From e53a3539e2582f2755b07494e82abfa7358262f6 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Wed, 20 Oct 2010 14:01:53 +0000 Subject: [PATCH] ath9k: fix a crash that happens when survey stats are accessed before the interface is brought up for the first time SVN-Revision: 23549 --- .../patches/540-ath9k_fix_survey_crash.patch | 12 ++++++++++++ 1 file changed, 12 insertions(+) create mode 100644 package/mac80211/patches/540-ath9k_fix_survey_crash.patch diff --git a/package/mac80211/patches/540-ath9k_fix_survey_crash.patch b/package/mac80211/patches/540-ath9k_fix_survey_crash.patch new file mode 100644 index 0000000000..b627f8f4a8 --- /dev/null +++ b/package/mac80211/patches/540-ath9k_fix_survey_crash.patch @@ -0,0 +1,12 @@ +--- 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); + -- 2.30.2