865 				if (STps->drv_file >= 0)  in flush_buffer()
866 					STps->drv_file++;  in flush_buffer()
873 		if (STps->drv_file >= 0)  in flush_buffer()
874 			STps->drv_file++;  in flush_buffer()
947 		STps->drv_file = -1;  in reset_state()
1083 			STps->drv_file = 0;  in check_tape()
1099 			STp->ps[0].drv_file = STp->ps[0].drv_block = (-1);  in check_tape()
1403 			if (STps->drv_file >= 0)  in st_flush()
1404 				STps->drv_file++;  in st_flush()
1428 					if (STps->drv_file >= 0)  in st_flush()
1429 						STps->drv_file++;  in st_flush()
1438 			if (STps->drv_file >= 0)  in st_flush()
1439 				STps->drv_file++;  in st_flush()
1665 		   STps->drv_file == 0 && STps->drv_block == 0) {  in st_write()
2213 			if (STps->drv_file >= 0)  in st_read()
2214 				STps->drv_file++;  in st_read()
2218 			if (STps->drv_file >= 0)  in st_read()
2219 				STps->drv_file++;  in st_read()
2666 		STps->drv_file = STps->drv_block = (-1);  in do_load_unload()
2717 	fileno = STps->drv_file;  in st_int_ioctl()
2862 			fileno = STps->drv_file;  in st_int_ioctl()
2969 		STps->drv_file = fileno;  in st_int_ioctl()
3029 			STps->drv_file = fileno;  in st_int_ioctl()
3032 				STps->drv_file = fileno - undone;  in st_int_ioctl()
3034 				STps->drv_file = fileno;  in st_int_ioctl()
3040 			if (STps->drv_file >= 0)  in st_int_ioctl()
3041 				STps->drv_file = fileno + undone;  in st_int_ioctl()
3046 				if (STps->drv_file >= 0)  in st_int_ioctl()
3047 					STps->drv_file++;  in st_int_ioctl()
3059 				STps->drv_file--;  in st_int_ioctl()
3069 			STps->drv_file = (-1);  in st_int_ioctl()
3148 				STp->ps[0].drv_block = STp->ps[0].drv_file = 0;  in get_location()
3231 	STps->drv_block = STps->drv_file = (-1);  in set_location()
3251 			STps->drv_block = STps->drv_file = 0;  in set_location()
3571 					if (STps->drv_file >= 0)  in st_ioctl()
3572 						STps->drv_file += 1;  in st_ioctl()
3575 					if (STps->drv_file >= 0)  in st_ioctl()
3576 						STps->drv_file += 1;  in st_ioctl()
3688 			STps->drv_block = STps->drv_file = 0;  in st_ioctl()
3756 		mt_status.mt_fileno = STps->drv_file;  in st_ioctl()
4335 		STps->drv_file = (-1);  in st_probe()