diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 2c0fec888021..a3c6053cdffe 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -3535,6 +3535,7 @@ struct sk_buff *ieee80211_tx_dequeue(struct ieee80211_hw *hw, ieee80211_tx_result r; struct ieee80211_vif *vif = txq->vif; +begin: spin_lock_bh(&fq->lock); if (test_bit(IEEE80211_TXQ_STOP, &txqi->flags) || @@ -3551,11 +3552,12 @@ struct sk_buff *ieee80211_tx_dequeue(struct ieee80211_hw *hw, if (skb) goto out; -begin: skb = fq_tin_dequeue(fq, tin, fq_tin_dequeue_func); if (!skb) goto out; + spin_unlock_bh(&fq->lock); + hdr = (struct ieee80211_hdr *)skb->data; info = IEEE80211_SKB_CB(skb); @@ -3600,8 +3602,11 @@ begin: skb = __skb_dequeue(&tx.skbs); - if (!skb_queue_empty(&tx.skbs)) + if (!skb_queue_empty(&tx.skbs)) { + spin_lock_bh(&fq->lock); skb_queue_splice_tail(&tx.skbs, &txqi->frags); + spin_unlock_bh(&fq->lock); + } } if (skb_has_frag_list(skb) && @@ -3640,6 +3645,7 @@ begin: } IEEE80211_SKB_CB(skb)->control.vif = vif; + return skb; out: spin_unlock_bh(&fq->lock);