On Fri, Jul 11, 2014 at 02:10:26PM +0800, Kevin Hao wrote: > static struct ata_queued_cmd *ata_qc_new(struct ata_port *ap) > { > struct ata_queued_cmd *qc = NULL; > - unsigned int i, tag; > + unsigned int i, tag, max_queue; > + > + max_queue = ap->scsi_host->can_queue; > + WARN_ON_ONCE(max_queue > ATA_MAX_QUEUE); Let's move the WARN_ON_ONCE() to ata_host_register(). Also, let's please update the function comment explaining why we're allocating tags the way we do. Other than that, it looks good to me. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html