diff options
| -rw-r--r-- | drivers/usb/dwc3/gadget.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 39c19d94de1..7d6bcc2627f 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -249,7 +249,7 @@ void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req, list_del(&req->list); req->trb = NULL; - if (req->request.length) + if (req->request.dma && req->request.length) dwc3_flush_cache((uintptr_t)req->request.dma, req->request.length); if (req->request.status == -EINPROGRESS) @@ -257,7 +257,7 @@ void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req, if (dwc->ep0_bounced && dep->number == 0) dwc->ep0_bounced = false; - else + else if (req->request.dma) usb_gadget_unmap_request(&dwc->gadget, &req->request, req->direction); |