UBI: fix 64-bit calculations

Signed-off-by: Bruce Leonard <brucle@selinc.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
git-mirror · Jul 24, 2008 · 73789a3 · 73789a3
1 parent 23add74
commit 73789a3
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/drivers/mtd/ubi/cdev.c b/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;