diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 96ab130..866f269 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -1090,6 +1090,8 @@
 		ieee80211s_stop();
 
 	ieee80211_iface_exit();
+
+	rcu_barrier();
 }