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mtd: nand: omap: fix ecclayout->oobfree->length

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This patch excludes reserved-marker byte-position from oobfree->length
calculation. Thus all bytes from oobfree->offset till end of OOB are free.

CC: <stable@vger.kernel.org> # 3.13.x+
Signed-off-by: Pekon Gupta <pekon@ti.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
This commit is contained in:
Pekon Gupta 2014-02-17 13:11:25 +05:30 committed by Brian Norris
parent aa6092f983
commit bb38eefb68
1 changed files with 2 additions and 3 deletions
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5
drivers/mtd/nand/omap2.c
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@ -1994,9 +1994,8 @@ static int omap_nand_probe(struct platform_device *pdev)
goto return_error;
}
/* populate remaining ECC layout data */
ecclayout->oobfree->length = mtd->oobsize - (BADBLOCK_MARKER_LENGTH +
ecclayout->eccbytes);
/* all OOB bytes from oobfree->offset till end off OOB are free */
ecclayout->oobfree->length = mtd->oobsize - ecclayout->oobfree->offset;
/* check if NAND device's OOB is enough to store ECC signatures */
if (mtd->oobsize < (ecclayout->eccbytes + BADBLOCK_MARKER_LENGTH)) {
pr_err("not enough OOB bytes required = %d, available=%d\n",