openwrt/package/mac80211/patches/540-ath9k_fix_survey_crash....

13 lines
368 B
Diff

--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -183,6 +183,9 @@ static void ath_update_survey_stats(stru
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);