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-rw-r--r--net/bridge/br_stp.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/net/bridge/br_stp.c b/net/bridge/br_stp.c
index 6ebe2a021e3c..8d7b4c7a1d54 100644
--- a/net/bridge/br_stp.c
+++ b/net/bridge/br_stp.c
@@ -234,7 +234,7 @@ static void br_record_config_timeout_values(struct net_bridge *br,
br->max_age = bpdu->max_age;
br->hello_time = bpdu->hello_time;
br->forward_delay = bpdu->forward_delay;
- br->topology_change = bpdu->topology_change;
+ __br_set_topology_change(br, bpdu->topology_change);
}
/* called under bridge lock */
@@ -344,7 +344,7 @@ void br_topology_change_detection(struct net_bridge *br)
isroot ? "propagating" : "sending tcn bpdu");
if (isroot) {
- br->topology_change = 1;
+ __br_set_topology_change(br, 1);
mod_timer(&br->topology_change_timer, jiffies
+ br->bridge_forward_delay + br->bridge_max_age);
} else if (!br->topology_change_detected) {
@@ -603,6 +603,12 @@ int br_set_ageing_time(struct net_bridge *br, clock_t ageing_time)
return 0;
}
+/* called under bridge lock */
+void __br_set_topology_change(struct net_bridge *br, unsigned char val)
+{
+ br->topology_change = val;
+}
+
void __br_set_forward_delay(struct net_bridge *br, unsigned long t)
{
br->bridge_forward_delay = t;