From: Florian Fainelli <florian@openwrt.org>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 1/2] NAND: Fix integer overflow in ONFI detection of chips >= 4GiB
Date: Sun, 3 Apr 2011 18:23:52 +0200 [thread overview]
Message-ID: <201104031823.53020.florian@openwrt.org> (raw)
From: Florian Fainelli <florian@openwrt.org>
This patch sync with David's patch on Linux in nand_flash_detect_onfi()
commit 4ccb3b4497ce01fab4933704fe21581e30fda1a5
Author: David Woodhouse <David.Woodhouse@intel.com>
Date: Fri Dec 3 16:36:34 2010 +0000
mtd: nand: Fix integer overflow in ONFI detection of chips >= 4GiB
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Florian Fainelli <florian@openwrt.org>
---
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index fa286a8..3cb92c1 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -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;
--
1.7.1
next reply other threads:[~2011-04-03 16:23 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-03 16:23 Florian Fainelli [this message]
2011-04-04 18:21 ` [U-Boot] [PATCH 1/2] NAND: Fix integer overflow in ONFI detection of chips >= 4GiB Scott Wood
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