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Diffstat (limited to 'net/mac80211/agg-tx.c')
-rw-r--r--net/mac80211/agg-tx.c34
1 files changed, 10 insertions, 24 deletions
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index 5f8ab5be369f..595c662a61e8 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -392,7 +392,8 @@ int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
* telling the driver. New packets will not go through since
* the aggregation session is no longer OPERATIONAL.
*/
- synchronize_net();
+ if (!local->in_reconfig)
+ synchronize_net();
tid_tx->stop_initiator = reason == AGG_STOP_PEER_REQUEST ?
WLAN_BACK_RECIPIENT :
@@ -429,18 +430,12 @@ int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
*/
static void sta_addba_resp_timer_expired(struct timer_list *t)
{
- struct tid_ampdu_tx *tid_tx_timer =
- from_timer(tid_tx_timer, t, addba_resp_timer);
- struct sta_info *sta = tid_tx_timer->sta;
- u8 tid = tid_tx_timer->tid;
- struct tid_ampdu_tx *tid_tx;
+ struct tid_ampdu_tx *tid_tx = from_timer(tid_tx, t, addba_resp_timer);
+ struct sta_info *sta = tid_tx->sta;
+ u8 tid = tid_tx->tid;
/* check if the TID waits for addBA response */
- rcu_read_lock();
- tid_tx = rcu_dereference(sta->ampdu_mlme.tid_tx[tid]);
- if (!tid_tx ||
- test_bit(HT_AGG_STATE_RESPONSE_RECEIVED, &tid_tx->state)) {
- rcu_read_unlock();
+ if (test_bit(HT_AGG_STATE_RESPONSE_RECEIVED, &tid_tx->state)) {
ht_dbg(sta->sdata,
"timer expired on %pM tid %d not expecting addBA response\n",
sta->sta.addr, tid);
@@ -451,7 +446,6 @@ static void sta_addba_resp_timer_expired(struct timer_list *t)
sta->sta.addr, tid);
ieee80211_stop_tx_ba_session(&sta->sta, tid);
- rcu_read_unlock();
}
void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid)
@@ -529,29 +523,21 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid)
*/
static void sta_tx_agg_session_timer_expired(struct timer_list *t)
{
- struct tid_ampdu_tx *tid_tx_timer =
- from_timer(tid_tx_timer, t, session_timer);
- struct sta_info *sta = tid_tx_timer->sta;
- u8 tid = tid_tx_timer->tid;
- struct tid_ampdu_tx *tid_tx;
+ struct tid_ampdu_tx *tid_tx = from_timer(tid_tx, t, session_timer);
+ struct sta_info *sta = tid_tx->sta;
+ u8 tid = tid_tx->tid;
unsigned long timeout;
- rcu_read_lock();
- tid_tx = rcu_dereference(sta->ampdu_mlme.tid_tx[tid]);
- if (!tid_tx || test_bit(HT_AGG_STATE_STOPPING, &tid_tx->state)) {
- rcu_read_unlock();
+ if (test_bit(HT_AGG_STATE_STOPPING, &tid_tx->state)) {
return;
}
timeout = tid_tx->last_tx + TU_TO_JIFFIES(tid_tx->timeout);
if (time_is_after_jiffies(timeout)) {
mod_timer(&tid_tx->session_timer, timeout);
- rcu_read_unlock();
return;
}
- rcu_read_unlock();
-
ht_dbg(sta->sdata, "tx session timer expired on %pM tid %d\n",
sta->sta.addr, tid);