diff options
| -rw-r--r-- | include/net/bluetooth/l2cap.h | 11 | ||||
| -rw-r--r-- | net/bluetooth/l2cap_core.c | 2 |
2 files changed, 13 insertions, 0 deletions
diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h index bbb0e214e51..d6d8ec8eb8c 100644 --- a/include/net/bluetooth/l2cap.h +++ b/include/net/bluetooth/l2cap.h @@ -497,6 +497,7 @@ struct l2cap_chan { void *data; struct l2cap_ops *ops; + struct mutex lock; }; struct l2cap_ops { @@ -609,6 +610,16 @@ static inline void l2cap_chan_put(struct l2cap_chan *c) kfree(c); } +static inline void l2cap_chan_lock(struct l2cap_chan *chan) +{ + mutex_lock(&chan->lock); +} + +static inline void l2cap_chan_unlock(struct l2cap_chan *chan) +{ + mutex_unlock(&chan->lock); +} + static inline void l2cap_set_timer(struct l2cap_chan *chan, struct delayed_work *work, long timeout) { diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index 8e8e9e93fb3..e39eba1ac4d 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -247,6 +247,8 @@ struct l2cap_chan *l2cap_chan_create(struct sock *sk) if (!chan) return NULL; + mutex_init(&chan->lock); + chan->sk = sk; write_lock(&chan_list_lock); |