From 231c65d503369b02458709b9acacc84a864bbdc1 Mon Sep 17 00:00:00 2001
From: Klas Lindfors <klas@yubico.com>
Date: Wed, 10 Oct 2012 08:44:41 +0200
Subject: [PATCH] we need to CFRetain(yk) after opening the device

and do CFRelease() when closing the device
---
 ykcore/ykcore_osx.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/ykcore/ykcore_osx.c b/ykcore/ykcore_osx.c
index 55c4786..4802060 100644
--- a/ykcore/ykcore_osx.c
+++ b/ykcore/ykcore_osx.c
@@ -100,6 +100,7 @@ void *_ykusb_open_device(int vendor_id, int product_id)
 
 		if (cnt > 0) {
 			yk = (void *) CFArrayGetValueAtIndex( array, 0 );
+			CFRetain(yk);
 		}
 		else {
 			rc = YK_ENOKEY;
@@ -132,6 +133,7 @@ error:
 int _ykusb_close_device(void *dev)
 {
 	_ykusb_IOReturn = IOHIDDeviceClose( dev, 0L );
+	CFRelease(dev);
 
 	if ( _ykusb_IOReturn == kIOReturnSuccess )
 		return 1;
-- 
2.39.5