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

Conflicts:
	drivers/net/wireless/ath/ath9k/main.c
	net/bluetooth/hci_event.c

9 files changed, 91 insertions, 9 deletions

diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 47656be..1ba929c 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -3040,6 +3040,50 @@ static void hci_extended_inquiry_result_evt(struct hci_dev *hdev,
 	hci_dev_unlock(hdev);
 }
 
+static void hci_key_refresh_complete_evt(struct hci_dev *hdev,
+					 struct sk_buff *skb)
+{
+	struct hci_ev_key_refresh_complete *ev = (void *) skb->data;
+	struct hci_conn *conn;
+
+	BT_DBG("%s status %u handle %u", hdev->name, ev->status,
+	       __le16_to_cpu(ev->handle));
+
+	hci_dev_lock(hdev);
+
+	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
+	if (!conn)
+		goto unlock;
+
+	if (!ev->status)
+		conn->sec_level = conn->pending_sec_level;
+
+	clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
+
+	if (ev->status && conn->state == BT_CONNECTED) {
+		hci_acl_disconn(conn, HCI_ERROR_AUTH_FAILURE);
+		hci_conn_put(conn);
+		goto unlock;
+	}
+
+	if (conn->state == BT_CONFIG) {
+		if (!ev->status)
+			conn->state = BT_CONNECTED;
+
+		hci_proto_connect_cfm(conn, ev->status);
+		hci_conn_put(conn);
+	} else {
+		hci_auth_cfm(conn, ev->status);
+
+		hci_conn_hold(conn);
+		conn->disc_timeout = HCI_DISCONN_TIMEOUT;
+		hci_conn_put(conn);
+	}
+
+unlock:
+	hci_dev_unlock(hdev);
+}
+
 static u8 hci_get_auth_req(struct hci_conn *conn)
 {
 	/* If remote requests dedicated bonding follow that lead */
@@ -3560,6 +3604,10 @@ void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
 		hci_extended_inquiry_result_evt(hdev, skb);
 		break;
 
+	case HCI_EV_KEY_REFRESH_COMPLETE:
+		hci_key_refresh_complete_evt(hdev, skb);
+		break;
+
 	case HCI_EV_IO_CAPA_REQUEST:
 		hci_io_capa_request_evt(hdev, skb);
 		break;
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index f9bffe3..4ca8824 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -1314,7 +1314,12 @@ static void security_timeout(struct work_struct *work)
 	struct l2cap_conn *conn = container_of(work, struct l2cap_conn,
 						security_timer.work);
 
-	l2cap_conn_del(conn->hcon, ETIMEDOUT);
+	BT_DBG("conn %p", conn);
+
+	if (test_and_clear_bit(HCI_CONN_LE_SMP_PEND, &conn->hcon->flags)) {
+		smp_chan_destroy(conn);
+		l2cap_conn_del(conn->hcon, ETIMEDOUT);
+	}
 }
 
 static struct l2cap_conn *l2cap_conn_add(struct hci_conn *hcon, u8 status)
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 958f764..c72307c 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -1873,6 +1873,22 @@ static void pairing_complete_cb(struct hci_conn *conn, u8 status)
 		pairing_complete(cmd, mgmt_status(status));
 }
 
+static void le_connect_complete_cb(struct hci_conn *conn, u8 status)
+{
+	struct pending_cmd *cmd;
+
+	BT_DBG("status %u", status);
+
+	if (!status)
+		return;
+
+	cmd = find_pairing(conn);
+	if (!cmd)
+		BT_DBG("Unable to find a pending command");
+	else
+		pairing_complete(cmd, mgmt_status(status));
+}
+
 static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
 		       u16 len)
 {
@@ -1941,6 +1957,8 @@ static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
 	/* For LE, just connecting isn't a proof that the pairing finished */
 	if (cp->addr.type == BDADDR_BREDR)
 		conn->connect_cfm_cb = pairing_complete_cb;
+	else
+		conn->connect_cfm_cb = le_connect_complete_cb;
 
 	conn->security_cfm_cb = pairing_complete_cb;
 	conn->disconn_cfm_cb = pairing_complete_cb;
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index ff4835b..16ef0dc 100644
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -649,7 +649,7 @@ static u8 smp_cmd_pairing_rsp(struct l2cap_conn *conn, struct sk_buff *skb)
 
 	auth |= (req->auth_req | rsp->auth_req) & SMP_AUTH_MITM;
 
-	ret = tk_request(conn, 0, auth, rsp->io_capability, req->io_capability);
+	ret = tk_request(conn, 0, auth, req->io_capability, rsp->io_capability);
 	if (ret)
 		return SMP_UNSPECIFIED;
 
@@ -704,7 +704,7 @@ static u8 smp_cmd_pairing_random(struct l2cap_conn *conn, struct sk_buff *skb)
 	return 0;
 }
 
-static u8 smp_ltk_encrypt(struct l2cap_conn *conn)
+static u8 smp_ltk_encrypt(struct l2cap_conn *conn, u8 sec_level)
 {
 	struct smp_ltk *key;
 	struct hci_conn *hcon = conn->hcon;
@@ -713,6 +713,9 @@ static u8 smp_ltk_encrypt(struct l2cap_conn *conn)
 	if (!key)
 		return 0;
 
+	if (sec_level > BT_SECURITY_MEDIUM && !key->authenticated)
+		return 0;
+
 	if (test_and_set_bit(HCI_CONN_ENCRYPT_PEND, &hcon->flags))
 		return 1;
 
@@ -733,7 +736,7 @@ static u8 smp_cmd_security_req(struct l2cap_conn *conn, struct sk_buff *skb)
 
 	hcon->pending_sec_level = authreq_to_seclevel(rp->auth_req);
 
-	if (smp_ltk_encrypt(conn))
+	if (smp_ltk_encrypt(conn, hcon->pending_sec_level))
 		return 0;
 
 	if (test_and_set_bit(HCI_CONN_LE_SMP_PEND, &hcon->flags))
@@ -772,7 +775,7 @@ int smp_conn_security(struct l2cap_conn *conn, __u8 sec_level)
 		return 1;
 
 	if (hcon->link_mode & HCI_LM_MASTER)
-		if (smp_ltk_encrypt(conn))
+		if (smp_ltk_encrypt(conn, sec_level))
 			goto done;
 
 	if (test_and_set_bit(HCI_CONN_LE_SMP_PEND, &hcon->flags))
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 498c94e..85ac364 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -2097,6 +2097,9 @@ static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
 	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 	int i, ret;
 
+	if (!ieee80211_sdata_running(sdata))
+		return -ENETDOWN;
+
 	if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
 		ret = drv_set_bitrate_mask(local, sdata, mask);
 		if (ret)
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index d7134c1..079038d 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1337,6 +1337,8 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
 	if (WARN_ON(!ifmgd->associated))
 		return;
 
+	ieee80211_stop_poll(sdata);
+
 	memcpy(bssid, ifmgd->associated->bssid, ETH_ALEN);
 
 	ifmgd->associated = NULL;
@@ -2592,8 +2594,6 @@ static void ieee80211_sta_connection_lost(struct ieee80211_sub_if_data *sdata,
 	struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 	u8 frame_buf[DEAUTH_DISASSOC_LEN];
 
-	ieee80211_stop_poll(sdata);
-
 	ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH, reason,
 			       false, frame_buf);
 	mutex_unlock(&ifmgd->mtx);
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index 3bb24a1..a470e11 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -271,6 +271,9 @@ struct sta_ampdu_mlme {
  * @plink_timer: peer link watch timer
  * @plink_timer_was_running: used by suspend/resume to restore timers
  * @t_offset: timing offset relative to this host
+ * @t_offset_setpoint: reference timing offset of this sta to be used when
+ * 	calculating clockdrift
+ * @ch_type: peer's channel type
  * @debugfs: debug filesystem info
  * @dead: set to true when sta is unlinked
  * @uploaded: set to true when sta is uploaded to the driver
@@ -278,6 +281,8 @@ struct sta_ampdu_mlme {
  * @sta: station information we share with the driver
  * @sta_state: duplicates information about station state (for debug)
  * @beacon_loss_count: number of times beacon loss has triggered
+ * @supports_40mhz: tracks whether the station advertised 40 MHz support
+ *	as we overwrite its HT parameters with the currently used value
  */
 struct sta_info {
 	/* General information, mostly static */
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 15f3474..baf5704 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -1389,7 +1389,7 @@ static void reg_set_request_processed(void)
 	spin_unlock(&reg_requests_lock);
 
 	if (last_request->initiator == NL80211_REGDOM_SET_BY_USER)
-		cancel_delayed_work_sync(&reg_timeout);
+		cancel_delayed_work(&reg_timeout);
 
 	if (need_more_processing)
 		schedule_work(&reg_work);
diff --git a/net/wireless/util.c b/net/wireless/util.c
index 8f2d68f..316cfd0 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -804,7 +804,7 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
 	     ntype == NL80211_IFTYPE_P2P_CLIENT))
 		return -EBUSY;
 
-	if (ntype != otype) {
+	if (ntype != otype && netif_running(dev)) {
 		err = cfg80211_can_change_interface(rdev, dev->ieee80211_ptr,
 						    ntype);
 		if (err)