297 	size_t tsz;  in read_kcore()  local
332 		tsz = min_t(size_t, buflen, sizeof(struct elfhdr) - *fpos);  in read_kcore()
333 		if (copy_to_user(buffer, (char *)&ehdr + *fpos, tsz)) {  in read_kcore()
338 		buffer += tsz;  in read_kcore()
339 		buflen -= tsz;  in read_kcore()
340 		*fpos += tsz;  in read_kcore()
377 		tsz = min_t(size_t, buflen, phdrs_offset + phdrs_len - *fpos);  in read_kcore()
379 				 tsz)) {  in read_kcore()
386 		buffer += tsz;  in read_kcore()
387 		buflen -= tsz;  in read_kcore()
388 		*fpos += tsz;  in read_kcore()
427 		tsz = min_t(size_t, buflen, notes_offset + notes_len - *fpos);  in read_kcore()
428 		if (copy_to_user(buffer, notes + *fpos - notes_offset, tsz)) {  in read_kcore()
435 		buffer += tsz;  in read_kcore()
436 		buflen -= tsz;  in read_kcore()
437 		*fpos += tsz;  in read_kcore()
445 	if ((tsz = (PAGE_SIZE - (start & ~PAGE_MASK))) > buflen)  in read_kcore()
446 		tsz = buflen;  in read_kcore()
463 			if (clear_user(buffer, tsz)) {  in read_kcore()
469 			vread(buf, (char *)start, tsz);  in read_kcore()
471 			if (copy_to_user(buffer, buf, tsz)) {  in read_kcore()
477 			if (copy_to_user(buffer, (char *)start, tsz)) {  in read_kcore()
487 				if (probe_kernel_read(buf, (void *) start, tsz)) {  in read_kcore()
488 					if (clear_user(buffer, tsz)) {  in read_kcore()
493 					if (copy_to_user(buffer, buf, tsz)) {  in read_kcore()
499 				if (clear_user(buffer, tsz)) {  in read_kcore()
505 		buflen -= tsz;  in read_kcore()
506 		*fpos += tsz;  in read_kcore()
507 		buffer += tsz;  in read_kcore()
508 		start += tsz;  in read_kcore()
509 		tsz = (buflen > PAGE_SIZE ? PAGE_SIZE : buflen);  in read_kcore()