diff options
| -rw-r--r-- | net/bridge/br_stp.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/net/bridge/br_stp.c b/net/bridge/br_stp.c index b01849a7431..1c0a50f1322 100644 --- a/net/bridge/br_stp.c +++ b/net/bridge/br_stp.c @@ -225,7 +225,14 @@ static void br_record_config_timeout_values(struct net_bridge *br, /* called under bridge lock */ void br_transmit_tcn(struct net_bridge *br) { - br_send_tcn_bpdu(br_get_port(br, br->root_port)); + struct net_bridge_port *p; + + p = br_get_port(br, br->root_port); + if (p) + br_send_tcn_bpdu(p); + else + br_notice(br, "root port %u not found for topology notice\n", + br->root_port); } /* called under bridge lock */ |