iwlwifi: get some more information about command failure

This patch adds additional info about wrong command queue bug

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
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 725f62fce7a5d65a4de3a38123038cfbcd469bc4..166f0001e01d00ca5d3cfdd1df7a8d3119572371 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -1260,8 +1260,13 @@ void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb)
         * command queue then there a command routing bug has been introduced
         * in the queue management code. */
        if (WARN(txq_id != IWL_CMD_QUEUE_NUM,
-                "wrong command queue %d, command id 0x%X\n", txq_id, pkt->hdr.cmd))
+                "wrong command queue %d, sequence 0x%X readp=%d writep=%d\n",
+                 txq_id, sequence,
+                 priv->txq[IWL_CMD_QUEUE_NUM].q.read_ptr,
+                 priv->txq[IWL_CMD_QUEUE_NUM].q.write_ptr)) {
+               iwl_print_hex_dump(priv, IWL_DL_INFO , rxb, 32);
                return;
+       }
 
        cmd_index = get_cmd_index(&priv->txq[IWL_CMD_QUEUE_NUM].q, index, huge);
        cmd = priv->txq[IWL_CMD_QUEUE_NUM].cmd[cmd_index];