diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c index ebadb9ac9a7e..fd1aaf2a4a6c 100644 --- a/net/mac80211/agg-rx.c +++ b/net/mac80211/agg-rx.c @@ -104,14 +104,22 @@ void ieee80211_stop_rx_ba_session(struct ieee80211_vif *vif, u16 ba_rx_bitmap, const u8 *addr) { struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); - struct sta_info *sta = sta_info_get(sdata, addr); + struct sta_info *sta; int i; + rcu_read_lock(); + sta = sta_info_get(sdata, addr); + if (!sta) { + rcu_read_unlock(); + return; + } + for (i = 0; i < STA_TID_NUM; i++) if (ba_rx_bitmap & BIT(i)) set_bit(i, sta->ampdu_mlme.tid_rx_stop_requested); ieee80211_queue_work(&sta->local->hw, &sta->ampdu_mlme.work); + rcu_read_unlock(); } EXPORT_SYMBOL(ieee80211_stop_rx_ba_session);