diff options
Diffstat (limited to 'drivers/usb/host/uhci-q.c')
| -rw-r--r-- | drivers/usb/host/uhci-q.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/usb/host/uhci-q.c b/drivers/usb/host/uhci-q.c index c9d72ac0a1d77..431e8f31f1a97 100644 --- a/drivers/usb/host/uhci-q.c +++ b/drivers/usb/host/uhci-q.c @@ -372,7 +372,7 @@ static void uhci_fixup_toggles(struct uhci_qh *qh, int skip_first) * need to change any toggles in this URB */ td = list_entry(urbp->td_list.next, struct uhci_td, list); if (toggle > 1 || uhci_toggle(td_token(td)) == toggle) { - td = list_entry(urbp->td_list.next, struct uhci_td, + td = list_entry(urbp->td_list.prev, struct uhci_td, list); toggle = uhci_toggle(td_token(td)) ^ 1; @@ -943,7 +943,9 @@ static int uhci_result_common(struct uhci_hcd *uhci, struct urb *urb) /* We received a short packet */ if (urb->transfer_flags & URB_SHORT_NOT_OK) ret = -EREMOTEIO; - else if (ctrlstat & TD_CTRL_SPD) + + /* Fixup needed only if this isn't the URB's last TD */ + else if (&td->list != urbp->td_list.prev) ret = 1; } @@ -1346,7 +1348,7 @@ static void uhci_scan_qh(struct uhci_hcd *uhci, struct uhci_qh *qh, } uhci_giveback_urb(uhci, qh, urb, regs); - if (status < 0) + if (status < 0 && qh->type != USB_ENDPOINT_XFER_ISOC) break; } |