[PATCH 04/15] iwl3945: add debugging for wrong command queue

[Reinette Chatre <reinette.chatre@intel.com>]

From: Chatre, Reinette <reinette.chatre@intel.com>

We encountered a problem related to this BUG and need to obtain more
debugging information. See bug report at
http://marc.info/?l=linux-wireless&m=123147215829854&w=2

Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
---
 drivers/net/wireless/iwlwifi/iwl3945-base.c |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index b033650..4e581f5 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -3060,7 +3060,14 @@ static void iwl3945_tx_cmd_complete(struct iwl_priv *priv,
 	int cmd_index;
 	struct iwl_cmd *cmd;
 
-	BUG_ON(txq_id != IWL_CMD_QUEUE_NUM);
+	if (WARN(txq_id != IWL_CMD_QUEUE_NUM,
+		 "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];
-- 
1.5.4.3