It should return 1 if an error occurs when reading td.
This will avoid an infinite loop issue in ohci_service_ed_list.

Signed-off-by: Li Qiang <liqiang...@360.cn>
---
 hw/usb/hcd-ohci.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/usb/hcd-ohci.c b/hw/usb/hcd-ohci.c
index 21c93e0..fe8406a 100644
--- a/hw/usb/hcd-ohci.c
+++ b/hw/usb/hcd-ohci.c
@@ -1001,7 +1001,7 @@ static int ohci_service_td(OHCIState *ohci, struct 
ohci_ed *ed)
     if (ohci_read_td(ohci, addr, &td)) {
         trace_usb_ohci_td_read_error(addr);
         ohci_die(ohci);
-        return 0;
+        return 1;
     }
 
     dir = OHCI_BM(ed->flags, ED_D);
-- 
1.8.3.1


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