Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/padovan/bluetooth-next-2.6

drivers/bluetooth/btusb.c

@@ -71,6 +71,9 @@ static struct usb_device_id btusb_table[] = {
 	/* Apple MacBookAir3,1, MacBookAir3,2 */
 	{ USB_DEVICE(0x05ac, 0x821b) },
 
+	/* Apple MacBookPro8,2 */
+	{ USB_DEVICE(0x05ac, 0x821a) },
+
 	/* AVM BlueFRITZ! USB v2.0 */
 	{ USB_DEVICE(0x057c, 0x3800) },
 
@@ -690,7 +693,8 @@ static int btusb_send_frame(struct sk_buff *skb)
 		break;
 
 	case HCI_ACLDATA_PKT:
-		if (!data->bulk_tx_ep || hdev->conn_hash.acl_num < 1)
+		if (!data->bulk_tx_ep || (hdev->conn_hash.acl_num < 1 &&
+						hdev->conn_hash.le_num < 1))
 			return -ENODEV;
 
 		urb = usb_alloc_urb(0, GFP_ATOMIC);

include/net/bluetooth/hci.h

@@ -84,6 +84,8 @@ enum {
 	HCI_SERVICE_CACHE,
 	HCI_LINK_KEYS,
 	HCI_DEBUG_KEYS,
+
+	HCI_RESET,
 };
 
 /* HCI ioctl defines */
@@ -426,6 +428,18 @@ struct hci_rp_user_confirm_reply {
 
 #define HCI_OP_USER_CONFIRM_NEG_REPLY	0x042d
 
+#define HCI_OP_REMOTE_OOB_DATA_REPLY	0x0430
+struct hci_cp_remote_oob_data_reply {
+	bdaddr_t bdaddr;
+	__u8     hash[16];
+	__u8     randomizer[16];
+} __packed;
+
+#define HCI_OP_REMOTE_OOB_DATA_NEG_REPLY	0x0433
+struct hci_cp_remote_oob_data_neg_reply {
+	bdaddr_t bdaddr;
+} __packed;
+
 #define HCI_OP_IO_CAPABILITY_NEG_REPLY	0x0434
 struct hci_cp_io_capability_neg_reply {
 	bdaddr_t bdaddr;
@@ -535,15 +549,17 @@ struct hci_cp_delete_stored_link_key {
 	__u8     delete_all;
 } __packed;
 
+#define HCI_MAX_NAME_LENGTH		248
+
 #define HCI_OP_WRITE_LOCAL_NAME		0x0c13
 struct hci_cp_write_local_name {
-	__u8     name[248];
+	__u8     name[HCI_MAX_NAME_LENGTH];
 } __packed;
 
 #define HCI_OP_READ_LOCAL_NAME		0x0c14
 struct hci_rp_read_local_name {
 	__u8     status;
-	__u8     name[248];
+	__u8     name[HCI_MAX_NAME_LENGTH];
 } __packed;
 
 #define HCI_OP_WRITE_CA_TIMEOUT		0x0c16
@@ -600,6 +616,14 @@ struct hci_cp_host_buffer_size {
 
 #define HCI_OP_WRITE_INQUIRY_MODE	0x0c45
 
+#define HCI_MAX_EIR_LENGTH		240
+
+#define HCI_OP_WRITE_EIR		0x0c52
+struct hci_cp_write_eir {
+	uint8_t		fec;
+	uint8_t		data[HCI_MAX_EIR_LENGTH];
+} __packed;
+
 #define HCI_OP_READ_SSP_MODE		0x0c55
 struct hci_rp_read_ssp_mode {
 	__u8     status;
@@ -611,6 +635,13 @@ struct hci_cp_write_ssp_mode {
 	__u8     mode;
 } __packed;
 
+#define HCI_OP_READ_LOCAL_OOB_DATA		0x0c57
+struct hci_rp_read_local_oob_data {
+	__u8     status;
+	__u8     hash[16];
+	__u8     randomizer[16];
+} __packed;
+
 #define HCI_OP_READ_INQ_RSP_TX_POWER	0x0c58
 
 #define HCI_OP_READ_LOCAL_VERSION	0x1001
@@ -745,7 +776,7 @@ struct hci_ev_auth_complete {
 struct hci_ev_remote_name {
 	__u8     status;
 	bdaddr_t bdaddr;
-	__u8     name[248];
+	__u8     name[HCI_MAX_NAME_LENGTH];
 } __packed;
 
 #define HCI_EV_ENCRYPT_CHANGE		0x08
@@ -953,6 +984,11 @@ struct hci_ev_user_confirm_req {
 	__le32		passkey;
 } __packed;
 
+#define HCI_EV_REMOTE_OOB_DATA_REQUEST	0x35
+struct hci_ev_remote_oob_data_request {
+	bdaddr_t bdaddr;
+} __packed;
+
 #define HCI_EV_SIMPLE_PAIR_COMPLETE	0x36
 struct hci_ev_simple_pair_complete {
 	__u8     status;

include/net/bluetooth/hci_core.h

@@ -82,6 +82,13 @@ struct link_key {
 	u8 pin_len;
 };
 
+struct oob_data {
+	struct list_head list;
+	bdaddr_t bdaddr;
+	u8 hash[16];
+	u8 randomizer[16];
+};
+
 #define NUM_REASSEMBLY 4
 struct hci_dev {
 	struct list_head list;
@@ -94,7 +101,8 @@ struct hci_dev {
 	__u8		bus;
 	__u8		dev_type;
 	bdaddr_t	bdaddr;
-	__u8		dev_name[248];
+	__u8		dev_name[HCI_MAX_NAME_LENGTH];
+	__u8		eir[HCI_MAX_EIR_LENGTH];
 	__u8		dev_class[3];
 	__u8		major_class;
 	__u8		minor_class;
@@ -169,6 +177,8 @@ struct hci_dev {
 
 	struct list_head	link_keys;
 
+	struct list_head	remote_oob_data;
+
 	struct hci_dev_stats	stat;
 
 	struct sk_buff_head	driver_init;
@@ -505,6 +515,13 @@ int hci_add_link_key(struct hci_dev *hdev, int new_key, bdaddr_t *bdaddr,
 						u8 *key, u8 type, u8 pin_len);
 int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
 
+int hci_remote_oob_data_clear(struct hci_dev *hdev);
+struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev,
+							bdaddr_t *bdaddr);
+int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash,
+								u8 *randomizer);
+int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr);
+
 void hci_del_off_timer(struct hci_dev *hdev);
 
 void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
@@ -767,6 +784,12 @@ int mgmt_user_confirm_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status);
 int mgmt_user_confirm_neg_reply_complete(u16 index, bdaddr_t *bdaddr,
 								u8 status);
 int mgmt_auth_failed(u16 index, bdaddr_t *bdaddr, u8 status);
+int mgmt_set_local_name_complete(u16 index, u8 *name, u8 status);
+int mgmt_read_local_oob_data_reply_complete(u16 index, u8 *hash, u8 *randomizer,
+								u8 status);
+int mgmt_device_found(u16 index, bdaddr_t *bdaddr, u8 *dev_class, s8 rssi,
+								u8 *eir);
+int mgmt_remote_name(u16 index, bdaddr_t *bdaddr, u8 *name);
 
 /* HCI info for socket */
 #define hci_pi(sk) ((struct hci_pinfo *) sk)

include/net/bluetooth/l2cap.h

@@ -280,7 +280,6 @@ struct l2cap_conn_param_update_rsp {
 struct l2cap_chan_list {
 	struct sock	*head;
 	rwlock_t	lock;
-	long		num;
 };
 
 struct l2cap_conn {
@@ -302,7 +301,6 @@ struct l2cap_conn {
 
 	struct sk_buff *rx_skb;
 	__u32		rx_len;
-	__u8		rx_ident;
 	__u8		tx_ident;
 
 	__u8		disc_reason;

include/net/bluetooth/mgmt.h

@@ -41,6 +41,10 @@ struct mgmt_rp_read_index_list {
 	__le16 index[0];
 } __packed;
 
+/* Reserve one extra byte for names in management messages so that they
+ * are always guaranteed to be nul-terminated */
+#define MGMT_MAX_NAME_LENGTH		(HCI_MAX_NAME_LENGTH + 1)
+
 #define MGMT_OP_READ_INFO		0x0004
 struct mgmt_rp_read_info {
 	__u8 type;
@@ -55,6 +59,7 @@ struct mgmt_rp_read_info {
 	__u16 manufacturer;
 	__u8 hci_ver;
 	__u16 hci_rev;
+	__u8 name[MGMT_MAX_NAME_LENGTH];
 } __packed;
 
 struct mgmt_mode {
@@ -167,6 +172,29 @@ struct mgmt_rp_user_confirm_reply {
 
 #define MGMT_OP_USER_CONFIRM_NEG_REPLY	0x0016
 
+#define MGMT_OP_SET_LOCAL_NAME		0x0017
+struct mgmt_cp_set_local_name {
+	__u8 name[MGMT_MAX_NAME_LENGTH];
+} __packed;
+
+#define MGMT_OP_READ_LOCAL_OOB_DATA	0x0018
+struct mgmt_rp_read_local_oob_data {
+	__u8 hash[16];
+	__u8 randomizer[16];
+} __packed;
+
+#define MGMT_OP_ADD_REMOTE_OOB_DATA	0x0019
+struct mgmt_cp_add_remote_oob_data {
+	bdaddr_t bdaddr;
+	__u8 hash[16];
+	__u8 randomizer[16];
+} __packed;
+
+#define MGMT_OP_REMOVE_REMOTE_OOB_DATA	0x001A
+struct mgmt_cp_remove_remote_oob_data {
+	bdaddr_t bdaddr;
+} __packed;
+
 #define MGMT_EV_CMD_COMPLETE		0x0001
 struct mgmt_ev_cmd_complete {
 	__le16 opcode;
@@ -234,3 +262,22 @@ struct mgmt_ev_auth_failed {
 	bdaddr_t bdaddr;
 	__u8 status;
 } __packed;
+
+#define MGMT_EV_LOCAL_NAME_CHANGED	0x0011
+struct mgmt_ev_local_name_changed {
+	__u8 name[MGMT_MAX_NAME_LENGTH];
+} __packed;
+
+#define MGMT_EV_DEVICE_FOUND		0x0012
+struct mgmt_ev_device_found {
+	bdaddr_t bdaddr;
+	__u8 dev_class[3];
+	__s8 rssi;
+	__u8 eir[HCI_MAX_EIR_LENGTH];
+} __packed;
+
+#define MGMT_EV_REMOTE_NAME		0x0013
+struct mgmt_ev_remote_name {
+	bdaddr_t bdaddr;
+	__u8 name[MGMT_MAX_NAME_LENGTH];
+} __packed;

net/bluetooth/bnep/bnep.h

@@ -23,88 +23,88 @@
 #include <linux/crc32.h>
 #include <net/bluetooth/bluetooth.h>
 
-// Limits
-#define BNEP_MAX_PROTO_FILTERS     5
-#define BNEP_MAX_MULTICAST_FILTERS 20
-
-// UUIDs
-#define BNEP_BASE_UUID 0x0000000000001000800000805F9B34FB
-#define BNEP_UUID16    0x02
-#define BNEP_UUID32    0x04
-#define BNEP_UUID128   0x16
-
-#define BNEP_SVC_PANU  0x1115
-#define BNEP_SVC_NAP   0x1116
-#define BNEP_SVC_GN    0x1117
-
-// Packet types
-#define BNEP_GENERAL               0x00
-#define BNEP_CONTROL               0x01
-#define BNEP_COMPRESSED            0x02
-#define BNEP_COMPRESSED_SRC_ONLY   0x03
-#define BNEP_COMPRESSED_DST_ONLY   0x04
-
-// Control types
-#define BNEP_CMD_NOT_UNDERSTOOD    0x00
-#define BNEP_SETUP_CONN_REQ        0x01
-#define BNEP_SETUP_CONN_RSP        0x02
-#define BNEP_FILTER_NET_TYPE_SET   0x03
-#define BNEP_FILTER_NET_TYPE_RSP   0x04
-#define BNEP_FILTER_MULTI_ADDR_SET 0x05
-#define BNEP_FILTER_MULTI_ADDR_RSP 0x06
-
-// Extension types
-#define BNEP_EXT_CONTROL           0x00
-
-// Response messages
-#define BNEP_SUCCESS               0x00
-
-#define BNEP_CONN_INVALID_DST      0x01
-#define BNEP_CONN_INVALID_SRC      0x02
-#define BNEP_CONN_INVALID_SVC      0x03
-#define BNEP_CONN_NOT_ALLOWED      0x04
-
-#define BNEP_FILTER_UNSUPPORTED_REQ    0x01
-#define BNEP_FILTER_INVALID_RANGE      0x02
-#define BNEP_FILTER_INVALID_MCADDR     0x02
-#define BNEP_FILTER_LIMIT_REACHED      0x03
-#define BNEP_FILTER_DENIED_SECURITY    0x04
-
-// L2CAP settings
-#define BNEP_MTU         1691
-#define BNEP_PSM	 0x0f
-#define BNEP_FLUSH_TO    0xffff
-#define BNEP_CONNECT_TO  15
-#define BNEP_FILTER_TO   15
-
-// Headers
-#define BNEP_TYPE_MASK	 0x7f
-#define BNEP_EXT_HEADER	 0x80
+/* Limits */
+#define BNEP_MAX_PROTO_FILTERS		5
+#define BNEP_MAX_MULTICAST_FILTERS	20
+
+/* UUIDs */
+#define BNEP_BASE_UUID	0x0000000000001000800000805F9B34FB
+#define BNEP_UUID16	0x02
+#define BNEP_UUID32	0x04
+#define BNEP_UUID128	0x16
+
+#define BNEP_SVC_PANU	0x1115
+#define BNEP_SVC_NAP	0x1116
+#define BNEP_SVC_GN	0x1117
+
+/* Packet types */
+#define BNEP_GENERAL			0x00
+#define BNEP_CONTROL			0x01
+#define BNEP_COMPRESSED			0x02
+#define BNEP_COMPRESSED_SRC_ONLY	0x03
+#define BNEP_COMPRESSED_DST_ONLY	0x04
+
+/* Control types */
+#define BNEP_CMD_NOT_UNDERSTOOD		0x00
+#define BNEP_SETUP_CONN_REQ		0x01
+#define BNEP_SETUP_CONN_RSP		0x02
+#define BNEP_FILTER_NET_TYPE_SET	0x03
+#define BNEP_FILTER_NET_TYPE_RSP	0x04
+#define BNEP_FILTER_MULTI_ADDR_SET	0x05
+#define BNEP_FILTER_MULTI_ADDR_RSP	0x06
+
+/* Extension types */
+#define BNEP_EXT_CONTROL 0x00
+
+/* Response messages */
+#define BNEP_SUCCESS 0x00
+
+#define BNEP_CONN_INVALID_DST 0x01
+#define BNEP_CONN_INVALID_SRC 0x02
+#define BNEP_CONN_INVALID_SVC 0x03
+#define BNEP_CONN_NOT_ALLOWED 0x04
+
+#define BNEP_FILTER_UNSUPPORTED_REQ	0x01
+#define BNEP_FILTER_INVALID_RANGE	0x02
+#define BNEP_FILTER_INVALID_MCADDR	0x02
+#define BNEP_FILTER_LIMIT_REACHED	0x03
+#define BNEP_FILTER_DENIED_SECURITY	0x04
+
+/* L2CAP settings */
+#define BNEP_MTU	1691
+#define BNEP_PSM	0x0f
+#define BNEP_FLUSH_TO	0xffff
+#define BNEP_CONNECT_TO	15
+#define BNEP_FILTER_TO	15
+
+/* Headers */
+#define BNEP_TYPE_MASK	0x7f
+#define BNEP_EXT_HEADER	0x80
 
 struct bnep_setup_conn_req {
-	__u8  type;
-	__u8  ctrl;
-	__u8  uuid_size;
-	__u8  service[0];
+	__u8 type;
+	__u8 ctrl;
+	__u8 uuid_size;
+	__u8 service[0];
 } __packed;
 
 struct bnep_set_filter_req {
-	__u8  type;
-	__u8  ctrl;
+	__u8 type;
+	__u8 ctrl;
 	__be16 len;
-	__u8  list[0];
+	__u8 list[0];
 } __packed;
 
 struct bnep_control_rsp {
-	__u8  type;
-	__u8  ctrl;
+	__u8 type;
+	__u8 ctrl;
 	__be16 resp;
 } __packed;
 
 struct bnep_ext_hdr {
-	__u8  type;
-	__u8  len;
-	__u8  data[0];
+	__u8 type;
+	__u8 len;
+	__u8 data[0];
 } __packed;
 
 /* BNEP ioctl defines */
@@ -114,10 +114,10 @@ struct bnep_ext_hdr {
 #define BNEPGETCONNINFO	_IOR('B', 211, int)
 
 struct bnep_connadd_req {
-	int   sock;       // Connected socket
+	int   sock;		/* Connected socket */
 	__u32 flags;
 	__u16 role;
-	char  device[16]; // Name of the Ethernet device
+	char  device[16];	/* Name of the Ethernet device */
 };
 
 struct bnep_conndel_req {
@@ -148,14 +148,14 @@ int bnep_del_connection(struct bnep_conndel_req *req);
 int bnep_get_connlist(struct bnep_connlist_req *req);
 int bnep_get_conninfo(struct bnep_conninfo *ci);
 
-// BNEP sessions
+/* BNEP sessions */
 struct bnep_session {
 	struct list_head list;
 
 	unsigned int  role;
 	unsigned long state;
 	unsigned long flags;
-	atomic_t      killed;
+	struct task_struct *task;
 
 	struct ethhdr eh;
 	struct msghdr msg;
@@ -173,7 +173,7 @@ void bnep_sock_cleanup(void);
 
 static inline int bnep_mc_hash(__u8 *addr)
 {
-	return (crc32_be(~0, addr, ETH_ALEN) >> 26);
+	return crc32_be(~0, addr, ETH_ALEN) >> 26;
 }
 
 #endif

net/bluetooth/bnep/core.c

@@ -36,6 +36,7 @@
 #include <linux/errno.h>
 #include <linux/net.h>
 #include <linux/slab.h>
+#include <linux/kthread.h>
 #include <net/sock.h>
 
 #include <linux/socket.h>
@@ -131,7 +132,8 @@ static int bnep_ctrl_set_netfilter(struct bnep_session *s, __be16 *data, int len
 		return -EILSEQ;
 
 	n = get_unaligned_be16(data);
-	data++; len -= 2;
+	data++;
+	len -= 2;
 
 	if (len < n)
 		return -EILSEQ;
@@ -176,7 +178,8 @@ static int bnep_ctrl_set_mcfilter(struct bnep_session *s, u8 *data, int len)
 		return -EILSEQ;
 
 	n = get_unaligned_be16(data);
-	data += 2; len -= 2;
+	data += 2;
+	len -= 2;
 
 	if (len < n)
 		return -EILSEQ;
@@ -187,6 +190,8 @@ static int bnep_ctrl_set_mcfilter(struct bnep_session *s, u8 *data, int len)
 	n /= (ETH_ALEN * 2);
 
 	if (n > 0) {
+		int i;
+
 		s->mc_filter = 0;
 
 		/* Always send broadcast */
@@ -196,18 +201,22 @@ static int bnep_ctrl_set_mcfilter(struct bnep_session *s, u8 *data, int len)
 		for (; n > 0; n--) {
 			u8 a1[6], *a2;
 
-			memcpy(a1, data, ETH_ALEN); data += ETH_ALEN;
-			a2 = data; data += ETH_ALEN;
+			memcpy(a1, data, ETH_ALEN);
+			data += ETH_ALEN;
+			a2 = data;
+			data += ETH_ALEN;
 
 			BT_DBG("mc filter %s -> %s",
 				batostr((void *) a1), batostr((void *) a2));
 
-			#define INCA(a) { int i = 5; while (i >=0 && ++a[i--] == 0); }
-
 			/* Iterate from a1 to a2 */
 			set_bit(bnep_mc_hash(a1), (ulong *) &s->mc_filter);
 			while (memcmp(a1, a2, 6) < 0 && s->mc_filter != ~0LL) {
-				INCA(a1);
+				/* Increment a1 */
+				i = 5;
+				while (i >= 0 && ++a1[i--] == 0)
+					;
+
 				set_bit(bnep_mc_hash(a1), (ulong *) &s->mc_filter);
 			}
 		}
@@ -227,7 +236,8 @@ static int bnep_rx_control(struct bnep_session *s, void *data, int len)
 	u8  cmd = *(u8 *)data;
 	int err = 0;
 
-	data++; len--;
+	data++;
+	len--;
 
 	switch (cmd) {
 	case BNEP_CMD_NOT_UNDERSTOOD:
@@ -302,7 +312,6 @@ static u8 __bnep_rx_hlen[] = {
 	ETH_ALEN + 2, /* BNEP_COMPRESSED_SRC_ONLY */
 	ETH_ALEN + 2  /* BNEP_COMPRESSED_DST_ONLY */
 };
-#define BNEP_RX_TYPES	(sizeof(__bnep_rx_hlen) - 1)
 
 static inline int bnep_rx_frame(struct bnep_session *s, struct sk_buff *skb)
 {
@@ -312,9 +321,10 @@ static inline int bnep_rx_frame(struct bnep_session *s, struct sk_buff *skb)
 
 	dev->stats.rx_bytes += skb->len;
 
-	type = *(u8 *) skb->data; skb_pull(skb, 1);
+	type = *(u8 *) skb->data;
+	skb_pull(skb, 1);
 
-	if ((type & BNEP_TYPE_MASK) > BNEP_RX_TYPES)
+	if ((type & BNEP_TYPE_MASK) >= sizeof(__bnep_rx_hlen))
 		goto badframe;
 
 	if ((type & BNEP_TYPE_MASK) == BNEP_CONTROL) {
@@ -367,14 +377,14 @@ static inline int bnep_rx_frame(struct bnep_session *s, struct sk_buff *skb)
 
 	case BNEP_COMPRESSED_DST_ONLY:
 		memcpy(__skb_put(nskb, ETH_ALEN), skb_mac_header(skb),
-		       ETH_ALEN);
+								ETH_ALEN);
 		memcpy(__skb_put(nskb, ETH_ALEN + 2), s->eh.h_source,
-		       ETH_ALEN + 2);
+								ETH_ALEN + 2);
 		break;
 
 	case BNEP_GENERAL:
 		memcpy(__skb_put(nskb, ETH_ALEN * 2), skb_mac_header(skb),
-		       ETH_ALEN * 2);
+								ETH_ALEN * 2);
 		put_unaligned(s->eh.h_proto, (__be16 *) __skb_put(nskb, 2));
 		break;
 	}
@@ -470,15 +480,14 @@ static int bnep_session(void *arg)
 
 	BT_DBG("");
 
-	daemonize("kbnepd %s", dev->name);
 	set_user_nice(current, -15);
 
 	init_waitqueue_entry(&wait, current);
 	add_wait_queue(sk_sleep(sk), &wait);
-	while (!atomic_read(&s->killed)) {
+	while (!kthread_should_stop()) {
 		set_current_state(TASK_INTERRUPTIBLE);
 
-		// RX
+		/* RX */
 		while ((skb = skb_dequeue(&sk->sk_receive_queue))) {
 			skb_orphan(skb);
 			bnep_rx_frame(s, skb);
@@ -487,7 +496,7 @@ static int bnep_session(void *arg)
 		if (sk->sk_state != BT_CONNECTED)
 			break;
 
-		// TX
+		/* TX */
 		while ((skb = skb_dequeue(&sk->sk_write_queue)))
 			if (bnep_tx_frame(s, skb))
 				break;
@@ -555,8 +564,8 @@ int bnep_add_connection(struct bnep_connadd_req *req, struct socket *sock)
 
 	/* session struct allocated as private part of net_device */
 	dev = alloc_netdev(sizeof(struct bnep_session),
-			   (*req->device) ? req->device : "bnep%d",
-			   bnep_net_setup);
+				(*req->device) ? req->device : "bnep%d",
+				bnep_net_setup);
 	if (!dev)
 		return -ENOMEM;
 
@@ -571,7 +580,7 @@ int bnep_add_connection(struct bnep_connadd_req *req, struct socket *sock)
 	s = netdev_priv(dev);
 
 	/* This is rx header therefore addresses are swapped.
-	 * ie eh.h_dest is our local address. */
+	 * ie. eh.h_dest is our local address. */
 	memcpy(s->eh.h_dest,   &src, ETH_ALEN);
 	memcpy(s->eh.h_source, &dst, ETH_ALEN);
 	memcpy(dev->dev_addr, s->eh.h_dest, ETH_ALEN);
@@ -597,17 +606,17 @@ int bnep_add_connection(struct bnep_connadd_req *req, struct socket *sock)
 	SET_NETDEV_DEVTYPE(dev, &bnep_type);
 
 	err = register_netdev(dev);
-	if (err) {
+	if (err)
 		goto failed;
-	}
 
 	__bnep_link_session(s);
 
-	err = kernel_thread(bnep_session, s, CLONE_KERNEL);
-	if (err < 0) {
+	s->task = kthread_run(bnep_session, s, "kbnepd %s", dev->name);
+	if (IS_ERR(s->task)) {
 		/* Session thread start failed, gotta cleanup. */
 		unregister_netdev(dev);
 		__bnep_unlink_session(s);
+		err = PTR_ERR(s->task);
 		goto failed;
 	}
 
@@ -631,15 +640,9 @@ int bnep_del_connection(struct bnep_conndel_req *req)
 	down_read(&bnep_session_sem);
 
 	s = __bnep_get_session(req->dst);
-	if (s) {
-		/* Wakeup user-space which is polling for socket errors.
-		 * This is temporary hack until we have shutdown in L2CAP */
-		s->sock->sk->sk_err = EUNATCH;
-
-		/* Kill session thread */
-		atomic_inc(&s->killed);
-		wake_up_interruptible(sk_sleep(s->sock->sk));
-	} else
+	if (s)
+		kthread_stop(s->task);
+	else
 		err = -ENOENT;
 
 	up_read(&bnep_session_sem);

net/bluetooth/bnep/sock.c

@@ -39,10 +39,10 @@
 #include <linux/init.h>
 #include <linux/compat.h>
 #include <linux/gfp.h>
+#include <linux/uaccess.h>
 #include <net/sock.h>
 
 #include <asm/system.h>
-#include <asm/uaccess.h>
 
 #include "bnep.h"
 

net/bluetooth/cmtp/capi.c

@@ -35,6 +35,7 @@
 #include <linux/ioctl.h>
 #include <linux/file.h>
 #include <linux/wait.h>
+#include <linux/kthread.h>
 #include <net/sock.h>
 
 #include <linux/isdn/capilli.h>
@@ -143,7 +144,7 @@ static void cmtp_send_capimsg(struct cmtp_session *session, struct sk_buff *skb)
 
 	skb_queue_tail(&session->transmit, skb);
 
-	cmtp_schedule(session);
+	wake_up_interruptible(sk_sleep(session->sock->sk));
 }
 
 static void cmtp_send_interopmsg(struct cmtp_session *session,
@@ -386,8 +387,7 @@ static void cmtp_reset_ctr(struct capi_ctr *ctrl)
 
 	capi_ctr_down(ctrl);
 
-	atomic_inc(&session->terminate);
-	cmtp_schedule(session);
+	kthread_stop(session->task);
 }
 
 static void cmtp_register_appl(struct capi_ctr *ctrl, __u16 appl, capi_register_params *rp)

net/bluetooth/cmtp/cmtp.h

@@ -37,7 +37,7 @@
 #define CMTP_LOOPBACK	0
 
 struct cmtp_connadd_req {
-	int   sock;	// Connected socket
+	int   sock;	/* Connected socket */
 	__u32 flags;
 };
 
@@ -81,7 +81,7 @@ struct cmtp_session {
 
 	char name[BTNAMSIZ];
 
-	atomic_t terminate;
+	struct task_struct *task;
 
 	wait_queue_head_t wait;
 
@@ -121,13 +121,6 @@ void cmtp_detach_device(struct cmtp_session *session);
 
 void cmtp_recv_capimsg(struct cmtp_session *session, struct sk_buff *skb);
 
-static inline void cmtp_schedule(struct cmtp_session *session)
-{
-	struct sock *sk = session->sock->sk;
-
-	wake_up_interruptible(sk_sleep(sk));
-}
-
 /* CMTP init defines */
 int cmtp_init_sockets(void);
 void cmtp_cleanup_sockets(void);

net/bluetooth/cmtp/core.c

@@ -35,6 +35,7 @@
 #include <linux/ioctl.h>
 #include <linux/file.h>
 #include <linux/init.h>
+#include <linux/kthread.h>
 #include <net/sock.h>
 
 #include <linux/isdn/capilli.h>
@@ -235,9 +236,12 @@ static void cmtp_process_transmit(struct cmtp_session *session)
 
 		size = min_t(uint, ((tail < 258) ? (tail - 2) : (tail - 3)), skb->len);
 
-		if ((scb->id < 0) && ((scb->id = cmtp_alloc_block_id(session)) < 0)) {
-			skb_queue_head(&session->transmit, skb);
-			break;
+		if (scb->id < 0) {
+			scb->id = cmtp_alloc_block_id(session);
+			if (scb->id < 0) {
+				skb_queue_head(&session->transmit, skb);
+				break;
+			}
 		}
 
 		if (size < 256) {
@@ -284,12 +288,11 @@ static int cmtp_session(void *arg)
 
 	BT_DBG("session %p", session);
 
-	daemonize("kcmtpd_ctr_%d", session->num);
 	set_user_nice(current, -15);
 
 	init_waitqueue_entry(&wait, current);
 	add_wait_queue(sk_sleep(sk), &wait);
-	while (!atomic_read(&session->terminate)) {
+	while (!kthread_should_stop()) {
 		set_current_state(TASK_INTERRUPTIBLE);
 
 		if (sk->sk_state != BT_CONNECTED)
@@ -367,9 +370,12 @@ int cmtp_add_connection(struct cmtp_connadd_req *req, struct socket *sock)
 
 	__cmtp_link_session(session);
 
-	err = kernel_thread(cmtp_session, session, CLONE_KERNEL);
-	if (err < 0)
+	session->task = kthread_run(cmtp_session, session, "kcmtpd_ctr_%d",
+								session->num);
+	if (IS_ERR(session->task)) {
+		err = PTR_ERR(session->task);
 		goto unlink;
+	}
 
 	if (!(session->flags & (1 << CMTP_LOOPBACK))) {
 		err = cmtp_attach_device(session);
@@ -406,9 +412,8 @@ int cmtp_del_connection(struct cmtp_conndel_req *req)
 		/* Flush the transmit queue */
 		skb_queue_purge(&session->transmit);
 
-		/* Kill session thread */
-		atomic_inc(&session->terminate);
-		cmtp_schedule(session);
+		/* Stop session thread */
+		kthread_stop(session->task);
 	} else
 		err = -ENOENT;
 

net/bluetooth/cmtp/sock.c

@@ -34,12 +34,12 @@
 #include <linux/file.h>
 #include <linux/compat.h>
 #include <linux/gfp.h>
+#include <linux/uaccess.h>
 #include <net/sock.h>
 
 #include <linux/isdn/capilli.h>
 
 #include <asm/system.h>
-#include <asm/uaccess.h>
 
 #include "cmtp.h"
 

net/bluetooth/hci_core.c

@@ -56,7 +56,6 @@
 static void hci_cmd_task(unsigned long arg);
 static void hci_rx_task(unsigned long arg);
 static void hci_tx_task(unsigned long arg);
-static void hci_notify(struct hci_dev *hdev, int event);
 
 static DEFINE_RWLOCK(hci_task_lock);
 
@@ -186,6 +185,7 @@ static void hci_reset_req(struct hci_dev *hdev, unsigned long opt)
 	BT_DBG("%s %ld", hdev->name, opt);
 
 	/* Reset device */
+	set_bit(HCI_RESET, &hdev->flags);
 	hci_send_cmd(hdev, HCI_OP_RESET, 0, NULL);
 }
 
@@ -213,8 +213,10 @@ static void hci_init_req(struct hci_dev *hdev, unsigned long opt)
 	/* Mandatory initialization */
 
 	/* Reset */
-	if (!test_bit(HCI_QUIRK_NO_RESET, &hdev->quirks))
+	if (!test_bit(HCI_QUIRK_NO_RESET, &hdev->quirks)) {
+			set_bit(HCI_RESET, &hdev->flags);
 			hci_send_cmd(hdev, HCI_OP_RESET, 0, NULL);
+	}
 
 	/* Read Local Supported Features */
 	hci_send_cmd(hdev, HCI_OP_READ_LOCAL_FEATURES, 0, NULL);
@@ -584,6 +586,9 @@ static int hci_dev_do_close(struct hci_dev *hdev)
 	hci_req_cancel(hdev, ENODEV);
 	hci_req_lock(hdev);
 
+	/* Stop timer, it might be running */
+	del_timer_sync(&hdev->cmd_timer);
+
 	if (!test_and_clear_bit(HCI_UP, &hdev->flags)) {
 		hci_req_unlock(hdev);
 		return 0;
@@ -623,7 +628,6 @@ static int hci_dev_do_close(struct hci_dev *hdev)
 
 	/* Drop last sent command */
 	if (hdev->sent_cmd) {
-		del_timer_sync(&hdev->cmd_timer);
 		kfree_skb(hdev->sent_cmd);
 		hdev->sent_cmd = NULL;
 	}
@@ -1074,9 +1078,74 @@ static void hci_cmd_timer(unsigned long arg)
 
 	BT_ERR("%s command tx timeout", hdev->name);
 	atomic_set(&hdev->cmd_cnt, 1);
+	clear_bit(HCI_RESET, &hdev->flags);
 	tasklet_schedule(&hdev->cmd_task);
 }
 
+struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev,
+							bdaddr_t *bdaddr)
+{
+	struct oob_data *data;
+
+	list_for_each_entry(data, &hdev->remote_oob_data, list)
+		if (bacmp(bdaddr, &data->bdaddr) == 0)
+			return data;
+
+	return NULL;
+}
+
+int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr)
+{
+	struct oob_data *data;
+
+	data = hci_find_remote_oob_data(hdev, bdaddr);
+	if (!data)
+		return -ENOENT;
+
+	BT_DBG("%s removing %s", hdev->name, batostr(bdaddr));
+
+	list_del(&data->list);
+	kfree(data);
+
+	return 0;
+}
+
+int hci_remote_oob_data_clear(struct hci_dev *hdev)
+{
+	struct oob_data *data, *n;
+
+	list_for_each_entry_safe(data, n, &hdev->remote_oob_data, list) {
+		list_del(&data->list);
+		kfree(data);
+	}
+
+	return 0;
+}
+
+int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash,
+								u8 *randomizer)
+{
+	struct oob_data *data;
+
+	data = hci_find_remote_oob_data(hdev, bdaddr);
+
+	if (!data) {
+		data = kmalloc(sizeof(*data), GFP_ATOMIC);
+		if (!data)
+			return -ENOMEM;
+
+		bacpy(&data->bdaddr, bdaddr);
+		list_add(&data->list, &hdev->remote_oob_data);
+	}
+
+	memcpy(data->hash, hash, sizeof(data->hash));
+	memcpy(data->randomizer, randomizer, sizeof(data->randomizer));
+
+	BT_DBG("%s for %s", hdev->name, batostr(bdaddr));
+
+	return 0;
+}
+
 /* Register HCI device */
 int hci_register_dev(struct hci_dev *hdev)
 {
@@ -1141,6 +1210,8 @@ int hci_register_dev(struct hci_dev *hdev)
 
 	INIT_LIST_HEAD(&hdev->link_keys);
 
+	INIT_LIST_HEAD(&hdev->remote_oob_data);
+
 	INIT_WORK(&hdev->power_on, hci_power_on);
 	INIT_WORK(&hdev->power_off, hci_power_off);
 	setup_timer(&hdev->off_timer, hci_auto_off, (unsigned long) hdev);
@@ -1220,6 +1291,7 @@ int hci_unregister_dev(struct hci_dev *hdev)
 	hci_blacklist_clear(hdev);
 	hci_uuids_clear(hdev);
 	hci_link_keys_clear(hdev);
+	hci_remote_oob_data_clear(hdev);
 	hci_dev_unlock_bh(hdev);
 
 	__hci_dev_put(hdev);
@@ -1269,7 +1341,7 @@ int hci_recv_frame(struct sk_buff *skb)
 EXPORT_SYMBOL(hci_recv_frame);
 
 static int hci_reassembly(struct hci_dev *hdev, int type, void *data,
-			  int count, __u8 index, gfp_t gfp_mask)
+						  int count, __u8 index)
 {
 	int len = 0;
 	int hlen = 0;
@@ -1299,7 +1371,7 @@ static int hci_reassembly(struct hci_dev *hdev, int type, void *data,
 			break;
 		}
 
-		skb = bt_skb_alloc(len, gfp_mask);
+		skb = bt_skb_alloc(len, GFP_ATOMIC);
 		if (!skb)
 			return -ENOMEM;
 
@@ -1385,8 +1457,7 @@ int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count)
 		return -EILSEQ;
 
 	while (count) {
-		rem = hci_reassembly(hdev, type, data, count,
-						type - 1, GFP_ATOMIC);
+		rem = hci_reassembly(hdev, type, data, count, type - 1);
 		if (rem < 0)
 			return rem;
 
@@ -1420,8 +1491,8 @@ int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count)
 		} else
 			type = bt_cb(skb)->pkt_type;
 
-		rem = hci_reassembly(hdev, type, data,
-					count, STREAM_REASSEMBLY, GFP_ATOMIC);
+		rem = hci_reassembly(hdev, type, data, count,
+							STREAM_REASSEMBLY);
 		if (rem < 0)
 			return rem;
 

net/bluetooth/hci_event.c

@@ -183,6 +183,8 @@ static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
 
 	BT_DBG("%s status 0x%x", hdev->name, status);
 
+	clear_bit(HCI_RESET, &hdev->flags);
+
 	hci_req_complete(hdev, HCI_OP_RESET, status);
 }
 
@@ -193,14 +195,17 @@ static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
 
 	BT_DBG("%s status 0x%x", hdev->name, status);
 
-	if (status)
-		return;
-
 	sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME);
 	if (!sent)
 		return;
 
-	memcpy(hdev->dev_name, sent, 248);
+	if (test_bit(HCI_MGMT, &hdev->flags))
+		mgmt_set_local_name_complete(hdev->id, sent, status);
+
+	if (status)
+		return;
+
+	memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH);
 }
 
 static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb)
@@ -212,7 +217,7 @@ static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb)
 	if (rp->status)
 		return;
 
-	memcpy(hdev->dev_name, rp->name, 248);
+	memcpy(hdev->dev_name, rp->name, HCI_MAX_NAME_LENGTH);
 }
 
 static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb)
@@ -819,6 +824,17 @@ static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev,
 								rp->status);
 }
 
+static void hci_cc_read_local_oob_data_reply(struct hci_dev *hdev,
+							struct sk_buff *skb)
+{
+	struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
+
+	BT_DBG("%s status 0x%x", hdev->name, rp->status);
+
+	mgmt_read_local_oob_data_reply_complete(hdev->id, rp->hash,
+						rp->randomizer, rp->status);
+}
+
 static inline void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
 {
 	BT_DBG("%s status 0x%x", hdev->name, status);
@@ -1212,7 +1228,7 @@ static inline void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *
 
 	hci_dev_lock(hdev);
 
-	for (; num_rsp; num_rsp--) {
+	for (; num_rsp; num_rsp--, info++) {
 		bacpy(&data.bdaddr, &info->bdaddr);
 		data.pscan_rep_mode	= info->pscan_rep_mode;
 		data.pscan_period_mode	= info->pscan_period_mode;
@@ -1221,8 +1237,9 @@ static inline void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *
 		data.clock_offset	= info->clock_offset;
 		data.rssi		= 0x00;
 		data.ssp_mode		= 0x00;
-		info++;
 		hci_inquiry_cache_update(hdev, &data);
+		mgmt_device_found(hdev->id, &info->bdaddr, info->dev_class, 0,
+									NULL);
 	}
 
 	hci_dev_unlock(hdev);
@@ -1480,6 +1497,9 @@ static inline void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb
 
 	hci_dev_lock(hdev);
 
+	if (ev->status == 0 && test_bit(HCI_MGMT, &hdev->flags))
+		mgmt_remote_name(hdev->id, &ev->bdaddr, ev->name);
+
 	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
 	if (conn && hci_outgoing_auth_needed(hdev, conn)) {
 		struct hci_cp_auth_requested cp;
@@ -1749,6 +1769,10 @@ static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *sk
 		hci_cc_pin_code_neg_reply(hdev, skb);
 		break;
 
+	case HCI_OP_READ_LOCAL_OOB_DATA:
+		hci_cc_read_local_oob_data_reply(hdev, skb);
+		break;
+
 	case HCI_OP_LE_READ_BUFFER_SIZE:
 		hci_cc_le_read_buffer_size(hdev, skb);
 		break;
@@ -1847,7 +1871,7 @@ static inline void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
 	if (ev->opcode != HCI_OP_NOP)
 		del_timer(&hdev->cmd_timer);
 
-	if (ev->ncmd) {
+	if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
 		atomic_set(&hdev->cmd_cnt, 1);
 		if (!skb_queue_empty(&hdev->cmd_q))
 			tasklet_schedule(&hdev->cmd_task);
@@ -2138,7 +2162,7 @@ static inline void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, struct
 		struct inquiry_info_with_rssi_and_pscan_mode *info;
 		info = (void *) (skb->data + 1);
 
-		for (; num_rsp; num_rsp--) {
+		for (; num_rsp; num_rsp--, info++) {
 			bacpy(&data.bdaddr, &info->bdaddr);
 			data.pscan_rep_mode	= info->pscan_rep_mode;
 			data.pscan_period_mode	= info->pscan_period_mode;
@@ -2147,13 +2171,15 @@ static inline void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, struct
 			data.clock_offset	= info->clock_offset;
 			data.rssi		= info->rssi;
 			data.ssp_mode		= 0x00;
-			info++;
 			hci_inquiry_cache_update(hdev, &data);
+			mgmt_device_found(hdev->id, &info->bdaddr,
+						info->dev_class, info->rssi,
+						NULL);
 		}
 	} else {
 		struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
 
-		for (; num_rsp; num_rsp--) {
+		for (; num_rsp; num_rsp--, info++) {
 			bacpy(&data.bdaddr, &info->bdaddr);
 			data.pscan_rep_mode	= info->pscan_rep_mode;
 			data.pscan_period_mode	= info->pscan_period_mode;
@@ -2162,8 +2188,10 @@ static inline void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, struct
 			data.clock_offset	= info->clock_offset;
 			data.rssi		= info->rssi;
 			data.ssp_mode		= 0x00;
-			info++;
 			hci_inquiry_cache_update(hdev, &data);
+			mgmt_device_found(hdev->id, &info->bdaddr,
+						info->dev_class, info->rssi,
+						NULL);
 		}
 	}
 
@@ -2294,7 +2322,7 @@ static inline void hci_extended_inquiry_result_evt(struct hci_dev *hdev, struct
 
 	hci_dev_lock(hdev);
 
-	for (; num_rsp; num_rsp--) {
+	for (; num_rsp; num_rsp--, info++) {
 		bacpy(&data.bdaddr, &info->bdaddr);
 		data.pscan_rep_mode	= info->pscan_rep_mode;
 		data.pscan_period_mode	= info->pscan_period_mode;
@@ -2303,8 +2331,9 @@ static inline void hci_extended_inquiry_result_evt(struct hci_dev *hdev, struct
 		data.clock_offset	= info->clock_offset;
 		data.rssi		= info->rssi;
 		data.ssp_mode		= 0x01;
-		info++;
 		hci_inquiry_cache_update(hdev, &data);
+		mgmt_device_found(hdev->id, &info->bdaddr, info->dev_class,
+						info->rssi, info->data);
 	}
 
 	hci_dev_unlock(hdev);
@@ -2353,9 +2382,14 @@ static inline void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff
 
 		bacpy(&cp.bdaddr, &ev->bdaddr);
 		cp.capability = conn->io_capability;
-		cp.oob_data = 0;
 		cp.authentication = hci_get_auth_req(conn);
 
+		if ((conn->out == 0x01 || conn->remote_oob == 0x01) &&
+				hci_find_remote_oob_data(hdev, &conn->dst))
+			cp.oob_data = 0x01;
+		else
+			cp.oob_data = 0x00;
+
 		hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY,
 							sizeof(cp), &cp);
 	} else {
@@ -2453,6 +2487,37 @@ static inline void hci_remote_host_features_evt(struct hci_dev *hdev, struct sk_
 	hci_dev_unlock(hdev);
 }
 
+static inline void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
+							struct sk_buff *skb)
+{
+	struct hci_ev_remote_oob_data_request *ev = (void *) skb->data;
+	struct oob_data *data;
+
+	BT_DBG("%s", hdev->name);
+
+	hci_dev_lock(hdev);
+
+	data = hci_find_remote_oob_data(hdev, &ev->bdaddr);
+	if (data) {
+		struct hci_cp_remote_oob_data_reply cp;
+
+		bacpy(&cp.bdaddr, &ev->bdaddr);
+		memcpy(cp.hash, data->hash, sizeof(cp.hash));
+		memcpy(cp.randomizer, data->randomizer, sizeof(cp.randomizer));
+
+		hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY, sizeof(cp),
+									&cp);
+	} else {
+		struct hci_cp_remote_oob_data_neg_reply cp;
+
+		bacpy(&cp.bdaddr, &ev->bdaddr);
+		hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY, sizeof(cp),
+									&cp);
+	}
+
+	hci_dev_unlock(hdev);
+}
+
 static inline void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
 {
 	struct hci_ev_le_conn_complete *ev = (void *) skb->data;
@@ -2655,6 +2720,10 @@ void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
 		hci_le_meta_evt(hdev, skb);
 		break;
 
+	case HCI_EV_REMOTE_OOB_DATA_REQUEST:
+		hci_remote_oob_data_request_evt(hdev, skb);
+		break;
+
 	default:
 		BT_DBG("%s event 0x%x", hdev->name, event);
 		break;

net/bluetooth/hci_sysfs.c

@@ -216,13 +216,13 @@ static ssize_t show_type(struct device *dev, struct device_attribute *attr, char
 static ssize_t show_name(struct device *dev, struct device_attribute *attr, char *buf)
 {
 	struct hci_dev *hdev = dev_get_drvdata(dev);
-	char name[249];
+	char name[HCI_MAX_NAME_LENGTH + 1];
 	int i;
 
-	for (i = 0; i < 248; i++)
+	for (i = 0; i < HCI_MAX_NAME_LENGTH; i++)
 		name[i] = hdev->dev_name[i];
 
-	name[248] = '\0';
+	name[HCI_MAX_NAME_LENGTH] = '\0';
 	return sprintf(buf, "%s\n", name);
 }
 
@@ -277,10 +277,12 @@ static ssize_t show_idle_timeout(struct device *dev, struct device_attribute *at
 static ssize_t store_idle_timeout(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 {
 	struct hci_dev *hdev = dev_get_drvdata(dev);
-	unsigned long val;
+	unsigned int val;
+	int rv;
 
-	if (strict_strtoul(buf, 0, &val) < 0)
-		return -EINVAL;
+	rv = kstrtouint(buf, 0, &val);
+	if (rv < 0)
+		return rv;
 
 	if (val != 0 && (val < 500 || val > 3600000))
 		return -EINVAL;
@@ -299,15 +301,14 @@ static ssize_t show_sniff_max_interval(struct device *dev, struct device_attribu
 static ssize_t store_sniff_max_interval(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 {
 	struct hci_dev *hdev = dev_get_drvdata(dev);
-	unsigned long val;
-
-	if (strict_strtoul(buf, 0, &val) < 0)
-		return -EINVAL;
+	u16 val;
+	int rv;
 
-	if (val < 0x0002 || val > 0xFFFE || val % 2)
-		return -EINVAL;
+	rv = kstrtou16(buf, 0, &val);
+	if (rv < 0)
+		return rv;
 
-	if (val < hdev->sniff_min_interval)
+	if (val == 0 || val % 2 || val < hdev->sniff_min_interval)
 		return -EINVAL;
 
 	hdev->sniff_max_interval = val;
@@ -324,15 +325,14 @@ static ssize_t show_sniff_min_interval(struct device *dev, struct device_attribu
 static ssize_t store_sniff_min_interval(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 {
 	struct hci_dev *hdev = dev_get_drvdata(dev);
-	unsigned long val;
+	u16 val;
+	int rv;
 
-	if (strict_strtoul(buf, 0, &val) < 0)
-		return -EINVAL;
-
-	if (val < 0x0002 || val > 0xFFFE || val % 2)
-		return -EINVAL;
+	rv = kstrtou16(buf, 0, &val);
+	if (rv < 0)
+		return rv;
 
-	if (val > hdev->sniff_max_interval)
+	if (val == 0 || val % 2 || val > hdev->sniff_max_interval)
 		return -EINVAL;
 
 	hdev->sniff_min_interval = val;

net/bluetooth/hidp/core.c

@@ -37,6 +37,7 @@
 #include <linux/init.h>
 #include <linux/wait.h>
 #include <linux/mutex.h>
+#include <linux/kthread.h>
 #include <net/sock.h>
 
 #include <linux/input.h>
@@ -55,22 +56,24 @@ static DECLARE_RWSEM(hidp_session_sem);
 static LIST_HEAD(hidp_session_list);
 
 static unsigned char hidp_keycode[256] = {
-	  0,  0,  0,  0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38,
-	 50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44,  2,  3,
-	  4,  5,  6,  7,  8,  9, 10, 11, 28,  1, 14, 15, 57, 12, 13, 26,
-	 27, 43, 43, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64,
-	 65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106,
-	105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71,
-	 72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190,
-	191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113,
-	115,114,  0,  0,  0,121,  0, 89, 93,124, 92, 94, 95,  0,  0,  0,
-	122,123, 90, 91, 85,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-	  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-	  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-	  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-	  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-	 29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113,
-	150,158,159,128,136,177,178,176,142,152,173,140
+	  0,   0,   0,   0,  30,  48,  46,  32,  18,  33,  34,  35,  23,  36,
+	 37,  38,  50,  49,  24,  25,  16,  19,  31,  20,  22,  47,  17,  45,
+	 21,  44,   2,   3,   4,   5,   6,   7,   8,   9,  10,  11,  28,   1,
+	 14,  15,  57,  12,  13,  26,  27,  43,  43,  39,  40,  41,  51,  52,
+	 53,  58,  59,  60,  61,  62,  63,  64,  65,  66,  67,  68,  87,  88,
+	 99,  70, 119, 110, 102, 104, 111, 107, 109, 106, 105, 108, 103,  69,
+	 98,  55,  74,  78,  96,  79,  80,  81,  75,  76,  77,  71,  72,  73,
+	 82,  83,  86, 127, 116, 117, 183, 184, 185, 186, 187, 188, 189, 190,
+	191, 192, 193, 194, 134, 138, 130, 132, 128, 129, 131, 137, 133, 135,
+	136, 113, 115, 114,   0,   0,   0, 121,   0,  89,  93, 124,  92,  94,
+	 95,   0,   0,   0, 122, 123,  90,  91,  85,   0,   0,   0,   0,   0,
+	  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+	  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+	  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+	  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+	  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+	 29,  42,  56, 125,  97,  54, 100, 126, 164, 166, 165, 163, 161, 115,
+	114, 113, 150, 158, 159, 128, 136, 177, 178, 176, 142, 152, 173, 140
 };
 
 static unsigned char hidp_mkeyspat[] = { 0x01, 0x01, 0x01, 0x01, 0x01, 0x01 };
@@ -461,8 +464,7 @@ static void hidp_idle_timeout(unsigned long arg)
 {
 	struct hidp_session *session = (struct hidp_session *) arg;
 
-	atomic_inc(&session->terminate);
-	hidp_schedule(session);
+	kthread_stop(session->task);
 }
 
 static void hidp_set_timer(struct hidp_session *session)
@@ -533,9 +535,7 @@ static void hidp_process_hid_control(struct hidp_session *session,
 		skb_queue_purge(&session->ctrl_transmit);
 		skb_queue_purge(&session->intr_transmit);
 
-		/* Kill session thread */
-		atomic_inc(&session->terminate);
-		hidp_schedule(session);
+		kthread_stop(session->task);
 	}
 }
 
@@ -694,22 +694,10 @@ static int hidp_session(void *arg)
 	struct sock *ctrl_sk = session->ctrl_sock->sk;
 	struct sock *intr_sk = session->intr_sock->sk;
 	struct sk_buff *skb;
-	int vendor = 0x0000, product = 0x0000;
 	wait_queue_t ctrl_wait, intr_wait;
 
 	BT_DBG("session %p", session);
 
-	if (session->input) {
-		vendor  = session->input->id.vendor;
-		product = session->input->id.product;
-	}
-
-	if (session->hid) {
-		vendor  = session->hid->vendor;
-		product = session->hid->product;
-	}
-
-	daemonize("khidpd_%04x%04x", vendor, product);
 	set_user_nice(current, -15);
 
 	init_waitqueue_entry(&ctrl_wait, current);
@@ -718,10 +706,11 @@ static int hidp_session(void *arg)
 	add_wait_queue(sk_sleep(intr_sk), &intr_wait);
 	session->waiting_for_startup = 0;
 	wake_up_interruptible(&session->startup_queue);
-	while (!atomic_read(&session->terminate)) {
+	while (!kthread_should_stop()) {
 		set_current_state(TASK_INTERRUPTIBLE);
 
-		if (ctrl_sk->sk_state != BT_CONNECTED || intr_sk->sk_state != BT_CONNECTED)
+		if (ctrl_sk->sk_state != BT_CONNECTED ||
+				intr_sk->sk_state != BT_CONNECTED)
 			break;
 
 		while ((skb = skb_dequeue(&ctrl_sk->sk_receive_queue))) {
@@ -965,6 +954,7 @@ static int hidp_setup_hid(struct hidp_session *session,
 int hidp_add_connection(struct hidp_connadd_req *req, struct socket *ctrl_sock, struct socket *intr_sock)
 {
 	struct hidp_session *session, *s;
+	int vendor, product;
 	int err;
 
 	BT_DBG("");
@@ -1026,9 +1016,24 @@ int hidp_add_connection(struct hidp_connadd_req *req, struct socket *ctrl_sock,
 
 	hidp_set_timer(session);
 
-	err = kernel_thread(hidp_session, session, CLONE_KERNEL);
-	if (err < 0)
+	if (session->hid) {
+		vendor  = session->hid->vendor;
+		product = session->hid->product;
+	} else if (session->input) {
+		vendor  = session->input->id.vendor;
+		product = session->input->id.product;
+	} else {
+		vendor = 0x0000;
+		product = 0x0000;
+	}
+
+	session->task = kthread_run(hidp_session, session, "khidpd_%04x%04x",
+							vendor, product);
+	if (IS_ERR(session->task)) {
+		err = PTR_ERR(session->task);
 		goto unlink;
+	}
+
 	while (session->waiting_for_startup) {
 		wait_event_interruptible(session->startup_queue,
 			!session->waiting_for_startup);
@@ -1053,8 +1058,7 @@ int hidp_add_connection(struct hidp_connadd_req *req, struct socket *ctrl_sock,
 err_add_device:
 	hid_destroy_device(session->hid);
 	session->hid = NULL;
-	atomic_inc(&session->terminate);
-	hidp_schedule(session);
+	kthread_stop(session->task);
 
 unlink:
 	hidp_del_timer(session);
@@ -1105,13 +1109,7 @@ int hidp_del_connection(struct hidp_conndel_req *req)
 			skb_queue_purge(&session->ctrl_transmit);
 			skb_queue_purge(&session->intr_transmit);
 
-			/* Wakeup user-space polling for socket errors */
-			session->intr_sock->sk->sk_err = EUNATCH;
-			session->ctrl_sock->sk->sk_err = EUNATCH;
-
-			/* Kill session thread */
-			atomic_inc(&session->terminate);
-			hidp_schedule(session);
+			kthread_stop(session->task);
 		}
 	} else
 		err = -ENOENT;

net/bluetooth/hidp/hidp.h

@@ -84,8 +84,8 @@
 #define HIDP_WAITING_FOR_SEND_ACK	11
 
 struct hidp_connadd_req {
-	int   ctrl_sock;	// Connected control socket
-	int   intr_sock;	// Connteted interrupt socket
+	int   ctrl_sock;	/* Connected control socket */
+	int   intr_sock;	/* Connected interrupt socket */
 	__u16 parser;
 	__u16 rd_size;
 	__u8 __user *rd_data;
@@ -142,7 +142,7 @@ struct hidp_session {
 	uint ctrl_mtu;
 	uint intr_mtu;
 
-	atomic_t terminate;
+	struct task_struct *task;
 
 	unsigned char keys[8];
 	unsigned char leds;

net/bluetooth/hidp/sock.c

@@ -85,7 +85,8 @@ static int hidp_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long
 			return err;
 		}
 
-		if (csock->sk->sk_state != BT_CONNECTED || isock->sk->sk_state != BT_CONNECTED) {
+		if (csock->sk->sk_state != BT_CONNECTED ||
+				isock->sk->sk_state != BT_CONNECTED) {
 			sockfd_put(csock);
 			sockfd_put(isock);
 			return -EBADFD;
@@ -140,8 +141,8 @@ static int hidp_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long
 
 #ifdef CONFIG_COMPAT
 struct compat_hidp_connadd_req {
-	int   ctrl_sock;	// Connected control socket
-	int   intr_sock;	// Connteted interrupt socket
+	int   ctrl_sock;	/* Connected control socket */
+	int   intr_sock;	/* Connected interrupt socket */
 	__u16 parser;
 	__u16 rd_size;
 	compat_uptr_t rd_data;

net/bluetooth/l2cap_core.c

@@ -169,7 +169,7 @@ static inline void l2cap_chan_unlink(struct l2cap_chan_list *l, struct sock *sk)
 	__sock_put(sk);
 }
 
-static void __l2cap_chan_add(struct l2cap_conn *conn, struct sock *sk, struct sock *parent)
+static void __l2cap_chan_add(struct l2cap_conn *conn, struct sock *sk)
 {
 	struct l2cap_chan_list *l = &conn->chan_list;
 
@@ -204,9 +204,6 @@ static void __l2cap_chan_add(struct l2cap_conn *conn, struct sock *sk, struct so
 	}
 
 	__l2cap_chan_link(l, sk);
-
-	if (parent)
-		bt_accept_enqueue(parent, sk);
 }
 
 /* Delete channel.
@@ -652,7 +649,9 @@ static void l2cap_le_conn_ready(struct l2cap_conn *conn)
 	bacpy(&bt_sk(sk)->src, conn->src);
 	bacpy(&bt_sk(sk)->dst, conn->dst);
 
-	__l2cap_chan_add(conn, sk, parent);
+	bt_accept_enqueue(parent, sk);
+
+	__l2cap_chan_add(conn, sk);
 
 	l2cap_sock_set_timer(sk, sk->sk_sndtimeo);
 
@@ -793,11 +792,11 @@ static void l2cap_conn_del(struct hci_conn *hcon, int err)
 	kfree(conn);
 }
 
-static inline void l2cap_chan_add(struct l2cap_conn *conn, struct sock *sk, struct sock *parent)
+static inline void l2cap_chan_add(struct l2cap_conn *conn, struct sock *sk)
 {
 	struct l2cap_chan_list *l = &conn->chan_list;
 	write_lock_bh(&l->lock);
-	__l2cap_chan_add(conn, sk, parent);
+	__l2cap_chan_add(conn, sk);
 	write_unlock_bh(&l->lock);
 }
 
@@ -876,7 +875,7 @@ int l2cap_do_connect(struct sock *sk)
 	/* Update source addr of the socket */
 	bacpy(src, conn->src);
 
-	l2cap_chan_add(conn, sk, NULL);
+	l2cap_chan_add(conn, sk);
 
 	sk->sk_state = BT_CONNECT;
 	l2cap_sock_set_timer(sk, sk->sk_sndtimeo);
@@ -1116,7 +1115,9 @@ int l2cap_ertm_send(struct sock *sk)
 		bt_cb(skb)->tx_seq = pi->next_tx_seq;
 		pi->next_tx_seq = (pi->next_tx_seq + 1) % 64;
 
-		pi->unacked_frames++;
+		if (bt_cb(skb)->retries == 1)
+			pi->unacked_frames++;
+
 		pi->frames_sent++;
 
 		if (skb_queue_is_last(TX_QUEUE(sk), skb))
@@ -2030,7 +2031,9 @@ static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hd
 	l2cap_pi(sk)->psm  = psm;
 	l2cap_pi(sk)->dcid = scid;
 
-	__l2cap_chan_add(conn, sk, parent);
+	bt_accept_enqueue(parent, sk);
+
+	__l2cap_chan_add(conn, sk);
 	dcid = l2cap_pi(sk)->scid;
 
 	l2cap_sock_set_timer(sk, sk->sk_sndtimeo);
@@ -2460,6 +2463,11 @@ static inline int l2cap_information_rsp(struct l2cap_conn *conn, struct l2cap_cm
 
 	BT_DBG("type 0x%4.4x result 0x%2.2x", type, result);
 
+	/* L2CAP Info req/rsp are unbound to channels, add extra checks */
+	if (cmd->ident != conn->info_ident ||
+			conn->info_state & L2CAP_INFO_FEAT_MASK_REQ_DONE)
+		return 0;
+
 	del_timer(&conn->info_timer);
 
 	if (result != L2CAP_IR_SUCCESS) {
@@ -2670,7 +2678,8 @@ static inline void l2cap_sig_channel(struct l2cap_conn *conn,
 
 		if (err) {
 			struct l2cap_cmd_rej rej;
-			BT_DBG("error %d", err);
+
+			BT_ERR("Wrong link type (%d)", err);
 
 			/* FIXME: Map err to a valid reason */
 			rej.reason = cpu_to_le16(0);

net/bluetooth/l2cap_sock.c

@@ -923,8 +923,9 @@ void __l2cap_sock_close(struct sock *sk, int reason)
 			rsp.status = cpu_to_le16(L2CAP_CS_NO_INFO);
 			l2cap_send_cmd(conn, l2cap_pi(sk)->ident,
 					L2CAP_CONN_RSP, sizeof(rsp), &rsp);
-		} else
-			l2cap_chan_del(sk, reason);
+		}
+
+		l2cap_chan_del(sk, reason);
 		break;
 
 	case BT_CONNECT: