diff options
| -rw-r--r-- | payloads/libpayload/drivers/usb/uhci.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/payloads/libpayload/drivers/usb/uhci.c b/payloads/libpayload/drivers/usb/uhci.c index 386392b53f..bf611d2613 100644 --- a/payloads/libpayload/drivers/usb/uhci.c +++ b/payloads/libpayload/drivers/usb/uhci.c @@ -572,7 +572,6 @@ uhci_poll_intr_queue (void *q_) { intr_q *q = (intr_q*)q_; if ((q->tds[q->lastread].ctrlsts & TD_STATUS_ACTIVE) == 0) { - /* FIXME: handle errors */ int current = q->lastread; int previous; if (q->lastread == 0) { @@ -588,7 +587,8 @@ uhci_poll_intr_queue (void *q_) } q->tds[previous].ctrlsts |= TD_STATUS_ACTIVE; q->lastread = (q->lastread + 1) % q->total; - return &q->data[current*q->reqsize]; + if (!(q->tds[current].ctrlsts & TD_STATUS_MASK)) + return &q->data[current*q->reqsize]; } /* reset queue if we fully processed it after underrun */ else if (q->qh->elementlinkptr & FLISTP_TERMINATE) { |