1 files changed, 2 insertions, 1 deletions

diff --git a/net/bridge/br_stp_if.c b/net/bridge/br_stp_if.c
index 0db8102995a5..6f12a5271219 100644
--- a/net/bridge/br_stp_if.c
+++ b/net/bridge/br_stp_if.c
@@ -179,7 +179,8 @@ static void br_stp_start(struct net_bridge *br)
                 br_debug(br, "using kernel STP\n");
 
                 /* To start timers on any ports left in blocking */
-                mod_timer(&br->hello_timer, jiffies + br->hello_time);
+                if (br->dev->flags & IFF_UP)
+                        mod_timer(&br->hello_timer, jiffies + br->hello_time);
                 br_port_state_selection(br);
         }