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iwlwifi: need check for valid qos packet before free

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For 4965, need to check it is valid qos frame before free, only valid
QoS frame has the tid used to free the packets.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Wey-Yi Guy 2010-04-08 13:17:37 -07:00 committed by John W. Linville
parent 1144601118
commit ece6444c2f
1 changed files with 9 additions and 4 deletions
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13
drivers/net/wireless/iwlwifi/iwl-4965.c
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@ -2015,7 +2015,9 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv,
IWL_DEBUG_TX_REPLY(priv, "Retry scheduler reclaim scd_ssn "
"%d index %d\n", scd_ssn , index);
freed = iwl_tx_queue_reclaim(priv, txq_id, index);
iwl_free_tfds_in_queue(priv, sta_id, tid, freed);
if (qc)
iwl_free_tfds_in_queue(priv, sta_id,
tid, freed);
if (priv->mac80211_registered &&
(iwl_queue_space(&txq->q) > txq->q.low_mark) &&
@ -2041,14 +2043,17 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv,
tx_resp->failure_frame);
freed = iwl_tx_queue_reclaim(priv, txq_id, index);
iwl_free_tfds_in_queue(priv, sta_id, tid, freed);
if (qc && likely(sta_id != IWL_INVALID_STATION))
iwl_free_tfds_in_queue(priv, sta_id, tid, freed);
else if (sta_id == IWL_INVALID_STATION)
IWL_DEBUG_TX_REPLY(priv, "Station not known\n");
if (priv->mac80211_registered &&
(iwl_queue_space(&txq->q) > txq->q.low_mark))
iwl_wake_queue(priv, txq_id);
}
iwl_txq_check_empty(priv, sta_id, tid, txq_id);
if (qc && likely(sta_id != IWL_INVALID_STATION))
iwl_txq_check_empty(priv, sta_id, tid, txq_id);
if (iwl_check_bits(status, TX_ABORT_REQUIRED_MSK))
IWL_ERR(priv, "TODO: Implement Tx ABORT REQUIRED!!!\n");