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path: root/drivers/net/wireless/iwlwifi/iwl-tx.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-tx.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-tx.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index 9bbeec9427f..5febb318636 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -720,8 +720,6 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
goto drop_unlock;
}
- spin_unlock_irqrestore(&priv->lock, flags);
-
hdr_len = ieee80211_hdrlen(fc);
/* Find (or create) index into station table for destination station */
@@ -729,7 +727,7 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
if (sta_id == IWL_INVALID_STATION) {
IWL_DEBUG_DROP(priv, "Dropping - INVALID STATION: %pM\n",
hdr->addr1);
- goto drop;
+ goto drop_unlock;
}
IWL_DEBUG_TX(priv, "station Id %d\n", sta_id);
@@ -750,14 +748,17 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
txq_id = priv->stations[sta_id].tid[tid].agg.txq_id;
swq_id = iwl_virtual_agg_queue_num(swq_id, txq_id);
}
- priv->stations[sta_id].tid[tid].tfds_in_queue++;
}
txq = &priv->txq[txq_id];
q = &txq->q;
txq->swq_id = swq_id;
- spin_lock_irqsave(&priv->lock, flags);
+ if (unlikely(iwl_queue_space(q) < q->high_mark))
+ goto drop_unlock;
+
+ if (ieee80211_is_data_qos(fc))
+ priv->stations[sta_id].tid[tid].tfds_in_queue++;
/* Set up driver data for this TFD */
memset(&(txq->txb[q->write_ptr]), 0, sizeof(struct iwl_tx_info));
@@ -902,7 +903,6 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
drop_unlock:
spin_unlock_irqrestore(&priv->lock, flags);
-drop:
return -1;
}
EXPORT_SYMBOL(iwl_tx_skb);