--- libata-dev-2.6/drivers/scsi/libata-core.c	2005-03-31 21:20:17.000000000 +0800
+++ libata-dev-2.6-mod/drivers/scsi/libata-core.c	2005-04-01 11:21:22.000000000 +0800
@@ -952,7 +952,7 @@
 	unsigned int major_version;
 	u16 tmp;
 	unsigned long xfer_modes;
-	u8 status;
+	u8 status = 0;
 	unsigned int using_edd;
 	DECLARE_COMPLETION(wait);
 	struct ata_queued_cmd *qc;
@@ -995,6 +995,7 @@
 	}
 
 	qc->waiting = &wait;
+	qc->private_data = &status;
 	qc->complete_fn = ata_qc_complete_noop;
 
 	spin_lock_irqsave(&ap->host_set->lock, flags);
@@ -1006,7 +1007,6 @@
 	else
 		wait_for_completion(&wait);
 
-	status = ata_chk_status(ap);
 	if (status & ATA_ERR) {
 		/*
 		 * arg!  EDD works for all test cases, but seems to return
@@ -2496,8 +2496,7 @@
 	assert(qc != NULL);
 
 	drv_stat = ata_chk_status(ap);
-	printk(KERN_WARNING "ata%u: PIO error, drv_stat 0x%x\n",
-	       ap->id, drv_stat);
+	DPRINTK("ata%u: PIO error, drv_stat 0x%x\n", ap->id, drv_stat);
 
 	ap->pio_task_state = PIO_ST_IDLE;
 
@@ -2770,6 +2769,7 @@
 
 static int ata_qc_complete_noop(struct ata_queued_cmd *qc, u8 drv_stat)
 {
+	*((u8*)qc->private_data) = drv_stat;
 	return 0;
 }