diff options
Diffstat (limited to 'kernel/net/bluetooth/hidp/core.c')
| -rw-r--r-- | kernel/net/bluetooth/hidp/core.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/kernel/net/bluetooth/hidp/core.c b/kernel/net/bluetooth/hidp/core.c index 9070dfd6b..0bec4588c 100644 --- a/kernel/net/bluetooth/hidp/core.c +++ b/kernel/net/bluetooth/hidp/core.c @@ -401,6 +401,20 @@ static void hidp_idle_timeout(unsigned long arg) { struct hidp_session *session = (struct hidp_session *) arg; + /* The HIDP user-space API only contains calls to add and remove + * devices. There is no way to forward events of any kind. Therefore, + * we have to forcefully disconnect a device on idle-timeouts. This is + * unfortunate and weird API design, but it is spec-compliant and + * required for backwards-compatibility. Hence, on idle-timeout, we + * signal driver-detach events, so poll() will be woken up with an + * error-condition on both sockets. + */ + + session->intr_sock->sk->sk_err = EUNATCH; + session->ctrl_sock->sk->sk_err = EUNATCH; + wake_up_interruptible(sk_sleep(session->intr_sock->sk)); + wake_up_interruptible(sk_sleep(session->ctrl_sock->sk)); + hidp_session_terminate(session); } @@ -915,6 +929,7 @@ static int hidp_session_new(struct hidp_session **out, const bdaddr_t *bdaddr, session->conn = l2cap_conn_get(conn); session->user.probe = hidp_session_probe; session->user.remove = hidp_session_remove; + INIT_LIST_HEAD(&session->user.list); session->ctrl_sock = ctrl_sock; session->intr_sock = intr_sock; skb_queue_head_init(&session->ctrl_transmit); |