diff --git a/[refs] b/[refs]
index 1105f10da03a..37e7b3b5a5d6 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2d3fca180710c6832de22c44155ce6a3a4953c6b
+refs/heads/master: 0845735e2d1e4c177076d4bc2d841d9f77e95131
diff --git a/trunk/drivers/net/wireless/ath/ath9k/main.c b/trunk/drivers/net/wireless/ath/ath9k/main.c
index 3ff0e476c2b3..9679b3191975 100644
--- a/trunk/drivers/net/wireless/ath/ath9k/main.c
+++ b/trunk/drivers/net/wireless/ath/ath9k/main.c
@@ -182,6 +182,9 @@ static void ath_update_survey_stats(struct ath_softc *sc)
 	struct ath_cycle_counters *cc = &common->cc_survey;
 	unsigned int div = common->clockrate * 1000;
 
+	if (!ah->curchan)
+		return;
+
 	if (ah->power_mode == ATH9K_PM_AWAKE)
 		ath_hw_cycle_counters_update(common);