From: Li Qiang Date: Tue, 7 Feb 2017 03:15:03 -0800 Subject: [PATCH] usb: ohci: fix error return code in servicing iso td It should return 1 if an error occurs when reading iso td. This will avoid an infinite loop issue in ohci_service_ed_list. Signed-off-by: Li Qiang Message-id: 5899ac3e.1033240a.944d5.9a2d@mx.google.com Signed-off-by: Gerd Hoffmann (cherry picked from commit 26f670a244982335cc08943fb1ec099a2c81e42d) --- 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 48307febd3..27130fe08f 100644 --- a/hw/usb/hcd-ohci.c +++ b/hw/usb/hcd-ohci.c @@ -727,7 +727,7 @@ static int ohci_service_iso_td(OHCIState *ohci, struct ohci_ed *ed, if (ohci_read_iso_td(ohci, addr, &iso_td)) { trace_usb_ohci_iso_td_read_failed(addr); ohci_die(ohci); - return 0; + return 1; } starting_frame = OHCI_BM(iso_td.flags, TD_SF);