From: Munkhbaatar Enkhbaatar <[email protected]>

Suggested-by: Peter Maydell <[email protected]>
Signed-off-by: Munkhbaatar Enkhbaatar <[email protected]>
Reviewed-by: Peter Maydell <[email protected]>
Signed-off-by: Peter Maydell <[email protected]>
---
 hw/usb/hcd-ohci.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/hw/usb/hcd-ohci.c b/hw/usb/hcd-ohci.c
index 6ed8046fc2..8f4de0066e 100644
--- a/hw/usb/hcd-ohci.c
+++ b/hw/usb/hcd-ohci.c
@@ -746,11 +746,10 @@ static int ohci_service_iso_td(OHCIState *ohci, struct 
ohci_ed *ed)
     usb_packet_setup(pkt, pid, ep, 0, addr, false, int_req);
     usb_packet_addbuf(pkt, buf, len);
     usb_handle_packet(dev, pkt);
-    if (pkt->status == USB_RET_ASYNC) {
-        usb_device_flush_ep_queue(dev, ep);
-        g_free(pkt);
-        return 1;
-    }
+
+    /* The USB core guarantees to never defer ISO TDs. */
+    assert(pkt->status != USB_RET_ASYNC);
+
     if (pkt->status == USB_RET_SUCCESS) {
         ret = pkt->actual_length;
     } else {
-- 
2.43.0


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