X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=net%2Fbluetooth%2Faf_bluetooth.c;h=421c45bd1b95232e0a4ac7a282fdaeabd18fb21d;hb=1356de06cea80ffc84cde6a4f8779414f20f211e;hp=1edfdf4c095ba085ebe134eb6a3ee00d23128f1d;hpb=63fbd24e5102eecfc9d049ed7f4be7f9a25f814f;p=safe%2Fjmp%2Flinux-2.6 diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c index 1edfdf4..421c45b 100644 --- a/net/bluetooth/af_bluetooth.c +++ b/net/bluetooth/af_bluetooth.c @@ -31,33 +31,24 @@ #include #include #include -#include #include #include #include #include #include - -#if defined(CONFIG_KMOD) #include -#endif #include -#ifndef CONFIG_BT_SOCK_DEBUG -#undef BT_DBG -#define BT_DBG(D...) -#endif - -#define VERSION "2.12" +#define VERSION "2.15" /* Bluetooth sockets */ #define BT_MAX_PROTO 8 -static struct net_proto_family *bt_proto[BT_MAX_PROTO]; +static const struct net_proto_family *bt_proto[BT_MAX_PROTO]; +static DEFINE_RWLOCK(bt_proto_lock); -static struct lock_class_key bt_slock_key[BT_MAX_PROTO]; static struct lock_class_key bt_lock_key[BT_MAX_PROTO]; -static const char *bt_key_strings[BT_MAX_PROTO] = { +static const char *const bt_key_strings[BT_MAX_PROTO] = { "sk_lock-AF_BLUETOOTH-BTPROTO_L2CAP", "sk_lock-AF_BLUETOOTH-BTPROTO_HCI", "sk_lock-AF_BLUETOOTH-BTPROTO_SCO", @@ -68,7 +59,8 @@ static const char *bt_key_strings[BT_MAX_PROTO] = { "sk_lock-AF_BLUETOOTH-BTPROTO_AVDTP", }; -static const char *bt_slock_key_strings[BT_MAX_PROTO] = { +static struct lock_class_key bt_slock_key[BT_MAX_PROTO]; +static const char *const bt_slock_key_strings[BT_MAX_PROTO] = { "slock-AF_BLUETOOTH-BTPROTO_L2CAP", "slock-AF_BLUETOOTH-BTPROTO_HCI", "slock-AF_BLUETOOTH-BTPROTO_SCO", @@ -78,9 +70,22 @@ static const char *bt_slock_key_strings[BT_MAX_PROTO] = { "slock-AF_BLUETOOTH-BTPROTO_HIDP", "slock-AF_BLUETOOTH-BTPROTO_AVDTP", }; -static DEFINE_RWLOCK(bt_proto_lock); -int bt_sock_register(int proto, struct net_proto_family *ops) +static inline void bt_sock_reclassify_lock(struct socket *sock, int proto) +{ + struct sock *sk = sock->sk; + + if (!sk) + return; + + 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]); +} + +int bt_sock_register(int proto, const struct net_proto_family *ops) { int err = 0; @@ -120,22 +125,8 @@ int bt_sock_unregister(int proto) } EXPORT_SYMBOL(bt_sock_unregister); -static void bt_reclassify_sock_lock(struct socket *sock, int proto) -{ - struct sock *sk = sock->sk; - - if (!sk) - return; - 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]); -} - -static int bt_sock_create(struct net *net, struct socket *sock, int proto) +static int bt_sock_create(struct net *net, struct socket *sock, int proto, + int kern) { int err; @@ -145,19 +136,16 @@ static int bt_sock_create(struct net *net, struct socket *sock, int proto) if (proto < 0 || proto >= BT_MAX_PROTO) return -EINVAL; -#if defined(CONFIG_KMOD) - if (!bt_proto[proto]) { + if (!bt_proto[proto]) request_module("bt-proto-%d", proto); - } -#endif err = -EPROTONOSUPPORT; read_lock(&bt_proto_lock); if (bt_proto[proto] && try_module_get(bt_proto[proto]->owner)) { - err = bt_proto[proto]->create(net, sock, proto); - bt_reclassify_sock_lock(sock, proto); + err = bt_proto[proto]->create(net, sock, proto, kern); + bt_sock_reclassify_lock(sock, proto); module_put(bt_proto[proto]->owner); } @@ -223,7 +211,8 @@ struct sock *bt_accept_dequeue(struct sock *parent, struct socket *newsock) continue; } - if (sk->sk_state == BT_CONNECTED || !newsock) { + if (sk->sk_state == BT_CONNECTED || !newsock || + bt_sk(parent)->defer_setup) { bt_accept_unlink(sk); if (newsock) sock_graft(sk, newsock); @@ -238,7 +227,7 @@ struct sock *bt_accept_dequeue(struct sock *parent, struct socket *newsock) EXPORT_SYMBOL(bt_accept_dequeue); int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock, - struct msghdr *msg, size_t len, int flags) + struct msghdr *msg, size_t len, int flags) { int noblock = flags & MSG_DONTWAIT; struct sock *sk = sock->sk; @@ -246,7 +235,7 @@ int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock, size_t copied; int err; - BT_DBG("sock %p sk %p len %d", sock, sk, len); + BT_DBG("sock %p sk %p len %zu", sock, sk, len); if (flags & (MSG_OOB)) return -EOPNOTSUPP; @@ -268,7 +257,7 @@ int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock, skb_reset_transport_header(skb); err = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied); if (err == 0) - sock_recv_timestamp(msg, sk, skb); + sock_recv_ts_and_drops(msg, sk, skb); skb_free_datagram(sk, skb); @@ -283,7 +272,9 @@ static inline unsigned int bt_accept_poll(struct sock *parent) list_for_each_safe(p, n, &bt_sk(parent)->accept_q) { sk = (struct sock *) list_entry(p, struct bt_sock, accept_q); - if (sk->sk_state == BT_CONNECTED) + if (sk->sk_state == BT_CONNECTED || + (bt_sk(parent)->defer_setup && + sk->sk_state == BT_CONNECT2)) return POLLIN | POLLRDNORM; } @@ -297,7 +288,7 @@ unsigned int bt_sock_poll(struct file * file, struct socket *sock, poll_table *w BT_DBG("sock %p, sk %p", sock, sk); - poll_wait(file, sk->sk_sleep, wait); + poll_wait(file, sk_sleep(sk), wait); if (sk->sk_state == BT_LISTEN) return bt_accept_poll(sk); @@ -346,7 +337,7 @@ int bt_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) if (sk->sk_state == BT_LISTEN) return -EINVAL; - amount = sk->sk_sndbuf - atomic_read(&sk->sk_wmem_alloc); + amount = sk->sk_sndbuf - sk_wmem_alloc_get(sk); if (amount < 0) amount = 0; err = put_user(amount, (int __user *) arg); @@ -387,7 +378,7 @@ int bt_sock_wait_state(struct sock *sk, int state, unsigned long timeo) BT_DBG("sk %p", sk); - add_wait_queue(sk->sk_sleep, &wait); + add_wait_queue(sk_sleep(sk), &wait); while (sk->sk_state != state) { set_current_state(TASK_INTERRUPTIBLE); @@ -410,7 +401,7 @@ int bt_sock_wait_state(struct sock *sk, int state, unsigned long timeo) break; } set_current_state(TASK_RUNNING); - remove_wait_queue(sk->sk_sleep, &wait); + remove_wait_queue(sk_sleep(sk), &wait); return err; } EXPORT_SYMBOL(bt_sock_wait_state);