[sginsberg] 41143: - IntEmptyClipboardData: Check before freeing a potential null pointer

Author: sginsberg
Date: Wed May 27 20:39:24 2009
New Revision: 41143

URL: http://svn.reactos.org/svn/reactos?rev=41143&view=rev
Log:
- IntEmptyClipboardData: Check before freeing a potential null pointer

Modified:
    trunk/reactos/subsystems/win32/win32k/ntuser/clipboard.c

Modified: trunk/reactos/subsystems/win32/win32k/ntuser/clipboard.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/nt…
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/ntuser/clipboard.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/win32/win32k/ntuser/clipboard.c [iso-8859-1] Wed May 27
20:39:24 2009
@@ -229,7 +229,10 @@
     while(ce)
     {
         tmp = ce->next;
-        ExFreePool(ce->hData);
+		if (ce->hData)
+		{
+            ExFreePool(ce->hData);
+        }
 	    ExFreePool(ce);
 	    ce = tmp;
     }