This is a note to let you know that I've just added the patch titled iwlwifi: mvm: clear csa countdown when AP is stopped to the 4.2-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: iwlwifi-mvm-clear-csa-countdown-when-ap-is-stopped.patch and it can be found in the queue-4.2 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From e9cb0327b26dd7ba43a3b7a05b4b62219decf42d Mon Sep 17 00:00:00 2001 From: Avraham Stern <avraham.stern@xxxxxxxxx> Date: Mon, 31 Aug 2015 11:08:27 +0300 Subject: iwlwifi: mvm: clear csa countdown when AP is stopped From: Avraham Stern <avraham.stern@xxxxxxxxx> commit e9cb0327b26dd7ba43a3b7a05b4b62219decf42d upstream. The csa_countdown flag was not cleared when the AP is stopped. As a result, if the AP was stopped after csa_countdown had started, all the folowing channel switch commands would fail. Fix that by clearing the csa_countdown flag when the AP is stopped. Signed-off-by: Avraham Stern <avraham.stern@xxxxxxxxx> Signed-off-by: Luca Coelho <luciano.coelho@xxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/net/wireless/iwlwifi/mvm/mac80211.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -2373,6 +2373,7 @@ static void iwl_mvm_stop_ap_ibss(struct iwl_mvm_remove_time_event(mvm, mvmvif, &mvmvif->time_event_data); RCU_INIT_POINTER(mvm->csa_vif, NULL); + mvmvif->csa_countdown = false; } if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) { Patches currently in stable-queue which might be from avraham.stern@xxxxxxxxx are queue-4.2/iwlwifi-mvm-clear-csa-countdown-when-ap-is-stopped.patch -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html