diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 699d97b..3cef80d 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -602,6 +602,7 @@
 	 */
 
 	if (params->station_flags & STATION_FLAG_CHANGED) {
+		spin_lock_bh(&sta->lock);
 		sta->flags &= ~WLAN_STA_AUTHORIZED;
 		if (params->station_flags & STATION_FLAG_AUTHORIZED)
 			sta->flags |= WLAN_STA_AUTHORIZED;
@@ -613,6 +614,7 @@
 		sta->flags &= ~WLAN_STA_WME;
 		if (params->station_flags & STATION_FLAG_WME)
 			sta->flags |= WLAN_STA_WME;
+		spin_unlock_bh(&sta->lock);
 	}
 
 	/*
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index 676a932..1f00273 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -74,14 +74,15 @@
 {
 	char buf[100];
 	struct sta_info *sta = file->private_data;
+	u32 staflags = get_sta_flags(sta);
 	int res = scnprintf(buf, sizeof(buf), "%s%s%s%s%s%s%s",
-		sta->flags & WLAN_STA_AUTH ? "AUTH\n" : "",
-		sta->flags & WLAN_STA_ASSOC ? "ASSOC\n" : "",
-		sta->flags & WLAN_STA_PS ? "PS\n" : "",
-		sta->flags & WLAN_STA_AUTHORIZED ? "AUTHORIZED\n" : "",
-		sta->flags & WLAN_STA_SHORT_PREAMBLE ? "SHORT PREAMBLE\n" : "",
-		sta->flags & WLAN_STA_WME ? "WME\n" : "",
-		sta->flags & WLAN_STA_WDS ? "WDS\n" : "");
+		staflags & WLAN_STA_AUTH ? "AUTH\n" : "",
+		staflags & WLAN_STA_ASSOC ? "ASSOC\n" : "",
+		staflags & WLAN_STA_PS ? "PS\n" : "",
+		staflags & WLAN_STA_AUTHORIZED ? "AUTHORIZED\n" : "",
+		staflags & WLAN_STA_SHORT_PREAMBLE ? "SHORT PREAMBLE\n" : "",
+		staflags & WLAN_STA_WME ? "WME\n" : "",
+		staflags & WLAN_STA_WDS ? "WDS\n" : "");
 	return simple_read_from_buffer(userbuf, count, ppos, buf, res);
 }
 STA_OPS(flags);
diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index 88b211a..d4893bd 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -321,7 +321,7 @@
 		 * some hardware cannot handle TKIP with QoS, so
 		 * we indicate whether QoS could be in use.
 		 */
-		if (sta->flags & WLAN_STA_WME)
+		if (test_sta_flags(sta, WLAN_STA_WME))
 			key->conf.flags |= IEEE80211_KEY_FLAG_WMM_STA;
 
 		/*
@@ -342,7 +342,7 @@
 			/* same here, the AP could be using QoS */
 			ap = sta_info_get(key->local, key->sdata->u.sta.bssid);
 			if (ap) {
-				if (ap->flags & WLAN_STA_WME)
+				if (test_sta_flags(ap, WLAN_STA_WME))
 					key->conf.flags |=
 						IEEE80211_KEY_FLAG_WMM_STA;
 			}
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 55e7611..f277407 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -346,6 +346,7 @@
 			goto err_del_interface;
 		}
 
+		/* no locking required since STA is not live yet */
 		sta->flags |= WLAN_STA_AUTHORIZED;
 
 		res = sta_info_insert(sta);
@@ -588,7 +589,7 @@
 		return -ENOENT;
 	}
 
-	spin_lock_bh(&sta->ampdu_mlme.ampdu_tx);
+	spin_lock_bh(&sta->lock);
 
 	/* we have tried too many times, receiver does not want A-MPDU */
 	if (sta->ampdu_mlme.addba_req_num[tid] > HT_AGG_MAX_RETRIES) {
@@ -691,7 +692,7 @@
 	spin_unlock_bh(&local->mdev->queue_lock);
 	ret = -EBUSY;
 start_ba_exit:
-	spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx);
+	spin_unlock_bh(&sta->lock);
 	rcu_read_unlock();
 	return ret;
 }
@@ -719,7 +720,7 @@
 
 	/* check if the TID is in aggregation */
 	state = &sta->ampdu_mlme.tid_state_tx[tid];
-	spin_lock_bh(&sta->ampdu_mlme.ampdu_tx);
+	spin_lock_bh(&sta->lock);
 
 	if (*state != HT_AGG_STATE_OPERATIONAL) {
 		ret = -ENOENT;
@@ -749,7 +750,7 @@
 	}
 
 stop_BA_exit:
-	spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx);
+	spin_unlock_bh(&sta->lock);
 	rcu_read_unlock();
 	return ret;
 }
@@ -778,12 +779,12 @@
 	}
 
 	state = &sta->ampdu_mlme.tid_state_tx[tid];
-	spin_lock_bh(&sta->ampdu_mlme.ampdu_tx);
+	spin_lock_bh(&sta->lock);
 
 	if (!(*state & HT_ADDBA_REQUESTED_MSK)) {
 		printk(KERN_DEBUG "addBA was not requested yet, state is %d\n",
 				*state);
-		spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx);
+		spin_unlock_bh(&sta->lock);
 		rcu_read_unlock();
 		return;
 	}
@@ -796,7 +797,7 @@
 		printk(KERN_DEBUG "Aggregation is on for tid %d \n", tid);
 		ieee80211_wake_queue(hw, sta->tid_to_tx_q[tid]);
 	}
-	spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx);
+	spin_unlock_bh(&sta->lock);
 	rcu_read_unlock();
 }
 EXPORT_SYMBOL(ieee80211_start_tx_ba_cb);
@@ -830,10 +831,10 @@
 	}
 	state = &sta->ampdu_mlme.tid_state_tx[tid];
 
-	spin_lock_bh(&sta->ampdu_mlme.ampdu_tx);
+	spin_lock_bh(&sta->lock);
 	if ((*state & HT_AGG_STATE_REQ_STOP_BA_MSK) == 0) {
 		printk(KERN_DEBUG "unexpected callback to A-MPDU stop\n");
-		spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx);
+		spin_unlock_bh(&sta->lock);
 		rcu_read_unlock();
 		return;
 	}
@@ -860,7 +861,7 @@
 	sta->ampdu_mlme.addba_req_num[tid] = 0;
 	kfree(sta->ampdu_mlme.tid_tx[tid]);
 	sta->ampdu_mlme.tid_tx[tid] = NULL;
-	spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx);
+	spin_unlock_bh(&sta->lock);
 
 	rcu_read_unlock();
 }
@@ -1315,7 +1316,7 @@
 	 * packet. If the STA went to power save mode, this will happen
 	 * happen when it wakes up for the next time.
 	 */
-	sta->flags |= WLAN_STA_CLEAR_PS_FILT;
+	set_sta_flags(sta, WLAN_STA_CLEAR_PS_FILT);
 
 	/*
 	 * This code races in the following way:
@@ -1347,7 +1348,7 @@
 	 *      can be unknown, for example with different interrupt status
 	 *	bits.
 	 */
-	if (sta->flags & WLAN_STA_PS &&
+	if (test_sta_flags(sta, WLAN_STA_PS) &&
 	    skb_queue_len(&sta->tx_filtered) < STA_MAX_TX_BUFFER) {
 		ieee80211_remove_tx_extra(local, sta->key, skb,
 					  &status->control);
@@ -1355,7 +1356,7 @@
 		return;
 	}
 
-	if (!(sta->flags & WLAN_STA_PS) &&
+	if (!test_sta_flags(sta, WLAN_STA_PS) &&
 	    !(status->control.flags & IEEE80211_TXCTL_REQUEUE)) {
 		/* Software retry the packet once */
 		status->control.flags |= IEEE80211_TXCTL_REQUEUE;
@@ -1370,7 +1371,7 @@
 		       "queue_len=%d PS=%d @%lu\n",
 		       wiphy_name(local->hw.wiphy),
 		       skb_queue_len(&sta->tx_filtered),
-		       !!(sta->flags & WLAN_STA_PS), jiffies);
+		       !!test_sta_flags(sta, WLAN_STA_PS), jiffies);
 	dev_kfree_skb(skb);
 }
 
@@ -1399,7 +1400,7 @@
 		struct sta_info *sta;
 		sta = sta_info_get(local, hdr->addr1);
 		if (sta) {
-			if (sta->flags & WLAN_STA_PS) {
+			if (test_sta_flags(sta, WLAN_STA_PS)) {
 				/*
 				 * The STA is in power save mode, so assume
 				 * that this TX packet failed because of that.
diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index 37f0c2b..9efeb1f 100644
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -79,7 +79,7 @@
  *
  * @sta: mes peer link to restart
  *
- * Locking: this function must be called holding sta->plink_lock
+ * Locking: this function must be called holding sta->lock
  */
 static inline void mesh_plink_fsm_restart(struct sta_info *sta)
 {
@@ -105,7 +105,7 @@
 	if (!sta)
 		return NULL;
 
-	sta->flags |= WLAN_STA_AUTHORIZED;
+	sta->flags = WLAN_STA_AUTHORIZED;
 	sta->supp_rates[local->hw.conf.channel->band] = rates;
 
 	return sta;
@@ -118,7 +118,7 @@
  *
  * All mesh paths with this peer as next hop will be flushed
  *
- * Locking: the caller must hold sta->plink_lock
+ * Locking: the caller must hold sta->lock
  */
 static void __mesh_plink_deactivate(struct sta_info *sta)
 {
@@ -139,9 +139,9 @@
  */
 void mesh_plink_deactivate(struct sta_info *sta)
 {
-	spin_lock_bh(&sta->plink_lock);
+	spin_lock_bh(&sta->lock);
 	__mesh_plink_deactivate(sta);
-	spin_unlock_bh(&sta->plink_lock);
+	spin_unlock_bh(&sta->lock);
 }
 
 static int mesh_plink_frame_tx(struct net_device *dev,
@@ -270,10 +270,10 @@
 	 */
 	sta = (struct sta_info *) data;
 
-	spin_lock_bh(&sta->plink_lock);
+	spin_lock_bh(&sta->lock);
 	if (sta->ignore_plink_timer) {
 		sta->ignore_plink_timer = false;
-		spin_unlock_bh(&sta->plink_lock);
+		spin_unlock_bh(&sta->lock);
 		return;
 	}
 	mpl_dbg("Mesh plink timer for %s fired on state %d\n",
@@ -298,7 +298,7 @@
 					     rand % sta->plink_timeout;
 			++sta->plink_retries;
 			mod_plink_timer(sta, sta->plink_timeout);
-			spin_unlock_bh(&sta->plink_lock);
+			spin_unlock_bh(&sta->lock);
 			mesh_plink_frame_tx(dev, PLINK_OPEN, sta->addr, llid,
 					    0, 0);
 			break;
@@ -311,7 +311,7 @@
 			reason = cpu_to_le16(MESH_CONFIRM_TIMEOUT);
 		sta->plink_state = PLINK_HOLDING;
 		mod_plink_timer(sta, dot11MeshHoldingTimeout(sdata));
-		spin_unlock_bh(&sta->plink_lock);
+		spin_unlock_bh(&sta->lock);
 		mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid, plid,
 				    reason);
 		break;
@@ -319,10 +319,10 @@
 		/* holding timer */
 		del_timer(&sta->plink_timer);
 		mesh_plink_fsm_restart(sta);
-		spin_unlock_bh(&sta->plink_lock);
+		spin_unlock_bh(&sta->lock);
 		break;
 	default:
-		spin_unlock_bh(&sta->plink_lock);
+		spin_unlock_bh(&sta->lock);
 		break;
 	}
 }
@@ -344,16 +344,16 @@
 	DECLARE_MAC_BUF(mac);
 #endif
 
-	spin_lock_bh(&sta->plink_lock);
+	spin_lock_bh(&sta->lock);
 	get_random_bytes(&llid, 2);
 	sta->llid = llid;
 	if (sta->plink_state != PLINK_LISTEN) {
-		spin_unlock_bh(&sta->plink_lock);
+		spin_unlock_bh(&sta->lock);
 		return -EBUSY;
 	}
 	sta->plink_state = PLINK_OPN_SNT;
 	mesh_plink_timer_set(sta, dot11MeshRetryTimeout(sdata));
-	spin_unlock_bh(&sta->plink_lock);
+	spin_unlock_bh(&sta->lock);
 	mpl_dbg("Mesh plink: starting establishment with %s\n",
 		print_mac(mac, sta->addr));
 
@@ -367,10 +367,10 @@
 	DECLARE_MAC_BUF(mac);
 #endif
 
-	spin_lock_bh(&sta->plink_lock);
+	spin_lock_bh(&sta->lock);
 	__mesh_plink_deactivate(sta);
 	sta->plink_state = PLINK_BLOCKED;
-	spin_unlock_bh(&sta->plink_lock);
+	spin_unlock_bh(&sta->lock);
 }
 
 int mesh_plink_close(struct sta_info *sta)
@@ -383,14 +383,14 @@
 
 	mpl_dbg("Mesh plink: closing link with %s\n",
 			print_mac(mac, sta->addr));
-	spin_lock_bh(&sta->plink_lock);
+	spin_lock_bh(&sta->lock);
 	sta->reason = cpu_to_le16(MESH_LINK_CANCELLED);
 	reason = sta->reason;
 
 	if (sta->plink_state == PLINK_LISTEN ||
 	    sta->plink_state == PLINK_BLOCKED) {
 		mesh_plink_fsm_restart(sta);
-		spin_unlock_bh(&sta->plink_lock);
+		spin_unlock_bh(&sta->lock);
 		return 0;
 	} else if (sta->plink_state == PLINK_ESTAB) {
 		__mesh_plink_deactivate(sta);
@@ -402,7 +402,7 @@
 	sta->plink_state = PLINK_HOLDING;
 	llid = sta->llid;
 	plid = sta->plid;
-	spin_unlock_bh(&sta->plink_lock);
+	spin_unlock_bh(&sta->lock);
 	mesh_plink_frame_tx(sta->sdata->dev, PLINK_CLOSE, sta->addr, llid,
 			    plid, reason);
 	return 0;
@@ -490,7 +490,7 @@
 			/* avoid warning */
 			break;
 		}
-		spin_lock_bh(&sta->plink_lock);
+		spin_lock_bh(&sta->lock);
 	} else if (!sta) {
 		/* ftype == PLINK_OPEN */
 		u64 rates;
@@ -512,9 +512,9 @@
 			return;
 		}
 		event = OPN_ACPT;
-		spin_lock_bh(&sta->plink_lock);
+		spin_lock_bh(&sta->lock);
 	} else {
-		spin_lock_bh(&sta->plink_lock);
+		spin_lock_bh(&sta->lock);
 		switch (ftype) {
 		case PLINK_OPEN:
 			if (!mesh_plink_free_count(sdata) ||
@@ -551,7 +551,7 @@
 			break;
 		default:
 			mpl_dbg("Mesh plink: unknown frame subtype\n");
-			spin_unlock_bh(&sta->plink_lock);
+			spin_unlock_bh(&sta->lock);
 			rcu_read_unlock();
 			return;
 		}
@@ -568,7 +568,7 @@
 		switch (event) {
 		case CLS_ACPT:
 			mesh_plink_fsm_restart(sta);
-			spin_unlock_bh(&sta->plink_lock);
+			spin_unlock_bh(&sta->lock);
 			break;
 		case OPN_ACPT:
 			sta->plink_state = PLINK_OPN_RCVD;
@@ -576,14 +576,14 @@
 			get_random_bytes(&llid, 2);
 			sta->llid = llid;
 			mesh_plink_timer_set(sta, dot11MeshRetryTimeout(sdata));
-			spin_unlock_bh(&sta->plink_lock);
+			spin_unlock_bh(&sta->lock);
 			mesh_plink_frame_tx(dev, PLINK_OPEN, sta->addr, llid,
 					    0, 0);
 			mesh_plink_frame_tx(dev, PLINK_CONFIRM, sta->addr,
 					    llid, plid, 0);
 			break;
 		default:
-			spin_unlock_bh(&sta->plink_lock);
+			spin_unlock_bh(&sta->lock);
 			break;
 		}
 		break;
@@ -603,7 +603,7 @@
 				sta->ignore_plink_timer = true;
 
 			llid = sta->llid;
-			spin_unlock_bh(&sta->plink_lock);
+			spin_unlock_bh(&sta->lock);
 			mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid,
 					    plid, reason);
 			break;
@@ -612,7 +612,7 @@
 			sta->plink_state = PLINK_OPN_RCVD;
 			sta->plid = plid;
 			llid = sta->llid;
-			spin_unlock_bh(&sta->plink_lock);
+			spin_unlock_bh(&sta->lock);
 			mesh_plink_frame_tx(dev, PLINK_CONFIRM, sta->addr, llid,
 					    plid, 0);
 			break;
@@ -622,10 +622,10 @@
 					     dot11MeshConfirmTimeout(sdata)))
 				sta->ignore_plink_timer = true;
 
-			spin_unlock_bh(&sta->plink_lock);
+			spin_unlock_bh(&sta->lock);
 			break;
 		default:
-			spin_unlock_bh(&sta->plink_lock);
+			spin_unlock_bh(&sta->lock);
 			break;
 		}
 		break;
@@ -645,13 +645,13 @@
 				sta->ignore_plink_timer = true;
 
 			llid = sta->llid;
-			spin_unlock_bh(&sta->plink_lock);
+			spin_unlock_bh(&sta->lock);
 			mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid,
 					    plid, reason);
 			break;
 		case OPN_ACPT:
 			llid = sta->llid;
-			spin_unlock_bh(&sta->plink_lock);
+			spin_unlock_bh(&sta->lock);
 			mesh_plink_frame_tx(dev, PLINK_CONFIRM, sta->addr, llid,
 					    plid, 0);
 			break;
@@ -659,12 +659,12 @@
 			del_timer(&sta->plink_timer);
 			sta->plink_state = PLINK_ESTAB;
 			mesh_plink_inc_estab_count(sdata);
-			spin_unlock_bh(&sta->plink_lock);
+			spin_unlock_bh(&sta->lock);
 			mpl_dbg("Mesh plink with %s ESTABLISHED\n",
 					print_mac(mac, sta->addr));
 			break;
 		default:
-			spin_unlock_bh(&sta->plink_lock);
+			spin_unlock_bh(&sta->lock);
 			break;
 		}
 		break;
@@ -684,7 +684,7 @@
 				sta->ignore_plink_timer = true;
 
 			llid = sta->llid;
-			spin_unlock_bh(&sta->plink_lock);
+			spin_unlock_bh(&sta->lock);
 			mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid,
 					    plid, reason);
 			break;
@@ -692,14 +692,14 @@
 			del_timer(&sta->plink_timer);
 			sta->plink_state = PLINK_ESTAB;
 			mesh_plink_inc_estab_count(sdata);
-			spin_unlock_bh(&sta->plink_lock);
+			spin_unlock_bh(&sta->lock);
 			mpl_dbg("Mesh plink with %s ESTABLISHED\n",
 					print_mac(mac, sta->addr));
 			mesh_plink_frame_tx(dev, PLINK_CONFIRM, sta->addr, llid,
 					    plid, 0);
 			break;
 		default:
-			spin_unlock_bh(&sta->plink_lock);
+			spin_unlock_bh(&sta->lock);
 			break;
 		}
 		break;
@@ -713,18 +713,18 @@
 			sta->plink_state = PLINK_HOLDING;
 			llid = sta->llid;
 			mod_plink_timer(sta, dot11MeshHoldingTimeout(sdata));
-			spin_unlock_bh(&sta->plink_lock);
+			spin_unlock_bh(&sta->lock);
 			mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid,
 					    plid, reason);
 			break;
 		case OPN_ACPT:
 			llid = sta->llid;
-			spin_unlock_bh(&sta->plink_lock);
+			spin_unlock_bh(&sta->lock);
 			mesh_plink_frame_tx(dev, PLINK_CONFIRM, sta->addr, llid,
 					    plid, 0);
 			break;
 		default:
-			spin_unlock_bh(&sta->plink_lock);
+			spin_unlock_bh(&sta->lock);
 			break;
 		}
 		break;
@@ -734,7 +734,7 @@
 			if (del_timer(&sta->plink_timer))
 				sta->ignore_plink_timer = 1;
 			mesh_plink_fsm_restart(sta);
-			spin_unlock_bh(&sta->plink_lock);
+			spin_unlock_bh(&sta->lock);
 			break;
 		case OPN_ACPT:
 		case CNF_ACPT:
@@ -742,19 +742,19 @@
 		case CNF_RJCT:
 			llid = sta->llid;
 			reason = sta->reason;
-			spin_unlock_bh(&sta->plink_lock);
+			spin_unlock_bh(&sta->lock);
 			mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid,
 					    plid, reason);
 			break;
 		default:
-			spin_unlock_bh(&sta->plink_lock);
+			spin_unlock_bh(&sta->lock);
 		}
 		break;
 	default:
 		/* should not get here, PLINK_BLOCKED is dealt with at the
 		 * beggining of the function
 		 */
-		spin_unlock_bh(&sta->plink_lock);
+		spin_unlock_bh(&sta->lock);
 		break;
 	}
 
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 108c6fc..6c4b27b 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1241,7 +1241,7 @@
 
 
 	/* examine state machine */
-	spin_lock_bh(&sta->ampdu_mlme.ampdu_rx);
+	spin_lock_bh(&sta->lock);
 
 	if (sta->ampdu_mlme.tid_state_rx[tid] != HT_AGG_STATE_IDLE) {
 #ifdef CONFIG_MAC80211_HT_DEBUG
@@ -1308,7 +1308,7 @@
 	tid_agg_rx->stored_mpdu_num = 0;
 	status = WLAN_STATUS_SUCCESS;
 end:
-	spin_unlock_bh(&sta->ampdu_mlme.ampdu_rx);
+	spin_unlock_bh(&sta->lock);
 
 end_no_lock:
 	ieee80211_send_addba_resp(sta->sdata->dev, sta->addr, tid,
@@ -1340,10 +1340,10 @@
 
 	state = &sta->ampdu_mlme.tid_state_tx[tid];
 
-	spin_lock_bh(&sta->ampdu_mlme.ampdu_tx);
+	spin_lock_bh(&sta->lock);
 
 	if (!(*state & HT_ADDBA_REQUESTED_MSK)) {
-		spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx);
+		spin_unlock_bh(&sta->lock);
 		printk(KERN_DEBUG "state not HT_ADDBA_REQUESTED_MSK:"
 			"%d\n", *state);
 		goto addba_resp_exit;
@@ -1351,7 +1351,7 @@
 
 	if (mgmt->u.action.u.addba_resp.dialog_token !=
 		sta->ampdu_mlme.tid_tx[tid]->dialog_token) {
-		spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx);
+		spin_unlock_bh(&sta->lock);
 #ifdef CONFIG_MAC80211_HT_DEBUG
 		printk(KERN_DEBUG "wrong addBA response token, tid %d\n", tid);
 #endif /* CONFIG_MAC80211_HT_DEBUG */
@@ -1375,7 +1375,7 @@
 			ieee80211_wake_queue(hw, sta->tid_to_tx_q[tid]);
 		}
 
-		spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx);
+		spin_unlock_bh(&sta->lock);
 		printk(KERN_DEBUG "recipient accepted agg: tid %d \n", tid);
 	} else {
 		printk(KERN_DEBUG "recipient rejected agg: tid %d \n", tid);
@@ -1383,7 +1383,7 @@
 		sta->ampdu_mlme.addba_req_num[tid]++;
 		/* this will allow the state check in stop_BA_session */
 		*state = HT_AGG_STATE_OPERATIONAL;
-		spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx);
+		spin_unlock_bh(&sta->lock);
 		ieee80211_stop_tx_ba_session(hw, sta->addr, tid,
 					     WLAN_BACK_INITIATOR);
 	}
@@ -1453,17 +1453,17 @@
 	}
 
 	/* check if TID is in operational state */
-	spin_lock_bh(&sta->ampdu_mlme.ampdu_rx);
+	spin_lock_bh(&sta->lock);
 	if (sta->ampdu_mlme.tid_state_rx[tid]
 				!= HT_AGG_STATE_OPERATIONAL) {
-		spin_unlock_bh(&sta->ampdu_mlme.ampdu_rx);
+		spin_unlock_bh(&sta->lock);
 		rcu_read_unlock();
 		return;
 	}
 	sta->ampdu_mlme.tid_state_rx[tid] =
 		HT_AGG_STATE_REQ_STOP_BA_MSK |
 		(initiator << HT_AGG_STATE_INITIATOR_SHIFT);
-	spin_unlock_bh(&sta->ampdu_mlme.ampdu_rx);
+	spin_unlock_bh(&sta->lock);
 
 	/* stop HW Rx aggregation. ampdu_action existence
 	 * already verified in session init so we add the BUG_ON */
@@ -1540,10 +1540,10 @@
 		ieee80211_sta_stop_rx_ba_session(dev, sta->addr, tid,
 						 WLAN_BACK_INITIATOR, 0);
 	else { /* WLAN_BACK_RECIPIENT */
-		spin_lock_bh(&sta->ampdu_mlme.ampdu_tx);
+		spin_lock_bh(&sta->lock);
 		sta->ampdu_mlme.tid_state_tx[tid] =
 				HT_AGG_STATE_OPERATIONAL;
-		spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx);
+		spin_unlock_bh(&sta->lock);
 		ieee80211_stop_tx_ba_session(&local->hw, sta->addr, tid,
 					     WLAN_BACK_RECIPIENT);
 	}
@@ -1580,9 +1580,9 @@
 
 	state = &sta->ampdu_mlme.tid_state_tx[tid];
 	/* check if the TID waits for addBA response */
-	spin_lock_bh(&sta->ampdu_mlme.ampdu_tx);
+	spin_lock_bh(&sta->lock);
 	if (!(*state & HT_ADDBA_REQUESTED_MSK)) {
-		spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx);
+		spin_unlock_bh(&sta->lock);
 		*state = HT_AGG_STATE_IDLE;
 		printk(KERN_DEBUG "timer expired on tid %d but we are not "
 				"expecting addBA response there", tid);
@@ -1593,7 +1593,7 @@
 
 	/* go through the state check in stop_BA_session */
 	*state = HT_AGG_STATE_OPERATIONAL;
-	spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx);
+	spin_unlock_bh(&sta->lock);
 	ieee80211_stop_tx_ba_session(hw, temp_sta->addr, tid,
 				     WLAN_BACK_INITIATOR);
 
@@ -1984,8 +1984,8 @@
 	 *	  to between the sta_info_alloc() and sta_info_insert() above.
 	 */
 
-	sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC | WLAN_STA_ASSOC_AP |
-		      WLAN_STA_AUTHORIZED;
+	set_sta_flags(sta, WLAN_STA_AUTH | WLAN_STA_ASSOC | WLAN_STA_ASSOC_AP |
+			   WLAN_STA_AUTHORIZED);
 
 	rates = 0;
 	basic_rates = 0;
@@ -2044,7 +2044,7 @@
 	rate_control_rate_init(sta, local);
 
 	if (elems.wmm_param) {
-		sta->flags |= WLAN_STA_WME;
+		set_sta_flags(sta, WLAN_STA_WME);
 		rcu_read_unlock();
 		ieee80211_sta_wmm_params(dev, ifsta, elems.wmm_param,
 					 elems.wmm_param_len);
@@ -4237,7 +4237,7 @@
 	if (!sta)
 		return NULL;
 
-	sta->flags |= WLAN_STA_AUTHORIZED;
+	set_sta_flags(sta, WLAN_STA_AUTHORIZED);
 
 	sta->supp_rates[local->hw.conf.channel->band] =
 		sdata->u.sta.supp_rates_bits[local->hw.conf.channel->band];
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index e8b89c8..b399e09 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -479,7 +479,7 @@
 		      ((rx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_CTL &&
 		       (rx->fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_PSPOLL)) &&
 		     rx->sdata->vif.type != IEEE80211_IF_TYPE_IBSS &&
-		     (!rx->sta || !(rx->sta->flags & WLAN_STA_ASSOC)))) {
+		     (!rx->sta || !test_sta_flags(rx->sta, WLAN_STA_ASSOC)))) {
 		if ((!(rx->fc & IEEE80211_FCTL_FROMDS) &&
 		     !(rx->fc & IEEE80211_FCTL_TODS) &&
 		     (rx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA)
@@ -630,8 +630,7 @@
 
 	if (sdata->bss)
 		atomic_inc(&sdata->bss->num_sta_ps);
-	sta->flags |= WLAN_STA_PS;
-	sta->flags &= ~WLAN_STA_PSPOLL;
+	set_and_clear_sta_flags(sta, WLAN_STA_PS, WLAN_STA_PSPOLL);
 #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
 	printk(KERN_DEBUG "%s: STA %s aid %d enters power save mode\n",
 	       dev->name, print_mac(mac, sta->addr), sta->aid);
@@ -652,7 +651,7 @@
 	if (sdata->bss)
 		atomic_dec(&sdata->bss->num_sta_ps);
 
-	sta->flags &= ~(WLAN_STA_PS | WLAN_STA_PSPOLL);
+	clear_sta_flags(sta, WLAN_STA_PS | WLAN_STA_PSPOLL);
 
 	if (!skb_queue_empty(&sta->ps_tx_buf))
 		sta_info_clear_tim_bit(sta);
@@ -727,9 +726,10 @@
 	if (!(rx->fc & IEEE80211_FCTL_MOREFRAGS)) {
 		/* Change STA power saving mode only in the end of a frame
 		 * exchange sequence */
-		if ((sta->flags & WLAN_STA_PS) && !(rx->fc & IEEE80211_FCTL_PM))
+		if (test_sta_flags(sta, WLAN_STA_PS) &&
+		    !(rx->fc & IEEE80211_FCTL_PM))
 			rx->sent_ps_buffered += ap_sta_ps_end(dev, sta);
-		else if (!(sta->flags & WLAN_STA_PS) &&
+		else if (!test_sta_flags(sta, WLAN_STA_PS) &&
 			 (rx->fc & IEEE80211_FCTL_PM))
 			ap_sta_ps_start(dev, sta);
 	}
@@ -983,7 +983,7 @@
 		 * Tell TX path to send one frame even though the STA may
 		 * still remain is PS mode after this frame exchange.
 		 */
-		rx->sta->flags |= WLAN_STA_PSPOLL;
+		set_sta_flags(rx->sta, WLAN_STA_PSPOLL);
 
 #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
 		printk(KERN_DEBUG "STA %s aid %d: PS Poll (entries after %d)\n",
@@ -1046,7 +1046,8 @@
 static int
 ieee80211_802_1x_port_control(struct ieee80211_rx_data *rx)
 {
-	if (unlikely(!rx->sta || !(rx->sta->flags & WLAN_STA_AUTHORIZED))) {
+	if (unlikely(!rx->sta ||
+	    !test_sta_flags(rx->sta, WLAN_STA_AUTHORIZED))) {
 #ifdef CONFIG_MAC80211_DEBUG
 		if (net_ratelimit())
 			printk(KERN_DEBUG "%s: dropped frame "
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 631943e..baf5e47 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -202,14 +202,12 @@
 		dev_kfree_skb_any(skb);
 
 	for (i = 0; i <  STA_TID_NUM; i++) {
-		spin_lock_bh(&sta->ampdu_mlme.ampdu_rx);
+		spin_lock_bh(&sta->lock);
 		if (sta->ampdu_mlme.tid_rx[i])
 		  del_timer_sync(&sta->ampdu_mlme.tid_rx[i]->session_timer);
-		spin_unlock_bh(&sta->ampdu_mlme.ampdu_rx);
-		spin_lock_bh(&sta->ampdu_mlme.ampdu_tx);
 		if (sta->ampdu_mlme.tid_tx[i])
 		  del_timer_sync(&sta->ampdu_mlme.tid_tx[i]->addba_resp_timer);
-		spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx);
+		spin_unlock_bh(&sta->lock);
 	}
 
 	__sta_info_free(local, sta);
@@ -236,6 +234,8 @@
 	if (!sta)
 		return NULL;
 
+	spin_lock_init(&sta->lock);
+
 	memcpy(sta->addr, addr, ETH_ALEN);
 	sta->local = local;
 	sta->sdata = sdata;
@@ -249,8 +249,6 @@
 		return NULL;
 	}
 
-	spin_lock_init(&sta->ampdu_mlme.ampdu_rx);
-	spin_lock_init(&sta->ampdu_mlme.ampdu_tx);
 	for (i = 0; i < STA_TID_NUM; i++) {
 		/* timer_to_tid must be initialized with identity mapping to
 		 * enable session_timer's data differentiation. refer to
@@ -276,7 +274,6 @@
 
 #ifdef CONFIG_MAC80211_MESH
 	sta->plink_state = PLINK_LISTEN;
-	spin_lock_init(&sta->plink_lock);
 	init_timer(&sta->plink_timer);
 #endif
 
@@ -437,8 +434,7 @@
 
 	list_del(&(*sta)->list);
 
-	if ((*sta)->flags & WLAN_STA_PS) {
-		(*sta)->flags &= ~WLAN_STA_PS;
+	if (test_and_clear_sta_flags(*sta, WLAN_STA_PS)) {
 		if (sdata->bss)
 			atomic_dec(&sdata->bss->num_sta_ps);
 		__sta_info_clear_tim_bit(sdata->bss, *sta);
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index f8c95bc..97a61c3 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -129,23 +129,19 @@
  *
  * @tid_state_rx: TID's state in Rx session state machine.
  * @tid_rx: aggregation info for Rx per TID
- * @ampdu_rx: for locking sections in aggregation Rx flow
  * @tid_state_tx: TID's state in Tx session state machine.
  * @tid_tx: aggregation info for Tx per TID
  * @addba_req_num: number of times addBA request has been sent.
- * @ampdu_tx: for locking sectionsi in aggregation Tx flow
  * @dialog_token_allocator: dialog token enumerator for each new session;
  */
 struct sta_ampdu_mlme {
 	/* rx */
 	u8 tid_state_rx[STA_TID_NUM];
 	struct tid_ampdu_rx *tid_rx[STA_TID_NUM];
-	spinlock_t ampdu_rx;
 	/* tx */
 	u8 tid_state_tx[STA_TID_NUM];
 	struct tid_ampdu_tx *tid_tx[STA_TID_NUM];
 	u8 addba_req_num[STA_TID_NUM];
-	spinlock_t ampdu_tx;
 	u8 dialog_token_allocator;
 };
 
@@ -177,6 +173,8 @@
  * @rx_bytes: Number of bytes received from this STA
  * @supp_rates: Bitmap of supported rates (per band)
  * @ht_info: HT capabilities of this STA
+ * @lock: used for locking all fields that require locking, see comments
+ *	in the header file.
  */
 struct sta_info {
 	/* General information, mostly static */
@@ -187,6 +185,7 @@
 	struct ieee80211_key *key;
 	struct rate_control_ref *rate_ctrl;
 	void *rate_ctrl_priv;
+	spinlock_t lock;
 	struct ieee80211_ht_info ht_info;
 	u64 supp_rates[IEEE80211_NUM_BANDS];
 	u8 addr[ETH_ALEN];
@@ -199,7 +198,7 @@
 	 */
 	u8 pin_status;
 
-	/* frequently updated information, needs locking? */
+	/* frequently updated information, locked with lock spinlock */
 	u32 flags;
 
 	/*
@@ -251,7 +250,7 @@
 	int channel_use_raw;
 
 	/*
-	 * Aggregation information, comes with own locking.
+	 * Aggregation information, locked with lock.
 	 */
 	struct sta_ampdu_mlme ampdu_mlme;
 	u8 timer_to_tid[STA_TID_NUM];	/* identity mapping to ID timers */
@@ -270,9 +269,6 @@
 	enum plink_state plink_state;
 	u32 plink_timeout;
 	struct timer_list plink_timer;
-	spinlock_t plink_lock;	/* For peer_state reads / updates and other
-				   updates in the structure. Ensures robust
-				   transitions for the peerlink FSM */
 #endif
 
 #ifdef CONFIG_MAC80211_DEBUGFS
@@ -299,6 +295,64 @@
 	return PLINK_LISTEN;
 }
 
+static inline void set_sta_flags(struct sta_info *sta, const u32 flags)
+{
+	spin_lock_bh(&sta->lock);
+	sta->flags |= flags;
+	spin_unlock_bh(&sta->lock);
+}
+
+static inline void clear_sta_flags(struct sta_info *sta, const u32 flags)
+{
+	spin_lock_bh(&sta->lock);
+	sta->flags &= ~flags;
+	spin_unlock_bh(&sta->lock);
+}
+
+static inline void set_and_clear_sta_flags(struct sta_info *sta,
+					   const u32 set, const u32 clear)
+{
+	spin_lock_bh(&sta->lock);
+	sta->flags |= set;
+	sta->flags &= ~clear;
+	spin_unlock_bh(&sta->lock);
+}
+
+static inline u32 test_sta_flags(struct sta_info *sta, const u32 flags)
+{
+	u32 ret;
+
+	spin_lock_bh(&sta->lock);
+	ret = sta->flags & flags;
+	spin_unlock_bh(&sta->lock);
+
+	return ret;
+}
+
+static inline u32 test_and_clear_sta_flags(struct sta_info *sta,
+					   const u32 flags)
+{
+	u32 ret;
+
+	spin_lock_bh(&sta->lock);
+	ret = sta->flags & flags;
+	sta->flags &= ~flags;
+	spin_unlock_bh(&sta->lock);
+
+	return ret;
+}
+
+static inline u32 get_sta_flags(struct sta_info *sta)
+{
+	u32 ret;
+
+	spin_lock_bh(&sta->lock);
+	ret = sta->flags;
+	spin_unlock_bh(&sta->lock);
+
+	return ret;
+}
+
 
 /* Maximum number of concurrently registered stations */
 #define MAX_STA_COUNT 2007
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 3a03d78..5f31a62 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -256,7 +256,7 @@
 	if (tx->flags & IEEE80211_TX_PS_BUFFERED)
 		return TX_CONTINUE;
 
-	sta_flags = tx->sta ? tx->sta->flags : 0;
+	sta_flags = tx->sta ? get_sta_flags(tx->sta) : 0;
 
 	if (likely(tx->flags & IEEE80211_TX_UNICAST)) {
 		if (unlikely(!(sta_flags & WLAN_STA_ASSOC) &&
@@ -391,6 +391,7 @@
 ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx)
 {
 	struct sta_info *sta = tx->sta;
+	u32 staflags;
 	DECLARE_MAC_BUF(mac);
 
 	if (unlikely(!sta ||
@@ -398,8 +399,10 @@
 		      (tx->fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_PROBE_RESP)))
 		return TX_CONTINUE;
 
-	if (unlikely((sta->flags & WLAN_STA_PS) &&
-		     !(sta->flags & WLAN_STA_PSPOLL))) {
+	staflags = get_sta_flags(sta);
+
+	if (unlikely((staflags & WLAN_STA_PS) &&
+		     !(staflags & WLAN_STA_PSPOLL))) {
 		struct ieee80211_tx_packet_data *pkt_data;
 #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
 		printk(KERN_DEBUG "STA %s aid %d: PS buffer (entries "
@@ -430,13 +433,13 @@
 		return TX_QUEUED;
 	}
 #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
-	else if (unlikely(sta->flags & WLAN_STA_PS)) {
+	else if (unlikely(test_sta_flags(sta, WLAN_STA_PS))) {
 		printk(KERN_DEBUG "%s: STA %s in PS mode, but pspoll "
 		       "set -> send frame\n", tx->dev->name,
 		       print_mac(mac, sta->addr));
 	}
 #endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
-	sta->flags &= ~WLAN_STA_PSPOLL;
+	clear_sta_flags(sta, WLAN_STA_PSPOLL);
 
 	return TX_CONTINUE;
 }
@@ -697,7 +700,7 @@
 	if (((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA) &&
 	    (tx->rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) &&
 	    tx->sdata->bss_conf.use_short_preamble &&
-	    (!tx->sta || (tx->sta->flags & WLAN_STA_SHORT_PREAMBLE))) {
+	    (!tx->sta || test_sta_flags(tx->sta, WLAN_STA_SHORT_PREAMBLE))) {
 		tx->control->flags |= IEEE80211_TXCTL_SHORT_PREAMBLE;
 	}
 
@@ -1025,10 +1028,8 @@
 
 	if (!tx->sta)
 		control->flags |= IEEE80211_TXCTL_CLEAR_PS_FILT;
-	else if (tx->sta->flags & WLAN_STA_CLEAR_PS_FILT) {
+	else if (test_and_clear_sta_flags(tx->sta, WLAN_STA_CLEAR_PS_FILT))
 		control->flags |= IEEE80211_TXCTL_CLEAR_PS_FILT;
-		tx->sta->flags &= ~WLAN_STA_CLEAR_PS_FILT;
-	}
 
 	hdrlen = ieee80211_get_hdrlen(tx->fc);
 	if (skb->len > hdrlen + sizeof(rfc1042_header) + 2) {
@@ -1486,7 +1487,7 @@
 		rcu_read_lock();
 		sta = sta_info_get(local, hdr.addr1);
 		if (sta)
-			sta_flags = sta->flags;
+			sta_flags = get_sta_flags(sta);
 		rcu_read_unlock();
 	}