fs/jffs2/scan.c

450 	uint32_t hdr_crc, buf_ofs, buf_len;
500 				buf_len = c->wbuf_pagesize;
502 				buf_len = sizeof(*sm);
505 			err = jffs2_fill_scan_buf(c, buf + buf_size - buf_len,
506 						  jeb->offset + c->sector_size - buf_len,
507 						  buf_len);
526 					memcpy(sumptr + sumlen - buf_len, buf + buf_size - buf_len, buf_len);
528 				if (buf_len < sumlen) {
532 								  sumlen - buf_len);
562 		buf_len = c->sector_size;
564 		buf_len = EMPTY_SCAN_SIZE(c->sector_size);
565 		err = jffs2_fill_scan_buf(c, buf, buf_ofs, buf_len);
651 		if (buf_ofs + buf_len < ofs + sizeof(*node)) {
652 			buf_len = min_t(uint32_t, buf_size, jeb->offset + c->sector_size - ofs);
655 				  buf_len, ofs);
656 			err = jffs2_fill_scan_buf(c, buf, ofs, buf_len);
670 			scan_end = min_t(uint32_t, EMPTY_SCAN_SIZE(c->sector_size)/8, buf_len);
699 			if (!buf_size && (scan_end != buf_len)) {/* XIP/point case */
700 				scan_end = buf_len;
705 			buf_len = min_t(uint32_t, buf_size, jeb->offset + c->sector_size - ofs);
706 			if (!buf_len) {
714 			scan_end = buf_len;
716 				  buf_len, ofs);
717 			err = jffs2_fill_scan_buf(c, buf, ofs, buf_len);
801 			if (buf_ofs + buf_len < ofs + sizeof(struct jffs2_raw_inode)) {
802 				buf_len = min_t(uint32_t, buf_size, jeb->offset + c->sector_size - ofs);
805 					  buf_len, ofs);
806 				err = jffs2_fill_scan_buf(c, buf, ofs, buf_len);
818 			if (buf_ofs + buf_len < ofs + je32_to_cpu(node->totlen)) {
819 				buf_len = min_t(uint32_t, buf_size, jeb->offset + c->sector_size - ofs);
821 					  je32_to_cpu(node->totlen), buf_len,
823 				err = jffs2_fill_scan_buf(c, buf, ofs, buf_len);
836 			if (buf_ofs + buf_len < ofs + je32_to_cpu(node->totlen)) {
837 				buf_len = min_t(uint32_t, buf_size, jeb->offset + c->sector_size - ofs);
839 					  je32_to_cpu(node->totlen), buf_len,
841 				err = jffs2_fill_scan_buf(c, buf, ofs, buf_len);
853 			if (buf_ofs + buf_len < ofs + je32_to_cpu(node->totlen)) {
854 				buf_len = min_t(uint32_t, buf_size, jeb->offset + c->sector_size - ofs);
856 					  je32_to_cpu(node->totlen), buf_len,
858 				err = jffs2_fill_scan_buf(c, buf, ofs, buf_len);