diff options
Diffstat (limited to 'src/rfid_proto_mifare_classic.c')
| -rw-r--r-- | src/rfid_proto_mifare_classic.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/src/rfid_proto_mifare_classic.c b/src/rfid_proto_mifare_classic.c index e98dc28..004e002 100644 --- a/src/rfid_proto_mifare_classic.c +++ b/src/rfid_proto_mifare_classic.c @@ -79,7 +79,6 @@ static int mfcl_write(struct rfid_protocol_handle *ph, unsigned int page, unsigned char *tx_data, unsigned int tx_len) { - unsigned int i; unsigned char tx[18]; unsigned char rx[1]; unsigned int rx_len = sizeof(rx); @@ -145,7 +144,7 @@ mfcl_getopt(struct rfid_protocol_handle *ph, int optname, void *optval, unsigned int *optlen) { int ret = -EINVAL; - u_int16_t atqa; + u_int8_t atqa[2]; unsigned int atqa_size = sizeof(atqa); unsigned int *size = optval; @@ -156,10 +155,10 @@ mfcl_getopt(struct rfid_protocol_handle *ph, int optname, void *optval, *optlen = sizeof(*size); ret = 0; rfid_layer2_getopt(ph->l2h, RFID_OPT_14443A_ATQA, - (void *) &atqa, &atqa_size); - if (atqa == 0x0004) + atqa, &atqa_size); + if (atqa[0] == 0x04 && atqa[1] == 0x00) *size = 1024; - else if (atqa == 0x0002) + else if (atqa[0] == 0x02 && atqa[1] == 0x00) *size = 4096; else ret = -EIO; |