diff options
Diffstat (limited to 'net/mac80211')
| -rw-r--r-- | net/mac80211/agg-tx.c | 17 | ||||
| -rw-r--r-- | net/mac80211/mlme.c | 9 |
2 files changed, 10 insertions, 16 deletions
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c index e90911819ed4..13b7683de5a4 100644 --- a/net/mac80211/agg-tx.c +++ b/net/mac80211/agg-tx.c @@ -296,7 +296,7 @@ int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, IEEE80211_AMPDU_TX_STOP_FLUSH_CONT, &sta->sta, tid, NULL, 0); WARN_ON_ONCE(ret); - goto remove_tid_tx; + return 0; } if (test_bit(HT_AGG_STATE_WANT_START, &tid_tx->state)) { @@ -354,12 +354,15 @@ int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, */ } - if (reason == AGG_STOP_DESTROY_STA) { - remove_tid_tx: - spin_lock_bh(&sta->lock); - ieee80211_remove_tid_tx(sta, tid); - spin_unlock_bh(&sta->lock); - } + /* + * In the case of AGG_STOP_DESTROY_STA, the driver won't + * necessarily call ieee80211_stop_tx_ba_cb(), so this may + * seem like we can leave the tid_tx data pending forever. + * This is true, in a way, but "forever" is only until the + * station struct is actually destroyed. In the meantime, + * leaving it around ensures that we don't transmit packets + * to the driver on this TID which might confuse it. + */ return 0; } diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 344ef7d47c1a..62e8f890fed6 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -1487,7 +1487,6 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata, { struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; struct ieee80211_local *local = sdata->local; - struct sta_info *sta; u32 changed = 0; ASSERT_MGD_MTX(ifmgd); @@ -1519,14 +1518,6 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata, netif_tx_stop_all_queues(sdata->dev); netif_carrier_off(sdata->dev); - mutex_lock(&local->sta_mtx); - sta = sta_info_get(sdata, ifmgd->bssid); - if (sta) { - set_sta_flag(sta, WLAN_STA_BLOCK_BA); - ieee80211_sta_tear_down_BA_sessions(sta, AGG_STOP_DESTROY_STA); - } - mutex_unlock(&local->sta_mtx); - /* * if we want to get out of ps before disassoc (why?) we have * to do it before sending disassoc, as otherwise the null-packet |