iwlwifi: fix memory leak in command queue handling
Reinette Chatre [Fri, 25 Sep 2009 21:24:22 +0000 (14:24 -0700)]
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>

drivers/net/wireless/iwlwifi/iwl-tx.c

index a7422e5..c189075 100644 (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));
 }