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-rw-r--r--drivers/mtd/onenand/onenand_base.c7
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) -