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authorWey-Yi Guy <wey-yi.w.guy@intel.com>2010-04-08 13:17:37 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2010-04-26 07:41:23 -0700
commit485f88310f3216db5bbbfadaf8bb5049ea606f86 (patch)
treeec396d85de737ed3a477fd737768bc0dc6824847 /drivers
parent8a832806f94a204b9ddc9010fe8ddf15f7ad842f (diff)
iwlwifi: need check for valid qos packet before free
commit ece6444c2fe80dab679beb5f0d58b091f1933b00 upstream. 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> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-4965.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index f0d050cca517..fc75f5060c6b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -2134,7 +2134,9 @@ 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) &&
@@ -2161,14 +2163,17 @@ 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");