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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-04-19 17:17:29 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-04-19 17:17:29 +0100 |
| commit | adf6d34e460387ee3e8f1e1875d52bff51212c7d (patch) | |
| tree | 88ef100143e6184103a608f82dfd232bf6376eaf /net/bluetooth/af_bluetooth.c | |
| parent | d1964dab60ce7c104dd21590e987a8787db18051 (diff) | |
| parent | 3760d31f11bfbd0ead9eaeb8573e0602437a9d7c (diff) | |
Merge branch 'omap2-upstream' into devel
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); } |