[tfaber] 74497: [USER32] - Avoid a memory leak in User32EnumWindows in case the window count is zero. CORE-13194

Author: tfaber
Date: Mon May  8 08:29:17 2017
New Revision: 74497

URL: http://svn.reactos.org/svn/reactos?rev=74497&view=rev
Log:
[USER32]
- Avoid a memory leak in User32EnumWindows in case the window count is zero.
CORE-13194

Modified:
    trunk/reactos/win32ss/user/user32/windows/window.c

Modified: trunk/reactos/win32ss/user/user32/windows/window.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/user/user32/windows...
==============================================================================
--- trunk/reactos/win32ss/user/user32/windows/window.c	[iso-8859-1] (original)
+++ trunk/reactos/win32ss/user/user32/windows/window.c	[iso-8859-1] Mon May  8 08:29:17 2017
@@ -674,6 +674,14 @@
     if (!NT_SUCCESS(Status))
         return FALSE;

+    if (!dwCount)
+    {
+       if (!dwThreadId)
+          return FALSE;
+       else
+          return TRUE;
+    }
+
     /* allocate buffer to receive HWND handles */
     hHeap = GetProcessHeap();
     pHwnd = HeapAlloc(hHeap, 0, sizeof(HWND)*(dwCount+1));
@@ -696,14 +704,6 @@
         if (pHwnd)
             HeapFree(hHeap, 0, pHwnd);
         return FALSE;
-    }
-
-    if (!dwCount)
-    {
-       if (!dwThreadId)
-          return FALSE;
-       else
-          return TRUE;
     }

/* call the user's callback function until we're done or