diff options
author | David S. Miller <davem@davemloft.net> | 2008-04-02 22:35:23 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2008-04-02 22:35:23 -0700 |
commit | e1ec1b8ccdf0df6000faa8c2d985ca5f94157e5a (patch) | |
tree | 4e1ca325dde22f1ac21c9da0be509e87e922e604 /net/bluetooth/af_bluetooth.c | |
parent | c0f39322c335412339dec16ebfd2a05ceba5ebcf (diff) | |
parent | 802fb176d8c635ae42da31b80841c26e8c7338a0 (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/s2io.c
Diffstat (limited to 'net/bluetooth/af_bluetooth.c')
-rw-r--r-- | net/bluetooth/af_bluetooth.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c index 1220d8a41eb..d366423c839 100644 --- a/net/bluetooth/af_bluetooth.c +++ b/net/bluetooth/af_bluetooth.c @@ -53,6 +53,30 @@ /* Bluetooth sockets */ #define BT_MAX_PROTO 8 static struct net_proto_family *bt_proto[BT_MAX_PROTO]; + +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", + "sk_lock-AF_BLUETOOTH-BTPROTO_HCI", + "sk_lock-AF_BLUETOOTH-BTPROTO_SCO", + "sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM", + "sk_lock-AF_BLUETOOTH-BTPROTO_BNEP", + "sk_lock-AF_BLUETOOTH-BTPROTO_CMTP", + "sk_lock-AF_BLUETOOTH-BTPROTO_HIDP", + "sk_lock-AF_BLUETOOTH-BTPROTO_AVDTP", +}; + +static const char *bt_slock_key_strings[BT_MAX_PROTO] = { + "slock-AF_BLUETOOTH-BTPROTO_L2CAP", + "slock-AF_BLUETOOTH-BTPROTO_HCI", + "slock-AF_BLUETOOTH-BTPROTO_SCO", + "slock-AF_BLUETOOTH-BTPROTO_RFCOMM", + "slock-AF_BLUETOOTH-BTPROTO_BNEP", + "slock-AF_BLUETOOTH-BTPROTO_CMTP", + "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) @@ -95,6 +119,21 @@ 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; @@ -117,6 +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); module_put(bt_proto[proto]->owner); } |