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 --- drivers/mtd/nand/omap2.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c index 58685ab..bf642ce 100644 --- a/drivers/mtd/nand/omap2.c +++ b/drivers/mtd/nand/omap2.c @@ -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",