diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index ddeb1b99838..7a0e351a510 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1205,6 +1205,7 @@ int ieee80211_reconfig(struct ieee80211_local *local)
 					     struct ieee80211_sub_if_data,
 					     u.ap);
 
+			memset(&sta->sta.drv_priv, 0, hw->sta_data_size);
 			WARN_ON(drv_sta_add(local, sdata, &sta->sta));
 		}
 	}