174 	int res, ret = 0, i, j, act = 0;  in read_bbt()  local
198 		res = mtd_read(mtd, from, len, &retlen, buf);  in read_bbt()
199 		if (res < 0) {  in read_bbt()
200 			if (mtd_is_eccerr(res)) {  in read_bbt()
203 				return res;  in read_bbt()
204 			} else if (mtd_is_bitflip(res)) {  in read_bbt()
207 				ret = res;  in read_bbt()
210 				return res;  in read_bbt()
267 	int res = 0, i;  in read_abs_bbt()  local
273 				res = read_bbt(mtd, buf, td->pages[i],  in read_abs_bbt()
276 			if (res)  in read_abs_bbt()
277 				return res;  in read_abs_bbt()
281 		res = read_bbt(mtd, buf, td->pages[0],  in read_abs_bbt()
283 		if (res)  in read_abs_bbt()
284 			return res;  in read_abs_bbt()
318 	int res, ret = 0;  in scan_read_oob()  local
329 		res = mtd_read_oob(mtd, offs, &ops);  in scan_read_oob()
330 		if (res) {  in scan_read_oob()
331 			if (!mtd_is_bitflip_or_eccerr(res))  in scan_read_oob()
332 				return res;  in scan_read_oob()
333 			else if (mtd_is_eccerr(res) || !ret)  in scan_read_oob()
334 				ret = res;  in scan_read_oob()
623 	int i, res, chip = 0;  in write_bbt()  local
722 			res = mtd_read(mtd, to, len, &retlen, buf);  in write_bbt()
723 			if (res < 0) {  in write_bbt()
726 					return res;  in write_bbt()
733 			res = mtd_read_oob(mtd, to + mtd->writesize, &ops);  in write_bbt()
734 			if (res < 0 || ops.oobretlen != ops.ooblen)  in write_bbt()
789 		res = nand_erase_nand(mtd, &einfo, 1);  in write_bbt()
790 		if (res < 0)  in write_bbt()
793 		res = scan_write_bbt(mtd, to, len, buf,  in write_bbt()
796 		if (res < 0)  in write_bbt()
808 	pr_warn("nand_bbt: error while writing bad block table %d\n", res);  in write_bbt()
809 	return res;  in write_bbt()
840 	int i, chips, writeops, create, chipsel, res, res2;  in check_create()  local
857 		res = res2 = 0;  in check_create()
907 			res = read_abs_bbt(mtd, buf, rd, chipsel);  in check_create()
908 			if (mtd_is_eccerr(res)) {  in check_create()
929 		if (mtd_is_bitflip(res) || mtd_is_bitflip(res2))  in check_create()
940 			res = write_bbt(mtd, buf, td, md, chipsel);  in check_create()
941 			if (res < 0)  in check_create()
942 				return res;  in check_create()
947 			res = write_bbt(mtd, buf, md, td, chipsel);  in check_create()
948 			if (res < 0)  in check_create()
949 				return res;  in check_create()
1078 	int len, res;  in nand_scan_bbt()  local
1097 		if ((res = nand_memory_bbt(mtd, bd))) {  in nand_scan_bbt()
1111 		res = -ENOMEM;  in nand_scan_bbt()
1123 	res = check_create(mtd, buf, bd);  in nand_scan_bbt()
1124 	if (res)  in nand_scan_bbt()
1138 	return res;  in nand_scan_bbt()
1151 	int len, res = 0;  in nand_update_bbt()  local
1182 		res = write_bbt(mtd, buf, td, md, chipsel);  in nand_update_bbt()
1183 		if (res < 0)  in nand_update_bbt()
1188 		res = write_bbt(mtd, buf, md, td, chipsel);  in nand_update_bbt()
1193 	return res;  in nand_update_bbt()
1336 	int block, res;  in nand_isbad_bbt()  local
1339 	res = bbt_get_entry(this, block);  in nand_isbad_bbt()
1342 		 (unsigned int)offs, block, res);  in nand_isbad_bbt()
1344 	switch (res) {  in nand_isbad_bbt()