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>
diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index a7422e5..c189075 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -197,6 +197,12 @@
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));
}