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Commit 4ccb3b44 authored by David Woodhouse's avatar David Woodhouse
Browse files

mtd: nand: Fix integer overflow in ONFI detection of chips >= 4GiB 



Signed-off-by: default avatarDavid Woodhouse <David.Woodhouse@intel.com>
parent 01039e4e

drivers/mtd/nand/nand_base.c

+1 −1
Original line number Diff line number Diff line
@@ -2894,7 +2894,7 @@ static int nand_flash_detect_onfi(struct mtd_info *mtd, struct nand_chip *chip, 
	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;