From b172e0aae6d14baf646a36052d03b301535f4ef5 Mon Sep 17 00:00:00 2001
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Sat, 3 Jan 2015 18:28:21 +0100
Subject: [PATCH] ALSA: emux: Delete an unnecessary check before the function
 call "snd_sf_free"

The snd_sf_free() 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: Takashi Iwai <tiwai@suse.de>
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