From e2f59d215fed5dbba2e68e21e6c14120587a305f Mon Sep 17 00:00:00 2001
From: iceman1001 <iceman@iuse.se>
Date: Mon, 30 Dec 2019 21:29:04 +0100
Subject: [PATCH] cppcheck

---
 armsrc/mifareutil.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/armsrc/mifareutil.c b/armsrc/mifareutil.c
index 97ac6ee90..cfd8f4b35 100644
--- a/armsrc/mifareutil.c
+++ b/armsrc/mifareutil.c
@@ -92,7 +92,7 @@ int mifare_sendcmd_short(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd,
     AddCrc14A(dcmd, 2);
     memcpy(ecmd, dcmd, sizeof(dcmd));
 
-    if (crypted) {
+    if (pcs && crypted) {
         par[0] = 0;
         for (pos = 0; pos < 4; pos++) {
             ecmd[pos] = crypto1_byte(pcs, 0x00, 0) ^ dcmd[pos];