iwlwifi: fix memory leak in command queue handling

Also free the array of command pointers and meta data of each
command buffer when command queue is freed.

Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Reinette Chatre 2009-09-25 14:24:22 -07:00 committed by John W. Linville
parent 2fac9717a0
commit 2814298639

View File

@ -197,6 +197,12 @@ void iwl_cmd_queue_free(struct iwl_priv *priv)
pci_free_consistent(dev, priv->hw_params.tfd_size *
txq->q.n_bd, txq->tfds, txq->q.dma_addr);
/* deallocate arrays */
kfree(txq->cmd);
kfree(txq->meta);
txq->cmd = NULL;
txq->meta = NULL;
/* 0-fill queue descriptor structure */
memset(txq, 0, sizeof(*txq));
}