1 files changed, 9 insertions, 1 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index 9e6f9ec1a2b8..ba7e720e73c1 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -741,7 +741,8 @@ int iwl3945_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv,
 void iwl3945_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl_tx_queue *txq)
 {
         struct iwl3945_tfd *tfd_tmp = (struct iwl3945_tfd *)txq->tfds;
-        struct iwl3945_tfd *tfd = &tfd_tmp[txq->q.read_ptr];
+        int index = txq->q.read_ptr;
+        struct iwl3945_tfd *tfd = &tfd_tmp[index];
         struct pci_dev *dev = priv->pci_dev;
         int i;
         int counter;
@@ -759,6 +760,13 @@ void iwl3945_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl_tx_queue *txq)
                 return;
         }
 
+        /* Unmap tx_cmd */
+        if (counter)
+                pci_unmap_single(dev,
+                                pci_unmap_addr(&txq->cmd[index]->meta, mapping),
+                                pci_unmap_len(&txq->cmd[index]->meta, len),
+                                PCI_DMA_TODEVICE);
+
         /* unmap chunks if any */
 
         for (i = 1; i < counter; i++) {