Nikolay Sivov : dwrite: Fail stream creation on file mapping failure.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 1c7a1f8f27c1669f4f30193fe96ba424d69a466a
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=1c7a1f8f27c1669f4f30193fe9...

Author: Nikolay Sivov <nsivov(a)codeweavers.com>
Date:   Fri Aug 26 13:47:17 2016 +0300

dwrite: Fail stream creation on file mapping failure.

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

---

 dlls/dwrite/font.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/dlls/dwrite/font.c b/dlls/dwrite/font.c
index cc82c26..e529d6f 100644
--- a/dlls/dwrite/font.c
+++ b/dlls/dwrite/font.c
@@ -4501,6 +4501,10 @@ static HRESULT WINAPI localfontfileloader_CreateStreamFromKey(IDWriteLocalFontFi
 
     file_ptr = MapViewOfFile(mapping, FILE_MAP_READ, 0, 0, 0);
     CloseHandle(mapping);
+    if (!file_ptr) {
+        ERR("mapping failed, file size %s, error %d\n", wine_dbgstr_longlong(size.QuadPart), GetLastError());
+        return E_FAIL;
+    }
 
     stream = heap_alloc(sizeof(*stream));
     if (!stream) {