mtd: nand: don't walk past end of oobfree[]

[karo-tx-linux.git] / drivers / mtd / nand / nand_base.c

diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 3d7ed432fa4157ec9d655c3354c4c1edc699ebc8..8c21b89d2d0c2a7ea79eccf0d9c840771c68a58a 100644 (file)
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -2756,7 +2756,8 @@ int nand_scan_tail(struct mtd_info *mtd)
         * the out of band area
         */
        chip->ecc.layout->oobavail = 0;
-       for (i = 0; chip->ecc.layout->oobfree[i].length; i++)
+       for (i = 0; chip->ecc.layout->oobfree[i].length
+                       && i < ARRAY_SIZE(chip->ecc.layout->oobfree); i++)
                chip->ecc.layout->oobavail +=
                        chip->ecc.layout->oobfree[i].length;
        mtd->oobavail = chip->ecc.layout->oobavail;