Add pointer check for NULL before dereference it.

Signed-off-by: sfu5
Reviewed-by: xdu2
Reviewed-by: ydong10


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12514 6f19259b-4bc3-4df7-8a09-765794883524

NetworkPkg/IpSecDxe/Ikev2/Utility.c

@@ -1,7 +1,7 @@
 /** @file
   The Common operations used by IKE Exchange Process.
 
-  Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.<BR>
 
   This program and the accompanying materials
   are licensed and made available under the terms and conditions of the BSD License
@@ -947,6 +947,7 @@ Ikev2ChildSaSilentDelete (
       //
       IsRemoteFound   = TRUE;
       RemoteSelector  = AllocateZeroPool (SelectorSize);
+      ASSERT (RemoteSelector != NULL);
       CopyMem (RemoteSelector, Selector, SelectorSize);
     }
 
@@ -957,6 +958,7 @@ Ikev2ChildSaSilentDelete (
       //
       IsLocalFound  = TRUE;
       LocalSelector = AllocateZeroPool (SelectorSize);
+      ASSERT (LocalSelector != NULL);
       CopyMem (LocalSelector, Selector, SelectorSize);
     }
   }