From dde8e3ee6b37fa33690604302bebfe7b576c3802 Mon Sep 17 00:00:00 2001
From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Date: Fri, 25 Oct 2013 17:30:24 +0800
Subject: [PATCH] powerpc/mv643xx_eth: fix return check in
 mv64x60_eth_register_shared_pdev()

In case of error, the function platform_device_register_simple() returns
RR_PTR() and never returns NULL. The NULL test in the return value check
should be replaced with IS_ERR().

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Scott Wood <scottwood@freescale.com>
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