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-rw-r--r--net/bridge/br_stp.c25
1 files changed, 18 insertions, 7 deletions
diff --git a/net/bridge/br_stp.c b/net/bridge/br_stp.c
index 921bbe5cb94a..6e63ec3f1fcf 100644
--- a/net/bridge/br_stp.c
+++ b/net/bridge/br_stp.c
@@ -368,14 +368,25 @@ static void br_make_blocking(struct net_bridge_port *p)
/* called under bridge lock */
static void br_make_forwarding(struct net_bridge_port *p)
{
- if (p->state == BR_STATE_BLOCKING) {
- if (p->br->stp_enabled == BR_KERNEL_STP)
- p->state = BR_STATE_LISTENING;
- else
- p->state = BR_STATE_LEARNING;
+ struct net_bridge *br = p->br;
- br_log_state(p);
- mod_timer(&p->forward_delay_timer, jiffies + p->br->forward_delay); }
+ if (p->state != BR_STATE_BLOCKING)
+ return;
+
+ if (br->forward_delay == 0) {
+ p->state = BR_STATE_FORWARDING;
+ br_topology_change_detection(br);
+ del_timer(&p->forward_delay_timer);
+ }
+ else if (p->br->stp_enabled == BR_KERNEL_STP)
+ p->state = BR_STATE_LISTENING;
+ else
+ p->state = BR_STATE_LEARNING;
+
+ br_log_state(p);
+
+ if (br->forward_delay != 0)
+ mod_timer(&p->forward_delay_timer, jiffies + br->forward_delay);
}
/* called under bridge lock */