From 763f6d6a434b6e5a9d166cb538857d0cac5fa29e Mon Sep 17 00:00:00 2001
From: cbdev <cb@cbcdn.com>
Date: Wed, 11 Dec 2019 23:33:27 +0100
Subject: Release instance implementation data allocation

---
 backends/evdev.c   | 2 +-
 backends/jack.c    | 2 ++
 backends/maweb.c   | 2 ++
 backends/winmidi.c | 2 ++
 4 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/backends/evdev.c b/backends/evdev.c
index d2eeba8..659dc77 100644
--- a/backends/evdev.c
+++ b/backends/evdev.c
@@ -519,7 +519,7 @@ static int evdev_shutdown(size_t n, instance** inst){
 #endif
 		data->relative_axes = 0;
 		free(data->relative_axis);
-		free(data);
+		free(inst[u]->impl);
 	}
 
 	fprintf(stderr, "evdev backend shut down\n");
diff --git a/backends/jack.c b/backends/jack.c
index eb53190..42ecee3 100644
--- a/backends/jack.c
+++ b/backends/jack.c
@@ -725,6 +725,8 @@ static int mmjack_shutdown(size_t n, instance** inst){
 		data->client_name = NULL;
 		close(data->fd);
 		data->fd = -1;
+
+		free(inst[u]->impl);
 	}
 
 	fprintf(stderr, "jack backend shut down\n");
diff --git a/backends/maweb.c b/backends/maweb.c
index 8cf201e..4d41f0e 100644
--- a/backends/maweb.c
+++ b/backends/maweb.c
@@ -1044,6 +1044,8 @@ static int maweb_shutdown(size_t n, instance** inst){
 		free(data->channel);
 		data->channel = NULL;
 		data->channels = 0;
+
+		free(inst[u]->impl);
 	}
 
 	fprintf(stderr, "maweb backend shut down\n");
diff --git a/backends/winmidi.c b/backends/winmidi.c
index 090e438..c917ac6 100644
--- a/backends/winmidi.c
+++ b/backends/winmidi.c
@@ -564,6 +564,8 @@ static int winmidi_shutdown(size_t n, instance** inst){
 			midiOutClose(data->device_out);
 			data->device_out = NULL;
 		}
+
+		free(inst[u]->impl);
 	}
 
 	closesocket(backend_config.socket_pair[0]);
-- 
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