diff options
| -rw-r--r-- | src/rfid_proto_mifare_classic.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/rfid_proto_mifare_classic.c b/src/rfid_proto_mifare_classic.c index 10de288..99386a1 100644 --- a/src/rfid_proto_mifare_classic.c +++ b/src/rfid_proto_mifare_classic.c @@ -64,6 +64,9 @@ mfcl_read(struct rfid_protocol_handle *ph, unsigned int page, if (ret < 0) return ret; + if (real_rx_len == 1 && *rx_buf == 0x04) + return -EPERM; + if (real_rx_len < *rx_len) *rx_len = real_rx_len; |