On Thu, Jan 31, 2013 at 09:21:42AM +0100, Jan Luebbe wrote:
> Previously, during a multi-page write, chip->oob_poi would not be
> reinitialized.
>
> See commit f722013ee9fd24623df31dec9a91a6d02c3e2f2f in the kernel
> for an analogous change.
>
> Signed-off-by: Jan Luebbe <[email protected]>
Applied, thanks
Sascha
> ---
> drivers/mtd/nand/nand_write.c | 10 +++++-----
> 1 file changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/mtd/nand/nand_write.c b/drivers/mtd/nand/nand_write.c
> index 9997127..276728c 100644
> --- a/drivers/mtd/nand/nand_write.c
> +++ b/drivers/mtd/nand/nand_write.c
> @@ -296,10 +296,6 @@ int nand_do_write_ops(struct mtd_info *mtd, loff_t to,
> (chip->pagebuf << chip->page_shift) < (to + ops->len))
> chip->pagebuf = -1;
>
> - /* Initialize to all 0xFF, to avoid the possibility of
> - left over OOB data from a previous OOB read. */
> - memset(chip->oob_poi, 0xff, mtd->oobsize);
> -
> while(1) {
> int bytes = mtd->writesize;
> int cached = writelen > bytes && page != blockmask;
> @@ -315,8 +311,12 @@ int nand_do_write_ops(struct mtd_info *mtd, loff_t to,
> wbuf = chip->buffers->databuf;
> }
>
> - if (unlikely(oob))
> + if (unlikely(oob)) {
> oob = nand_fill_oob(chip, oob, ops);
> + } else {
> + /* We still need to erase leftover OOB data */
> + memset(chip->oob_poi, 0xff, mtd->oobsize);
> + }
>
> ret = chip->write_page(mtd, chip, wbuf, page, cached,
> (ops->mode == MTD_OOB_RAW));
> --
> 1.7.10.4
>
>
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