From 94e1571ee63ad79c1378ffac583a8360ee7ade81 Mon Sep 17 00:00:00 2001
From: Aram <aram@factorit.nl>
Date: Sun, 1 May 2016 23:27:00 +0200
Subject: [PATCH] Close device handle

---
 libnfc_crypto1_crack.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libnfc_crypto1_crack.c b/libnfc_crypto1_crack.c
index 535cb39..cb76c31 100644
--- a/libnfc_crypto1_crack.c
+++ b/libnfc_crypto1_crack.c
@@ -638,6 +638,7 @@ int main (int argc, const char * argv[]) {
 
     if(argc < 4){
         printf("%s <known key> <for block> <A|B> <target block> <A|B>\n", argv[0]);
+        nfc_close(pnd);
         return 1;
     }