Fix a warning (Rainer Keller <mail@rainerkeller.de>)

[librfid] / src / rfid_proto_tcl.c

diff --git a/src/rfid_proto_tcl.c b/src/rfid_proto_tcl.c
index af626c6..70259e6 100644 (file)
--- a/src/rfid_proto_tcl.c
+++ b/src/rfid_proto_tcl.c
@@ -781,6 +781,8 @@ tcl_getopt(struct rfid_protocol_handle *h, int optname, void *optval,
                *optlen = sizeof(u_int8_t);
                *opt_str = h->priv.tcl.ats_len & 0xff;
                break;
+       default:
+               return -EINVAL;
        }
 
        return 0;