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Message-Id: <20151106192205.621936850@linuxfoundation.org>
Date:	Fri,  6 Nov 2015 11:22:04 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Avraham Stern <avraham.stern@...el.com>,
	Luca Coelho <luciano.coelho@...el.com>
Subject: [PATCH 4.1 05/86] iwlwifi: mvm: clear csa countdown when AP is stopped

4.1-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Avraham Stern <avraham.stern@...el.com>

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@...el.com>
Signed-off-by: Luca Coelho <luciano.coelho@...el.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 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
@@ -2277,6 +2277,7 @@ 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) {


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