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[2/8,v2.6.32,and,w-t] iwlwifi: fix memory leak in command queue handling

Message ID 1253913868-8400-3-git-send-email-reinette.chatre@intel.com (mailing list archive)
State Not Applicable, archived
Headers show

Commit Message

Reinette Chatre Sept. 25, 2009, 9:24 p.m. UTC 
From: Reinette Chatre <reinette.chatre@intel.com>

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>
---
 drivers/net/wireless/iwlwifi/iwl-tx.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
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Patch

diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index ee0e26d..ad69479 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -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));
 }