diff mbox

mtd: nandsim: fix integer widening

Message ID 1405994864-19532-1-git-send-email-computersforpeace@gmail.com
State Accepted
Commit b033e1aac9afd314add799b6cd2a5489f892757f
Headers show

Commit Message

Brian Norris July 22, 2014, 2:07 a.m. UTC 
This multiplication should be done in 64-bit, not 32-bit.

Caught by Coverity.

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
---
 drivers/mtd/nand/nandsim.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox

Patch

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;