CDC_NCM_COMM_ALTSETTING_NCM 1028 drivers/net/usb/cdc_ncm.c return CDC_NCM_COMM_ALTSETTING_NCM; CDC_NCM_COMM_ALTSETTING_NCM 1035 drivers/net/usb/cdc_ncm.c if (cdc_ncm_select_altsetting(intf) != CDC_NCM_COMM_ALTSETTING_NCM)