diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index e871dd61a636..70b896297494 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -2843,8 +2843,21 @@ static int handle_tx_event(struct xhci_hcd *xhci, return 0; skip_isoc_td(xhci, td, ep, status); - if (!list_empty(&ep_ring->td_list)) + + if (!list_empty(&ep_ring->td_list)) { + if (ring_xrun_event) { + /* + * If we are here, we are on xHCI 1.0 host with no + * idea how many TDs were missed or where the xrun + * occurred. New TDs may have been added after the + * xrun, so skip only one TD to be safe. + */ + xhci_dbg(xhci, "Skipped one TD for slot %u ep %u", + slot_id, ep_index); + return 0; + } continue; + } xhci_dbg(xhci, "All TDs skipped for slot %u ep %u. Clear skip flag.\n", slot_id, ep_index);