From 4521ec84593b9c9a6e76154d4f5a8a44486b1e2f Mon Sep 17 00:00:00 2001
From: salilra <salil.ra@gmail.com>
Date: Sat, 13 Feb 2021 09:13:28 -0800
Subject: [PATCH] Check MidiJack::m_jackAudio before using (#5907)

---
 src/core/midi/MidiJack.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/core/midi/MidiJack.cpp b/src/core/midi/MidiJack.cpp
index bd1e651113c..3dbd9a5639d 100644
--- a/src/core/midi/MidiJack.cpp
+++ b/src/core/midi/MidiJack.cpp
@@ -118,8 +118,10 @@ MidiJack::~MidiJack()
 {
 	if(jackClient())
 	{
-		// remove ourselves first (atomically), so we will not get called again
-		m_jackAudio->removeMidiClient();
+		if (m_jackAudio) {
+			// remove ourselves first (atomically), so we will not get called again
+			m_jackAudio->removeMidiClient();
+		}
 
 		if( jack_port_unregister( jackClient(), m_input_port) != 0){
 			printf("Failed to unregister jack midi input\n");