X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=net%2Fbluetooth%2Faf_bluetooth.c;h=ded57974390eecbfe134f2886533d0db0af7aea4;hp=8f9431a12c6f36ed5f8d3ad2b28f765120824d7b;hb=dd2efd03b49d56ae795c71335bc7358022514c32;hpb=0552f297951d0ab3a1027f9b06fa40c9be8378ba diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c index 8f9431a12c6f..ded57974390e 100644 --- a/net/bluetooth/af_bluetooth.c +++ b/net/bluetooth/af_bluetooth.c @@ -41,18 +41,13 @@ #include -#ifndef CONFIG_BT_SOCK_DEBUG -#undef BT_DBG -#define BT_DBG(D...) -#endif - -#define VERSION "2.13" +#define VERSION "2.15" /* Bluetooth sockets */ #define BT_MAX_PROTO 8 static 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] = { "sk_lock-AF_BLUETOOTH-BTPROTO_L2CAP", @@ -65,6 +60,7 @@ static const char *bt_key_strings[BT_MAX_PROTO] = { "sk_lock-AF_BLUETOOTH-BTPROTO_AVDTP", }; +static struct lock_class_key bt_slock_key[BT_MAX_PROTO]; static const char *bt_slock_key_strings[BT_MAX_PROTO] = { "slock-AF_BLUETOOTH-BTPROTO_L2CAP", "slock-AF_BLUETOOTH-BTPROTO_HCI", @@ -75,7 +71,20 @@ 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); + +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, struct net_proto_family *ops) { @@ -117,21 +126,6 @@ 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) { int err; @@ -151,7 +145,7 @@ 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); - bt_reclassify_sock_lock(sock, proto); + bt_sock_reclassify_lock(sock, proto); module_put(bt_proto[proto]->owner); } @@ -217,7 +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); @@ -232,7 +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; @@ -240,7 +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; @@ -275,6 +270,9 @@ static inline unsigned int bt_accept_poll(struct sock *parent) struct list_head *p, *n; struct sock *sk; + if (bt_sk(parent)->defer_setup) + return POLLIN | POLLRDNORM; + 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)