mtd: OneNAND: Fix test of unsigned in onenand_otp_walk()

mtd->writesize and len are unsigned so the test does not work.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index 3330ea06917c..f63b1db3ffb3 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -3165,10 +3165,10 @@ static int onenand_otp_walk(struct mtd_info *mtd, loff_t from, size_t len,
 
         /* Check User/Factory boundary */
         if (mode == MTD_OTP_USER) {
-                if (((mtd->writesize * otp_pages) - (from + len)) < 0)
+                if (mtd->writesize * otp_pages < from + len)
                         return 0;
         } else {
-                if (((mtd->writesize * otp_pages) - len) < 0)
+                if (mtd->writesize * otp_pages <  len)
                         return 0;
         }