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-rw-r--r--drivers/mtd/nand/raw/sunxi_nand.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/mtd/nand/raw/sunxi_nand.c b/drivers/mtd/nand/raw/sunxi_nand.c
index e673ac46f2e8..3c32d31f20aa 100644
--- a/drivers/mtd/nand/raw/sunxi_nand.c
+++ b/drivers/mtd/nand/raw/sunxi_nand.c
@@ -1604,6 +1604,13 @@ static int sunxi_nand_ooblayout_free(struct mtd_info *mtd, int section,
return 0;
}
+ /*
+ * The controller does not provide access to OOB bytes
+ * past the end of the ECC data.
+ */
+ if (section == ecc->steps && ecc->engine_type == NAND_ECC_ENGINE_TYPE_ON_HOST)
+ return -ERANGE;
+
oobregion->offset = section * (ecc->bytes + 4);
if (section < ecc->steps)