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Commit a96d7745 authored by Michal Kazior's avatar Michal Kazior Committed by Kalle Valo
Browse files

ath10k: make sure all resources are freed upon ath10k_stop() 



This is necessary for proper hw reconfiguration
and to avoid memory leaks.

Signed-off-by: default avatarMichal Kazior <michal.kazior@tieto.com>
Signed-off-by: default avatarKalle Valo <kvalo@qca.qualcomm.com>
parent 1a1b8a88

drivers/net/wireless/ath/ath10k/mac.c

+25 −0
Original line number Diff line number Diff line
@@ -369,6 +369,20 @@ static void ath10k_peer_cleanup(struct ath10k *ar, u32 vdev_id) 
	spin_unlock_bh(&ar->data_lock);

}



static void ath10k_peer_cleanup_all(struct ath10k *ar)

{

	struct ath10k_peer *peer, *tmp;



	lockdep_assert_held(&ar->conf_mutex);



	spin_lock_bh(&ar->data_lock);

	list_for_each_entry_safe(peer, tmp, &ar->peers, list) {

		list_del(&peer->list);

		kfree(peer);

	}

	spin_unlock_bh(&ar->data_lock);

}



/************************/

/* Interface management */

/************************/
@@ -1753,7 +1767,18 @@ static void ath10k_stop(struct ieee80211_hw *hw) 
	struct ath10k *ar = hw->priv;



	mutex_lock(&ar->conf_mutex);

	del_timer_sync(&ar->scan.timeout);

	ath10k_offchan_tx_purge(ar);

	ath10k_peer_cleanup_all(ar);



	spin_lock_bh(&ar->data_lock);

	if (ar->scan.in_progress) {

		del_timer(&ar->scan.timeout);

		ar->scan.in_progress = false;

		ieee80211_scan_completed(ar->hw, true);

	}

	spin_unlock_bh(&ar->data_lock);



	ar->state = ATH10K_STATE_OFF;

	mutex_unlock(&ar->conf_mutex);