460 			stp->buffer->syscall_result = -EINTR;  in st_allocate_request()
462 			stp->buffer->syscall_result = -EBUSY;  in st_allocate_request()
603 			(STp->buffer)->syscall_result = (-EINTR);  in st_do_scsi()
605 			(STp->buffer)->syscall_result = (-EBUSY);  in st_do_scsi()
638 	STp->buffer->syscall_result = 0;  in st_do_scsi()
644 		(STp->buffer)->syscall_result = (-EBUSY);  in st_do_scsi()
649 		(STp->buffer)->syscall_result = st_chk_result(STp, SRpnt);  in st_do_scsi()
684 	(STp->buffer)->syscall_result = st_chk_result(STp, SRpnt);  in write_behind_check()
697 	if (STbuffer->syscall_result) {  in write_behind_check()
745 		return (STp->buffer)->syscall_result;  in cross_eof()
755 	return (STp->buffer)->syscall_result;  in cross_eof()
790 			return (STp->buffer)->syscall_result;  in st_flush_write_buffer()
793 		if ((STp->buffer)->syscall_result != 0) {  in st_flush_write_buffer()
982 			retval = (STp->buffer)->syscall_result;  in test_ready()
1022 		retval = (STp->buffer)->syscall_result;  in test_ready()
1115 			retval = (STp->buffer)->syscall_result;  in check_tape()
1142 		retval = (STp->buffer)->syscall_result;  in check_tape()
1146 	if ((STp->buffer)->syscall_result != 0) {  in check_tape()
1149 		(STp->buffer)->syscall_result = 0;	/* Prevent error propagation */  in check_tape()
1299 	(STp->buffer)->syscall_result = 0;  in st_open()
1389 			result = (STp->buffer)->syscall_result;  in st_flush()
1393 		if (STp->buffer->syscall_result == 0 ||  in st_flush()
1778 			retval = STbp->syscall_result;  in st_write()
1781 		if (async_write && !STbp->syscall_result) {  in st_write()
1790 		if (STbp->syscall_result != 0) {  in st_write()
1856 				retval = STbp->syscall_result;  in st_write()
1950 		return STbp->syscall_result;  in read_tape()
1956 	if (STbp->syscall_result) {  in read_tape()
2069 			retval = STbp->syscall_result;  in read_tape()
2488 		return (STp->buffer)->syscall_result;  in read_mode_page()
2492 	return STp->buffer->syscall_result;  in read_mode_page()
2522 		return (STp->buffer)->syscall_result;  in write_mode_page()
2526 	return STp->buffer->syscall_result;  in write_mode_page()
2643 		return (STp->buffer)->syscall_result;  in do_load_unload()
2645 	retval = (STp->buffer)->syscall_result;  in do_load_unload()
2958 		return (STp->buffer)->syscall_result;  in st_int_ioctl()
2960 	ioctl_result = (STp->buffer)->syscall_result;  in st_int_ioctl()
3122 		return (STp->buffer)->syscall_result;  in get_location()
3124 	if ((STp->buffer)->syscall_result != 0 ||  in get_location()
3226 		return (STp->buffer)->syscall_result;  in set_location()
3230 	if ((STp->buffer)->syscall_result != 0) {  in set_location()