Nikolay Sivov : dwrite: Be prepared for 0 face_id passed to face requester.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: e0e937e19a12d6f488644dfaf8bb2c25e5cd54cc
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=e0e937e19a12d6f488644dfaf8bb2c25e5cd54cc

Author: Nikolay Sivov <nsivov at codeweavers.com>
Date:   Wed May 18 10:11:39 2016 +0300

dwrite: Be prepared for 0 face_id passed to face requester.

Signed-off-by: Nikolay Sivov <nsivov at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/dwrite/freetype.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/dlls/dwrite/freetype.c b/dlls/dwrite/freetype.c
index d8afa69..b6d785f 100644
--- a/dlls/dwrite/freetype.c
+++ b/dlls/dwrite/freetype.c
@@ -107,6 +107,11 @@ static FT_Error face_requester(FTC_FaceID face_id, FT_Library library, FT_Pointe
 
     *face = NULL;
 
+    if (!fontface) {
+        WARN("NULL fontface requested.\n");
+        return FT_Err_Ok;
+    }
+
     count = 1;
     hr = IDWriteFontFace_GetFiles(fontface, &count, &file);
     if (FAILED(hr))