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

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

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Michal Kazior 2013-07-16 09:38:56 +02:00 committed by Kalle Valo
parent 1a1b8a889d
commit a96d774559
1 changed files with 25 additions and 0 deletions
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25
drivers/net/wireless/ath/ath10k/mac.c
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@ -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);