From 173841b53351f242f2ac69f7dd74d69cc959fd24 Mon Sep 17 00:00:00 2001
From: iceman1001 <iceman@iuse.se>
Date: Sat, 4 Mar 2023 20:14:09 +0100
Subject: [PATCH] fix CID #405231 - resource leak

---
 client/src/cmdhfmfhard.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/client/src/cmdhfmfhard.c b/client/src/cmdhfmfhard.c
index 7d930a8a3..4cb7873af 100644
--- a/client/src/cmdhfmfhard.c
+++ b/client/src/cmdhfmfhard.c
@@ -1481,6 +1481,9 @@ static int acquire_nonces(uint8_t blockNo, uint8_t keyType, uint8_t *key, uint8_
 
                     if (got_match == false) {
                         PrintAndLogEx(FAILED, "No match for the First_Byte_Sum (%u), is the card a genuine MFC Ev1? ", first_byte_Sum);
+                        if (nonce_file_write) {
+                            fclose(fnonces);
+                        }
                         return PM3_EWRONGANSWER;
                     }