From a9507ca3fb90987db5c6cc385885782cb05d4967 Mon Sep 17 00:00:00 2001
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Mon, 1 Dec 2014 06:06:57 +0100
Subject: [PATCH] dmaenegine: Delete a check before free_percpu()

The free_percpu() function tests whether its argument is NULL and then
returns immediately. Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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