msvfw32: Avoid possible dereference of NULL pointer (Coverity).

602e6753 · Andrew Talbot · Alexandre Julliard · cbb85daa · 602e6753
Commit 602e6753 authored Feb 02, 2008 by Andrew Talbot Committed by Alexandre Julliard Feb 07, 2008
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drawdib.c dlls/msvfw32/drawdib.c +2 -0

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--- a/dlls/msvfw32/drawdib.c
+++ b/dlls/msvfw32/drawdib.c
@@ -133,6 +133,8 @@ BOOL VFWAPI DrawDibEnd(HDRAWDIB hdd)

    TRACE("(%p)\n", hdd);

+    if (!whdd) return FALSE;
+
    whdd->hpal = 0; /* Do not free this */
    whdd->hdc = 0;
    HeapFree(GetProcessHeap(), 0, whdd->lpbi);