[PATCH 2/3] iwl3945: add debugging for wrong command queue (F11 backport)

[Stanislaw Gruszka]

commit 638d0eb9197d1e285451f6594184fcfc9c2a5d44
Author: Chatre, Reinette <reinette.chatre(a)intel.com&gt;
Date:   Mon Jan 19 15:30:24 2009 -0800

    iwl3945: add debugging for wrong command queue

    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(a)intel.com&gt;
    Signed-off-by: John W. Linville <linville(a)tuxdriver.com&gt;
---
 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 8cb0fa2..5011a79 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -3349,7 +3349,14 @@ static void iwl3945_tx_cmd_complete(struct iwl3945_priv *priv,
 	int cmd_index;
 	struct iwl3945_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)) {
+		/* Not in F11: 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];
-- 
1.6.2.5