From ac84e855a931a00ce802011718ef811efc999b02 Mon Sep 17 00:00:00 2001
From: iceman1001 <iceman@iuse.se>
Date: Fri, 9 Dec 2022 07:39:36 +0100
Subject: [PATCH] Jumps len check fix

---
 armsrc/i2c.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/armsrc/i2c.c b/armsrc/i2c.c
index c3d10a765..6ede36b13 100644
--- a/armsrc/i2c.c
+++ b/armsrc/i2c.c
@@ -714,11 +714,12 @@ bool GetATR(smart_card_atr_t *card_ptr, bool verbose) {
 
     // read bytes from module
     uint16_t len = sizeof(card_ptr->atr);
+    if (sc_rx_bytes(card_ptr->atr, &len) == false)
+        return false;
+
     if (len > sizeof(card_ptr->atr)) {
         len = sizeof(card_ptr->atr);
     }
-    if (sc_rx_bytes(card_ptr->atr, &len) == false)
-        return false;
 
     uint8_t pos_td = 1;
     if ((card_ptr->atr[1] & 0x10) == 0x10) pos_td++;