diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index f3fec4264dcf..d78ce81d2cf4 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -1424,6 +1424,12 @@ static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data, hci_dev_lock(hdev); + if (!lmp_bredr_capable(hdev)) { + err = cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, + MGMT_STATUS_NOT_SUPPORTED); + goto unlock; + } + if (test_bit(HCI_PENDING_CLASS, &hdev->dev_flags)) { err = cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, MGMT_STATUS_BUSY);