ath9k: Return early for invalid rates

Process and update the internal RSSI average, which
is used by ANI, after verifying that the received
frame has valid rate information.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index b4b758d..865e043 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -955,11 +955,11 @@ static int ath9k_rx_skb_preprocess(struct ath_softc *sc,
        if (rx_stats->rs_more)
                return 0;
 
-       ath9k_process_rssi(common, hw, hdr, rx_stats);
-
        if (ath9k_process_rate(common, hw, rx_stats, rx_status))
                return -EINVAL;
 
+       ath9k_process_rssi(common, hw, hdr, rx_stats);
+
        rx_status->band = hw->conf.chandef.chan->band;
        rx_status->freq = hw->conf.chandef.chan->center_freq;
        rx_status->signal = ah->noise + rx_stats->rs_rssi;