Examples of errors detected by the V569 diagnostic

V569. Truncation of constant value.


FreeBSD Kernel

V569 Truncation of constant value -96. The value range of unsigned char type: [0, 255]. if_rsu.c 1516


struct ieee80211_rx_stats {
  ....
  uint8_t nf;      /* global NF */
  uint8_t rssi;    /* global RSSI */
  ....
};

static void
rsu_event_survey(struct rsu_softc *sc, uint8_t *buf, int len)
{
  ....
  rxs.rssi = le32toh(bss->rssi) / 2;
  rxs.nf = -96;
  ....
}


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