qemu/0087-usb-ohci-fix-error-ret...

29 lines
1009 B
Diff

From: Li Qiang <liqiang6-s@360.cn>
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 <liqiang6-s@360.cn>
Message-id: 5899ac3e.1033240a.944d5.9a2d@mx.google.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(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);