861 				if (STps->drv_file >= 0)  in flush_buffer()
862 					STps->drv_file++;  in flush_buffer()
869 		if (STps->drv_file >= 0)  in flush_buffer()
870 			STps->drv_file++;  in flush_buffer()
943 		STps->drv_file = -1;  in reset_state()
1079 			STps->drv_file = 0;  in check_tape()
1095 			STp->ps[0].drv_file = STp->ps[0].drv_block = (-1);  in check_tape()
1399 			if (STps->drv_file >= 0)  in st_flush()
1400 				STps->drv_file++;  in st_flush()
1424 					if (STps->drv_file >= 0)  in st_flush()
1425 						STps->drv_file++;  in st_flush()
1434 			if (STps->drv_file >= 0)  in st_flush()
1435 				STps->drv_file++;  in st_flush()
1661 		   STps->drv_file == 0 && STps->drv_block == 0) {  in st_write()
2209 			if (STps->drv_file >= 0)  in st_read()
2210 				STps->drv_file++;  in st_read()
2214 			if (STps->drv_file >= 0)  in st_read()
2215 				STps->drv_file++;  in st_read()
2662 		STps->drv_file = STps->drv_block = (-1);  in do_load_unload()
2713 	fileno = STps->drv_file;  in st_int_ioctl()
2858 			fileno = STps->drv_file;  in st_int_ioctl()
2965 		STps->drv_file = fileno;  in st_int_ioctl()
3025 			STps->drv_file = fileno;  in st_int_ioctl()
3028 				STps->drv_file = fileno - undone;  in st_int_ioctl()
3030 				STps->drv_file = fileno;  in st_int_ioctl()
3036 			if (STps->drv_file >= 0)  in st_int_ioctl()
3037 				STps->drv_file = fileno + undone;  in st_int_ioctl()
3042 				if (STps->drv_file >= 0)  in st_int_ioctl()
3043 					STps->drv_file++;  in st_int_ioctl()
3055 				STps->drv_file--;  in st_int_ioctl()
3065 			STps->drv_file = (-1);  in st_int_ioctl()
3144 				STp->ps[0].drv_block = STp->ps[0].drv_file = 0;  in get_location()
3227 	STps->drv_block = STps->drv_file = (-1);  in set_location()
3247 			STps->drv_block = STps->drv_file = 0;  in set_location()
3567 					if (STps->drv_file >= 0)  in st_ioctl()
3568 						STps->drv_file += 1;  in st_ioctl()
3571 					if (STps->drv_file >= 0)  in st_ioctl()
3572 						STps->drv_file += 1;  in st_ioctl()
3684 			STps->drv_block = STps->drv_file = 0;  in st_ioctl()
3752 		mt_status.mt_fileno = STps->drv_file;  in st_ioctl()
4333 		STps->drv_file = (-1);  in st_probe()