diff options
| -rw-r--r-- | net/bluetooth/af_bluetooth.c | 41 |
1 files changed, 23 insertions, 18 deletions
diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c index 8f9431a12c6f..41f07f549ba7 100644 --- a/net/bluetooth/af_bluetooth.c +++ b/net/bluetooth/af_bluetooth.c @@ -51,8 +51,9 @@ /* 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]; +#ifdef CONFIG_DEBUG_LOCK_ALLOC 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 +66,7 @@ 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 +77,25 @@ 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]); +} +#else +static inline void bt_sock_reclassify_lock(struct socket *sock, int proto) +{ +} +#endif int bt_sock_register(int proto, struct net_proto_family *ops) { @@ -117,21 +137,6 @@ 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 +156,7 @@ 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); } |
