When trying async transfer with my FT2232 sync FIFO gadget, I had to apply
appended patch. Probably transfer->status is only set when the transfer is
complete or otherwise aborted.
Does the patch look resonable?
--
Uwe Bonnes bon@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Institut fuer Kernphysik Schlossgartenstrasse 9 64289 Darmstadt
--------- Tel. 06151 162516 -------- Fax. 06151 164321 ----------
diff --git a/src/ftdi.c b/src/ftdi.c
index 22e746d..f1d3fa5 100644
--- a/src/ftdi.c
+++ b/src/ftdi.c
@@ -1437,8 +1437,9 @@ int ftdi_transfer_data_done(struct ftdi_transfer_control
*tc)
return ret;
}
}
-
- if (tc->transfer->status == LIBUSB_TRANSFER_COMPLETED)
+ if (tc->transfer == 0)
+ return 0;
+ else if (tc->transfer->status == LIBUSB_TRANSFER_COMPLETED)
ret = tc->offset;
else
ret = -1;
--
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