diff options
Diffstat (limited to 'net/bluetooth/sco.c')
| -rw-r--r-- | net/bluetooth/sco.c | 62 |
1 files changed, 22 insertions, 40 deletions
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c index cbdd313659a7..3589e21edb09 100644 --- a/net/bluetooth/sco.c +++ b/net/bluetooth/sco.c @@ -25,26 +25,8 @@ /* Bluetooth SCO sockets. */ #include <linux/module.h> - -#include <linux/types.h> -#include <linux/errno.h> -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/slab.h> -#include <linux/poll.h> -#include <linux/fcntl.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/socket.h> -#include <linux/skbuff.h> -#include <linux/device.h> #include <linux/debugfs.h> #include <linux/seq_file.h> -#include <linux/list.h> -#include <linux/security.h> -#include <net/sock.h> - -#include <linux/uaccess.h> #include <net/bluetooth/bluetooth.h> #include <net/bluetooth/hci_core.h> @@ -123,7 +105,7 @@ static struct sco_conn *sco_conn_add(struct hci_conn *hcon) return conn; } -static inline struct sock *sco_chan_get(struct sco_conn *conn) +static struct sock *sco_chan_get(struct sco_conn *conn) { struct sock *sk = NULL; sco_conn_lock(conn); @@ -149,6 +131,15 @@ static int sco_conn_del(struct hci_conn *hcon, int err) sco_sock_clear_timer(sk); sco_chan_del(sk, err); bh_unlock_sock(sk); + + sco_conn_lock(conn); + conn->sk = NULL; + sco_pi(sk)->conn = NULL; + sco_conn_unlock(conn); + + if (conn->hcon) + hci_conn_put(conn->hcon); + sco_sock_kill(sk); } @@ -157,7 +148,8 @@ static int sco_conn_del(struct hci_conn *hcon, int err) return 0; } -static inline int sco_chan_add(struct sco_conn *conn, struct sock *sk, struct sock *parent) +static int sco_chan_add(struct sco_conn *conn, struct sock *sk, + struct sock *parent) { int err = 0; @@ -228,7 +220,7 @@ done: return err; } -static inline int sco_send_frame(struct sock *sk, struct msghdr *msg, int len) +static int sco_send_frame(struct sock *sk, struct msghdr *msg, int len) { struct sco_conn *conn = sco_pi(sk)->conn; struct sk_buff *skb; @@ -254,7 +246,7 @@ static inline int sco_send_frame(struct sock *sk, struct msghdr *msg, int len) return len; } -static inline void sco_recv_frame(struct sco_conn *conn, struct sk_buff *skb) +static void sco_recv_frame(struct sco_conn *conn, struct sk_buff *skb) { struct sock *sk = sco_chan_get(conn); @@ -523,7 +515,7 @@ static int sco_sock_connect(struct socket *sock, struct sockaddr *addr, int alen goto done; err = bt_sock_wait_state(sk, BT_CONNECTED, - sock_sndtimeo(sk, flags & O_NONBLOCK)); + sock_sndtimeo(sk, flags & O_NONBLOCK)); done: release_sock(sk); @@ -788,7 +780,7 @@ static int sco_sock_shutdown(struct socket *sock, int how) if (sock_flag(sk, SOCK_LINGER) && sk->sk_lingertime) err = bt_sock_wait_state(sk, BT_CLOSED, - sk->sk_lingertime); + sk->sk_lingertime); } release_sock(sk); return err; @@ -838,16 +830,6 @@ static void sco_chan_del(struct sock *sk, int err) BT_DBG("sk %p, conn %p, err %d", sk, conn, err); - if (conn) { - sco_conn_lock(conn); - conn->sk = NULL; - sco_pi(sk)->conn = NULL; - sco_conn_unlock(conn); - - if (conn->hcon) - hci_conn_put(conn->hcon); - } - sk->sk_state = BT_CLOSED; sk->sk_err = err; sk->sk_state_change(sk); @@ -878,7 +860,7 @@ static void sco_conn_ready(struct sco_conn *conn) bh_lock_sock(parent); sk = sco_sock_alloc(sock_net(parent), NULL, - BTPROTO_SCO, GFP_ATOMIC); + BTPROTO_SCO, GFP_ATOMIC); if (!sk) { bh_unlock_sock(parent); goto done; @@ -907,7 +889,7 @@ done: /* ----- SCO interface with lower layer (HCI) ----- */ int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr) { - register struct sock *sk; + struct sock *sk; struct hlist_node *node; int lm = 0; @@ -920,7 +902,7 @@ int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr) continue; if (!bacmp(&bt_sk(sk)->src, &hdev->bdaddr) || - !bacmp(&bt_sk(sk)->src, BDADDR_ANY)) { + !bacmp(&bt_sk(sk)->src, BDADDR_ANY)) { lm |= HCI_LM_ACCEPT; break; } @@ -981,7 +963,7 @@ static int sco_debugfs_show(struct seq_file *f, void *p) sk_for_each(sk, node, &sco_sk_list.head) { seq_printf(f, "%s %s %d\n", batostr(&bt_sk(sk)->src), - batostr(&bt_sk(sk)->dst), sk->sk_state); + batostr(&bt_sk(sk)->dst), sk->sk_state); } read_unlock(&sco_sk_list.lock); @@ -1044,8 +1026,8 @@ int __init sco_init(void) } if (bt_debugfs) { - sco_debugfs = debugfs_create_file("sco", 0444, - bt_debugfs, NULL, &sco_debugfs_fops); + sco_debugfs = debugfs_create_file("sco", 0444, bt_debugfs, + NULL, &sco_debugfs_fops); if (!sco_debugfs) BT_ERR("Failed to create SCO debug file"); } |