Correctly initialise rx_len in mfcl_write() (Pierrick Hascoet <pierrick.hascoet...

[librfid] / src / rfid_proto_mifare_classic.c

diff --git a/src/rfid_proto_mifare_classic.c b/src/rfid_proto_mifare_classic.c
index c2020b0..e98dc28 100644 (file)
--- a/src/rfid_proto_mifare_classic.c
+++ b/src/rfid_proto_mifare_classic.c
@@ -82,7 +82,7 @@ mfcl_write(struct rfid_protocol_handle *ph, unsigned int page,
        unsigned int i;
        unsigned char tx[18];
        unsigned char rx[1];
-       unsigned int rx_len;
+       unsigned int rx_len = sizeof(rx);
        int ret;
 
        if (page > MIFARE_CL_PAGE_MAX)