60 	int err = 0;  in write_eraseblock()  local
73 		err = mtd_write_oob(mtd, addr, &ops);  in write_eraseblock()
74 		if (err || ops.oobretlen != use_len) {  in write_eraseblock()
80 			return err ? err : -1;  in write_eraseblock()
86 	return err;  in write_eraseblock()
91 	int err;  in write_whole_device()  local
98 		err = write_eraseblock(i);  in write_whole_device()
99 		if (err)  in write_whole_device()
100 			return err;  in write_whole_device()
104 		err = mtdtest_relax();  in write_whole_device()
105 		if (err)  in write_whole_device()
106 			return err;  in write_whole_device()
169 	int err = 0;  in verify_eraseblock()  local
183 		err = mtd_read_oob(mtd, addr, &ops);  in verify_eraseblock()
184 		if (mtd_is_bitflip(err))  in verify_eraseblock()
185 			err = 0;  in verify_eraseblock()
187 		if (err || ops.oobretlen != use_len) {  in verify_eraseblock()
191 			return err ? err : -1;  in verify_eraseblock()
220 			err = mtd_read_oob(mtd, addr, &ops);  in verify_eraseblock()
221 			if (mtd_is_bitflip(err))  in verify_eraseblock()
222 				err = 0;  in verify_eraseblock()
224 			if (err || ops.oobretlen != mtd->oobavail) {  in verify_eraseblock()
228 				return err ? err : -1;  in verify_eraseblock()
258 	return err;  in verify_eraseblock()
264 	int err = 0;  in verify_eraseblock_in_one_go()  local
282 	err = mtd_read_oob(mtd, addr, &ops);  in verify_eraseblock_in_one_go()
283 	if (mtd_is_bitflip(err))  in verify_eraseblock_in_one_go()
284 		err = 0;  in verify_eraseblock_in_one_go()
286 	if (err || ops.oobretlen != len) {  in verify_eraseblock_in_one_go()
290 		return err ? err : -1;  in verify_eraseblock_in_one_go()
310 	return err;  in verify_eraseblock_in_one_go()
315 	int err;  in verify_all_eraseblocks()  local
322 		err = verify_eraseblock(i);  in verify_all_eraseblocks()
323 		if (err)  in verify_all_eraseblocks()
324 			return err;  in verify_all_eraseblocks()
328 		err = mtdtest_relax();  in verify_all_eraseblocks()
329 		if (err)  in verify_all_eraseblocks()
330 			return err;  in verify_all_eraseblocks()
338 	int err = 0;  in mtd_oobtest_init()  local
357 		err = PTR_ERR(mtd);  in mtd_oobtest_init()
359 		return err;  in mtd_oobtest_init()
378 	err = -ENOMEM;  in mtd_oobtest_init()
389 	err = mtdtest_scan_for_bad_eraseblocks(mtd, bbt, 0, ebcnt);  in mtd_oobtest_init()
390 	if (err)  in mtd_oobtest_init()
401 	err = mtdtest_erase_good_eraseblocks(mtd, bbt, 0, ebcnt);  in mtd_oobtest_init()
402 	if (err)  in mtd_oobtest_init()
406 	err = write_whole_device();  in mtd_oobtest_init()
407 	if (err)  in mtd_oobtest_init()
411 	err = verify_all_eraseblocks();  in mtd_oobtest_init()
412 	if (err)  in mtd_oobtest_init()
421 	err = mtdtest_erase_good_eraseblocks(mtd, bbt, 0, ebcnt);  in mtd_oobtest_init()
422 	if (err)  in mtd_oobtest_init()
426 	err = write_whole_device();  in mtd_oobtest_init()
427 	if (err)  in mtd_oobtest_init()
436 		err = verify_eraseblock_in_one_go(i);  in mtd_oobtest_init()
437 		if (err)  in mtd_oobtest_init()
442 		err = mtdtest_relax();  in mtd_oobtest_init()
443 		if (err)  in mtd_oobtest_init()
454 	err = mtdtest_erase_good_eraseblocks(mtd, bbt, 0, ebcnt);  in mtd_oobtest_init()
455 	if (err)  in mtd_oobtest_init()
465 	err = write_whole_device();  in mtd_oobtest_init()
466 	if (err)  in mtd_oobtest_init()
475 	err = verify_all_eraseblocks();  in mtd_oobtest_init()
476 	if (err)  in mtd_oobtest_init()
487 	err = mtdtest_erase_good_eraseblocks(mtd, bbt, 0, ebcnt);  in mtd_oobtest_init()
488 	if (err)  in mtd_oobtest_init()
506 	err = mtd_write_oob(mtd, addr0, &ops);  in mtd_oobtest_init()
507 	if (err) {  in mtd_oobtest_init()
525 	err = mtd_read_oob(mtd, addr0, &ops);  in mtd_oobtest_init()
526 	if (mtd_is_bitflip(err))  in mtd_oobtest_init()
527 		err = 0;  in mtd_oobtest_init()
529 	if (err) {  in mtd_oobtest_init()
551 		err = mtd_write_oob(mtd, mtd->size - mtd->writesize, &ops);  in mtd_oobtest_init()
552 		if (err) {  in mtd_oobtest_init()
570 		err = mtd_read_oob(mtd, mtd->size - mtd->writesize, &ops);  in mtd_oobtest_init()
571 		if (mtd_is_bitflip(err))  in mtd_oobtest_init()
572 			err = 0;  in mtd_oobtest_init()
574 		if (err) {  in mtd_oobtest_init()
581 		err = mtdtest_erase_eraseblock(mtd, ebcnt - 1);  in mtd_oobtest_init()
582 		if (err)  in mtd_oobtest_init()
596 		err = mtd_write_oob(mtd, mtd->size - mtd->writesize, &ops);  in mtd_oobtest_init()
597 		if (err) {  in mtd_oobtest_init()
615 		err = mtd_read_oob(mtd, mtd->size - mtd->writesize, &ops);  in mtd_oobtest_init()
616 		if (mtd_is_bitflip(err))  in mtd_oobtest_init()
617 			err = 0;  in mtd_oobtest_init()
619 		if (err) {  in mtd_oobtest_init()
631 	err = mtdtest_erase_good_eraseblocks(mtd, bbt, 0, ebcnt);  in mtd_oobtest_init()
632 	if (err)  in mtd_oobtest_init()
655 			err = mtd_write_oob(mtd, addr, &ops);  in mtd_oobtest_init()
656 			if (err)  in mtd_oobtest_init()
661 			err = mtdtest_relax();  in mtd_oobtest_init()
662 			if (err)  in mtd_oobtest_init()
686 		err = mtd_read_oob(mtd, addr, &ops);  in mtd_oobtest_init()
687 		if (mtd_is_bitflip(err))  in mtd_oobtest_init()
688 			err = 0;  in mtd_oobtest_init()
690 		if (err)  in mtd_oobtest_init()
698 				err = -EINVAL;  in mtd_oobtest_init()
706 		err = mtdtest_relax();  in mtd_oobtest_init()
707 		if (err)  in mtd_oobtest_init()
718 	if (err)  in mtd_oobtest_init()
719 		pr_info("error %d occurred\n", err);  in mtd_oobtest_init()
721 	return err;  in mtd_oobtest_init()