Bluetooth: Access HIDP session addresses through L2CAP channel

The L2CAP socket structure does not contain the address information
anymore. They need to be accessed through the L2CAP channel.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>

diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
index bdc35a7..292e619 100644 (file)
--- a/net/bluetooth/hidp/core.c
+++ b/net/bluetooth/hidp/core.c
@@ -767,10 +767,10 @@ static int hidp_setup_hid(struct hidp_session *session,
        strncpy(hid->name, req->name, sizeof(req->name) - 1);
 
        snprintf(hid->phys, sizeof(hid->phys), "%pMR",
-                &bt_sk(session->ctrl_sock->sk)->src);
+                &l2cap_pi(session->ctrl_sock->sk)->chan->src);
 
        snprintf(hid->uniq, sizeof(hid->uniq), "%pMR",
-                &bt_sk(session->ctrl_sock->sk)->dst);
+                &l2cap_pi(session->ctrl_sock->sk)->chan->dst);
 
        hid->dev.parent = &session->conn->hcon->dev;
        hid->ll_driver = &hidp_hid_driver;
@@ -1283,23 +1283,29 @@ static int hidp_session_thread(void *arg)
 static int hidp_verify_sockets(struct socket *ctrl_sock,
                               struct socket *intr_sock)
 {
+       struct l2cap_chan *ctrl_chan, *intr_chan;
        struct bt_sock *ctrl, *intr;
        struct hidp_session *session;
 
        if (!l2cap_is_socket(ctrl_sock) || !l2cap_is_socket(intr_sock))
                return -EINVAL;
 
+       ctrl_chan = l2cap_pi(ctrl_sock->sk)->chan;
+       intr_chan = l2cap_pi(intr_sock->sk)->chan;
+
+       if (bacmp(&ctrl_chan->src, &intr_chan->src) ||
+           bacmp(&ctrl_chan->dst, &intr_chan->dst))
+               return -ENOTUNIQ;
+
        ctrl = bt_sk(ctrl_sock->sk);
        intr = bt_sk(intr_sock->sk);
 
-       if (bacmp(&ctrl->src, &intr->src) || bacmp(&ctrl->dst, &intr->dst))
-               return -ENOTUNIQ;
        if (ctrl->sk.sk_state != BT_CONNECTED ||
            intr->sk.sk_state != BT_CONNECTED)
                return -EBADFD;
 
        /* early session check, we check again during session registration */
-       session = hidp_session_find(&ctrl->dst);
+       session = hidp_session_find(&ctrl_chan->dst);
        if (session) {
                hidp_session_put(session);
                return -EEXIST;
@@ -1332,7 +1338,7 @@ int hidp_connection_add(struct hidp_connadd_req *req,
        if (!conn)
                return -EBADFD;
 
-       ret = hidp_session_new(&session, &bt_sk(ctrl_sock->sk)->dst, ctrl_sock,
+       ret = hidp_session_new(&session, &chan->dst, ctrl_sock,
                               intr_sock, req, conn);
        if (ret)
                goto out_conn;