diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 4663c3dad3f5f676e913cbc9f6a79d5efcecde4e..db11b9d728b379192dda69a6f1bd11ce8c6c9e92 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -94,7 +94,6 @@ static ssize_t dut_mode_write(struct file *file, const char __user *user_buf,
 	char buf[32];
 	size_t buf_size = min(count, (sizeof(buf)-1));
 	bool enable;
-	int err;
 
 	if (!test_bit(HCI_UP, &hdev->flags))
 		return -ENETDOWN;
@@ -121,12 +120,8 @@ static ssize_t dut_mode_write(struct file *file, const char __user *user_buf,
 	if (IS_ERR(skb))
 		return PTR_ERR(skb);
 
-	err = -bt_to_errno(skb->data[0]);
 	kfree_skb(skb);
 
-	if (err < 0)
-		return err;
-
 	hci_dev_change_flag(hdev, HCI_DUT_MODE);
 
 	return count;