received_fcs      214 drivers/tty/n_gsm.c 	u8 received_fcs;
received_fcs     1757 drivers/tty/n_gsm.c 		gsm->fcs = gsm_fcs_add(gsm->fcs, gsm->received_fcs);
received_fcs     1916 drivers/tty/n_gsm.c 		gsm->received_fcs = c;