ b/net/bridge/br_fdb.c @@ -760,6 +760,9 @@ int br_fdb_replay(const struct net_device *br_dev, const struct net_device *dev, unsigned long action; int err = 0; + if (!nb) + return 0; + if (!netif_is_bridge_master(br_dev)) return -EINVAL; diff --git a/net/bridge/br_mdb.c b/net/bridge/br_mdb.c index 25d690b96cec..e58f1a4ac962 100644 --- a/net/bridge/br_mdb.c +++ b/net/bridge/br_mdb.c @@ -617,6 +617,9 @@ int br_mdb_replay(struct net_device *br_dev, struct net_device *dev, ASSERT_RTNL(); + if (!nb) + return 0; + if (!netif_is_bridge_master(br_dev) || !netif_is_bridge_port(dev)) return -EINVAL; diff --git a/net/bridge/br_vlan.c b/net/bridge/br_vlan.c index e66b004df763..45ef07f682f1 100644 --- a/net/bridge/br_vlan.c +++ b/net/bridge/br_vlan.c @@ -1856,6 +1856,9 @@ int br_vlan_replay(struct net_device *br_dev, struct net_device *dev, ASSERT_RTNL(); + if (!nb) + return 0; + if (!netif_is_bridge_master(br_dev)) return -EINVAL; |