diff options
Diffstat (limited to 'hw/usb/hcd-uhci.c')
| -rw-r--r-- | hw/usb/hcd-uhci.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/hw/usb/hcd-uhci.c b/hw/usb/hcd-uhci.c index e694b62086..09df29ff9c 100644 --- a/hw/usb/hcd-uhci.c +++ b/hw/usb/hcd-uhci.c @@ -858,13 +858,15 @@ static int uhci_handle_td(UHCIState *s, UHCIQueue *q, uint32_t qh_addr, /* Allocate new packet */ if (q == NULL) { - USBDevice *dev = uhci_find_device(s, (td->token >> 8) & 0x7f); - USBEndpoint *ep = usb_ep_get(dev, pid, (td->token >> 15) & 0xf); + USBDevice *dev; + USBEndpoint *ep; - if (ep == NULL) { + dev = uhci_find_device(s, (td->token >> 8) & 0x7f); + if (dev == NULL) { return uhci_handle_td_error(s, td, td_addr, USB_RET_NODEV, int_mask); } + ep = usb_ep_get(dev, pid, (td->token >> 15) & 0xf); q = uhci_queue_new(s, qh_addr, td, ep); } async = uhci_async_alloc(q, td_addr); |