Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

[pandora-kernel.git] / drivers / net / wireless / iwlwifi / iwl-agn-tx.c

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
index 2816b43..494de0e 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
@@ -1236,12 +1236,16 @@ int iwlagn_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index)
             q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd)) {
 
                tx_info = &txq->txb[txq->q.read_ptr];
-               iwlagn_tx_status(priv, tx_info,
-                                txq_id >= IWLAGN_FIRST_AMPDU_QUEUE);
+
+               if (WARN_ON_ONCE(tx_info->skb == NULL))
+                       continue;
 
                hdr = (struct ieee80211_hdr *)tx_info->skb->data;
-               if (hdr && ieee80211_is_data_qos(hdr->frame_control))
+               if (ieee80211_is_data_qos(hdr->frame_control))
                        nfreed++;
+
+               iwlagn_tx_status(priv, tx_info,
+                                txq_id >= IWLAGN_FIRST_AMPDU_QUEUE);
                tx_info->skb = NULL;
 
                if (priv->cfg->ops->lib->txq_inval_byte_cnt_tbl)