From cc9ab60e57964d463ff31b9621c8d7e786aee042 Mon Sep 17 00:00:00 2001
From: Steffen Klassert <steffen.klassert@secunet.com>
Date: Wed, 19 Feb 2014 13:33:24 +0100
Subject: [PATCH] xfrm: Cleanup error handling of xfrm_state_clone

The error pointer passed to xfrm_state_clone() is unchecked,
so remove it and indicate an error by returning a null pointer.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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