285     usb_disk_info_t *usb_info = (usb_disk_info_t *)chan->dev_priv;  in usb_disk_read()  local
287     if ((usb_info->uPort == -1) ||  in usb_disk_read()
288         (usb_info->uLunNum == -1) ||  in usb_disk_read()
289         (usb_info->DevId == -1) )  in usb_disk_read()
295     if (ms_bSCSI_Read_10(usb_info->uPort, usb_info->uLunNum, block_num,  in usb_disk_read()
301             usb_info->uPort, usb_info->uLunNum, block_num, len , (int)buf);  in usb_disk_read()
322     usb_disk_info_t *usb_info = (usb_disk_info_t *)chan->dev_priv;  in usb_disk_write()  local
324     if ((usb_info->uPort == -1) ||  in usb_disk_write()
325         (usb_info->uLunNum == -1) ||  in usb_disk_write()
326         (usb_info->DevId == -1) )  in usb_disk_write()
333 	if (ms_bSCSI_Write_10(usb_info->uPort, usb_info->uLunNum, block_num,  in usb_disk_write()
349     usb_disk_info_t *usb_info = (usb_disk_info_t *)chan->dev_priv;  in usb_disk_get_config()  local
352     if ((usb_info->uPort == -1) ||  in usb_disk_get_config()
353         (usb_info->uLunNum == -1) ||  in usb_disk_get_config()
354         (usb_info->DevId == -1) )  in usb_disk_get_config()
363             LunDevice = Mass_stor_us[usb_info->uPort]->msc_device;  in usb_disk_get_config()
364             xbuf = &LunDevice[usb_info->uLunNum].bWriteProtect;  in usb_disk_get_config()