[PATCH] comdlg32: Avoid infinite recursion in FILEDLG95_LOOKIN_InsertItemAfterParent.

[Lei Zhang]

Hi,

If FILEDLG95_LOOKIN_InsertItemAfterParent() receives pidl = NULL, then
it will recurse infinitely.
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From 98040c0814a92d18c2102d82f5342e1a8a957f68 Mon Sep 17 00:00:00 2001
From: Lei Zhang <thestig at google.com>
Date: Wed, 3 Dec 2008 17:04:08 -0800
Subject: [PATCH] comdlg32: Avoid infinite recursion in FILEDLG95_LOOKIN_InsertItemAfterParent.

---
 dlls/comdlg32/filedlg.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/dlls/comdlg32/filedlg.c b/dlls/comdlg32/filedlg.c
index e1eedd1..a80a101 100644
--- a/dlls/comdlg32/filedlg.c
+++ b/dlls/comdlg32/filedlg.c
@@ -2894,6 +2894,9 @@ static int FILEDLG95_LOOKIN_InsertItemAfterParent(HWND hwnd,LPITEMIDLIST pidl)
 
   TRACE("\n");
 
+  if (!pidl)
+    return -1;
+
   iParentPos = FILEDLG95_LOOKIN_SearchItem(hwnd,(WPARAM)pidlParent,SEARCH_PIDL);
 
   if(iParentPos < 0)
-- 
1.5.4.5