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XHCI: Don't double-report completion status for isochronous transfers.

This commit is contained in:
Augustin Cavalier 2024-01-31 14:49:00 -05:00
parent b785b0cf1c
commit 62ec294959
1 changed files with 4 additions and 1 deletions
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5
src/add-ons/kernel/busses/usb/xhci.cpp
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@ -2704,6 +2704,9 @@ XHCI::HandleTransferComplete(xhci_trb* trb)
descriptor.status = xhci_error_status(completionCode,
(td->transfer->TransferPipe()->Direction() != Pipe::Out));
// Don't double-report completion status.
completionCode = COMP_SUCCESS;
if (offset != (td->trb_used - 1)) {
// We'll be sent here again.
return;
@ -2722,7 +2725,7 @@ XHCI::HandleTransferComplete(xhci_trb* trb)
}
// Report the endpoint status (if any.)
if (completionCode == COMP_SUCCESS && endpoint->status != 0) {
if (endpoint->status != 0) {
completionCode = endpoint->status;
endpoint->status = 0;
}