From: SF Markus Elfring <redacted>
Date: Thu, 02 Jul 2015 18:08:19 +0200

From: Markus Elfring <redacted>
Date: Thu, 2 Jul 2015 17:58:21 +0200

The module_put() 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 <redacted>

Applied.