4.2-stable review patch. If anyone has any objections, please let me know.
------------------
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) {
--
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