iwlwifi: memory allocation optimization

This patch optimizes memory allocation. The cmd member of
iwl_tx_queue was allocated previously as a continuous block
of memory. This patch allocates separate memory chunks for each command
and maps/unmaps these chunks in the run time.

Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-hcmd.c b/drivers/net/wireless/iwlwifi/iwl-hcmd.c
index 8fa991b7202a..6512834bb916 100644
--- a/drivers/net/wireless/iwlwifi/iwl-hcmd.c
+++ b/drivers/net/wireless/iwlwifi/iwl-hcmd.c
@@ -228,7 +228,7 @@ cancel:
                  * TX cmd queue. Otherwise in case the cmd comes
                  * in later, it will possibly set an invalid
                  * address (cmd->meta.source). */
-                qcmd = &priv->txq[IWL_CMD_QUEUE_NUM].cmd[cmd_idx];
+                qcmd = priv->txq[IWL_CMD_QUEUE_NUM].cmd[cmd_idx];
                 qcmd->meta.flags &= ~CMD_WANT_SKB;
         }
 fail: