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>

diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index 3330ea0..f63b1db 100644 (file)
--- 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;
        }