Issue #106: Fixed exception thrown by MIKMIDIConnectionManager when u…

…nplugging virtual MIDI device.
mixedinkey-opensource · Nov 6, 2015 · 8d2002f · 8d2002f
1 parent 428fc38
commit 8d2002f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Source/MIKMIDIConnectionManager.m b/Source/MIKMIDIConnectionManager.m
@@ -358,7 +358,7 @@ - (NSString *)deviceNameFromVirtualEndpoint:(MIKMIDIEndpoint *)endpoint
 - (MIKMIDIDevice *)deviceContainingEndpoint:(MIKMIDIEndpoint *)endpoint
 {
 	if (!endpoint) return nil;
-	NSMutableSet *devices = [self.availableDevices mutableCopy];
+	NSMutableSet *devices = [NSMutableSet setWithArray:self.availableDevices];
 	[devices unionSet:self.connectedDevices];
 	for (MIKMIDIDevice *device in devices) {
 		NSMutableSet *deviceEndpoints = [NSMutableSet setWithArray:[device.entities valueForKeyPath:@"@distinctUnionOfArrays.sources"]];