[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>

1 files changed, 7 insertions, 3 deletions

diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index 11ed6fa27096..0a959566f964 100644
--- 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);