diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index bb03aff6062e..e661396281a4 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1428,6 +1428,11 @@ static int __dwc3_gadget_ep_queue(struct dwc3_ep *dep, struct dwc3_request *req)
 				&req->request, req->dep->name))
 		return -EINVAL;
 
+	if (WARN(req->status < DWC3_REQUEST_STATUS_COMPLETED,
+				"%s: request %pK already in flight\n",
+				dep->name, &req->request))
+		return -EINVAL;
+
 	pm_runtime_get(dwc->dev);
 
 	req->request.actual	= 0;