From: Dmitry Maluka <D.Maluka@adbglobal.com>
Date: Fri, 11 May 2012 17:51:51 +0000 (+0300)
Subject: mtd: nand: fix scan_read_raw_oob
X-Git-Tag: firefly_0821_release~7541^2~1087
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=82a7795bc1860e5cfd4410f060b4dc5cbae41d1d;p=firefly-linux-kernel-4.4.55.git

mtd: nand: fix scan_read_raw_oob

commit 34a5704d91d6f8376a4c0a0143a1dd3eb3ccb37e upstream.

It seems there is a bug in scan_read_raw_oob() in nand_bbt.c which
should cause wrong functioning of NAND_BBT_SCANALLPAGES option.

Artem: the patch did not apply and I had to amend it a bit.

Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/mtd/nand/nand_bbt.c b/drivers/mtd/nand/nand_bbt.c
index ccbeaa1e4a8e..cc81cd67f873 100644
--- a/drivers/mtd/nand/nand_bbt.c
+++ b/drivers/mtd/nand/nand_bbt.c
@@ -360,6 +360,7 @@ static int scan_read_raw_oob(struct mtd_info *mtd, uint8_t *buf, loff_t offs,
 
 		buf += mtd->oobsize + mtd->writesize;
 		len -= mtd->writesize;
+		offs += mtd->writesize;
 	}
 	return 0;
 }