From 5f0163a5ee9cc7c59751768bdfd94a73186debba Mon Sep 17 00:00:00 2001
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Thu, 5 Feb 2015 11:48:26 +0100
Subject: [PATCH] driver core: Delete an unnecessary check before the function
 call "put_device"

The put_device() 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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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