From 716d5c639b0d03a5b6d30675869ff3894b191faf Mon Sep 17 00:00:00 2001
From: Philippe Teuwen <phil@teuwen.org>
Date: Mon, 10 Nov 2025 23:33:01 +0100
Subject: [PATCH] add tearoff support to hf 14a apdu

---
 armsrc/iso14443a.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/armsrc/iso14443a.c b/armsrc/iso14443a.c
index adf2bd7de..36732f37b 100644
--- a/armsrc/iso14443a.c
+++ b/armsrc/iso14443a.c
@@ -3474,6 +3474,12 @@ int iso14_apdu(uint8_t *cmd, uint16_t cmd_len, bool send_chaining, void *data, u
 
     ReaderTransmit(real_cmd, cmd_len + 3, NULL);
 
+    // tearoff occurred
+    if (tearoff_hook() == PM3_ETEAROFF) {
+        BigBuf_free();
+        return -1;
+    }
+
     size_t len = ReaderReceive(data, data_len, parity_array);
     uint8_t *data_bytes = (uint8_t *) data;