333 	size_t tsz;  in read_kcore_iter()  local
374 		tsz = min_t(size_t, buflen, sizeof(struct elfhdr) - *fpos);  in read_kcore_iter()
375 		if (copy_to_iter((char *)&ehdr + *fpos, tsz, iter) != tsz) {  in read_kcore_iter()
380 		buflen -= tsz;  in read_kcore_iter()
381 		*fpos += tsz;  in read_kcore_iter()
415 		tsz = min_t(size_t, buflen, phdrs_offset + phdrs_len - *fpos);  in read_kcore_iter()
416 		if (copy_to_iter((char *)phdrs + *fpos - phdrs_offset, tsz,  in read_kcore_iter()
417 				 iter) != tsz) {  in read_kcore_iter()
424 		buflen -= tsz;  in read_kcore_iter()
425 		*fpos += tsz;  in read_kcore_iter()
464 		tsz = min_t(size_t, buflen, notes_offset + notes_len - *fpos);  in read_kcore_iter()
465 		if (copy_to_iter(notes + *fpos - notes_offset, tsz, iter) != tsz) {  in read_kcore_iter()
472 		buflen -= tsz;  in read_kcore_iter()
473 		*fpos += tsz;  in read_kcore_iter()
481 	if ((tsz = (PAGE_SIZE - (start & ~PAGE_MASK))) > buflen)  in read_kcore_iter()
482 		tsz = buflen;  in read_kcore_iter()
515 			if (iov_iter_zero(tsz, iter) != tsz) {  in read_kcore_iter()
526 			size_t read = 0, left = tsz;  in read_kcore_iter()
535 				if (read == tsz)  in read_kcore_iter()
550 			if (copy_to_iter((char *)start, tsz, iter) != tsz) {  in read_kcore_iter()
567 				if (iov_iter_zero(tsz, iter) != tsz) {  in read_kcore_iter()
580 					if (iov_iter_zero(tsz, iter) != tsz)  in read_kcore_iter()
594 			ret = copy_from_kernel_nofault(buf, __start, tsz);  in read_kcore_iter()
598 				if (iov_iter_zero(tsz, iter) != tsz) {  in read_kcore_iter()
606 			} else if (_copy_to_iter(buf, tsz, iter) != tsz) {  in read_kcore_iter()
613 			if (iov_iter_zero(tsz, iter) != tsz) {  in read_kcore_iter()
619 		buflen -= tsz;  in read_kcore_iter()
620 		*fpos += tsz;  in read_kcore_iter()
621 		start += tsz;  in read_kcore_iter()
622 		tsz = (buflen > PAGE_SIZE ? PAGE_SIZE : buflen);  in read_kcore_iter()