iwlwifi: print packet contents in error case

This data is more useful to debugging that the receive
buffer contents.
Signed-off-by: NReinette Chatre <reinette.chatre@intel.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/iwlwifi/iwl-tx.c

@@ -1132,7 +1132,7 @@ void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb)
 		  txq_id, sequence,
 		  priv->txq[IWL_CMD_QUEUE_NUM].q.read_ptr,
 		  priv->txq[IWL_CMD_QUEUE_NUM].q.write_ptr)) {
-		iwl_print_hex_error(priv, rxb, 32);
+		iwl_print_hex_error(priv, pkt, 32);
 		return;
 	}