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    Subject[09/91] mtd: mtdconcat: fix NAND OOB write
    2.6.32-longterm review patch.  If anyone has any objections, please let us know.

    ------------------

    From: Felix Radensky <felix@embedded-sol.com>

    commit 431e1ecabddcd7cbba237182ddf431771f98bb4c upstream.

    Currently mtdconcat is broken for NAND. An attemtpt to create
    JFFS2 filesystem on concatenation of several NAND devices fails
    with OOB write errors. This patch fixes that problem.

    Signed-off-by: Felix Radensky <felix@embedded-sol.com>
    Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
    Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

    ---
    drivers/mtd/mtdconcat.c | 4 ++--
    1 file changed, 2 insertions(+), 2 deletions(-)

    --- a/drivers/mtd/mtdconcat.c
    +++ b/drivers/mtd/mtdconcat.c
    @@ -306,7 +306,7 @@ concat_write_oob(struct mtd_info *mtd, l
    if (!(mtd->flags & MTD_WRITEABLE))
    return -EROFS;

    - ops->retlen = 0;
    + ops->retlen = ops->oobretlen = 0;

    for (i = 0; i < concat->num_subdev; i++) {
    struct mtd_info *subdev = concat->subdev[i];
    @@ -321,7 +321,7 @@ concat_write_oob(struct mtd_info *mtd, l
    devops.len = subdev->size - to;

    err = subdev->write_oob(subdev, to, &devops);
    - ops->retlen += devops.retlen;
    + ops->retlen += devops.oobretlen;
    if (err)
    return err;




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