diff options
Diffstat (limited to 'driver_ubx.c')
| -rw-r--r-- | driver_ubx.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/driver_ubx.c b/driver_ubx.c index dd004bb8..c74fde7a 100644 --- a/driver_ubx.c +++ b/driver_ubx.c @@ -1123,16 +1123,18 @@ gps_mask_t ubx_parse(struct gps_device_t * session, unsigned char *buf, switch (msgid) { case UBX_ACK_ACK: - gpsd_log(&session->context->errout, LOG_DATA, - "UBX_ACK_ACK, class: %02x, id: %02x\n", - buf[UBX_CLASS_OFFSET], - buf[UBX_TYPE_OFFSET]); + if (2 <= data_len) { + gpsd_log(&session->context->errout, LOG_DATA, + "UBX_ACK_ACK, class: %02x, id: %02x\n", + buf[4], buf[5]); + } break; case UBX_ACK_NAK: - gpsd_log(&session->context->errout, LOG_WARN, - "UBX_ACK_NAK, class: %02x, id: %02x\n", - buf[UBX_CLASS_OFFSET], - buf[UBX_TYPE_OFFSET]); + if (2 <= data_len) { + gpsd_log(&session->context->errout, LOG_WARN, + "UBX_ACK_NAK, class: %02x, id: %02x\n", + buf[4], buf[5]); + } break; case UBX_CFG_PRT: |