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authorFlorian Fainelli <florian@openwrt.org>2011-04-03 18:23:52 +0200
committerScott Wood <scottwood@freescale.com>2011-04-15 15:53:11 -0500
commita931f49296fa2406abf3c21ea97697513571b7fb (patch)
treeb609be273a371995dc956a9c3c5f0b02658b61e3 /drivers
parent73e5476e1edf1b860dbd9b5fc21ef32ac1b551ba (diff)
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NAND: Fix integer overflow in ONFI detection of chips >= 4GiB
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/mtd/nand/nand_base.c2
1 files changed, 1 insertions, 1 deletions
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;