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Commit 2c7808d9 authored by Christian Lamparter's avatar Christian Lamparter Committed by John W. Linville
Browse files

carl9170: fix hang in AP mode when HT STA does PSM 



This is a obvious bug, skb_queue_walk does not
work if the iterator gets removed from the queue.

Signed-off-by: default avatarChristian Lamparter <chunkeey@googlemail.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 73576110

drivers/net/wireless/ath/carl9170/main.c

+2 −2
Original line number Diff line number Diff line
@@ -1412,7 +1412,7 @@ static void carl9170_op_sta_notify(struct ieee80211_hw *hw, 
{

	struct ar9170 *ar = hw->priv;

	struct carl9170_sta_info *sta_info = (void *) sta->drv_priv;

	struct sk_buff *skb;

	struct sk_buff *skb, *tmp;

	struct sk_buff_head free;

	int i;
@@ -1462,7 +1462,7 @@ static void carl9170_op_sta_notify(struct ieee80211_hw *hw, 


		for (i = 0; i < ar->hw->queues; i++) {

			spin_lock_bh(&ar->tx_pending[i].lock);

			skb_queue_walk(&ar->tx_pending[i], skb) {

			skb_queue_walk_safe(&ar->tx_pending[i], skb, tmp) {

				struct _carl9170_tx_superframe *super;

				struct ieee80211_hdr *hdr;