From 892393bb76110ab936b98e79fef2299c13df5d96 Mon Sep 17 00:00:00 2001
From: Nikolay Sivov <nsivov@codeweavers.com>
Date: Wed, 22 Feb 2017 12:14:50 +0300
Subject: [PATCH] usp10: Filter out DeltaFormat == 0 too, valid range is [1,
 3].

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Aric Stewart <aric@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
---
 dlls/usp10/opentype.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/usp10/opentype.c b/dlls/usp10/opentype.c
index a1ad3dca729..4f3b5592505 100644
--- a/dlls/usp10/opentype.c
+++ b/dlls/usp10/opentype.c
@@ -1512,7 +1512,7 @@ static INT GPOS_get_device_table_value(const OT_DeviceTable *DeviceTable, WORD p
 
         TRACE("device table, format %#x, index %i\n", format, index);
 
-        if (format & ~0x3)
+        if (format < 1 || format > 3)
         {
             WARN("invalid delta format %#x\n", format);
             return 0;