diff options
Diffstat (limited to 'hw/usb/hcd-ohci.c')
| -rw-r--r-- | hw/usb/hcd-ohci.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/hw/usb/hcd-ohci.c b/hw/usb/hcd-ohci.c index ffab561cf..fa5703832 100644 --- a/hw/usb/hcd-ohci.c +++ b/hw/usb/hcd-ohci.c @@ -1474,7 +1474,7 @@ static uint32_t ohci_get_frame_remaining(OHCIState *ohci) if (tks >= usb_frame_time) return (ohci->frt << 31); - tks = muldiv64(1, tks, usb_bit_time); + tks = tks / usb_bit_time; fr = (uint16_t)(ohci->fi - tks); return (ohci->frt << 31) | fr; @@ -1848,6 +1848,12 @@ static void usb_ohci_init(OHCIState *ohci, DeviceState *dev, ohci->as = as; + if (num_ports > OHCI_MAX_PORTS) { + error_setg(errp, "OHCI num-ports=%d is too big (limit is %d ports)", + num_ports, OHCI_MAX_PORTS); + return; + } + if (usb_frame_time == 0) { #ifdef OHCI_TIME_WARP usb_frame_time = NANOSECONDS_PER_SECOND; |