From 404dfba6e812ca54c75080ad1cedeea136774bc6 Mon Sep 17 00:00:00 2001
From: Romuald Conty <romuald@libnfc.org>
Date: Tue, 18 May 2010 08:13:26 +0000
Subject: [PATCH] usb_release() must be called before usb_reset(). Fix Issue 81
 (Thanks to thaolx).

---
 libnfc/drivers/pn53x_usb.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/libnfc/drivers/pn53x_usb.c b/libnfc/drivers/pn53x_usb.c
index 766e1b4..008c68c 100644
--- a/libnfc/drivers/pn53x_usb.c
+++ b/libnfc/drivers/pn53x_usb.c
@@ -229,11 +229,11 @@ void pn53x_usb_disconnect(nfc_device_t* pnd)
   usb_spec_t* pus = (usb_spec_t*)pnd->nds;
   int ret;
 
+  if((ret = usb_release_interface(pus->pudh,0)) < 0)
+    DBG("usb_release failed %i",ret);
   DBG("%s","resetting USB");
   usb_reset(pus->pudh);
-  if((ret= usb_release_interface(pus->pudh,0)) < 0)
-    DBG("usb_release failed %i",ret);
-  if((ret= usb_close(pus->pudh)) < 0)
+  if((ret = usb_close(pus->pudh)) < 0)
     DBG("usb_close failed %i",ret);
   free(pnd->nds);
   free(pnd);