| Message ID | 1465214354-31493-3-git-send-email-boris.brezillon@free-electrons.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/drivers/mtd/nand/sunxi_nand.c b/drivers/mtd/nand/sunxi_nand.c index 4f5b4ad..252cbbf 100644 --- a/drivers/mtd/nand/sunxi_nand.c +++ b/drivers/mtd/nand/sunxi_nand.c @@ -1784,6 +1784,9 @@ static int sunxi_nand_hw_common_ecc_ctrl_init(struct mtd_info *mtd, if (!data) return -ENOMEM; + if (ecc->size != 512 && ecc->size != 1024) + return -EINVAL; + /* Prefer 1k ECC chunk over 512 ones */ if (ecc->size == 512 && mtd->writesize > 512) { ecc->size = 1024;
Verify that the ecc->size value is either 512 or 1024 bytes. This should always be the case if this field was assigned to the nand->ecc_step_size_ds value, but can be wrong when the user overloaded this value with the nand-ecc-step-size DT property. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> --- drivers/mtd/nand/sunxi_nand.c | 3 +++ 1 file changed, 3 insertions(+)