diff --git a/[refs] b/[refs]
index 1fe15d6e6142..617e8416308b 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 23add7455c42eef63f8719bd268328047d4aed69
+refs/heads/master: 73789a3d9fd8e500e121c1d4a5a2b16dd748ab5f
diff --git a/trunk/drivers/mtd/ubi/cdev.c b/trunk/drivers/mtd/ubi/cdev.c
index 0cdaf9fba7b0..3e3449ec07f0 100644
--- a/trunk/drivers/mtd/ubi/cdev.c
+++ b/trunk/drivers/mtd/ubi/cdev.c
@@ -437,7 +437,8 @@ static int vol_cdev_ioctl(struct inode *inode, struct file *file,
 			break;
 		}
 
-		rsvd_bytes = vol->reserved_pebs * (ubi->leb_size-vol->data_pad);
+		rsvd_bytes = (long long)vol->reserved_pebs *
+					ubi->leb_size-vol->data_pad;
 		if (bytes < 0 || bytes > rsvd_bytes) {
 			err = -EINVAL;
 			break;