Nikolay Sivov : usp10: Filter out DeltaFormat == 0 too, valid range is [1, 3].

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 892393bb76110ab936b98e79fef2299c13df5d96
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=892393bb76110ab936b98e79fe...

Author: Nikolay Sivov <nsivov(a)codeweavers.com>
Date:   Wed Feb 22 12:14:50 2017 +0300

usp10: Filter out DeltaFormat == 0 too, valid range is [1, 3].

Signed-off-by: Nikolay Sivov <nsivov(a)codeweavers.com>
Signed-off-by: Aric Stewart <aric(a)codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard(a)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 a1ad3dc..4f3b559 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;