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usb: ohci: fix error return code in servicing td 

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 <liqiang6-s@360.cn>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 1487760990-115925-1-git-send-email-liqiang6-s@360.cn
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Li Qiang 2017-02-22 02:56:30 -08:00 committed by Gerd Hoffmann
parent c4fe9700e6
commit 6ebc069d67
1 changed files with 1 additions and 1 deletions
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2
hw/usb/hcd-ohci.c
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@ -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);