From 2c5da008f7a8a1772e6c41a371c41c8fd2eb2950 Mon Sep 17 00:00:00 2001
From: Hans Leidekker <hans@codeweavers.com>
Date: Wed, 25 Jul 2012 13:12:42 +0200
Subject: [PATCH] wbemprox: Fix corner cases in IEnumWbemClassObject::Skip.

---
 dlls/wbemprox/class.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/dlls/wbemprox/class.c b/dlls/wbemprox/class.c
index 5bd9c1c076d..af7d8f5fc60 100644
--- a/dlls/wbemprox/class.c
+++ b/dlls/wbemprox/class.c
@@ -167,7 +167,9 @@ static HRESULT WINAPI enum_class_object_Skip(
 
     if (lTimeout != WBEM_INFINITE) FIXME("timeout not supported\n");
 
-    if (ec->index + nCount >= view->count)
+    if (!view->count) return WBEM_S_FALSE;
+
+    if (nCount > view->count - ec->index)
     {
         ec->index = view->count - 1;
         return WBEM_S_FALSE;