1 files changed, 3 insertions, 1 deletions

diff --git a/net/bridge/br_sysfs_br.c b/net/bridge/br_sysfs_br.c
index 6cc5cfe665cd..7ec0b76cdd27 100644
--- a/net/bridge/br_sysfs_br.c
+++ b/net/bridge/br_sysfs_br.c
@@ -149,7 +149,9 @@ static ssize_t show_stp_state(struct device *d,
 
 static void set_stp_state(struct net_bridge *br, unsigned long val)
 {
-        br->stp_enabled = val;
+        spin_unlock_bh(&br->lock);
+        br_stp_set_enabled(br, val);
+        spin_lock_bh(&br->lock);
 }
 
 static ssize_t store_stp_state(struct device *d,