Index: madwifi-ng-r2978-20071127/ath/if_ath.c
===================================================================
--- madwifi-ng-r2978-20071127.orig/ath/if_ath.c	2007-11-27 21:59:09.565984878 +0100
+++ madwifi-ng-r2978-20071127/ath/if_ath.c	2007-11-27 22:01:09.964846018 +0100
@@ -1597,7 +1597,6 @@
 	 * 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)
@@ -8536,6 +8535,7 @@
 		if (ath_calinterval == ATH_LONG_CALINTERVAL)
 			ath_calinterval = ATH_SHORT_CALINTERVAL;
 	}
+	ic->ic_channoise = ath_hal_get_channel_noise(ah, &(sc->sc_curchan));
 
 	DPRINTF(sc, ATH_DEBUG_CALIBRATE, "%s: channel %u/%x -- IQ %s.\n",
 		__func__, sc->sc_curchan.channel, sc->sc_curchan.channelFlags,
@@ -8590,6 +8590,7 @@
 	struct ath_softc *sc = dev->priv;
 
 	(void) ath_chan_set(sc, ic->ic_curchan);
+	ic->ic_channoise = ath_hal_get_channel_noise(sc->sc_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
@@ -8812,6 +8813,7 @@
 		}
 
 		ath_hal_process_noisefloor(ah);
+		ic->ic_channoise = ath_hal_get_channel_noise(ah, &(sc->sc_curchan));
 		/*
 		 * Configure the beacon and sleep timers.
 		 */