864 				if (STps->drv_file >= 0)  in flush_buffer()
865 					STps->drv_file++;  in flush_buffer()
872 		if (STps->drv_file >= 0)  in flush_buffer()
873 			STps->drv_file++;  in flush_buffer()
946 		STps->drv_file = -1;  in reset_state()
1082 			STps->drv_file = 0;  in check_tape()
1098 			STp->ps[0].drv_file = STp->ps[0].drv_block = (-1);  in check_tape()
1402 			if (STps->drv_file >= 0)  in st_flush()
1403 				STps->drv_file++;  in st_flush()
1427 					if (STps->drv_file >= 0)  in st_flush()
1428 						STps->drv_file++;  in st_flush()
1437 			if (STps->drv_file >= 0)  in st_flush()
1438 				STps->drv_file++;  in st_flush()
1665 		   STps->drv_file == 0 && STps->drv_block == 0) {  in st_write()
2210 			if (STps->drv_file >= 0)  in st_read()
2211 				STps->drv_file++;  in st_read()
2215 			if (STps->drv_file >= 0)  in st_read()
2216 				STps->drv_file++;  in st_read()
2663 		STps->drv_file = STps->drv_block = (-1);  in do_load_unload()
2715 	fileno = STps->drv_file;  in st_int_ioctl()
2859 			fileno = STps->drv_file;  in st_int_ioctl()
2966 		STps->drv_file = fileno;  in st_int_ioctl()
3026 			STps->drv_file = fileno;  in st_int_ioctl()
3029 				STps->drv_file = fileno - undone;  in st_int_ioctl()
3031 				STps->drv_file = fileno;  in st_int_ioctl()
3037 			if (STps->drv_file >= 0)  in st_int_ioctl()
3038 				STps->drv_file = fileno + undone;  in st_int_ioctl()
3043 				if (STps->drv_file >= 0)  in st_int_ioctl()
3044 					STps->drv_file++;  in st_int_ioctl()
3056 				STps->drv_file--;  in st_int_ioctl()
3066 			STps->drv_file = (-1);  in st_int_ioctl()
3145 				STp->ps[0].drv_block = STp->ps[0].drv_file = 0;  in get_location()
3228 	STps->drv_block = STps->drv_file = (-1);  in set_location()
3248 			STps->drv_block = STps->drv_file = 0;  in set_location()
3473 					if (STps->drv_file >= 0)  in st_ioctl()
3474 						STps->drv_file += 1;  in st_ioctl()
3477 					if (STps->drv_file >= 0)  in st_ioctl()
3478 						STps->drv_file += 1;  in st_ioctl()
3585 			STps->drv_block = STps->drv_file = 0;  in st_ioctl()
3653 		mt_status.mt_fileno = STps->drv_file;  in st_ioctl()
4259 		STps->drv_file = (-1);  in st_probe()