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>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/mtd/ubi/io.c b/drivers/mtd/ubi/io.c
index 20e297ad7f6b..81008ab5d793 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;