gdiplus: Check for null in GdipGetFontHeight.

Signed-off-by: Owen Rudge <orudge@codeweavers.com> Signed-off-by: Vincent Povirk <vincent@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

gdiplus: Check for null in GdipGetFontHeight.
36c9ac39 · Owen Rudge · Alexandre Julliard · 20920457 · 36c9ac39
Commit 36c9ac39 authored Mar 06, 2017 by Owen Rudge Committed by Alexandre Julliard Mar 08, 2017
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font.c dlls/gdiplus/font.c +2 -0

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--- a/dlls/gdiplus/font.c
+++ b/dlls/gdiplus/font.c
@@ -558,6 +558,8 @@ GpStatus WINGDIPAPI GdipGetFontHeight(GDIPCONST GpFont *font,

    TRACE("%p %p %p\n", font, graphics, height);

+    if (!font || !height) return InvalidParameter;
+
    stat = GdipGetFontHeightGivenDPI(font, font->family->dpi, &font_height);
    if (stat != Ok) return stat;