From 2fcf34cdc43a7ef546887448f49c4cfa084ba935 Mon Sep 17 00:00:00 2001
From: Vitaly Novichkov <admin@wohlnet.ru>
Date: Thu, 21 Jun 2018 08:04:31 +0300
Subject: MIDI Sequencer: Small clean-up

---
 src/adlmidi.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'src/adlmidi.cpp')

diff --git a/src/adlmidi.cpp b/src/adlmidi.cpp
index 69755d3..efd716c 100644
--- a/src/adlmidi.cpp
+++ b/src/adlmidi.cpp
@@ -517,7 +517,10 @@ ADLMIDI_EXPORT int adl_switchEmulator(struct ADL_MIDIPlayer *device, int emulato
     if(device)
     {
         MIDIplay *play = reinterpret_cast<MIDIplay *>(device->adl_midiPlayer);
-        if(play && (emulator >= 0) && (emulator < ADLMIDI_EMU_end))
+        assert(play);
+        if(!play)
+            return -1;
+        if((emulator >= 0) && (emulator < ADLMIDI_EMU_end))
         {
             play->m_setup.emulator = emulator;
             adl_reset(device);
-- 
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