haraldwolff/qemu-patch-raspberry4
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usb: ohci: fix error return code in servicing iso td

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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 <liqiang6-s@360.cn>
Message-id: 5899ac3e.1033240a.944d5.9a2d@mx.google.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Li Qiang 2017-02-07 03:15:03 -08:00 committed by Gerd Hoffmann
parent d710e1e7bd
commit 26f670a244
1 changed files with 1 additions and 1 deletions
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2
hw/usb/hcd-ohci.c
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@ -725,7 +725,7 @@ 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);