diff options
Diffstat (limited to 'libusb/os/darwin_usb.c')
| -rw-r--r-- | libusb/os/darwin_usb.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/libusb/os/darwin_usb.c b/libusb/os/darwin_usb.c index ecf5d58..574b7bb 100644 --- a/libusb/os/darwin_usb.c +++ b/libusb/os/darwin_usb.c @@ -2278,15 +2278,17 @@ static int darwin_abort_transfers (struct usbi_transfer *itransfer) { /* abort transactions */ #if InterfaceVersion >= 550 if (LIBUSB_TRANSFER_TYPE_BULK_STREAM == transfer->type) - (*(cInterface->interface))->AbortStreamsPipe (cInterface->interface, pipeRef, itransfer->stream_id); + kresult = (*(cInterface->interface))->AbortStreamsPipe (cInterface->interface, pipeRef, itransfer->stream_id); else #endif - (*(cInterface->interface))->AbortPipe (cInterface->interface, pipeRef); + kresult = (*(cInterface->interface))->AbortPipe (cInterface->interface, pipeRef); - usbi_dbg (ctx, "calling clear pipe stall to clear the data toggle bit"); - - /* newer versions of darwin support clearing additional bits on the device's endpoint */ +#if InterfaceVersion <= 245 + /* with older releases of IOUSBFamily the OS always clears the host side data toggle. for + consistency also clear the data toggle on the device. */ + usbi_dbg (ctx, "calling ClearPipeStallBothEnds to clear the data toggle bit"); kresult = (*(cInterface->interface))->ClearPipeStallBothEnds(cInterface->interface, pipeRef); +#endif return darwin_to_libusb (kresult); } |