866 				if (STps->drv_file >= 0)  in flush_buffer()
867 					STps->drv_file++;  in flush_buffer()
874 		if (STps->drv_file >= 0)  in flush_buffer()
875 			STps->drv_file++;  in flush_buffer()
948 		STps->drv_file = -1;  in reset_state()
1084 			STps->drv_file = 0;  in check_tape()
1100 			STp->ps[0].drv_file = STp->ps[0].drv_block = (-1);  in check_tape()
1404 			if (STps->drv_file >= 0)  in st_flush()
1405 				STps->drv_file++;  in st_flush()
1429 					if (STps->drv_file >= 0)  in st_flush()
1430 						STps->drv_file++;  in st_flush()
1439 			if (STps->drv_file >= 0)  in st_flush()
1440 				STps->drv_file++;  in st_flush()
1666 		   STps->drv_file == 0 && STps->drv_block == 0) {  in st_write()
2214 			if (STps->drv_file >= 0)  in st_read()
2215 				STps->drv_file++;  in st_read()
2219 			if (STps->drv_file >= 0)  in st_read()
2220 				STps->drv_file++;  in st_read()
2667 		STps->drv_file = STps->drv_block = (-1);  in do_load_unload()
2718 	fileno = STps->drv_file;  in st_int_ioctl()
2864 			fileno = STps->drv_file;  in st_int_ioctl()
2971 		STps->drv_file = fileno;  in st_int_ioctl()
3031 			STps->drv_file = fileno;  in st_int_ioctl()
3034 				STps->drv_file = fileno - undone;  in st_int_ioctl()
3036 				STps->drv_file = fileno;  in st_int_ioctl()
3042 			if (STps->drv_file >= 0)  in st_int_ioctl()
3043 				STps->drv_file = fileno + undone;  in st_int_ioctl()
3048 				if (STps->drv_file >= 0)  in st_int_ioctl()
3049 					STps->drv_file++;  in st_int_ioctl()
3061 				STps->drv_file--;  in st_int_ioctl()
3071 			STps->drv_file = (-1);  in st_int_ioctl()
3150 				STp->ps[0].drv_block = STp->ps[0].drv_file = 0;  in get_location()
3233 	STps->drv_block = STps->drv_file = (-1);  in set_location()
3253 			STps->drv_block = STps->drv_file = 0;  in set_location()
3572 					if (STps->drv_file >= 0)  in st_ioctl_common()
3573 						STps->drv_file += 1;  in st_ioctl_common()
3576 					if (STps->drv_file >= 0)  in st_ioctl_common()
3577 						STps->drv_file += 1;  in st_ioctl_common()
3689 			STps->drv_block = STps->drv_file = 0;  in st_ioctl_common()
3757 		mt_status.mt_fileno = STps->drv_file;  in st_ioctl_common()
4385 		STps->drv_file = (-1);  in st_probe()