Allow for NULL cur_offs values when the caller does not know where the NAND page register pointer point to. Signed-off-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxxxxxxx> --- drivers/mtd/nand/sunxi_nand.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/mtd/nand/sunxi_nand.c b/drivers/mtd/nand/sunxi_nand.c index 7b3ae72..07c3af7 100644 --- a/drivers/mtd/nand/sunxi_nand.c +++ b/drivers/mtd/nand/sunxi_nand.c @@ -957,7 +957,7 @@ static void sunxi_nfc_hw_ecc_read_extra_oob(struct mtd_info *mtd, if (len <= 0) return; - if (*cur_off != offset) + if (!cur_off || *cur_off != offset) nand->cmdfunc(mtd, NAND_CMD_RNDOUT, offset + mtd->writesize, -1); @@ -967,7 +967,8 @@ static void sunxi_nfc_hw_ecc_read_extra_oob(struct mtd_info *mtd, sunxi_nfc_randomizer_read_buf(mtd, oob + offset, len, false, page); - *cur_off = mtd->oobsize + mtd->writesize; + if (cur_off) + *cur_off = mtd->oobsize + mtd->writesize; } static int sunxi_nfc_hw_ecc_write_chunk(struct mtd_info *mtd, @@ -1022,13 +1023,14 @@ static void sunxi_nfc_hw_ecc_write_extra_oob(struct mtd_info *mtd, if (len <= 0) return; - if (*cur_off != offset) + if (!cur_off || *cur_off != offset) nand->cmdfunc(mtd, NAND_CMD_RNDIN, offset + mtd->writesize, -1); sunxi_nfc_randomizer_write_buf(mtd, oob + offset, len, false, page); - *cur_off = mtd->oobsize + mtd->writesize; + if (cur_off) + *cur_off = mtd->oobsize + mtd->writesize; } static int sunxi_nfc_hw_ecc_read_page(struct mtd_info *mtd, -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html