Fake the libusb transfer timed out message if we force cancel it with our own async functions.
diff --git a/usbutils.c b/usbutils.c
index 67a611f..119592c 100644
--- a/usbutils.c
+++ b/usbutils.c
@@ -2242,9 +2242,11 @@ static int callback_wait(struct usb_transfer *ut, int *transferred, unsigned int
if (ret) {
libusb_cancel_transfer(ut->transfer);
pthread_cond_wait(&ut->cond, &ut->mutex);
- }
+ /* Fake the timed out message since it's effectively that */
+ ret = LIBUSB_TRANSFER_TIMED_OUT;
+ } else
+ ret = ut->transfer->status;
/* No need to sort out mutexes here since they won't be reused */
- ret = ut->transfer->status;
*transferred = ut->transfer->actual_length;
libusb_free_transfer(ut->transfer);