Index: madwifi-ng-r2756-20071018/ath/if_ath.c
===================================================================
--- madwifi-ng-r2756-20071018.orig/ath/if_ath.c	2007-10-27 19:20:14.495461544 +0200
+++ madwifi-ng-r2756-20071018/ath/if_ath.c	2007-10-27 19:22:02.865637202 +0200
@@ -1417,7 +1417,6 @@
 	 * Wireshark and Kismet.
 	 */
 	hw_tsf = ath_hal_gettsf64(ah);
-	ic->ic_channoise = ath_hal_get_channel_noise(ah, &(sc->sc_curchan));
 
 	ATH_RXBUF_LOCK_IRQ(sc);
 	if (sc->sc_rxbufcur == NULL)
@@ -8174,6 +8173,7 @@
 	struct net_device *dev = (struct net_device *) arg;
 	struct ath_softc *sc = dev->priv;
 	struct ath_hal *ah = sc->sc_ah;
+	struct ieee80211com *ic = &sc->sc_ic;
 	/* u_int32_t nchans; */
 	HAL_BOOL isIQdone = AH_FALSE;
 
@@ -8202,6 +8202,7 @@
 		ath_calinterval = ATH_LONG_CALINTERVAL;
 	else
 		ath_calinterval = ATH_SHORT_CALINTERVAL;
+	ic->ic_channoise = ath_hal_get_channel_noise(ah, &(sc->sc_curchan));
 
 	sc->sc_cal_ch.expires = jiffies + (ath_calinterval * HZ);
 	add_timer(&sc->sc_cal_ch);
@@ -8252,6 +8253,7 @@
 	struct ath_softc *sc = dev->priv;
 
 	(void) ath_chan_set(sc, ic->ic_curchan);
+	ic->ic_channoise = ath_hal_get_channel_noise(ah, &(sc->sc_curchan));
 	/*
 	 * If we are returning to our bss channel then mark state
 	 * so the next recv'd beacon's TSF will be used to sync the
@@ -8466,6 +8468,7 @@
 		}
 
 		ath_hal_process_noisefloor(ah);
+		ic->ic_channoise = ath_hal_get_channel_noise(ah, &(sc->sc_curchan));
 		/*
 		 * Configure the beacon and sleep timers.
 		 */