From: Sharon <sara.sharon@xxxxxxxxx>
When mvm is initialized we alloc aux station with aux queue.
We later free the station memory when driver is stopped, but we
never free the queue's memory, which casues a leak.
Add a proper de-initialization of the station.
Signed-off-by: Sharon <sara.sharon@xxxxxxxxx>
Signed-off-by: Luca Coelho <luciano.coelho@xxxxxxxxx>
---
.../net/wireless/intel/iwlwifi/mvm/mac80211.c | 5 ++---
drivers/net/wireless/intel/iwlwifi/mvm/sta.c | 18 +++++++++++++-----
drivers/net/wireless/intel/iwlwifi/mvm/sta.h | 6 +++---
3 files changed, 18 insertions(+), 11 deletions(-)
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
index 10df77ab1a77..77916231ff7d 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
@@ -1208,14 +1208,13 @@ void __iwl_mvm_mac_stop(struct iwl_mvm *mvm)
*/
flush_work(&mvm->roc_done_wk);
+ iwl_mvm_rm_aux_sta(mvm);
+
iwl_mvm_stop_device(mvm);
iwl_mvm_async_handlers_purge(mvm);
/* async_handlers_list is empty and will stay empty: HW is stopped */
- /* the fw is stopped, the aux sta is dead: clean up driver state */
- iwl_mvm_del_aux_sta(mvm);
-
/*
* Clear IN_HW_RESTART and HW_RESTART_REQUESTED flag when stopping the
* hw (as restart_complete() won't be called in this case) and mac80211
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
index 44d4720b7629..fee01cbbd3ac 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
@@ -2093,16 +2093,24 @@ int iwl_mvm_rm_snif_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
return ret;
}
-void iwl_mvm_dealloc_snif_sta(struct iwl_mvm *mvm)
+int iwl_mvm_rm_aux_sta(struct iwl_mvm *mvm)
{
- iwl_mvm_dealloc_int_sta(mvm, &mvm->snif_sta);
-}
+ int ret;
-void iwl_mvm_del_aux_sta(struct iwl_mvm *mvm)
-{
lockdep_assert_held(&mvm->mutex);
+ iwl_mvm_disable_txq(mvm, NULL, mvm->aux_queue, IWL_MAX_TID_COUNT, 0);
+ ret = iwl_mvm_rm_sta_common(mvm, mvm->aux_sta.sta_id);
+ if (ret)
+ IWL_WARN(mvm, "Failed sending remove station\n");
iwl_mvm_dealloc_int_sta(mvm, &mvm->aux_sta);
+
+ return ret;
+}
+
+void iwl_mvm_dealloc_snif_sta(struct iwl_mvm *mvm)
+{
+ iwl_mvm_dealloc_int_sta(mvm, &mvm->snif_sta);
}
/*
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.h b/drivers/net/wireless/intel/iwlwifi/mvm/sta.h
index 8d70093847cb..da2d1ac01229 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.h
@@ -8,7 +8,7 @@
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
* Copyright(c) 2015 - 2016 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
+ * Copyright(c) 2018 - 2020 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -31,7 +31,7 @@
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
* Copyright(c) 2015 - 2016 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
+ * Copyright(c) 2018 - 2020 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -541,7 +541,7 @@ int iwl_mvm_sta_tx_agg(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
int tid, u8 queue, bool start);
int iwl_mvm_add_aux_sta(struct iwl_mvm *mvm);
-void iwl_mvm_del_aux_sta(struct iwl_mvm *mvm);
+int iwl_mvm_rm_aux_sta(struct iwl_mvm *mvm);
int iwl_mvm_alloc_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
int iwl_mvm_send_add_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
--
2.26.2
