diff --git a/drivers/bluetooth/btmtk.c b/drivers/bluetooth/btmtk.c
index 38ba8f2bd2f9..a908e7b46eca 100644
--- a/drivers/bluetooth/btmtk.c
+++ b/drivers/bluetooth/btmtk.c
@@ -1051,8 +1051,10 @@ struct urb *alloc_mtk_intr_urb(struct hci_dev *hdev, struct sk_buff *skb,
 	if (!urb)
 		return ERR_PTR(-ENOMEM);
 
-	if (btmtk_isopkt_pad(hdev, skb))
+	if (btmtk_isopkt_pad(hdev, skb)) {
+		usb_free_urb(urb);
 		return ERR_PTR(-EINVAL);
+	}
 
 	pipe = usb_sndintpipe(btmtk_data->udev,
 			      btmtk_data->isopkt_tx_ep->bEndpointAddress);