[PATCH] libata: minor patch before moving err_mask

  - add qc to ata_pio_poll()
  - reorder the initialization of qc in ata_pio_complete()

Signed-off-by: Albert Lee <albertcc@tw.ibm.com>
===================
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>

diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index 11ed6fa..0a95956 100644 (file)
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -2802,10 +2802,14 @@ void ata_poll_qc_complete(struct ata_queued_cmd *qc, unsigned int err_mask)
 
 static unsigned long ata_pio_poll(struct ata_port *ap)
 {
+       struct ata_queued_cmd *qc;
        u8 status;
        unsigned int poll_state = HSM_ST_UNKNOWN;
        unsigned int reg_state = HSM_ST_UNKNOWN;
 
+       qc = ata_qc_from_tag(ap, ap->active_tag);
+       assert(qc != NULL);
+
        switch (ap->hsm_task_state) {
        case HSM_ST:
        case HSM_ST_POLL:
@@ -2870,15 +2874,15 @@ static int ata_pio_complete (struct ata_port *ap)
                }
        }
 
+       qc = ata_qc_from_tag(ap, ap->active_tag);
+       assert(qc != NULL);
+
        drv_stat = ata_wait_idle(ap);
        if (!ata_ok(drv_stat)) {
                ap->hsm_task_state = HSM_ST_ERR;
                return 0;
        }
 
-       qc = ata_qc_from_tag(ap, ap->active_tag);
-       assert(qc != NULL);
-
        ap->hsm_task_state = HSM_ST_IDLE;
 
        ata_poll_qc_complete(qc, 0);