Check MidiJack::m_jackAudio before using (LMMS#5907)

sdasda7777 · Feb 13, 2021 · 4521ec8 · 4521ec8
1 parent 5967bcf
commit 4521ec8
Showing 1 changed file with 4 additions and 2 deletions.
diff --git 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");