From 2c7808d9345b91bb19f6bfaebf7b9e0916b0859a Mon Sep 17 00:00:00 2001 From: Christian Lamparter Date: Sat, 18 Sep 2010 00:15:13 +0200 Subject: [PATCH] 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: Christian Lamparter Signed-off-by: John W. Linville --- drivers/net/wireless/ath/carl9170/main.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ath/carl9170/main.c b/drivers/net/wireless/ath/carl9170/main.c index ea49d54ce03b..43de9dfa5820 100644 --- a/drivers/net/wireless/ath/carl9170/main.c +++ b/drivers/net/wireless/ath/carl9170/main.c @@ -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; -- 2.39.5