461 			stp->buffer->syscall_result = -EINTR;  in st_allocate_request()
463 			stp->buffer->syscall_result = -EBUSY;  in st_allocate_request()
549 			(STp->buffer)->syscall_result = (-EINTR);  in st_do_scsi()
551 			(STp->buffer)->syscall_result = (-EBUSY);  in st_do_scsi()
584 	STp->buffer->syscall_result = 0;  in st_do_scsi()
590 		(STp->buffer)->syscall_result = (-EBUSY);  in st_do_scsi()
595 		(STp->buffer)->syscall_result = st_chk_result(STp, SRpnt);  in st_do_scsi()
630 	(STp->buffer)->syscall_result = st_chk_result(STp, SRpnt);  in write_behind_check()
643 	if (STbuffer->syscall_result) {  in write_behind_check()
691 		return (STp->buffer)->syscall_result;  in cross_eof()
701 	return (STp->buffer)->syscall_result;  in cross_eof()
736 			return (STp->buffer)->syscall_result;  in st_flush_write_buffer()
739 		if ((STp->buffer)->syscall_result != 0) {  in st_flush_write_buffer()
928 			retval = (STp->buffer)->syscall_result;  in test_ready()
968 		retval = (STp->buffer)->syscall_result;  in test_ready()
1061 			retval = (STp->buffer)->syscall_result;  in check_tape()
1088 		retval = (STp->buffer)->syscall_result;  in check_tape()
1092 	if ((STp->buffer)->syscall_result != 0) {  in check_tape()
1095 		(STp->buffer)->syscall_result = 0;	/* Prevent error propagation */  in check_tape()
1245 	(STp->buffer)->syscall_result = 0;  in st_open()
1335 			result = (STp->buffer)->syscall_result;  in st_flush()
1339 		if (STp->buffer->syscall_result == 0 ||  in st_flush()
1724 			retval = STbp->syscall_result;  in st_write()
1727 		if (async_write && !STbp->syscall_result) {  in st_write()
1736 		if (STbp->syscall_result != 0) {  in st_write()
1802 				retval = STbp->syscall_result;  in st_write()
1896 		return STbp->syscall_result;  in read_tape()
1902 	if (STbp->syscall_result) {  in read_tape()
2015 			retval = STbp->syscall_result;  in read_tape()
2434 		return (STp->buffer)->syscall_result;  in read_mode_page()
2438 	return STp->buffer->syscall_result;  in read_mode_page()
2468 		return (STp->buffer)->syscall_result;  in write_mode_page()
2472 	return STp->buffer->syscall_result;  in write_mode_page()
2589 		return (STp->buffer)->syscall_result;  in do_load_unload()
2591 	retval = (STp->buffer)->syscall_result;  in do_load_unload()
2904 		return (STp->buffer)->syscall_result;  in st_int_ioctl()
2906 	ioctl_result = (STp->buffer)->syscall_result;  in st_int_ioctl()
3068 		return (STp->buffer)->syscall_result;  in get_location()
3070 	if ((STp->buffer)->syscall_result != 0 ||  in get_location()
3172 		return (STp->buffer)->syscall_result;  in set_location()
3176 	if ((STp->buffer)->syscall_result != 0) {  in set_location()