diff options
Diffstat (limited to 'hw/usb')
| -rw-r--r-- | hw/usb/hcd-dwc2.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/hw/usb/hcd-dwc2.c b/hw/usb/hcd-dwc2.c index 64c23c1..e1d96ac 100644 --- a/hw/usb/hcd-dwc2.c +++ b/hw/usb/hcd-dwc2.c @@ -250,6 +250,12 @@ static void dwc2_handle_packet(DWC2State *s, uint32_t devadr, USBDevice *dev, trace_usb_dwc2_handle_packet(chan, dev, &p->packet, epnum, types[eptype], dirs[epdir], mps, len, pcnt); + if (mps == 0) { + qemu_log_mask(LOG_GUEST_ERROR, + "%s: Bad HCCHAR_MPS set to zero\n", __func__); + return; + } + if (eptype == USB_ENDPOINT_XFER_CONTROL && pid == TSIZ_SC_MC_PID_SETUP) { pid = USB_TOKEN_SETUP; } else { |