diff options
Diffstat (limited to 'drivers/usb/dwc3')
| -rw-r--r-- | drivers/usb/dwc3/ep0.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index 25910e251c04..a40d3bb0f1c2 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -559,8 +559,12 @@ static void dwc3_ep0_complete_data(struct dwc3 *dwc, length = trb->size & DWC3_TRB_SIZE_MASK; if (dwc->ep0_bounced) { + unsigned transfer_size = ur->length; + unsigned maxp = ep0->endpoint.maxpacket; + + transfer_size += (maxp - (transfer_size % maxp)); transferred = min_t(u32, ur->length, - ep0->endpoint.maxpacket - length); + transfer_size - length); memcpy(ur->buf, dwc->ep0_bounce, transferred); dwc->ep0_bounced = false; } else { |