319 	size_t tsz;  in read_kcore_iter()  local
360 		tsz = min_t(size_t, buflen, sizeof(struct elfhdr) - *fpos);  in read_kcore_iter()
361 		if (copy_to_iter((char *)&ehdr + *fpos, tsz, iter) != tsz) {  in read_kcore_iter()
366 		buflen -= tsz;  in read_kcore_iter()
367 		*fpos += tsz;  in read_kcore_iter()
401 		tsz = min_t(size_t, buflen, phdrs_offset + phdrs_len - *fpos);  in read_kcore_iter()
402 		if (copy_to_iter((char *)phdrs + *fpos - phdrs_offset, tsz,  in read_kcore_iter()
403 				 iter) != tsz) {  in read_kcore_iter()
410 		buflen -= tsz;  in read_kcore_iter()
411 		*fpos += tsz;  in read_kcore_iter()
450 		tsz = min_t(size_t, buflen, notes_offset + notes_len - *fpos);  in read_kcore_iter()
451 		if (copy_to_iter(notes + *fpos - notes_offset, tsz, iter) != tsz) {  in read_kcore_iter()
458 		buflen -= tsz;  in read_kcore_iter()
459 		*fpos += tsz;  in read_kcore_iter()
467 	if ((tsz = (PAGE_SIZE - (start & ~PAGE_MASK))) > buflen)  in read_kcore_iter()
468 		tsz = buflen;  in read_kcore_iter()
499 			if (iov_iter_zero(tsz, iter) != tsz) {  in read_kcore_iter()
510 			size_t read = 0, left = tsz;  in read_kcore_iter()
519 				if (read == tsz)  in read_kcore_iter()
534 			if (copy_to_iter((char *)start, tsz, iter) != tsz) {  in read_kcore_iter()
550 				if (iov_iter_zero(tsz, iter) != tsz) {  in read_kcore_iter()
565 			if (copy_from_kernel_nofault(buf, (void *)start, tsz)) {  in read_kcore_iter()
566 				if (iov_iter_zero(tsz, iter) != tsz) {  in read_kcore_iter()
574 			} else if (_copy_to_iter(buf, tsz, iter) != tsz) {  in read_kcore_iter()
581 			if (iov_iter_zero(tsz, iter) != tsz) {  in read_kcore_iter()
587 		buflen -= tsz;  in read_kcore_iter()
588 		*fpos += tsz;  in read_kcore_iter()
589 		start += tsz;  in read_kcore_iter()
590 		tsz = (buflen > PAGE_SIZE ? PAGE_SIZE : buflen);  in read_kcore_iter()