diff options
Diffstat (limited to 'hw/usb-uhci.c')
| -rw-r--r-- | hw/usb-uhci.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/hw/usb-uhci.c b/hw/usb-uhci.c index 1b15074fc3..3231a3ec20 100644 --- a/hw/usb-uhci.c +++ b/hw/usb-uhci.c @@ -635,7 +635,7 @@ static int uhci_broadcast_packet(UHCIState *s, USBPacket *p) dprintf("uhci: packet enter. pid %s addr 0x%02x ep %d len %d\n", pid2str(p->pid), p->devaddr, p->devep, p->len); - if (p->pid == USB_TOKEN_OUT) + if (p->pid == USB_TOKEN_OUT || p->pid == USB_TOKEN_SETUP) dump_data(p->data, p->len); ret = USB_RET_NODEV; @@ -755,7 +755,7 @@ out: static int uhci_handle_td(UHCIState *s, uint32_t addr, UHCI_TD *td, uint32_t *int_mask) { UHCIAsync *async; - int len = 0, max_len, ret = 0; + int len = 0, max_len; uint8_t pid; /* Is active ? */ @@ -798,12 +798,13 @@ static int uhci_handle_td(UHCIState *s, uint32_t addr, UHCI_TD *td, uint32_t *in case USB_TOKEN_OUT: case USB_TOKEN_SETUP: cpu_physical_memory_read(td->buffer, async->buffer, max_len); - ret = uhci_broadcast_packet(s, &async->packet); - len = max_len; + len = uhci_broadcast_packet(s, &async->packet); + if (len >= 0) + len = max_len; break; case USB_TOKEN_IN: - ret = uhci_broadcast_packet(s, &async->packet); + len = uhci_broadcast_packet(s, &async->packet); break; default: @@ -814,17 +815,17 @@ static int uhci_handle_td(UHCIState *s, uint32_t addr, UHCI_TD *td, uint32_t *in return -1; } - if (ret == USB_RET_ASYNC) { + if (len == USB_RET_ASYNC) { uhci_async_link(s, async); return 2; } - async->packet.len = ret; + async->packet.len = len; done: - ret = uhci_complete_td(s, td, async, int_mask); + len = uhci_complete_td(s, td, async, int_mask); uhci_async_free(s, async); - return ret; + return len; } static void uhci_async_complete(USBPacket *packet, void *opaque) |