-/*
+/*
BlueZ - Bluetooth protocol stack for Linux
Copyright (C) 2000-2001 Qualcomm Incorporated
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
- CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
- WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
+ WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
- COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
+ ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
+ COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
SOFTWARE IS DISCLAIMED.
*/
/* Bluetooth L2CAP core and sockets. */
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/types.h>
.lock = RW_LOCK_UNLOCKED
};
-static int l2cap_conn_del(struct hci_conn *conn, int err);
-
-static void __l2cap_chan_add(struct l2cap_conn *conn, struct sock *sk, struct sock *parent);
-static void l2cap_chan_del(struct sock *sk, int err);
-
static void __l2cap_sock_close(struct sock *sk, int reason);
static void l2cap_sock_close(struct sock *sk);
static void l2cap_sock_kill(struct sock *sk);
sk->sk_timer.data = (unsigned long)sk;
}
+/* ---- L2CAP channels ---- */
+static struct sock *__l2cap_get_chan_by_dcid(struct l2cap_chan_list *l, u16 cid)
+{
+ struct sock *s;
+ for (s = l->head; s; s = l2cap_pi(s)->next_c) {
+ if (l2cap_pi(s)->dcid == cid)
+ break;
+ }
+ return s;
+}
+
+static struct sock *__l2cap_get_chan_by_scid(struct l2cap_chan_list *l, u16 cid)
+{
+ struct sock *s;
+ for (s = l->head; s; s = l2cap_pi(s)->next_c) {
+ if (l2cap_pi(s)->scid == cid)
+ break;
+ }
+ return s;
+}
+
+/* Find channel with given SCID.
+ * Returns locked socket */
+static inline struct sock *l2cap_get_chan_by_scid(struct l2cap_chan_list *l, u16 cid)
+{
+ struct sock *s;
+ read_lock(&l->lock);
+ s = __l2cap_get_chan_by_scid(l, cid);
+ if (s) bh_lock_sock(s);
+ read_unlock(&l->lock);
+ return s;
+}
+
+static struct sock *__l2cap_get_chan_by_ident(struct l2cap_chan_list *l, u8 ident)
+{
+ struct sock *s;
+ for (s = l->head; s; s = l2cap_pi(s)->next_c) {
+ if (l2cap_pi(s)->ident == ident)
+ break;
+ }
+ return s;
+}
+
+static inline struct sock *l2cap_get_chan_by_ident(struct l2cap_chan_list *l, u8 ident)
+{
+ struct sock *s;
+ read_lock(&l->lock);
+ s = __l2cap_get_chan_by_ident(l, ident);
+ if (s) bh_lock_sock(s);
+ read_unlock(&l->lock);
+ return s;
+}
+
+static u16 l2cap_alloc_cid(struct l2cap_chan_list *l)
+{
+ u16 cid = 0x0040;
+
+ for (; cid < 0xffff; cid++) {
+ if(!__l2cap_get_chan_by_scid(l, cid))
+ return cid;
+ }
+
+ return 0;
+}
+
+static inline void __l2cap_chan_link(struct l2cap_chan_list *l, struct sock *sk)
+{
+ sock_hold(sk);
+
+ if (l->head)
+ l2cap_pi(l->head)->prev_c = sk;
+
+ l2cap_pi(sk)->next_c = l->head;
+ l2cap_pi(sk)->prev_c = NULL;
+ l->head = sk;
+}
+
+static inline void l2cap_chan_unlink(struct l2cap_chan_list *l, struct sock *sk)
+{
+ struct sock *next = l2cap_pi(sk)->next_c, *prev = l2cap_pi(sk)->prev_c;
+
+ write_lock_bh(&l->lock);
+ if (sk == l->head)
+ l->head = next;
+
+ if (next)
+ l2cap_pi(next)->prev_c = prev;
+ if (prev)
+ l2cap_pi(prev)->next_c = next;
+ write_unlock_bh(&l->lock);
+
+ __sock_put(sk);
+}
+
+static void __l2cap_chan_add(struct l2cap_conn *conn, struct sock *sk, struct sock *parent)
+{
+ struct l2cap_chan_list *l = &conn->chan_list;
+
+ BT_DBG("conn %p, psm 0x%2.2x, dcid 0x%4.4x", conn, l2cap_pi(sk)->psm, l2cap_pi(sk)->dcid);
+
+ l2cap_pi(sk)->conn = conn;
+
+ if (sk->sk_type == SOCK_SEQPACKET) {
+ /* Alloc CID for connection-oriented socket */
+ l2cap_pi(sk)->scid = l2cap_alloc_cid(l);
+ } else if (sk->sk_type == SOCK_DGRAM) {
+ /* Connectionless socket */
+ l2cap_pi(sk)->scid = 0x0002;
+ l2cap_pi(sk)->dcid = 0x0002;
+ l2cap_pi(sk)->omtu = L2CAP_DEFAULT_MTU;
+ } else {
+ /* Raw socket can send/recv signalling messages only */
+ l2cap_pi(sk)->scid = 0x0001;
+ l2cap_pi(sk)->dcid = 0x0001;
+ l2cap_pi(sk)->omtu = L2CAP_DEFAULT_MTU;
+ }
+
+ __l2cap_chan_link(l, sk);
+
+ if (parent)
+ bt_accept_enqueue(parent, sk);
+}
+
+/* Delete channel.
+ * Must be called on the locked socket. */
+static void l2cap_chan_del(struct sock *sk, int err)
+{
+ struct l2cap_conn *conn = l2cap_pi(sk)->conn;
+ struct sock *parent = bt_sk(sk)->parent;
+
+ l2cap_sock_clear_timer(sk);
+
+ BT_DBG("sk %p, conn %p, err %d", sk, conn, err);
+
+ if (conn) {
+ /* Unlink from channel list */
+ l2cap_chan_unlink(&conn->chan_list, sk);
+ l2cap_pi(sk)->conn = NULL;
+ hci_conn_put(conn->hcon);
+ }
+
+ sk->sk_state = BT_CLOSED;
+ sock_set_flag(sk, SOCK_ZAPPED);
+
+ if (err)
+ sk->sk_err = err;
+
+ if (parent) {
+ bt_accept_unlink(sk);
+ parent->sk_data_ready(parent, 0);
+ } else
+ sk->sk_state_change(sk);
+}
+
/* ---- L2CAP connections ---- */
static struct l2cap_conn *l2cap_conn_add(struct hci_conn *hcon, u8 status)
{
- struct l2cap_conn *conn;
-
- if ((conn = hcon->l2cap_data))
- return conn;
+ struct l2cap_conn *conn = hcon->l2cap_data;
- if (status)
+ if (conn || status)
return conn;
- if (!(conn = kmalloc(sizeof(struct l2cap_conn), GFP_ATOMIC)))
+ conn = kzalloc(sizeof(struct l2cap_conn), GFP_ATOMIC);
+ if (!conn)
return NULL;
- memset(conn, 0, sizeof(struct l2cap_conn));
hcon->l2cap_data = conn;
conn->hcon = hcon;
+ BT_DBG("hcon %p conn %p", hcon, conn);
+
conn->mtu = hcon->hdev->acl_mtu;
conn->src = &hcon->hdev->bdaddr;
conn->dst = &hcon->dst;
spin_lock_init(&conn->lock);
rwlock_init(&conn->chan_list.lock);
- BT_DBG("hcon %p conn %p", hcon, conn);
return conn;
}
-static int l2cap_conn_del(struct hci_conn *hcon, int err)
+static void l2cap_conn_del(struct hci_conn *hcon, int err)
{
- struct l2cap_conn *conn;
+ struct l2cap_conn *conn = hcon->l2cap_data;
struct sock *sk;
- if (!(conn = hcon->l2cap_data))
- return 0;
+ if (!conn)
+ return;
BT_DBG("hcon %p conn %p, err %d", hcon, conn, err);
hcon->l2cap_data = NULL;
kfree(conn);
- return 0;
}
static inline void l2cap_chan_add(struct l2cap_conn *conn, struct sock *sk, struct sock *parent)
{
struct l2cap_chan_list *l = &conn->chan_list;
- write_lock(&l->lock);
+ write_lock_bh(&l->lock);
__l2cap_chan_add(conn, sk, parent);
- write_unlock(&l->lock);
+ write_unlock_bh(&l->lock);
}
static inline u8 l2cap_get_ident(struct l2cap_conn *conn)
* 200 - 254 are used by utilities like l2ping, etc.
*/
- spin_lock(&conn->lock);
+ spin_lock_bh(&conn->lock);
if (++conn->tx_ident > 128)
conn->tx_ident = 1;
id = conn->tx_ident;
- spin_unlock(&conn->lock);
+ spin_unlock_bh(&conn->lock);
return id;
}
sk->sk_state = BT_DISCONN;
l2cap_sock_set_timer(sk, sk->sk_sndtimeo);
- req.dcid = __cpu_to_le16(l2cap_pi(sk)->dcid);
- req.scid = __cpu_to_le16(l2cap_pi(sk)->scid);
+ req.dcid = cpu_to_le16(l2cap_pi(sk)->dcid);
+ req.scid = cpu_to_le16(l2cap_pi(sk)->scid);
l2cap_send_cmd(conn, l2cap_get_ident(conn),
L2CAP_DISCONN_REQ, sizeof(req), &req);
} else {
sock->ops = &l2cap_sock_ops;
- sk = l2cap_sock_alloc(sock, protocol, GFP_KERNEL);
+ sk = l2cap_sock_alloc(sock, protocol, GFP_ATOMIC);
if (!sk)
return -ENOMEM;
goto done;
}
+ if (la->l2_psm > 0 && btohs(la->l2_psm) < 0x1001 &&
+ !capable(CAP_NET_BIND_SERVICE)) {
+ err = -EACCES;
+ goto done;
+ }
+
write_lock_bh(&l2cap_sk_list.lock);
if (la->l2_psm && __l2cap_get_sock_by_addr(la->l2_psm, &la->l2_bdaddr)) {
if (sk->sk_type == SOCK_SEQPACKET) {
struct l2cap_conn_req req;
l2cap_pi(sk)->ident = l2cap_get_ident(conn);
- req.scid = __cpu_to_le16(l2cap_pi(sk)->scid);
+ req.scid = cpu_to_le16(l2cap_pi(sk)->scid);
req.psm = l2cap_pi(sk)->psm;
l2cap_send_cmd(conn, l2cap_pi(sk)->ident,
L2CAP_CONN_REQ, sizeof(req), &req);
long timeo;
int err = 0;
- lock_sock(sk);
+ lock_sock_nested(sk, SINGLE_DEPTH_NESTING);
if (sk->sk_state != BT_LISTEN) {
err = -EBADFD;
release_sock(sk);
timeo = schedule_timeout(timeo);
- lock_sock(sk);
+ lock_sock_nested(sk, SINGLE_DEPTH_NESTING);
if (sk->sk_state != BT_LISTEN) {
err = -EBADFD;
/* Create L2CAP header */
lh = (struct l2cap_hdr *) skb_put(skb, L2CAP_HDR_SIZE);
- lh->cid = __cpu_to_le16(l2cap_pi(sk)->dcid);
- lh->len = __cpu_to_le16(len + (hlen - L2CAP_HDR_SIZE));
+ lh->cid = cpu_to_le16(l2cap_pi(sk)->dcid);
+ lh->len = cpu_to_le16(len + (hlen - L2CAP_HDR_SIZE));
if (sk->sk_type == SOCK_DGRAM)
put_unaligned(l2cap_pi(sk)->psm, (u16 *) skb_put(skb, 2));
*frag = bt_skb_send_alloc(sk, count, msg->msg_flags & MSG_DONTWAIT, &err);
if (!*frag)
goto fail;
-
+
if (memcpy_fromiovec(skb_put(*frag, count), msg->msg_iov, count)) {
err = -EFAULT;
goto fail;
return err;
}
-/* ---- L2CAP channels ---- */
-static struct sock *__l2cap_get_chan_by_dcid(struct l2cap_chan_list *l, u16 cid)
-{
- struct sock *s;
- for (s = l->head; s; s = l2cap_pi(s)->next_c) {
- if (l2cap_pi(s)->dcid == cid)
- break;
- }
- return s;
-}
-
-static struct sock *__l2cap_get_chan_by_scid(struct l2cap_chan_list *l, u16 cid)
-{
- struct sock *s;
- for (s = l->head; s; s = l2cap_pi(s)->next_c) {
- if (l2cap_pi(s)->scid == cid)
- break;
- }
- return s;
-}
-
-/* Find channel with given SCID.
- * Returns locked socket */
-static inline struct sock *l2cap_get_chan_by_scid(struct l2cap_chan_list *l, u16 cid)
-{
- struct sock *s;
- read_lock(&l->lock);
- s = __l2cap_get_chan_by_scid(l, cid);
- if (s) bh_lock_sock(s);
- read_unlock(&l->lock);
- return s;
-}
-
-static struct sock *__l2cap_get_chan_by_ident(struct l2cap_chan_list *l, u8 ident)
-{
- struct sock *s;
- for (s = l->head; s; s = l2cap_pi(s)->next_c) {
- if (l2cap_pi(s)->ident == ident)
- break;
- }
- return s;
-}
-
-static inline struct sock *l2cap_get_chan_by_ident(struct l2cap_chan_list *l, u8 ident)
-{
- struct sock *s;
- read_lock(&l->lock);
- s = __l2cap_get_chan_by_ident(l, ident);
- if (s) bh_lock_sock(s);
- read_unlock(&l->lock);
- return s;
-}
-
-static u16 l2cap_alloc_cid(struct l2cap_chan_list *l)
-{
- u16 cid = 0x0040;
-
- for (; cid < 0xffff; cid++) {
- if(!__l2cap_get_chan_by_scid(l, cid))
- return cid;
- }
-
- return 0;
-}
-
-static inline void __l2cap_chan_link(struct l2cap_chan_list *l, struct sock *sk)
-{
- sock_hold(sk);
-
- if (l->head)
- l2cap_pi(l->head)->prev_c = sk;
-
- l2cap_pi(sk)->next_c = l->head;
- l2cap_pi(sk)->prev_c = NULL;
- l->head = sk;
-}
-
-static inline void l2cap_chan_unlink(struct l2cap_chan_list *l, struct sock *sk)
-{
- struct sock *next = l2cap_pi(sk)->next_c, *prev = l2cap_pi(sk)->prev_c;
-
- write_lock(&l->lock);
- if (sk == l->head)
- l->head = next;
-
- if (next)
- l2cap_pi(next)->prev_c = prev;
- if (prev)
- l2cap_pi(prev)->next_c = next;
- write_unlock(&l->lock);
-
- __sock_put(sk);
-}
-
-static void __l2cap_chan_add(struct l2cap_conn *conn, struct sock *sk, struct sock *parent)
-{
- struct l2cap_chan_list *l = &conn->chan_list;
-
- BT_DBG("conn %p, psm 0x%2.2x, dcid 0x%4.4x", conn, l2cap_pi(sk)->psm, l2cap_pi(sk)->dcid);
-
- l2cap_pi(sk)->conn = conn;
-
- if (sk->sk_type == SOCK_SEQPACKET) {
- /* Alloc CID for connection-oriented socket */
- l2cap_pi(sk)->scid = l2cap_alloc_cid(l);
- } else if (sk->sk_type == SOCK_DGRAM) {
- /* Connectionless socket */
- l2cap_pi(sk)->scid = 0x0002;
- l2cap_pi(sk)->dcid = 0x0002;
- l2cap_pi(sk)->omtu = L2CAP_DEFAULT_MTU;
- } else {
- /* Raw socket can send/recv signalling messages only */
- l2cap_pi(sk)->scid = 0x0001;
- l2cap_pi(sk)->dcid = 0x0001;
- l2cap_pi(sk)->omtu = L2CAP_DEFAULT_MTU;
- }
-
- __l2cap_chan_link(l, sk);
-
- if (parent)
- bt_accept_enqueue(parent, sk);
-}
-
-/* Delete channel.
- * Must be called on the locked socket. */
-static void l2cap_chan_del(struct sock *sk, int err)
-{
- struct l2cap_conn *conn = l2cap_pi(sk)->conn;
- struct sock *parent = bt_sk(sk)->parent;
-
- l2cap_sock_clear_timer(sk);
-
- BT_DBG("sk %p, conn %p, err %d", sk, conn, err);
-
- if (conn) {
- /* Unlink from channel list */
- l2cap_chan_unlink(&conn->chan_list, sk);
- l2cap_pi(sk)->conn = NULL;
- hci_conn_put(conn->hcon);
- }
-
- sk->sk_state = BT_CLOSED;
- sock_set_flag(sk, SOCK_ZAPPED);
-
- if (err)
- sk->sk_err = err;
-
- if (parent) {
- bt_accept_unlink(sk);
- parent->sk_data_ready(parent, 0);
- } else
- sk->sk_state_change(sk);
-}
-
static void l2cap_conn_ready(struct l2cap_conn *conn)
{
struct l2cap_chan_list *l = &conn->chan_list;
} else if (sk->sk_state == BT_CONNECT) {
struct l2cap_conn_req req;
l2cap_pi(sk)->ident = l2cap_get_ident(conn);
- req.scid = __cpu_to_le16(l2cap_pi(sk)->scid);
+ req.scid = cpu_to_le16(l2cap_pi(sk)->scid);
req.psm = l2cap_pi(sk)->psm;
l2cap_send_cmd(conn, l2cap_pi(sk)->ident, L2CAP_CONN_REQ, sizeof(req), &req);
}
return NULL;
lh = (struct l2cap_hdr *) skb_put(skb, L2CAP_HDR_SIZE);
- lh->len = __cpu_to_le16(L2CAP_CMD_HDR_SIZE + dlen);
- lh->cid = __cpu_to_le16(0x0001);
+ lh->len = cpu_to_le16(L2CAP_CMD_HDR_SIZE + dlen);
+ lh->cid = cpu_to_le16(0x0001);
cmd = (struct l2cap_cmd_hdr *) skb_put(skb, L2CAP_CMD_HDR_SIZE);
cmd->code = code;
cmd->ident = ident;
- cmd->len = __cpu_to_le16(dlen);
+ cmd->len = cpu_to_le16(dlen);
if (dlen) {
count -= L2CAP_HDR_SIZE + L2CAP_CMD_HDR_SIZE;
static inline void l2cap_parse_conf_req(struct sock *sk, void *data, int len)
{
- int type, hint, olen;
+ int type, hint, olen;
unsigned long val;
void *ptr = data;
break;
case 2:
- *((u16 *) opt->val) = __cpu_to_le16(val);
+ *((u16 *) opt->val) = cpu_to_le16(val);
break;
case 4:
- *((u32 *) opt->val) = __cpu_to_le32(val);
+ *((u32 *) opt->val) = cpu_to_le32(val);
break;
default:
//if (flush_to != L2CAP_DEFAULT_FLUSH_TO)
// l2cap_add_conf_opt(&ptr, L2CAP_CONF_FLUSH_TO, 2, pi->flush_to);
- req->dcid = __cpu_to_le16(pi->dcid);
- req->flags = __cpu_to_le16(0);
+ req->dcid = cpu_to_le16(pi->dcid);
+ req->flags = cpu_to_le16(0);
return ptr - data;
}
/* Configure output options and let the other side know
* which ones we don't like. */
- if (pi->conf_mtu < pi->omtu) {
- l2cap_add_conf_opt(ptr, L2CAP_CONF_MTU, 2, pi->omtu);
+ if (pi->conf_mtu < pi->omtu)
result = L2CAP_CONF_UNACCEPT;
- } else {
+ else
pi->omtu = pi->conf_mtu;
- }
+
+ l2cap_add_conf_opt(ptr, L2CAP_CONF_MTU, 2, pi->omtu);
BT_DBG("sk %p result %d", sk, result);
return result;
else
flags = 0x0001;
- rsp->scid = __cpu_to_le16(l2cap_pi(sk)->dcid);
- rsp->result = __cpu_to_le16(result ? *result : 0);
- rsp->flags = __cpu_to_le16(flags);
+ rsp->scid = cpu_to_le16(l2cap_pi(sk)->dcid);
+ rsp->result = cpu_to_le16(result ? *result : 0);
+ rsp->flags = cpu_to_le16(flags);
return ptr - data;
}
/* Check for backlog size */
if (sk_acceptq_is_full(parent)) {
- BT_DBG("backlog full %d", parent->sk_ack_backlog);
+ BT_DBG("backlog full %d", parent->sk_ack_backlog);
goto response;
}
if (!sk)
goto response;
- write_lock(&list->lock);
+ write_lock_bh(&list->lock);
/* Check if we already have channel with that dcid */
if (__l2cap_get_chan_by_dcid(list, scid)) {
- write_unlock(&list->lock);
+ write_unlock_bh(&list->lock);
sock_set_flag(sk, SOCK_ZAPPED);
l2cap_sock_kill(sk);
goto response;
result = status = 0;
done:
- write_unlock(&list->lock);
+ write_unlock_bh(&list->lock);
response:
bh_unlock_sock(parent);
sendresp:
- rsp.scid = __cpu_to_le16(scid);
- rsp.dcid = __cpu_to_le16(dcid);
- rsp.result = __cpu_to_le16(result);
- rsp.status = __cpu_to_le16(status);
+ rsp.scid = cpu_to_le16(scid);
+ rsp.dcid = cpu_to_le16(dcid);
+ rsp.result = cpu_to_le16(result);
+ rsp.status = cpu_to_le16(status);
l2cap_send_cmd(conn, cmd->ident, L2CAP_CONN_RSP, sizeof(rsp), &rsp);
return 0;
}
if (!(sk = l2cap_get_chan_by_scid(&conn->chan_list, dcid)))
return -ENOENT;
+ if (sk->sk_state == BT_DISCONN)
+ goto unlock;
+
l2cap_parse_conf_req(sk, req->data, cmd->len - sizeof(*req));
if (flags & 0x0001) {
goto done;
}
- default:
+ default:
sk->sk_state = BT_DISCONN;
sk->sk_err = ECONNRESET;
l2cap_sock_set_timer(sk, HZ * 5);
{
struct l2cap_disconn_req req;
- req.dcid = __cpu_to_le16(l2cap_pi(sk)->dcid);
- req.scid = __cpu_to_le16(l2cap_pi(sk)->scid);
+ req.dcid = cpu_to_le16(l2cap_pi(sk)->dcid);
+ req.scid = cpu_to_le16(l2cap_pi(sk)->scid);
l2cap_send_cmd(conn, l2cap_get_ident(conn),
L2CAP_DISCONN_REQ, sizeof(req), &req);
}
if (!(sk = l2cap_get_chan_by_scid(&conn->chan_list, dcid)))
return 0;
- rsp.dcid = __cpu_to_le16(l2cap_pi(sk)->scid);
- rsp.scid = __cpu_to_le16(l2cap_pi(sk)->dcid);
+ rsp.dcid = cpu_to_le16(l2cap_pi(sk)->scid);
+ rsp.scid = cpu_to_le16(l2cap_pi(sk)->dcid);
l2cap_send_cmd(conn, cmd->ident, L2CAP_DISCONN_RSP, sizeof(rsp), &rsp);
sk->sk_shutdown = SHUTDOWN_MASK;
BT_DBG("type 0x%4.4x", type);
- rsp.type = __cpu_to_le16(type);
- rsp.result = __cpu_to_le16(L2CAP_IR_NOTSUPP);
+ rsp.type = cpu_to_le16(type);
+ rsp.result = cpu_to_le16(L2CAP_IR_NOTSUPP);
l2cap_send_cmd(conn, cmd->ident, L2CAP_INFO_RSP, sizeof(rsp), &rsp);
return 0;
BT_DBG("error %d", err);
/* FIXME: Map err to a valid reason */
- rej.reason = __cpu_to_le16(0);
+ rej.reason = cpu_to_le16(0);
l2cap_send_cmd(conn, cmd.ident, L2CAP_COMMAND_REJ, sizeof(rej), &rej);
}
kfree_skb(skb);
done:
- if (sk) bh_unlock_sock(sk);
+ if (sk)
+ bh_unlock_sock(sk);
+
return 0;
}
static int l2cap_connect_cfm(struct hci_conn *hcon, u8 status)
{
+ struct l2cap_conn *conn;
+
BT_DBG("hcon %p bdaddr %s status %d", hcon, batostr(&hcon->dst), status);
if (hcon->type != ACL_LINK)
return 0;
if (!status) {
- struct l2cap_conn *conn;
-
conn = l2cap_conn_add(hcon, status);
if (conn)
l2cap_conn_ready(conn);
- } else
+ } else
l2cap_conn_del(hcon, bt_err(status));
return 0;
return 0;
l2cap_conn_del(hcon, bt_err(reason));
+
return 0;
}
static int l2cap_auth_cfm(struct hci_conn *hcon, u8 status)
{
struct l2cap_chan_list *l;
- struct l2cap_conn *conn;
+ struct l2cap_conn *conn = conn = hcon->l2cap_data;
struct l2cap_conn_rsp rsp;
struct sock *sk;
int result;
- if (!(conn = hcon->l2cap_data))
+ if (!conn)
return 0;
+
l = &conn->chan_list;
BT_DBG("conn %p", conn);
result = L2CAP_CR_SEC_BLOCK;
}
- rsp.scid = __cpu_to_le16(l2cap_pi(sk)->dcid);
- rsp.dcid = __cpu_to_le16(l2cap_pi(sk)->scid);
- rsp.result = __cpu_to_le16(result);
- rsp.status = __cpu_to_le16(0);
+ rsp.scid = cpu_to_le16(l2cap_pi(sk)->dcid);
+ rsp.dcid = cpu_to_le16(l2cap_pi(sk)->scid);
+ rsp.result = cpu_to_le16(result);
+ rsp.status = cpu_to_le16(0);
l2cap_send_cmd(conn, l2cap_pi(sk)->ident,
L2CAP_CONN_RSP, sizeof(rsp), &rsp);
static int l2cap_encrypt_cfm(struct hci_conn *hcon, u8 status)
{
struct l2cap_chan_list *l;
- struct l2cap_conn *conn;
+ struct l2cap_conn *conn = hcon->l2cap_data;
struct l2cap_conn_rsp rsp;
struct sock *sk;
int result;
- if (!(conn = hcon->l2cap_data))
+ if (!conn)
return 0;
+
l = &conn->chan_list;
BT_DBG("conn %p", conn);
result = L2CAP_CR_SEC_BLOCK;
}
- rsp.scid = __cpu_to_le16(l2cap_pi(sk)->dcid);
- rsp.dcid = __cpu_to_le16(l2cap_pi(sk)->scid);
- rsp.result = __cpu_to_le16(result);
- rsp.status = __cpu_to_le16(0);
+ rsp.scid = cpu_to_le16(l2cap_pi(sk)->dcid);
+ rsp.dcid = cpu_to_le16(l2cap_pi(sk)->scid);
+ rsp.result = cpu_to_le16(result);
+ rsp.status = cpu_to_le16(0);
l2cap_send_cmd(conn, l2cap_pi(sk)->ident,
L2CAP_CONN_RSP, sizeof(rsp), &rsp);
if (!(conn->rx_skb = bt_skb_alloc(len, GFP_ATOMIC)))
goto drop;
- memcpy(skb_put(conn->rx_skb, skb->len), skb->data, skb->len);
+ skb_copy_from_linear_data(skb, skb_put(conn->rx_skb, skb->len),
+ skb->len);
conn->rx_len = len - skb->len;
} else {
BT_DBG("Cont: frag len %d (expecting %d)", skb->len, conn->rx_len);
goto drop;
}
- memcpy(skb_put(conn->rx_skb, skb->len), skb->data, skb->len);
+ skb_copy_from_linear_data(skb, skb_put(conn->rx_skb, skb->len),
+ skb->len);
conn->rx_len -= skb->len;
if (!conn->rx_len) {
str += sprintf(str, "%s %s %d %d 0x%4.4x 0x%4.4x %d %d 0x%x\n",
batostr(&bt_sk(sk)->src), batostr(&bt_sk(sk)->dst),
- sk->sk_state, pi->psm, pi->scid, pi->dcid, pi->imtu,
- pi->omtu, pi->link_mode);
+ sk->sk_state, btohs(pi->psm), pi->scid, pi->dcid,
+ pi->imtu, pi->omtu, pi->link_mode);
}
read_unlock_bh(&l2cap_sk_list.lock);
goto error;
}
- class_create_file(&bt_class, &class_attr_l2cap);
+ if (class_create_file(bt_class, &class_attr_l2cap) < 0)
+ BT_ERR("Failed to create L2CAP info file");
BT_INFO("L2CAP ver %s", VERSION);
BT_INFO("L2CAP socket layer initialized");
static void __exit l2cap_exit(void)
{
- class_remove_file(&bt_class, &class_attr_l2cap);
+ class_remove_file(bt_class, &class_attr_l2cap);
if (bt_sock_unregister(BTPROTO_L2CAP) < 0)
BT_ERR("L2CAP socket unregistration failed");
git.openpandora.org / pandora-kernel.git / blobdiff