Bluetooth: Fix missing update of conn params

We should update any stored connection parameters when we receive the LE
Remote Connection Parameter Request HCI event. This patch adds the
necessary code to the function that handles the event.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

net/bluetooth/hci_event.c

@@ -4429,9 +4429,25 @@ static void hci_le_remote_conn_param_req_evt(struct hci_dev *hdev,
 		return send_conn_param_neg_reply(hdev, handle,
 						 HCI_ERROR_INVALID_LL_PARAMS);
 
-	if (test_bit(HCI_CONN_MASTER, &hcon->flags))
+	if (test_bit(HCI_CONN_MASTER, &hcon->flags)) {
+		struct hci_conn_params *params;
+
+		hci_dev_lock(hdev);
+
+		params = hci_conn_params_lookup(hdev, &hcon->dst,
+						hcon->dst_type);
+		if (params) {
+			params->conn_min_interval = min;
+			params->conn_max_interval = max;
+			params->conn_latency = latency;
+			params->supervision_timeout = timeout;
+		}
+
+		hci_dev_unlock(hdev);
+
 		mgmt_new_conn_param(hdev, &hcon->dst, hcon->dst_type, min, max,
 				    latency, timeout);
+	}
 
 	cp.handle = ev->handle;
 	cp.interval_min = ev->interval_min;