dwrite: Handle QI failure (Coverity).

4a1e6227 · Nikolay Sivov · Alexandre Julliard · 3ffe6ab0 · 4a1e6227
Commit 4a1e6227 authored Aug 22, 2015 by Nikolay Sivov Committed by Alexandre Julliard Aug 24, 2015
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font.c dlls/dwrite/font.c +6 -1

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--- a/dlls/dwrite/font.c
+++ b/dlls/dwrite/font.c
@@ -3597,8 +3597,13 @@ static void glyphrunanalysis_render(struct dwrite_glyphrunanalysis *analysis, DW
    BOOL is_rtl, nohint;
    FLOAT origin_x;
    UINT32 i, size;
+    HRESULT hr;

-    IDWriteFontFace_QueryInterface(analysis->run.fontFace, &IID_IDWriteFontFace2, (void**)&fontface2);
+    hr = IDWriteFontFace_QueryInterface(analysis->run.fontFace, &IID_IDWriteFontFace2, (void**)&fontface2);
+    if (FAILED(hr)) {
+        WARN("failed to get IDWriteFontFace2, 0x%08x\n", hr);
+        return;
+    }

    nohint = analysis->rendering_mode == DWRITE_RENDERING_MODE_NATURAL || analysis->rendering_mode == DWRITE_RENDERING_MODE_NATURAL_SYMMETRIC;