diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 0c636ba1ba1620587adc0ca10d06c461508af85b..593b4efb1d7f4ce7cbd2f4df96fd8d8133748bdf 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -1048,6 +1048,11 @@ int hci_inquiry(void __user *arg)
 		goto done;
 	}
 
+	if (hdev->dev_type != HCI_BREDR) {
+		err = -EOPNOTSUPP;
+		goto done;
+	}
+
 	if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
 		err = -EOPNOTSUPP;
 		goto done;
@@ -1533,6 +1538,11 @@ int hci_dev_cmd(unsigned int cmd, void __user *arg)
 		goto done;
 	}
 
+	if (hdev->dev_type != HCI_BREDR) {
+		err = -EOPNOTSUPP;
+		goto done;
+	}
+
 	if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
 		err = -EOPNOTSUPP;
 		goto done;
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index 579886186c3a826f126f19929541a0c0788d4e12..5b2d3f3c9b67026481f97d6656f95e3223eee8d6 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -518,6 +518,9 @@ static int hci_sock_bound_ioctl(struct sock *sk, unsigned int cmd,
 	if (test_bit(HCI_USER_CHANNEL, &hdev->dev_flags))
 		return -EBUSY;
 
+	if (hdev->dev_type != HCI_BREDR)
+		return -EOPNOTSUPP;
+
 	switch (cmd) {
 	case HCISETRAW:
 		if (!capable(CAP_NET_ADMIN))