diff options
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-3945.c | 10 |
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 9e6f9ec1a2b..ba7e720e73c 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++) { |