dwrite: Fail stream creation on file mapping failure.

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

dwrite: Fail stream creation on file mapping failure.
1c7a1f8f · Nikolay Sivov · Alexandre Julliard · 392e0c9c · 1c7a1f8f
Commit 1c7a1f8f authored Aug 26, 2016 by Nikolay Sivov Committed by Alexandre Julliard Aug 26, 2016
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font.c dlls/dwrite/font.c +4 -0

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--- 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) {