From: Brijesh Singh <brijesh.s.singh@gmail.com>
Date: Thu, 5 Jul 2007 09:37:35 +0000 (+0530)
Subject: UBI: fix signed-unsigned multiplication
X-Git-Tag: v2.6.23-rc1~495^2~8
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=2f176f79877937082ce052977e552a75e23a73d1;p=linux-2.6-omap-h63xx.git

UBI: fix signed-unsigned multiplication

There is signed multiplication assigned to unsigned ei.addr in io.c.
This causes wrong addresses for big multiplication.This patch solves the
problem.

Signed-off-by: Brijesh Singh <brijesh.s.singh@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
---

diff --git a/drivers/mtd/ubi/io.c b/drivers/mtd/ubi/io.c
index 20e297ad7f6..81008ab5d79 100644
--- a/drivers/mtd/ubi/io.c
+++ b/drivers/mtd/ubi/io.c
@@ -298,7 +298,7 @@ retry:
 	memset(&ei, 0, sizeof(struct erase_info));
 
 	ei.mtd      = ubi->mtd;
-	ei.addr     = pnum * ubi->peb_size;
+	ei.addr     = (loff_t)pnum * ubi->peb_size;
 	ei.len      = ubi->peb_size;
 	ei.callback = erase_callback;
 	ei.priv     = (unsigned long)&wq;