NAND: Fix integer overflow in ONFI detection of chips >= 4GiB
[people/ms/u-boot.git] / drivers / mtd / nand / nand_base.c
index fa286a8..3cb92c1 100644 (file)
@@ -2482,7 +2482,7 @@ static int nand_flash_detect_onfi(struct mtd_info *mtd,
        mtd->writesize = le32_to_cpu(p->byte_per_page);
        mtd->erasesize = le32_to_cpu(p->pages_per_block) * mtd->writesize;
        mtd->oobsize = le16_to_cpu(p->spare_bytes_per_page);
-       chip->chipsize = le32_to_cpu(p->blocks_per_lun) * mtd->erasesize;
+       chip->chipsize = (uint64_t)le32_to_cpu(p->blocks_per_lun) * mtd->erasesize;
        *busw = 0;
        if (le16_to_cpu(p->features) & 1)
                *busw = NAND_BUSWIDTH_16;