From 31ccc7d7ca14f9df885bda5d0d150ef5e6e8a0af Mon Sep 17 00:00:00 2001
From: Philippe Teuwen <phil@teuwen.org>
Date: Wed, 29 Apr 2020 20:20:06 +0200
Subject: [PATCH] hardnested: don't drop field when in test mode

---
 client/src/cmdhfmf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/client/src/cmdhfmf.c b/client/src/cmdhfmf.c
index 8c6247614..95e821781 100644
--- a/client/src/cmdhfmf.c
+++ b/client/src/cmdhfmf.c
@@ -1866,7 +1866,7 @@ static int CmdHF14AMfNestedHard(const char *Cmd) {
     uint64_t foundkey = 0;
     int16_t isOK = mfnestedhard(blockNo, keyType, key, trgBlockNo, trgKeyType, know_target_key ? trgkey : NULL, nonce_file_read, nonce_file_write, slow, tests, &foundkey, filename);
 
-    DropField();
+    if (tests == 0) DropField();
     if (isOK) {
         switch (isOK) {
             case 1 :