From 5089f74305ee190d7b9af8f02cd2a49b6bbd1cdc Mon Sep 17 00:00:00 2001
From: ed <eddavies95@gmail.com>
Date: Fri, 10 May 2019 09:47:20 +0100
Subject: [PATCH] Linux:  Fixed a potential use-after-free bug in the ALSA MIDI
 code

---
 modules/juce_audio_devices/native/juce_linux_Midi.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/juce_audio_devices/native/juce_linux_Midi.cpp b/modules/juce_audio_devices/native/juce_linux_Midi.cpp
index 5f6d67e1d4..eee87dee7b 100644
--- a/modules/juce_audio_devices/native/juce_linux_Midi.cpp
+++ b/modules/juce_audio_devices/native/juce_linux_Midi.cpp
@@ -279,7 +279,7 @@ public:
 
     void deletePort (Port* port)
     {
-        ports.remove (port->portId);
+        ports.set (port->portId, nullptr);
         decReferenceCount();
     }