From 9829f2fcba878cc20265a122b60bdd8ec2ef0cfe Mon Sep 17 00:00:00 2001
From: Veniamin Albaev <albenik@gmail.com>
Date: Thu, 20 Jul 2017 15:09:58 +0300
Subject: [PATCH] Fixed libusb: warning [libusb_exit] some libusb_devices were
 leaked (#7)

---
 usb.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/usb.go b/usb.go
index a84b458..b2959c1 100644
--- a/usb.go
+++ b/usb.go
@@ -175,6 +175,7 @@ func (c *Context) OpenDevices(opener func(desc *DeviceDesc) bool) ([]*Device, er
 		if opener(desc) {
 			handle, err := libusb.open(dev)
 			if err != nil {
+				libusb.dereference(dev)
 				reterr = err
 				continue
 			}