if (libusb_detach_kernel_driver(ftdi->usb_dev, ftdi->interface) !=0)
detach_errno = errno;
}
+ else if (ftdi->module_detach_mode == AUTO_DETACH_REATACH_SIO_MODULE)
+ {
+ if (libusb_set_auto_detach_kernel_driver(ftdi->usb_dev, 1) != LIBUSB_SUCCESS)
+ detach_errno = errno;
+ }
if (libusb_get_configuration (ftdi->usb_dev, &cfg) < 0)
ftdi_error_return(-12, "libusb_get_configuration () failed");
int ftdi_read_data(struct ftdi_context *ftdi, unsigned char *buf, int size)
{
int offset = 0, ret, i, num_of_chunks, chunk_remains;
- int packet_size = ftdi->max_packet_size;
+ int packet_size;
int actual_length = 1;
if (ftdi == NULL || ftdi->usb_dev == NULL)
ftdi_error_return(-666, "USB device unavailable");
// Packet size sanity check (avoid division by zero)
+ packet_size = ftdi->max_packet_size;
if (packet_size == 0)
ftdi_error_return(-1, "max_packet_size is bogus (zero)");