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

9 files changed, 319 insertions, 207 deletions

diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 4e0c9227418..84640172d65 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -485,6 +485,9 @@ static struct sk_buff *__skb_clone(struct sk_buff *n, struct sk_buff *skb)
 	C(head);
 	C(data);
 	C(truesize);
+#if defined(CONFIG_MAC80211) || defined(CONFIG_MAC80211_MODULE)
+	C(do_not_encrypt);
+#endif
 	atomic_set(&n->users, 1);
 
 	atomic_inc(&(skb_shinfo(skb)->dataref));
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 8e7ba0e62cf..297c257864c 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -81,6 +81,7 @@ static int ieee80211_change_iface(struct wiphy *wiphy, int ifindex,
 				  enum nl80211_iftype type, u32 *flags,
 				  struct vif_params *params)
 {
+	struct ieee80211_local *local = wiphy_priv(wiphy);
 	struct net_device *dev;
 	enum ieee80211_if_types itype;
 	struct ieee80211_sub_if_data *sdata;
@@ -95,6 +96,9 @@ static int ieee80211_change_iface(struct wiphy *wiphy, int ifindex,
 	if (itype == IEEE80211_IF_TYPE_INVALID)
 		return -EINVAL;
 
+	if (dev == local->mdev)
+		return -EOPNOTSUPP;
+
 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
 	ret = ieee80211_if_change_type(sdata, itype);
@@ -117,12 +121,16 @@ static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
 			     u8 key_idx, u8 *mac_addr,
 			     struct key_params *params)
 {
+	struct ieee80211_local *local = wiphy_priv(wiphy);
 	struct ieee80211_sub_if_data *sdata;
 	struct sta_info *sta = NULL;
 	enum ieee80211_key_alg alg;
 	struct ieee80211_key *key;
 	int err;
 
+	if (dev == local->mdev)
+		return -EOPNOTSUPP;
+
 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
 	switch (params->cipher) {
@@ -167,10 +175,14 @@ static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
 			     u8 key_idx, u8 *mac_addr)
 {
+	struct ieee80211_local *local = wiphy_priv(wiphy);
 	struct ieee80211_sub_if_data *sdata;
 	struct sta_info *sta;
 	int ret;
 
+	if (dev == local->mdev)
+		return -EOPNOTSUPP;
+
 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
 	rcu_read_lock();
@@ -211,7 +223,8 @@ static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
 			     void (*callback)(void *cookie,
 					      struct key_params *params))
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+	struct ieee80211_local *local = wiphy_priv(wiphy);
+	struct ieee80211_sub_if_data *sdata;
 	struct sta_info *sta = NULL;
 	u8 seq[6] = {0};
 	struct key_params params;
@@ -220,6 +233,11 @@ static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
 	u16 iv16;
 	int err = -ENOENT;
 
+	if (dev == local->mdev)
+		return -EOPNOTSUPP;
+
+	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
 	rcu_read_lock();
 
 	if (mac_addr) {
@@ -293,8 +311,12 @@ static int ieee80211_config_default_key(struct wiphy *wiphy,
 					struct net_device *dev,
 					u8 key_idx)
 {
+	struct ieee80211_local *local = wiphy_priv(wiphy);
 	struct ieee80211_sub_if_data *sdata;
 
+	if (dev == local->mdev)
+		return -EOPNOTSUPP;
+
 	rcu_read_lock();
 
 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
@@ -475,9 +497,15 @@ static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
 static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
 				struct beacon_parameters *params)
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+	struct ieee80211_local *local = wiphy_priv(wiphy);
+	struct ieee80211_sub_if_data *sdata;
 	struct beacon_data *old;
 
+	if (dev == local->mdev)
+		return -EOPNOTSUPP;
+
+	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
 	if (sdata->vif.type != IEEE80211_IF_TYPE_AP)
 		return -EINVAL;
 
@@ -492,9 +520,15 @@ static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
 static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
 				struct beacon_parameters *params)
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+	struct ieee80211_local *local = wiphy_priv(wiphy);
+	struct ieee80211_sub_if_data *sdata;
 	struct beacon_data *old;
 
+	if (dev == local->mdev)
+		return -EOPNOTSUPP;
+
+	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
 	if (sdata->vif.type != IEEE80211_IF_TYPE_AP)
 		return -EINVAL;
 
@@ -508,9 +542,15 @@ static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
 
 static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+	struct ieee80211_local *local = wiphy_priv(wiphy);
+	struct ieee80211_sub_if_data *sdata;
 	struct beacon_data *old;
 
+	if (dev == local->mdev)
+		return -EOPNOTSUPP;
+
+	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
 	if (sdata->vif.type != IEEE80211_IF_TYPE_AP)
 		return -EINVAL;
 
@@ -646,11 +686,14 @@ static void sta_apply_parameters(struct ieee80211_local *local,
 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
 				 u8 *mac, struct station_parameters *params)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_local *local = wiphy_priv(wiphy);
 	struct sta_info *sta;
 	struct ieee80211_sub_if_data *sdata;
 	int err;
 
+	if (dev == local->mdev || params->vlan == local->mdev)
+		return -EOPNOTSUPP;
+
 	/* Prevent a race with changing the rate control algorithm */
 	if (!netif_running(dev))
 		return -ENETDOWN;
@@ -701,10 +744,15 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
 				 u8 *mac)
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	struct ieee80211_local *local = sdata->local;
+	struct ieee80211_local *local = wiphy_priv(wiphy);
+	struct ieee80211_sub_if_data *sdata;
 	struct sta_info *sta;
 
+	if (dev == local->mdev)
+		return -EOPNOTSUPP;
+
+	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
 	if (mac) {
 		rcu_read_lock();
 
@@ -730,10 +778,13 @@ static int ieee80211_change_station(struct wiphy *wiphy,
 				    u8 *mac,
 				    struct station_parameters *params)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_local *local = wiphy_priv(wiphy);
 	struct sta_info *sta;
 	struct ieee80211_sub_if_data *vlansdata;
 
+	if (dev == local->mdev || params->vlan == local->mdev)
+		return -EOPNOTSUPP;
+
 	rcu_read_lock();
 
 	/* XXX: get sta belonging to dev */
@@ -752,7 +803,7 @@ static int ieee80211_change_station(struct wiphy *wiphy,
 			return -EINVAL;
 		}
 
-		sta->sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
+		sta->sdata = vlansdata;
 		ieee80211_send_layer2_update(sta);
 	}
 
@@ -767,15 +818,20 @@ static int ieee80211_change_station(struct wiphy *wiphy,
 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
 				 u8 *dst, u8 *next_hop)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+	struct ieee80211_local *local = wiphy_priv(wiphy);
+	struct ieee80211_sub_if_data *sdata;
 	struct mesh_path *mpath;
 	struct sta_info *sta;
 	int err;
 
+	if (dev == local->mdev)
+		return -EOPNOTSUPP;
+
 	if (!netif_running(dev))
 		return -ENETDOWN;
 
+	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
 	if (sdata->vif.type != IEEE80211_IF_TYPE_MESH_POINT)
 		return -ENOTSUPP;
 
@@ -817,14 +873,19 @@ static int ieee80211_change_mpath(struct wiphy *wiphy,
 				    struct net_device *dev,
 				    u8 *dst, u8 *next_hop)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+	struct ieee80211_local *local = wiphy_priv(wiphy);
+	struct ieee80211_sub_if_data *sdata;
 	struct mesh_path *mpath;
 	struct sta_info *sta;
 
+	if (dev == local->mdev)
+		return -EOPNOTSUPP;
+
 	if (!netif_running(dev))
 		return -ENETDOWN;
 
+	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
 	if (sdata->vif.type != IEEE80211_IF_TYPE_MESH_POINT)
 		return -ENOTSUPP;
 
@@ -891,9 +952,15 @@ static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
 			       u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
 
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+	struct ieee80211_local *local = wiphy_priv(wiphy);
+	struct ieee80211_sub_if_data *sdata;
 	struct mesh_path *mpath;
 
+	if (dev == local->mdev)
+		return -EOPNOTSUPP;
+
+	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
 	if (sdata->vif.type != IEEE80211_IF_TYPE_MESH_POINT)
 		return -ENOTSUPP;
 
@@ -913,9 +980,15 @@ static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
 				 int idx, u8 *dst, u8 *next_hop,
 				 struct mpath_info *pinfo)
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+	struct ieee80211_local *local = wiphy_priv(wiphy);
+	struct ieee80211_sub_if_data *sdata;
 	struct mesh_path *mpath;
 
+	if (dev == local->mdev)
+		return -EOPNOTSUPP;
+
+	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
 	if (sdata->vif.type != IEEE80211_IF_TYPE_MESH_POINT)
 		return -ENOTSUPP;
 
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index f1a83d450ea..a4c5b90de76 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -1233,18 +1233,12 @@ static void ieee80211_tasklet_handler(unsigned long data)
 /* Remove added headers (e.g., QoS control), encryption header/MIC, etc. to
  * make a prepared TX frame (one that has been given to hw) to look like brand
  * new IEEE 802.11 frame that is ready to go through TX processing again.
- * Also, tx_packet_data in cb is restored from tx_control. */
+ */
 static void ieee80211_remove_tx_extra(struct ieee80211_local *local,
 				      struct ieee80211_key *key,
 				      struct sk_buff *skb)
 {
 	int hdrlen, iv_len, mic_len;
-	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
-
-	info->flags &=	IEEE80211_TX_CTL_REQ_TX_STATUS |
-			IEEE80211_TX_CTL_DO_NOT_ENCRYPT |
-			IEEE80211_TX_CTL_REQUEUE |
-			IEEE80211_TX_CTL_EAPOL_FRAME;
 
 	hdrlen = ieee80211_get_hdrlen_from_skb(skb);
 
@@ -1731,8 +1725,8 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
 	result = ieee80211_wep_init(local);
 
 	if (result < 0) {
-		printk(KERN_DEBUG "%s: Failed to initialize wep\n",
-		       wiphy_name(local->hw.wiphy));
+		printk(KERN_DEBUG "%s: Failed to initialize wep: %d\n",
+		       wiphy_name(local->hw.wiphy), result);
 		goto fail_wep;
 	}
 
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index d7c371e36bf..acb04133a95 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -606,7 +606,6 @@ void ieee80211_sta_tx(struct net_device *dev, struct sk_buff *skb,
 		      int encrypt)
 {
 	struct ieee80211_sub_if_data *sdata;
-	struct ieee80211_tx_info *info;
 
 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	skb->dev = sdata->local->mdev;
@@ -614,11 +613,8 @@ void ieee80211_sta_tx(struct net_device *dev, struct sk_buff *skb,
 	skb_set_network_header(skb, 0);
 	skb_set_transport_header(skb, 0);
 
-	info = IEEE80211_SKB_CB(skb);
-	memset(info, 0, sizeof(struct ieee80211_tx_info));
-	info->control.ifindex = sdata->dev->ifindex;
-	if (!encrypt)
-		info->flags |= IEEE80211_TX_CTL_DO_NOT_ENCRYPT;
+	skb->iif = sdata->dev->ifindex;
+	skb->do_not_encrypt = !encrypt;
 
 	dev_queue_xmit(skb);
 }
@@ -3303,6 +3299,7 @@ void ieee80211_start_mesh(struct net_device *dev)
 	ifsta = &sdata->u.sta;
 	ifsta->state = IEEE80211_MESH_UP;
 	ieee80211_sta_timer((unsigned long)sdata);
+	ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON);
 }
 #endif
 
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 0fbadd8b983..69019e94387 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -305,7 +305,7 @@ static void purge_old_ps_buffers(struct ieee80211_local *local)
 	rcu_read_unlock();
 
 	local->total_ps_buffered = total;
-#ifdef MAC80211_VERBOSE_PS_DEBUG
+#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
 	printk(KERN_DEBUG "%s: PS buffers full - purged %d frames\n",
 	       wiphy_name(local->hw.wiphy), purged);
 #endif
@@ -342,7 +342,7 @@ ieee80211_tx_h_multicast_ps_buf(struct ieee80211_tx_data *tx)
 			purge_old_ps_buffers(tx->local);
 		if (skb_queue_len(&tx->sdata->bss->ps_bc_buf) >=
 		    AP_MAX_BC_BUFFER) {
-#ifdef MAC80211_VERBOSE_PS_DEBUG
+#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
 			if (net_ratelimit()) {
 				printk(KERN_DEBUG "%s: BC TX buffer full - "
 				       "dropping the oldest frame\n",
@@ -389,7 +389,7 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx)
 			purge_old_ps_buffers(tx->local);
 		if (skb_queue_len(&sta->ps_tx_buf) >= STA_MAX_TX_BUFFER) {
 			struct sk_buff *old = skb_dequeue(&sta->ps_tx_buf);
-#ifdef MAC80211_VERBOSE_PS_DEBUG
+#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
 			if (net_ratelimit()) {
 				printk(KERN_DEBUG "%s: STA %s TX "
 				       "buffer full - dropping oldest frame\n",
@@ -439,14 +439,14 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx)
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb);
 	u16 fc = tx->fc;
 
-	if (unlikely(info->flags & IEEE80211_TX_CTL_DO_NOT_ENCRYPT))
+	if (unlikely(tx->skb->do_not_encrypt))
 		tx->key = NULL;
 	else if (tx->sta && (key = rcu_dereference(tx->sta->key)))
 		tx->key = key;
 	else if ((key = rcu_dereference(tx->sdata->default_key)))
 		tx->key = key;
 	else if (tx->sdata->drop_unencrypted &&
-		 !(info->flags & IEEE80211_TX_CTL_EAPOL_FRAME) &&
+		 (tx->skb->protocol != cpu_to_be16(ETH_P_PAE)) &&
 		 !(info->flags & IEEE80211_TX_CTL_INJECTED)) {
 		I802_DEBUG_INC(tx->local->tx_handlers_drop_unencrypted);
 		return TX_DROP;
@@ -476,7 +476,7 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx)
 	}
 
 	if (!tx->key || !(tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
-		info->flags |= IEEE80211_TX_CTL_DO_NOT_ENCRYPT;
+		tx->skb->do_not_encrypt = 1;
 
 	return TX_CONTINUE;
 }
@@ -732,6 +732,7 @@ ieee80211_tx_h_fragment(struct ieee80211_tx_data *tx)
 		memcpy(skb_put(frag, copylen), pos, copylen);
 		memcpy(frag->cb, first->cb, sizeof(frag->cb));
 		skb_copy_queue_mapping(frag, first);
+		frag->do_not_encrypt = first->do_not_encrypt;
 
 		pos += copylen;
 		left -= copylen;
@@ -852,7 +853,7 @@ __ieee80211_parse_tx_radiotap(struct ieee80211_tx_data *tx,
 
 	sband = tx->local->hw.wiphy->bands[tx->channel->band];
 
-	info->flags |= IEEE80211_TX_CTL_DO_NOT_ENCRYPT;
+	skb->do_not_encrypt = 1;
 	info->flags |= IEEE80211_TX_CTL_INJECTED;
 	tx->flags &= ~IEEE80211_TX_FRAGMENTED;
 
@@ -925,8 +926,7 @@ __ieee80211_parse_tx_radiotap(struct ieee80211_tx_data *tx,
 				skb_trim(skb, skb->len - FCS_LEN);
 			}
 			if (*iterator.this_arg & IEEE80211_RADIOTAP_F_WEP)
-				info->flags &=
-					~IEEE80211_TX_CTL_DO_NOT_ENCRYPT;
+				tx->skb->do_not_encrypt = 0;
 			if (*iterator.this_arg & IEEE80211_RADIOTAP_F_FRAG)
 				tx->flags |= IEEE80211_TX_FRAGMENTED;
 			break;
@@ -1042,10 +1042,9 @@ static int ieee80211_tx_prepare(struct ieee80211_tx_data *tx,
 				struct sk_buff *skb,
 				struct net_device *mdev)
 {
-	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 	struct net_device *dev;
 
-	dev = dev_get_by_index(&init_net, info->control.ifindex);
+	dev = dev_get_by_index(&init_net, skb->iif);
 	if (unlikely(dev && !is_ieee80211_device(dev, mdev))) {
 		dev_put(dev);
 		dev = NULL;
@@ -1306,8 +1305,8 @@ int ieee80211_master_start_xmit(struct sk_buff *skb,
 	bool may_encrypt;
 	int ret;
 
-	if (info->control.ifindex)
-		odev = dev_get_by_index(&init_net, info->control.ifindex);
+	if (skb->iif)
+		odev = dev_get_by_index(&init_net, skb->iif);
 	if (unlikely(odev && !is_ieee80211_device(odev, dev))) {
 		dev_put(odev);
 		odev = NULL;
@@ -1321,9 +1320,13 @@ int ieee80211_master_start_xmit(struct sk_buff *skb,
 		return 0;
 	}
 
+	memset(info, 0, sizeof(*info));
+
+	info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS;
+
 	osdata = IEEE80211_DEV_TO_SUB_IF(odev);
 
-	may_encrypt = !(info->flags & IEEE80211_TX_CTL_DO_NOT_ENCRYPT);
+	may_encrypt = !skb->do_not_encrypt;
 
 	headroom = osdata->local->tx_headroom;
 	if (may_encrypt)
@@ -1348,7 +1351,6 @@ int ieee80211_monitor_start_xmit(struct sk_buff *skb,
 				 struct net_device *dev)
 {
 	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 	struct ieee80211_radiotap_header *prthdr =
 		(struct ieee80211_radiotap_header *)skb->data;
 	u16 len_rthdr;
@@ -1371,11 +1373,11 @@ int ieee80211_monitor_start_xmit(struct sk_buff *skb,
 	skb->dev = local->mdev;
 
 	/* needed because we set skb device to master */
-	info->control.ifindex = dev->ifindex;
+	skb->iif = dev->ifindex;
 
-	info->flags |= IEEE80211_TX_CTL_DO_NOT_ENCRYPT;
-	/* Interfaces should always request a status report */
-	info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS;
+	/* sometimes we do encrypt injected frames, will be fixed
+	 * up in radiotap parser if not wanted */
+	skb->do_not_encrypt = 0;
 
 	/*
 	 * fix up the pointers accounting for the radiotap
@@ -1419,7 +1421,6 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
 			       struct net_device *dev)
 {
 	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_tx_info *info;
 	struct ieee80211_sub_if_data *sdata;
 	int ret = 1, head_need;
 	u16 ethertype, hdrlen,  meshhdrlen = 0;
@@ -1645,14 +1646,7 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
 	nh_pos += hdrlen;
 	h_pos += hdrlen;
 
-	info = IEEE80211_SKB_CB(skb);
-	memset(info, 0, sizeof(*info));
-	info->control.ifindex = dev->ifindex;
-	if (ethertype == ETH_P_PAE)
-		info->flags |= IEEE80211_TX_CTL_EAPOL_FRAME;
-
-	/* Interfaces should always request a status report */
-	info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS;
+	skb->iif = dev->ifindex;
 
 	skb->dev = local->mdev;
 	dev->stats.tx_packets++;
@@ -1922,6 +1916,8 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
 
 	info = IEEE80211_SKB_CB(skb);
 
+	skb->do_not_encrypt = 1;
+
 	info->band = band;
 	rate_control_get_rate(local->mdev, sband, skb, &rsel);
 
@@ -1931,7 +1927,7 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
 			       "no rate found\n",
 			       wiphy_name(local->hw.wiphy));
 		}
-		dev_kfree_skb(skb);
+		dev_kfree_skb_any(skb);
 		skb = NULL;
 		goto out;
 	}
@@ -1940,7 +1936,6 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
 	info->tx_rate_idx = rsel.rate_idx;
 
 	info->flags |= IEEE80211_TX_CTL_NO_ACK;
-	info->flags |= IEEE80211_TX_CTL_DO_NOT_ENCRYPT;
 	info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT;
 	info->flags |= IEEE80211_TX_CTL_ASSIGN_SEQ;
 	if (sdata->bss_conf.use_short_preamble &&
diff --git a/net/mac80211/wep.c b/net/mac80211/wep.c
index 872d2fcd1a5..5c2bf0a3d4d 100644
--- a/net/mac80211/wep.c
+++ b/net/mac80211/wep.c
@@ -31,13 +31,13 @@ int ieee80211_wep_init(struct ieee80211_local *local)
 	local->wep_tx_tfm = crypto_alloc_blkcipher("ecb(arc4)", 0,
 						CRYPTO_ALG_ASYNC);
 	if (IS_ERR(local->wep_tx_tfm))
-		return -ENOMEM;
+		return PTR_ERR(local->wep_tx_tfm);
 
 	local->wep_rx_tfm = crypto_alloc_blkcipher("ecb(arc4)", 0,
 						CRYPTO_ALG_ASYNC);
 	if (IS_ERR(local->wep_rx_tfm)) {
 		crypto_free_blkcipher(local->wep_tx_tfm);
-		return -ENOMEM;
+		return PTR_ERR(local->wep_rx_tfm);
 	}
 
 	return 0;
diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c
index 07edda0b8a5..28437f0001d 100644
--- a/net/mac80211/wme.c
+++ b/net/mac80211/wme.c
@@ -188,6 +188,9 @@ int ieee80211_ht_agg_queue_add(struct ieee80211_local *local,
 {
 	int i;
 
+	/* XXX: currently broken due to cb/requeue use */
+	return -EPERM;
+
 	/* prepare the filter and save it for the SW queue
 	 * matching the received HW queue */
 
diff --git a/net/rfkill/rfkill.c b/net/rfkill/rfkill.c
index 7a560b78509..c6f2f388cb7 100644
--- a/net/rfkill/rfkill.c
+++ b/net/rfkill/rfkill.c
@@ -130,7 +130,6 @@ static void update_rfkill_state(struct rfkill *rfkill)
 
 /**
  * rfkill_toggle_radio - wrapper for toggle_radio hook
- *
  * @rfkill: the rfkill struct to use
  * @force: calls toggle_radio even if cache says it is not needed,
  *	and also makes sure notifications of the state will be
@@ -141,8 +140,8 @@ static void update_rfkill_state(struct rfkill *rfkill)
  * calls and handling all the red tape such as issuing notifications
  * if the call is successful.
  *
- * Note that @force cannot override a (possibly cached) state of
- * RFKILL_STATE_HARD_BLOCKED.  Any device making use of
+ * Note that the @force parameter cannot override a (possibly cached)
+ * state of RFKILL_STATE_HARD_BLOCKED.  Any device making use of
  * RFKILL_STATE_HARD_BLOCKED implements either get_state() or
  * rfkill_force_state(), so the cache either is bypassed or valid.
  *
@@ -150,7 +149,7 @@ static void update_rfkill_state(struct rfkill *rfkill)
  * even if the radio is in RFKILL_STATE_HARD_BLOCKED state, so as to
  * give the driver a hint that it should double-BLOCK the transmitter.
  *
- * Caller must have aquired rfkill_mutex.
+ * Caller must have acquired rfkill->mutex.
  */
 static int rfkill_toggle_radio(struct rfkill *rfkill,
 				enum rfkill_state state,
@@ -200,12 +199,12 @@ static int rfkill_toggle_radio(struct rfkill *rfkill,
 
 /**
  * rfkill_switch_all - Toggle state of all switches of given type
- * @type: type of interfaces to be affeceted
+ * @type: type of interfaces to be affected
  * @state: the new state
  *
- * This function toggles state of all switches of given type unless
- * a specific switch is claimed by userspace in which case it is
- * left alone.
+ * This function toggles the state of all switches of given type,
+ * unless a specific switch is claimed by userspace (in which case,
+ * that switch is left alone).
  */
 void rfkill_switch_all(enum rfkill_type type, enum rfkill_state state)
 {
@@ -216,8 +215,11 @@ void rfkill_switch_all(enum rfkill_type type, enum rfkill_state state)
 	rfkill_states[type] = state;
 
 	list_for_each_entry(rfkill, &rfkill_list, node) {
-		if ((!rfkill->user_claim) && (rfkill->type == type))
+		if ((!rfkill->user_claim) && (rfkill->type == type)) {
+			mutex_lock(&rfkill->mutex);
 			rfkill_toggle_radio(rfkill, state, 0);
+			mutex_unlock(&rfkill->mutex);
+		}
 	}
 
 	mutex_unlock(&rfkill_mutex);
@@ -228,7 +230,7 @@ EXPORT_SYMBOL(rfkill_switch_all);
  * rfkill_epo - emergency power off all transmitters
  *
  * This kicks all rfkill devices to RFKILL_STATE_SOFT_BLOCKED, ignoring
- * everything in its path but rfkill_mutex.
+ * everything in its path but rfkill_mutex and rfkill->mutex.
  */
 void rfkill_epo(void)
 {
@@ -236,7 +238,9 @@ void rfkill_epo(void)
 
 	mutex_lock(&rfkill_mutex);
 	list_for_each_entry(rfkill, &rfkill_list, node) {
+		mutex_lock(&rfkill->mutex);
 		rfkill_toggle_radio(rfkill, RFKILL_STATE_SOFT_BLOCKED, 1);
+		mutex_unlock(&rfkill->mutex);
 	}
 	mutex_unlock(&rfkill_mutex);
 }
@@ -252,7 +256,12 @@ EXPORT_SYMBOL_GPL(rfkill_epo);
  * a notification by the firmware/hardware of the current *real*
  * state of the radio rfkill switch.
  *
- * It may not be called from an atomic context.
+ * Devices which are subject to external changes on their rfkill
+ * state (such as those caused by a hardware rfkill line) MUST
+ * have their driver arrange to call rfkill_force_state() as soon
+ * as possible after such a change.
+ *
+ * This function may not be called from an atomic context.
  */
 int rfkill_force_state(struct rfkill *rfkill, enum rfkill_state state)
 {
@@ -367,6 +376,9 @@ static ssize_t rfkill_claim_store(struct device *dev,
 	if (!capable(CAP_NET_ADMIN))
 		return -EPERM;
 
+	if (rfkill->user_claim_unsupported)
+		return -EOPNOTSUPP;
+
 	/*
 	 * Take the global lock to make sure the kernel is not in
 	 * the middle of rfkill_switch_all
@@ -375,19 +387,17 @@ static ssize_t rfkill_claim_store(struct device *dev,
 	if (error)
 		return error;
 
-	if (rfkill->user_claim_unsupported) {
-		error = -EOPNOTSUPP;
-		goto out_unlock;
-	}
 	if (rfkill->user_claim != claim) {
-		if (!claim)
+		if (!claim) {
+			mutex_lock(&rfkill->mutex);
 			rfkill_toggle_radio(rfkill,
 					    rfkill_states[rfkill->type],
 					    0);
+			mutex_unlock(&rfkill->mutex);
+		}
 		rfkill->user_claim = claim;
 	}
 
-out_unlock:
 	mutex_unlock(&rfkill_mutex);
 
 	return error ? error : count;
@@ -516,8 +526,11 @@ static void rfkill_remove_switch(struct rfkill *rfkill)
 {
 	mutex_lock(&rfkill_mutex);
 	list_del_init(&rfkill->node);
-	rfkill_toggle_radio(rfkill, RFKILL_STATE_SOFT_BLOCKED, 1);
 	mutex_unlock(&rfkill_mutex);
+
+	mutex_lock(&rfkill->mutex);
+	rfkill_toggle_radio(rfkill, RFKILL_STATE_SOFT_BLOCKED, 1);
+	mutex_unlock(&rfkill->mutex);
 }
 
 /**
@@ -526,9 +539,10 @@ static void rfkill_remove_switch(struct rfkill *rfkill)
  * @type: type of the switch (RFKILL_TYPE_*)
  *
  * This function should be called by the network driver when it needs
- * rfkill structure. Once the structure is allocated the driver shoud
- * finish its initialization by setting name, private data, enable_radio
+ * rfkill structure.  Once the structure is allocated the driver should
+ * finish its initialization by setting the name, private data, enable_radio
  * and disable_radio methods and then register it with rfkill_register().
+ *
  * NOTE: If registration fails the structure shoudl be freed by calling
  * rfkill_free() otherwise rfkill_unregister() should be used.
  */
@@ -560,7 +574,7 @@ EXPORT_SYMBOL(rfkill_allocate);
  * rfkill_free - Mark rfkill structure for deletion
  * @rfkill: rfkill structure to be destroyed
  *
- * Decrements reference count of rfkill structure so it is destroyed.
+ * Decrements reference count of the rfkill structure so it is destroyed.
  * Note that rfkill_free() should _not_ be called after rfkill_unregister().
  */
 void rfkill_free(struct rfkill *rfkill)
@@ -585,8 +599,10 @@ static void rfkill_led_trigger_register(struct rfkill *rfkill)
 static void rfkill_led_trigger_unregister(struct rfkill *rfkill)
 {
 #ifdef CONFIG_RFKILL_LEDS
-	if (rfkill->led_trigger.name)
+	if (rfkill->led_trigger.name) {
 		led_trigger_unregister(&rfkill->led_trigger);
+		rfkill->led_trigger.name = NULL;
+	}
 #endif
 }
 
@@ -622,8 +638,8 @@ int rfkill_register(struct rfkill *rfkill)
 
 	error = device_add(dev);
 	if (error) {
-		rfkill_led_trigger_unregister(rfkill);
 		rfkill_remove_switch(rfkill);
+		rfkill_led_trigger_unregister(rfkill);
 		return error;
 	}
 
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index b7fefffd2d0..59eb2cf42e5 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -29,16 +29,16 @@ static struct genl_family nl80211_fam = {
 };
 
 /* internal helper: get drv and dev */
-static int get_drv_dev_by_info_ifindex(struct genl_info *info,
+static int get_drv_dev_by_info_ifindex(struct nlattr **attrs,
 				       struct cfg80211_registered_device **drv,
 				       struct net_device **dev)
 {
 	int ifindex;
 
-	if (!info->attrs[NL80211_ATTR_IFINDEX])
+	if (!attrs[NL80211_ATTR_IFINDEX])
 		return -EINVAL;
 
-	ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
+	ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
 	*dev = dev_get_by_index(&init_net, ifindex);
 	if (!*dev)
 		return -ENODEV;
@@ -291,21 +291,31 @@ static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *
 
 	mutex_lock(&cfg80211_drv_mutex);
 	list_for_each_entry(dev, &cfg80211_drv_list, list) {
-		if (++wp_idx < wp_start)
+		if (wp_idx < wp_start) {
+			wp_idx++;
 			continue;
+		}
 		if_idx = 0;
 
 		mutex_lock(&dev->devlist_mtx);
 		list_for_each_entry(wdev, &dev->netdev_list, list) {
-			if (++if_idx < if_start)
+			if (if_idx < if_start) {
+				if_idx++;
 				continue;
+			}
 			if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).pid,
 					       cb->nlh->nlmsg_seq, NLM_F_MULTI,
-					       wdev->netdev) < 0)
-				break;
+					       wdev->netdev) < 0) {
+				mutex_unlock(&dev->devlist_mtx);
+				goto out;
+			}
+			if_idx++;
 		}
 		mutex_unlock(&dev->devlist_mtx);
+
+		wp_idx++;
 	}
+ out:
 	mutex_unlock(&cfg80211_drv_mutex);
 
 	cb->args[0] = wp_idx;
@@ -321,7 +331,7 @@ static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
 	struct net_device *netdev;
 	int err;
 
-	err = get_drv_dev_by_info_ifindex(info, &dev, &netdev);
+	err = get_drv_dev_by_info_ifindex(info->attrs, &dev, &netdev);
 	if (err)
 		return err;
 
@@ -392,7 +402,7 @@ static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
 	} else
 		return -EINVAL;
 
-	err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+	err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
 	if (err)
 		return err;
 	ifindex = dev->ifindex;
@@ -477,7 +487,7 @@ static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
 	int ifindex, err;
 	struct net_device *dev;
 
-	err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+	err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
 	if (err)
 		return err;
 	ifindex = dev->ifindex;
@@ -545,7 +555,7 @@ static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
 	if (info->attrs[NL80211_ATTR_MAC])
 		mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
 
-	err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+	err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
 	if (err)
 		return err;
 
@@ -618,7 +628,7 @@ static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
 	if (!info->attrs[NL80211_ATTR_KEY_DEFAULT])
 		return -EINVAL;
 
-	err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+	err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
 	if (err)
 		return err;
 
@@ -699,7 +709,7 @@ static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
 		return -EINVAL;
 	}
 
-	err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+	err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
 	if (err)
 		return err;
 
@@ -735,7 +745,7 @@ static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
 	if (info->attrs[NL80211_ATTR_MAC])
 		mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
 
-	err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+	err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
 	if (err)
 		return err;
 
@@ -764,7 +774,7 @@ static int nl80211_addset_beacon(struct sk_buff *skb, struct genl_info *info)
 	struct beacon_parameters params;
 	int haveinfo = 0;
 
-	err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+	err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
 	if (err)
 		return err;
 
@@ -843,7 +853,7 @@ static int nl80211_del_beacon(struct sk_buff *skb, struct genl_info *info)
 	int err;
 	struct net_device *dev;
 
-	err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+	err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
 	if (err)
 		return err;
 
@@ -937,67 +947,78 @@ static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq,
 }
 
 static int nl80211_dump_station(struct sk_buff *skb,
-		struct netlink_callback *cb)
+				struct netlink_callback *cb)
 {
-	int wp_idx = 0;
-	int if_idx = 0;
-	int sta_idx = cb->args[2];
-	int wp_start = cb->args[0];
-	int if_start = cb->args[1];
 	struct station_info sinfo;
 	struct cfg80211_registered_device *dev;
-	struct wireless_dev *wdev;
+	struct net_device *netdev;
 	u8 mac_addr[ETH_ALEN];
+	int ifidx = cb->args[0];
+	int sta_idx = cb->args[1];
 	int err;
-	int exit = 0;
 
-	/* TODO: filter by device */
-	mutex_lock(&cfg80211_drv_mutex);
-	list_for_each_entry(dev, &cfg80211_drv_list, list) {
-		if (exit)
+	if (!ifidx) {
+		err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
+				  nl80211_fam.attrbuf, nl80211_fam.maxattr,
+				  nl80211_policy);
+		if (err)
+			return err;
+
+		if (!nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX])
+			return -EINVAL;
+
+		ifidx = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]);
+		if (!ifidx)
+			return -EINVAL;
+	}
+
+	netdev = dev_get_by_index(&init_net, ifidx);
+	if (!netdev)
+		return -ENODEV;
+
+	dev = cfg80211_get_dev_from_ifindex(ifidx);
+	if (IS_ERR(dev)) {
+		err = PTR_ERR(dev);
+		goto out_put_netdev;
+	}
+
+	if (!dev->ops->dump_station) {
+		err = -ENOSYS;
+		goto out_err;
+	}
+
+	rtnl_lock();
+
+	while (1) {
+		err = dev->ops->dump_station(&dev->wiphy, netdev, sta_idx,
+					     mac_addr, &sinfo);
+		if (err == -ENOENT)
 			break;
-		if (++wp_idx < wp_start)
-			continue;
-		if_idx = 0;
+		if (err)
+			goto out_err_rtnl;
 
-		mutex_lock(&dev->devlist_mtx);
-		list_for_each_entry(wdev, &dev->netdev_list, list) {
-			if (exit)
-				break;
-			if (++if_idx < if_start)
-				continue;
-			if (!dev->ops->dump_station)
-				continue;
+		if (nl80211_send_station(skb,
+				NETLINK_CB(cb->skb).pid,
+				cb->nlh->nlmsg_seq, NLM_F_MULTI,
+				netdev, mac_addr,
+				&sinfo) < 0)
+			goto out;
 
-			for (;; ++sta_idx) {
-				rtnl_lock();
-				err = dev->ops->dump_station(&dev->wiphy,
-						wdev->netdev, sta_idx, mac_addr,
-						&sinfo);
-				rtnl_unlock();
-				if (err) {
-					sta_idx = 0;
-					break;
-				}
-				if (nl80211_send_station(skb,
-						NETLINK_CB(cb->skb).pid,
-						cb->nlh->nlmsg_seq, NLM_F_MULTI,
-						wdev->netdev, mac_addr,
-						&sinfo) < 0) {
-					exit = 1;
-					break;
-				}
-			}
-		}
-		mutex_unlock(&dev->devlist_mtx);
+		sta_idx++;
 	}
-	mutex_unlock(&cfg80211_drv_mutex);
 
-	cb->args[0] = wp_idx;
-	cb->args[1] = if_idx;
-	cb->args[2] = sta_idx;
 
-	return skb->len;
+ out:
+	cb->args[1] = sta_idx;
+	err = skb->len;
+ out_err_rtnl:
+	rtnl_unlock();
+ out_err:
+	cfg80211_put_dev(dev);
+ out_put_netdev:
+	dev_put(netdev);
+
+	return err;
 }
 
 static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
@@ -1016,7 +1037,7 @@ static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
 
 	mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
 
-	err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+	err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
 	if (err)
 		return err;
 
@@ -1112,7 +1133,7 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
 		params.plink_action =
 		    nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
 
-	err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+	err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
 	if (err)
 		return err;
 
@@ -1172,7 +1193,7 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
 				&params.station_flags))
 		return -EINVAL;
 
-	err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+	err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
 	if (err)
 		return err;
 
@@ -1207,7 +1228,7 @@ static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
 	if (info->attrs[NL80211_ATTR_MAC])
 		mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
 
-	err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+	err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
 	if (err)
 		return err;
 
@@ -1277,68 +1298,78 @@ static int nl80211_send_mpath(struct sk_buff *msg, u32 pid, u32 seq,
 }
 
 static int nl80211_dump_mpath(struct sk_buff *skb,
-		struct netlink_callback *cb)
+			      struct netlink_callback *cb)
 {
-	int wp_idx = 0;
-	int if_idx = 0;
-	int sta_idx = cb->args[2];
-	int wp_start = cb->args[0];
-	int if_start = cb->args[1];
 	struct mpath_info pinfo;
 	struct cfg80211_registered_device *dev;
-	struct wireless_dev *wdev;
+	struct net_device *netdev;
 	u8 dst[ETH_ALEN];
 	u8 next_hop[ETH_ALEN];
+	int ifidx = cb->args[0];
+	int path_idx = cb->args[1];
 	int err;
-	int exit = 0;
 
-	/* TODO: filter by device */
-	mutex_lock(&cfg80211_drv_mutex);
-	list_for_each_entry(dev, &cfg80211_drv_list, list) {
-		if (exit)
+	if (!ifidx) {
+		err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
+				  nl80211_fam.attrbuf, nl80211_fam.maxattr,
+				  nl80211_policy);
+		if (err)
+			return err;
+
+		if (!nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX])
+			return -EINVAL;
+
+		ifidx = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]);
+		if (!ifidx)
+			return -EINVAL;
+	}
+
+	netdev = dev_get_by_index(&init_net, ifidx);
+	if (!netdev)
+		return -ENODEV;
+
+	dev = cfg80211_get_dev_from_ifindex(ifidx);
+	if (IS_ERR(dev)) {
+		err = PTR_ERR(dev);
+		goto out_put_netdev;
+	}
+
+	if (!dev->ops->dump_mpath) {
+		err = -ENOSYS;
+		goto out_err;
+	}
+
+	rtnl_lock();
+
+	while (1) {
+		err = dev->ops->dump_mpath(&dev->wiphy, netdev, path_idx,
+					   dst, next_hop, &pinfo);
+		if (err == -ENOENT)
 			break;
-		if (++wp_idx < wp_start)
-			continue;
-		if_idx = 0;
+		if (err)
+			goto out_err_rtnl;
 
-		mutex_lock(&dev->devlist_mtx);
-		list_for_each_entry(wdev, &dev->netdev_list, list) {
-			if (exit)
-				break;
-			if (++if_idx < if_start)
-				continue;
-			if (!dev->ops->dump_mpath)
-				continue;
+		if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).pid,
+				       cb->nlh->nlmsg_seq, NLM_F_MULTI,
+				       netdev, dst, next_hop,
+				       &pinfo) < 0)
+			goto out;
 
-			for (;; ++sta_idx) {
-				rtnl_lock();
-				err = dev->ops->dump_mpath(&dev->wiphy,
-						wdev->netdev, sta_idx, dst,
-						next_hop, &pinfo);
-				rtnl_unlock();
-				if (err) {
-					sta_idx = 0;
-					break;
-				}
-				if (nl80211_send_mpath(skb,
-						NETLINK_CB(cb->skb).pid,
-						cb->nlh->nlmsg_seq, NLM_F_MULTI,
-						wdev->netdev, dst, next_hop,
-						&pinfo) < 0) {
-					exit = 1;
-					break;
-				}
-			}
-		}
-		mutex_unlock(&dev->devlist_mtx);
+		path_idx++;
 	}
-	mutex_unlock(&cfg80211_drv_mutex);
 
-	cb->args[0] = wp_idx;
-	cb->args[1] = if_idx;
-	cb->args[2] = sta_idx;
 
-	return skb->len;
+ out:
+	cb->args[1] = path_idx;
+	err = skb->len;
+ out_err_rtnl:
+	rtnl_unlock();
+ out_err:
+	cfg80211_put_dev(dev);
+ out_put_netdev:
+	dev_put(netdev);
+
+	return err;
 }
 
 static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
@@ -1358,7 +1389,7 @@ static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
 
 	dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
 
-	err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+	err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
 	if (err)
 		return err;
 
@@ -1411,7 +1442,7 @@ static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
 	dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
 	next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
 
-	err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+	err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
 	if (err)
 		return err;
 
@@ -1446,7 +1477,7 @@ static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
 	dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
 	next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
 
-	err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+	err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
 	if (err)
 		return err;
 
@@ -1475,7 +1506,7 @@ static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
 	if (info->attrs[NL80211_ATTR_MAC])
 		dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
 
-	err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+	err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
 	if (err)
 		return err;