319 	size_t tsz;  in read_kcore()  local
359 		tsz = min_t(size_t, buflen, sizeof(struct elfhdr) - *fpos);  in read_kcore()
360 		if (copy_to_user(buffer, (char *)&ehdr + *fpos, tsz)) {  in read_kcore()
365 		buffer += tsz;  in read_kcore()
366 		buflen -= tsz;  in read_kcore()
367 		*fpos += tsz;  in read_kcore()
401 		tsz = min_t(size_t, buflen, phdrs_offset + phdrs_len - *fpos);  in read_kcore()
403 				 tsz)) {  in read_kcore()
410 		buffer += tsz;  in read_kcore()
411 		buflen -= tsz;  in read_kcore()
412 		*fpos += tsz;  in read_kcore()
451 		tsz = min_t(size_t, buflen, notes_offset + notes_len - *fpos);  in read_kcore()
452 		if (copy_to_user(buffer, notes + *fpos - notes_offset, tsz)) {  in read_kcore()
459 		buffer += tsz;  in read_kcore()
460 		buflen -= tsz;  in read_kcore()
461 		*fpos += tsz;  in read_kcore()
469 	if ((tsz = (PAGE_SIZE - (start & ~PAGE_MASK))) > buflen)  in read_kcore()
470 		tsz = buflen;  in read_kcore()
501 			if (clear_user(buffer, tsz)) {  in read_kcore()
510 			vread(buf, (char *)start, tsz);  in read_kcore()
512 			if (copy_to_user(buffer, buf, tsz)) {  in read_kcore()
519 			if (copy_to_user(buffer, (char *)start, tsz)) {  in read_kcore()
535 				if (clear_user(buffer, tsz)) {  in read_kcore()
550 						tsz)) {  in read_kcore()
551 					if (clear_user(buffer, tsz)) {  in read_kcore()
556 					if (copy_to_user(buffer, buf, tsz)) {  in read_kcore()
562 				if (clear_user(buffer, tsz)) {  in read_kcore()
570 			if (clear_user(buffer, tsz)) {  in read_kcore()
576 		buflen -= tsz;  in read_kcore()
577 		*fpos += tsz;  in read_kcore()
578 		buffer += tsz;  in read_kcore()
579 		start += tsz;  in read_kcore()
580 		tsz = (buflen > PAGE_SIZE ? PAGE_SIZE : buflen);  in read_kcore()