riched20: Avoid invalid memory access.

7d06f6cc · Jactry Zeng · Alexandre Julliard · e777e9d1 · 7d06f6cc
Commit 7d06f6cc authored Sep 15, 2014 by Jactry Zeng Committed by Alexandre Julliard Sep 15, 2014
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Showing with 5 additions and 2 deletions

richole.c dlls/riched20/richole.c +5 -2

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--- a/dlls/riched20/richole.c
+++ b/dlls/riched20/richole.c
@@ -492,8 +492,11 @@ static ULONG WINAPI ITextRange_fnRelease(ITextRange *me)
    TRACE ("%p ref=%u\n", This, ref);
    if (ref == 0)
    {
-        This->reOle = NULL;
-        list_remove(&This->entry);
+        if (This->reOle)
+        {
+            list_remove(&This->entry);
+            This->reOle = NULL;
+        }
        heap_free(This);
    }
    return ref;