Right to say, the bug is in windows_transfer_callback, just easy if (io_size >
0) will help.
case ERROR_OPERATION_ABORTED:
- istatus = priv->apib->copy_transfer_data(SUB_API_NOTSET, itransfer,
io_size);
- if (istatus != LIBUSB_TRANSFER_COMPLETED) {
- usbi_dbg("Failed to copy partial data in aborted operation: %d",
istatus);
+ if (io_size > 0) {
+ istatus = priv->apib->copy_transfer_data(SUB_API_NOTSET,
itransfer, io_size);
+ if (istatus != LIBUSB_TRANSFER_COMPLETED) {
+ usbi_dbg("Failed to copy partial data in aborted
operation: %d", istatus);
+ }
}
if (itransfer->flags & USBI_TRANSFER_TIMED_OUT) {
usbi_dbg("detected timeout");
status = LIBUSB_TRANSFER_TIMED_OUT;
} else {
usbi_dbg("detected operation aborted");
status = LIBUSB_TRANSFER_CANCELLED;
}
break;
---
Reply to this email directly or view it on GitHub:
https://github.com/libusbx/libusbx/issues/160#issuecomment-29013239
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