From: Brian Norris <computersforpeace@gmail.com>
Date: Tue, 22 Jul 2014 02:07:44 +0000 (-0700)
Subject: mtd: nandsim: fix integer widening
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b033e1aac9afd314add799b6cd2a5489f892757f;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

mtd: nandsim: fix integer widening

This multiplication should be done in 64-bit, not 32-bit.

Caught by Coverity.

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
---

diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c
index 4f0d83648e5a..7dc1dd28d896 100644
--- a/drivers/mtd/nand/nandsim.c
+++ b/drivers/mtd/nand/nandsim.c
@@ -827,7 +827,7 @@ static int parse_badblocks(struct nandsim *ns, struct mtd_info *mtd)
 			NS_ERR("invalid badblocks.\n");
 			return -EINVAL;
 		}
-		offset = erase_block_no * ns->geom.secsz;
+		offset = (loff_t)erase_block_no * ns->geom.secsz;
 		if (mtd_block_markbad(mtd, offset)) {
 			NS_ERR("invalid badblocks.\n");
 			return -EINVAL;