Do not recurse over IOHIDElement children.

src/iokit_joystick.m

@@ -67,10 +67,11 @@ static void addJoystickElement(_GLFWjoydevice* joystick, IOHIDElementRef element
     usagePage = IOHIDElementGetUsagePage(elementRef);
     usage = IOHIDElementGetUsage(elementRef);
 
-    if ((elementType == kIOHIDElementTypeInput_Axis) ||
-        (elementType == kIOHIDElementTypeInput_Button) ||
-        (elementType == kIOHIDElementTypeInput_Misc))
-    {
+    if ((elementType != kIOHIDElementTypeInput_Axis) &&
+        (elementType != kIOHIDElementTypeInput_Button) &&
+        (elementType != kIOHIDElementTypeInput_Misc))
+        return;
+
     switch (usagePage)
     {
         case kHIDPage_GenericDesktop:
@@ -115,19 +116,6 @@ static void addJoystickElement(_GLFWjoydevice* joystick, IOHIDElementRef element
         element->maxReport = IOHIDElementGetLogicalMax(elementRef);
     }
 }
-    else
-    {
-        CFArrayRef array = IOHIDElementGetChildren(elementRef);
-        if (array)
-        {
-            if (CFGetTypeID(array) == CFArrayGetTypeID())
-            {
-                CFRange range = { 0, CFArrayGetCount(array) };
-                CFArrayApplyFunction(array, range, getElementsCFArrayHandler, joystick);
-            }
-        }
-    }
-}
 
 // Adds an element to the specified joystick
 //