diff options
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/host/xhci.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 27283654ca08..9248ce8d09a4 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -1361,12 +1361,17 @@ static void xhci_unmap_temp_buf(struct usb_hcd *hcd, struct urb *urb) urb->transfer_buffer_length, dir); - if (usb_urb_dir_in(urb)) + if (usb_urb_dir_in(urb)) { len = sg_pcopy_from_buffer(urb->sg, urb->num_sgs, urb->transfer_buffer, buf_len, 0); - + if (len != buf_len) { + xhci_dbg(hcd_to_xhci(hcd), + "Copy from tmp buf to urb sg list failed\n"); + urb->actual_length = len; + } + } urb->transfer_flags &= ~URB_DMA_MAP_SINGLE; kfree(urb->transfer_buffer); urb->transfer_buffer = NULL; |