diff options
| -rw-r--r-- | hw/usb-xhci.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/hw/usb-xhci.c b/hw/usb-xhci.c index 7028338a28..aa236c9a3f 100644 --- a/hw/usb-xhci.c +++ b/hw/usb-xhci.c @@ -1385,6 +1385,14 @@ static int xhci_complete_packet(XHCITransfer *xfer, int ret) return 0; } +static USBDevice *xhci_find_device(XHCIPort *port, uint8_t addr) +{ + if (!(port->portsc & PORTSC_PED)) { + return NULL; + } + return usb_find_device(&port->port, addr); +} + static int xhci_fire_ctl_transfer(XHCIState *xhci, XHCITransfer *xfer) { XHCITRB *trb_setup, *trb_status; @@ -1444,7 +1452,7 @@ static int xhci_fire_ctl_transfer(XHCIState *xhci, XHCITransfer *xfer) xfer->data_length = wLength; port = &xhci->ports[xhci->slots[xfer->slotid-1].port-1]; - dev = port->port.dev; + dev = xhci_find_device(port, xhci->slots[xfer->slotid-1].devaddr); if (!dev) { fprintf(stderr, "xhci: slot %d port %d has no device\n", xfer->slotid, xhci->slots[xfer->slotid-1].port); @@ -1502,7 +1510,7 @@ static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx } port = &xhci->ports[xhci->slots[xfer->slotid-1].port-1]; - dev = port->port.dev; + dev = xhci_find_device(port, xhci->slots[xfer->slotid-1].devaddr); if (!dev) { fprintf(stderr, "xhci: slot %d port %d has no device\n", xfer->slotid, xhci->slots[xfer->slotid-1].port); |