diff options
Diffstat (limited to 'drivers/mtd/onenand/onenand_base.c')
| -rw-r--r-- | drivers/mtd/onenand/onenand_base.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c index 6df309b89e9..553b24d9333 100644 --- a/drivers/mtd/onenand/onenand_base.c +++ b/drivers/mtd/onenand/onenand_base.c @@ -1186,6 +1186,13 @@ static int onenand_do_write_oob(struct mtd_info *mtd, loff_t to, size_t len, return -EINVAL; } + /* For compatibility with NAND: Do not allow write past end of page */ + if (column + len > oobsize) { + DEBUG(MTD_DEBUG_LEVEL0, "onenand_write_oob: " + "Attempt to write past end of page\n"); + return -EINVAL; + } + /* Do not allow reads past end of device */ if (unlikely(to >= mtd->size || column + len > ((mtd->size >> this->page_shift) - |