From 0a032a4df6dc4a82bcd1c401e57ee71825d30c14 Mon Sep 17 00:00:00 2001
From: Roel Kluin <roel.kluin@gmail.com>
Date: Wed, 16 Dec 2009 01:37:17 +0100
Subject: 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>
---
 drivers/mtd/onenand/onenand_base.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'drivers/mtd')

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