diff options
Diffstat (limited to 'net/mac80211/sta_info.c')
| -rw-r--r-- | net/mac80211/sta_info.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index 2db01e9541e7..f0d3b483dabd 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -822,10 +822,13 @@ static int __must_check __sta_info_destroy(struct sta_info *sta) * until the aggregation stop completes. Refer * http://thread.gmane.org/gmane.linux.kernel.wireless.general/81936 */ + + mutex_lock(&sta->ampdu_mlme.mtx); + for (i = 0; i < STA_TID_NUM; i++) { - if (!sta->ampdu_mlme.tid_tx[i]) + tid_tx = rcu_dereference_protected_tid_tx(sta, i); + if (!tid_tx) continue; - tid_tx = sta->ampdu_mlme.tid_tx[i]; if (skb_queue_len(&tid_tx->pending)) { #ifdef CONFIG_MAC80211_HT_DEBUG wiphy_debug(local->hw.wiphy, "TX A-MPDU purging %d " @@ -837,6 +840,8 @@ static int __must_check __sta_info_destroy(struct sta_info *sta) kfree_rcu(tid_tx, rcu_head); } + mutex_unlock(&sta->ampdu_mlme.mtx); + sta_info_free(local, sta); return 0; @@ -941,6 +946,9 @@ void ieee80211_sta_expire(struct ieee80211_sub_if_data *sdata, mutex_lock(&local->sta_mtx); list_for_each_entry_safe(sta, tmp, &local->sta_list, list) + if (sdata != sta->sdata) + continue; + if (time_after(jiffies, sta->last_rx + exp_time)) { #ifdef CONFIG_MAC80211_IBSS_DEBUG printk(KERN_DEBUG "%s: expiring inactive STA %pM\n", |