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

2012-02-20 14:47:17 -05:00
--- a/net/bluetooth/af_bluetooth.c
+++ b/net/bluetooth/af_bluetooth.c
@@ -71,19 +71,16 @@ static const char *const bt_slock_key_strings[BT_MAX_PROTO] = {
 	"slock-AF_BLUETOOTH-BTPROTO_AVDTP",
 };

-static inline void bt_sock_reclassify_lock(struct socket *sock, int proto)
+void bt_sock_reclassify_lock(struct sock *sk, int proto)
 {
-	struct sock *sk = sock->sk;
-
-	if (!sk)
-		return;
-
+	BUG_ON(!sk);
 	BUG_ON(sock_owned_by_user(sk));

 	sock_lock_init_class_and_name(sk,
 			bt_slock_key_strings[proto], &bt_slock_key[proto],
 				bt_key_strings[proto], &bt_lock_key[proto]);
 }
+EXPORT_SYMBOL(bt_sock_reclassify_lock);

 int bt_sock_register(int proto, const struct net_proto_family *ops)
 {
@@ -145,7 +142,8 @@ static int bt_sock_create(struct net *net, struct socket *sock, int proto,

 	if (bt_proto[proto] && try_module_get(bt_proto[proto]->owner)) {
 		err = bt_proto[proto]->create(net, sock, proto, kern);
-		bt_sock_reclassify_lock(sock, proto);
+		if (!err)
+			bt_sock_reclassify_lock(sock->sk, proto);
 		module_put(bt_proto[proto]->owner);
 	}

--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -635,6 +635,10 @@ static int hci_conn_auth(struct hci_conn *conn, __u8 sec_level, __u8 auth_type)

 	if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->pend)) {
 		struct hci_cp_auth_requested cp;
+
+		/* encrypt must be pending if auth is also pending */
+		set_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend);
+
 		cp.handle = cpu_to_le16(conn->handle);
 		hci_send_cmd(conn->hdev, HCI_OP_AUTH_REQUESTED,
 							sizeof(cp), &cp);
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -640,7 +640,8 @@ static int hci_dev_do_close(struct hci_dev *hdev)
 	/* Reset device */
 	skb_queue_purge(&hdev->cmd_q);
 	atomic_set(&hdev->cmd_cnt, 1);
-	if (!test_bit(HCI_RAW, &hdev->flags)) {
+	if (!test_bit(HCI_RAW, &hdev->flags) &&
+				test_bit(HCI_QUIRK_NO_RESET, &hdev->quirks)) {
 		set_bit(HCI_INIT, &hdev->flags);
 		__hci_request(hdev, hci_reset_req, 0,
 					msecs_to_jiffies(250));
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -1018,10 +1018,10 @@ static void l2cap_conn_del(struct hci_conn *hcon, int err)
 	hci_chan_del(conn->hchan);

 	if (conn->info_state & L2CAP_INFO_FEAT_MASK_REQ_SENT)
-		__cancel_delayed_work(&conn->info_timer);
+		cancel_delayed_work_sync(&conn->info_timer);

 	if (test_and_clear_bit(HCI_CONN_LE_SMP_PEND, &hcon->pend)) {
-		__cancel_delayed_work(&conn->security_timer);
+		cancel_delayed_work_sync(&conn->security_timer);
 		smp_chan_destroy(conn);
 	}

@@ -1120,7 +1120,7 @@ static struct l2cap_chan *l2cap_global_chan_by_psm(int state, __le16 psm, bdaddr
 	return c1;
 }

-inline int l2cap_chan_connect(struct l2cap_chan *chan, __le16 psm, u16 cid, bdaddr_t *dst)
+int l2cap_chan_connect(struct l2cap_chan *chan, __le16 psm, u16 cid, bdaddr_t *dst)
 {
 	struct sock *sk = chan->sk;
 	bdaddr_t *src = &bt_sk(sk)->src;
@@ -2574,7 +2574,7 @@ static inline int l2cap_command_rej(struct l2cap_conn *conn, struct l2cap_cmd_hd

 	if ((conn->info_state & L2CAP_INFO_FEAT_MASK_REQ_SENT) &&
 					cmd->ident == conn->info_ident) {
-		__cancel_delayed_work(&conn->info_timer);
+		cancel_delayed_work(&conn->info_timer);

 		conn->info_state |= L2CAP_INFO_FEAT_MASK_REQ_DONE;
 		conn->info_ident = 0;
@@ -2970,7 +2970,8 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr

 	default:
 		sk->sk_err = ECONNRESET;
-		__set_chan_timer(chan, L2CAP_DISC_REJ_TIMEOUT);
+		__set_chan_timer(chan,
+				msecs_to_jiffies(L2CAP_DISC_REJ_TIMEOUT));
 		l2cap_send_disconn_req(conn, chan, ECONNRESET);
 		goto done;
 	}
@@ -3120,7 +3121,7 @@ static inline int l2cap_information_rsp(struct l2cap_conn *conn, struct l2cap_cm
 			conn->info_state & L2CAP_INFO_FEAT_MASK_REQ_DONE)
 		return 0;

-	__cancel_delayed_work(&conn->info_timer);
+	cancel_delayed_work(&conn->info_timer);

 	if (result != L2CAP_IR_SUCCESS) {
 		conn->info_state |= L2CAP_INFO_FEAT_MASK_REQ_DONE;
@@ -4478,7 +4479,8 @@ static inline void l2cap_check_encryption(struct l2cap_chan *chan, u8 encrypt)
 	if (encrypt == 0x00) {
 		if (chan->sec_level == BT_SECURITY_MEDIUM) {
 			__clear_chan_timer(chan);
-			__set_chan_timer(chan, L2CAP_ENC_TIMEOUT);
+			__set_chan_timer(chan,
+					msecs_to_jiffies(L2CAP_ENC_TIMEOUT));
 		} else if (chan->sec_level == BT_SECURITY_HIGH)
 			l2cap_chan_close(chan, ECONNREFUSED);
 	} else {
@@ -4499,7 +4501,7 @@ int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt)

 	if (hcon->type == LE_LINK) {
 		smp_distribute_keys(conn, 0);
-		__cancel_delayed_work(&conn->security_timer);
+		cancel_delayed_work(&conn->security_timer);
 	}

 	rcu_read_lock();
@@ -4546,7 +4548,8 @@ int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt)
 					L2CAP_CONN_REQ, sizeof(req), &req);
 			} else {
 				__clear_chan_timer(chan);
-				__set_chan_timer(chan, L2CAP_DISC_TIMEOUT);
+				__set_chan_timer(chan,
+					msecs_to_jiffies(L2CAP_DISC_TIMEOUT));
 			}
 		} else if (chan->state == BT_CONNECT2) {
 			struct l2cap_conn_rsp rsp;
@@ -4566,7 +4569,8 @@ int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt)
 				}
 			} else {
 				l2cap_state_change(chan, BT_DISCONN);
-				__set_chan_timer(chan, L2CAP_DISC_TIMEOUT);
+				__set_chan_timer(chan,
+					msecs_to_jiffies(L2CAP_DISC_TIMEOUT));
 				res = L2CAP_CR_SEC_BLOCK;
 				stat = L2CAP_CS_NO_INFO;
 			}
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -849,6 +849,8 @@ static struct l2cap_chan *l2cap_sock_new_connection_cb(void *data)
 	if (!sk)
 		return NULL;

+	bt_sock_reclassify_lock(sk, BTPROTO_L2CAP);
+
 	l2cap_sock_init(sk, parent);

 	return l2cap_pi(sk)->chan;
@@ -1002,7 +1004,7 @@ static struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock, int p
 	INIT_LIST_HEAD(&bt_sk(sk)->accept_q);

 	sk->sk_destruct = l2cap_sock_destruct;
-	sk->sk_sndtimeo = L2CAP_CONN_TIMEOUT;
+	sk->sk_sndtimeo = msecs_to_jiffies(L2CAP_CONN_TIMEOUT);

 	sock_reset_flag(sk, SOCK_ZAPPED);

--- a/net/bluetooth/rfcomm/core.c
+++ b/net/bluetooth/rfcomm/core.c
@@ -1164,12 +1164,18 @@ static int rfcomm_recv_ua(struct rfcomm_session *s, u8 dlci)
 			break;

 		case BT_DISCONN:
-			/* When socket is closed and we are not RFCOMM
-			 * initiator rfcomm_process_rx already calls
-			 * rfcomm_session_put() */
-			if (s->sock->sk->sk_state != BT_CLOSED)
-				if (list_empty(&s->dlcs))
-					rfcomm_session_put(s);
+			/* rfcomm_session_put is called later so don't do
+			 * anything here otherwise we will mess up the session
+			 * reference counter:
+			 *
+			 * (a) when we are the initiator dlc_unlink will drive
+			 * the reference counter to 0 (there is no initial put
+			 * after session_add)
+			 *
+			 * (b) when we are not the initiator rfcomm_rx_process
+			 * will explicitly call put to balance the initial hold
+			 * done after session add.
+			 */
 			break;
 		}
 	}
--- a/net/bluetooth/rfcomm/sock.c
+++ b/net/bluetooth/rfcomm/sock.c
@@ -956,6 +956,8 @@ int rfcomm_connect_ind(struct rfcomm_session *s, u8 channel, struct rfcomm_dlc *
 	if (!sk)
 		goto done;

+	bt_sock_reclassify_lock(sk, BTPROTO_RFCOMM);
+
 	rfcomm_sock_init(sk, parent);
 	bacpy(&bt_sk(sk)->src, &src);
 	bacpy(&bt_sk(sk)->dst, &dst);
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -63,14 +63,14 @@ static ssize_t sta_flags_read(struct file *file, char __user *userbuf,
 	test_sta_flag(sta, WLAN_STA_##flg) ? #flg "\n" : ""

 	int res = scnprintf(buf, sizeof(buf),
-			    "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
+			    "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
 			    TEST(AUTH), TEST(ASSOC), TEST(PS_STA),
 			    TEST(PS_DRIVER), TEST(AUTHORIZED),
 			    TEST(SHORT_PREAMBLE),
 			    TEST(WME), TEST(WDS), TEST(CLEAR_PS_FILT),
 			    TEST(MFP), TEST(BLOCK_BA), TEST(PSPOLL),
 			    TEST(UAPSD), TEST(SP), TEST(TDLS_PEER),
-			    TEST(TDLS_PEER_AUTH));
+			    TEST(TDLS_PEER_AUTH), TEST(RATE_CONTROL));
 #undef TEST
 	return simple_read_from_buffer(userbuf, count, ppos, buf, res);
 }
--- a/net/mac80211/rate.c
+++ b/net/mac80211/rate.c
@@ -336,7 +336,7 @@ void rate_control_get_rate(struct ieee80211_sub_if_data *sdata,
 	int i;
 	u32 mask;

-	if (sta) {
+	if (sta && test_sta_flag(sta, WLAN_STA_RATE_CONTROL)) {
 		ista = &sta->sta;
 		priv_sta = sta->rate_ctrl_priv;
 	}
--- a/net/mac80211/rate.h
+++ b/net/mac80211/rate.h
@@ -41,7 +41,7 @@ static inline void rate_control_tx_status(struct ieee80211_local *local,
 	struct ieee80211_sta *ista = &sta->sta;
 	void *priv_sta = sta->rate_ctrl_priv;

-	if (!ref)
+	if (!ref || !test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
 		return;

 	ref->ops->tx_status(ref->priv, sband, ista, priv_sta, skb);
@@ -62,6 +62,7 @@ static inline void rate_control_rate_init(struct sta_info *sta)
 	sband = local->hw.wiphy->bands[local->hw.conf.channel->band];

 	ref->ops->rate_init(ref->priv, sband, ista, priv_sta);
+	set_sta_flag(sta, WLAN_STA_RATE_CONTROL);
 }

 static inline void rate_control_rate_update(struct ieee80211_local *local,
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -52,6 +52,7 @@
 * @WLAN_STA_SP: Station is in a service period, so don't try to
 *	reply to other uAPSD trigger frames or PS-Poll.
 * @WLAN_STA_4ADDR_EVENT: 4-addr event was already sent for this frame.
+ * @WLAN_STA_RATE_CONTROL: rate control was initialized for this station.
 */
 enum ieee80211_sta_info_flags {
 	WLAN_STA_AUTH,
@@ -71,6 +72,7 @@ enum ieee80211_sta_info_flags {
 	WLAN_STA_UAPSD,
 	WLAN_STA_SP,
 	WLAN_STA_4ADDR_EVENT,
+	WLAN_STA_RATE_CONTROL,
 };

 enum ieee80211_sta_state {