From b76c0e95ab0f535e210df588b8ac42dd75b31c75 Mon Sep 17 00:00:00 2001
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Sat, 3 Jan 2015 21:02:32 +0100
Subject: [PATCH] ALSA: sb: Delete an unnecessary check before the function
 call "snd_emux_free"

The snd_emux_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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