Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

Conflicts:
	net/mac80211/ht.c

4 files changed, 13 insertions, 17 deletions

diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c
index 614c65d62ae4..51c7dc3c4c3b 100644
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -86,10 +86,6 @@ void ieee80211_sta_stop_rx_ba_session(struct ieee80211_sub_if_data *sdata, u8 *r
         struct ieee80211_local *local = sdata->local;
         struct sta_info *sta;
 
-        /* stop HW Rx aggregation. ampdu_action existence
-         * already verified in session init so we add the BUG_ON */
-        BUG_ON(!local->ops->ampdu_action);
-
         rcu_read_lock();
 
         sta = sta_info_get(local, ra);
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index adf01fcd462e..5e3a7eccef5a 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -124,13 +124,18 @@ void ieee80211_send_bar(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid, u1
         ieee80211_tx_skb(sdata, skb);
 }
 
-static int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
-                                           enum ieee80211_back_parties initiator)
+int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
+                                    enum ieee80211_back_parties initiator)
 {
         struct ieee80211_local *local = sta->local;
         int ret;
         u8 *state;
 
+#ifdef CONFIG_MAC80211_HT_DEBUG
+        printk(KERN_DEBUG "Tx BA session stop requested for %pM tid %u\n",
+               sta->sta.addr, tid);
+#endif /* CONFIG_MAC80211_HT_DEBUG */
+
         state = &sta->ampdu_mlme.tid_state_tx[tid];
 
         if (*state == HT_AGG_STATE_OPERATIONAL)
@@ -145,7 +150,6 @@ static int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
 
         /* HW shall not deny going back to legacy */
         if (WARN_ON(ret)) {
-                *state = HT_AGG_STATE_OPERATIONAL;
                 /*
                  * We may have pending packets get stuck in this case...
                  * Not bothering with a workaround for now.
@@ -515,11 +519,6 @@ int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
                 goto unlock;
         }
 
-#ifdef CONFIG_MAC80211_HT_DEBUG
-        printk(KERN_DEBUG "Tx BA session stop requested for %pM tid %u\n",
-               sta->sta.addr, tid);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
-
         ret = ___ieee80211_stop_tx_ba_session(sta, tid, initiator);
 
  unlock:
@@ -534,7 +533,7 @@ int ieee80211_stop_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid,
         struct ieee80211_sub_if_data *sdata = sta->sdata;
         struct ieee80211_local *local = sdata->local;
 
-        if (WARN_ON(!local->ops->ampdu_action))
+        if (!local->ops->ampdu_action)
                 return -EINVAL;
 
         if (tid >= STA_TID_NUM)
diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c
index 15c9d4f94cee..3787455fb696 100644
--- a/net/mac80211/ht.c
+++ b/net/mac80211/ht.c
@@ -160,10 +160,9 @@ void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata,
                                                  WLAN_BACK_INITIATOR, 0);
         else { /* WLAN_BACK_RECIPIENT */
                 spin_lock_bh(&sta->lock);
-                sta->ampdu_mlme.tid_state_tx[tid] =
-                                HT_AGG_STATE_OPERATIONAL;
+                if (sta->ampdu_mlme.tid_state_tx[tid] & HT_ADDBA_REQUESTED_MSK)
+                        ___ieee80211_stop_tx_ba_session(sta, tid,
+                                                        WLAN_BACK_RECIPIENT);
                 spin_unlock_bh(&sta->lock);
-                ieee80211_stop_tx_ba_session(&sta->sta, tid,
-                                             WLAN_BACK_RECIPIENT);
         }
 }
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index ab2894211638..039affa7c871 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -995,6 +995,8 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
 
 int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
                                    enum ieee80211_back_parties initiator);
+int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
+                                    enum ieee80211_back_parties initiator);
 
 /* Spectrum management */
 void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata,