862 				if (STps->drv_file >= 0)  in flush_buffer()
863 					STps->drv_file++;  in flush_buffer()
870 		if (STps->drv_file >= 0)  in flush_buffer()
871 			STps->drv_file++;  in flush_buffer()
944 		STps->drv_file = -1;  in reset_state()
1080 			STps->drv_file = 0;  in check_tape()
1096 			STp->ps[0].drv_file = STp->ps[0].drv_block = (-1);  in check_tape()
1400 			if (STps->drv_file >= 0)  in st_flush()
1401 				STps->drv_file++;  in st_flush()
1425 					if (STps->drv_file >= 0)  in st_flush()
1426 						STps->drv_file++;  in st_flush()
1435 			if (STps->drv_file >= 0)  in st_flush()
1436 				STps->drv_file++;  in st_flush()
1663 		   STps->drv_file == 0 && STps->drv_block == 0) {  in st_write()
2211 			if (STps->drv_file >= 0)  in st_read()
2212 				STps->drv_file++;  in st_read()
2216 			if (STps->drv_file >= 0)  in st_read()
2217 				STps->drv_file++;  in st_read()
2664 		STps->drv_file = STps->drv_block = (-1);  in do_load_unload()
2716 	fileno = STps->drv_file;  in st_int_ioctl()
2860 			fileno = STps->drv_file;  in st_int_ioctl()
2967 		STps->drv_file = fileno;  in st_int_ioctl()
3027 			STps->drv_file = fileno;  in st_int_ioctl()
3030 				STps->drv_file = fileno - undone;  in st_int_ioctl()
3032 				STps->drv_file = fileno;  in st_int_ioctl()
3038 			if (STps->drv_file >= 0)  in st_int_ioctl()
3039 				STps->drv_file = fileno + undone;  in st_int_ioctl()
3044 				if (STps->drv_file >= 0)  in st_int_ioctl()
3045 					STps->drv_file++;  in st_int_ioctl()
3057 				STps->drv_file--;  in st_int_ioctl()
3067 			STps->drv_file = (-1);  in st_int_ioctl()
3146 				STp->ps[0].drv_block = STp->ps[0].drv_file = 0;  in get_location()
3229 	STps->drv_block = STps->drv_file = (-1);  in set_location()
3249 			STps->drv_block = STps->drv_file = 0;  in set_location()
3569 					if (STps->drv_file >= 0)  in st_ioctl()
3570 						STps->drv_file += 1;  in st_ioctl()
3573 					if (STps->drv_file >= 0)  in st_ioctl()
3574 						STps->drv_file += 1;  in st_ioctl()
3686 			STps->drv_block = STps->drv_file = 0;  in st_ioctl()
3754 		mt_status.mt_fileno = STps->drv_file;  in st_ioctl()
4360 		STps->drv_file = (-1);  in st_probe()