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ath9k: Fix phyerr debug statistics 

Validate the phyerr value against the max. size of the
statistics array properly.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith Manoharan 2012-02-16 11:52:25 +05:30 committed by John W. Linville
parent 4203214ee2
commit dbb07f0044
1 changed files with 2 additions and 4 deletions
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6
drivers/net/wireless/ath/ath9k/debug.c
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@ -987,8 +987,6 @@ void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
#define RX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].rs\ #define RX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].rs\
[sc->debug.rsidx].c) [sc->debug.rsidx].c)
u32 phyerr;
RX_STAT_INC(rx_pkts_all); RX_STAT_INC(rx_pkts_all);
sc->debug.stats.rxstats.rx_bytes_all += rs->rs_datalen; sc->debug.stats.rxstats.rx_bytes_all += rs->rs_datalen;
@ -1007,8 +1005,8 @@ void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
if (rs->rs_status & ATH9K_RXERR_PHY) { if (rs->rs_status & ATH9K_RXERR_PHY) {
RX_STAT_INC(phy_err); RX_STAT_INC(phy_err);
phyerr = rs->rs_phyerr & 0x24; if (rs->rs_phyerr < ATH9K_PHYERR_MAX)
RX_PHY_ERR_INC(phyerr); RX_PHY_ERR_INC(rs->rs_phyerr);
} }
sc->debug.stats.rxstats.rs_rssi_ctl0 = rs->rs_rssi_ctl0; sc->debug.stats.rxstats.rs_rssi_ctl0 = rs->rs_rssi_ctl0;