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-rw-r--r--net/bridge/br_stp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/bridge/br_stp.c b/net/bridge/br_stp.c
index c9ef3db737d9..6751ed4e0c07 100644
--- a/net/bridge/br_stp.c
+++ b/net/bridge/br_stp.c
@@ -186,7 +186,7 @@ static void br_record_config_information(struct net_bridge_port *p,
p->designated_cost = bpdu->root_path_cost;
p->designated_bridge = bpdu->bridge_id;
p->designated_port = bpdu->port_id;
- p->designated_age = jiffies + bpdu->message_age;
+ p->designated_age = jiffies - bpdu->message_age;
mod_timer(&p->message_age_timer, jiffies
+ (p->br->max_age - bpdu->message_age));