From 250a974e2d9d2d2dd8dfb8a99b07a77c7e2f637a Mon Sep 17 00:00:00 2001
From: Joe Wreschnig <joe.wreschnig@gmail.com>
Date: Wed, 27 Feb 2013 23:54:38 +0100
Subject: [PATCH] Fix crash when no action is available.

---
 JoystickController.m | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/JoystickController.m b/JoystickController.m
index dfa246f..8b350a4 100644
--- a/JoystickController.m
+++ b/JoystickController.m
@@ -60,7 +60,7 @@ static void input_callback(void *ctx, IOReturn inResult, void *inSender, IOHIDVa
     if (((ApplicationController *)[NSApplication sharedApplication].delegate).active) {
         JSAction *mainAction = [js actionForEvent:value];
         [mainAction notifyEvent:value];
-        NSArray *children = mainAction.children ? mainAction.children : @[mainAction];
+        NSArray *children = mainAction.children ? mainAction.children : mainAction ? @[mainAction] : @[];
         for (JSAction *subaction in children) {
             Target *target = [controller.currentConfig getTargetForAction:subaction];
             target.magnitude = mainAction.magnitude;
-- 
2.20.1