[PATCH] libata: determine the err_mask directly in atapi_packet_task()

  - set qc->err_mask directly when we found the error
  - remove the code to determine err_mask from device status

Signed-off-by: Albert Lee <albertcc@tw.ibm.com>

============
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>

1 files changed, 7 insertions, 6 deletions

diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index cc003f2c6d9b..b3aedb033465 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -4083,13 +4083,17 @@ static void atapi_packet_task(void *_data)
 
         /* sleep-wait for BSY to clear */
         DPRINTK("busy wait\n");
-        if (ata_busy_sleep(ap, ATA_TMOUT_CDB_QUICK, ATA_TMOUT_CDB))
-                goto err_out_status;
+        if (ata_busy_sleep(ap, ATA_TMOUT_CDB_QUICK, ATA_TMOUT_CDB)) {
+                qc->err_mask |= AC_ERR_ATA_BUS;
+                goto err_out;
+        }
 
         /* make sure DRQ is set */
         status = ata_chk_status(ap);
-        if ((status & (ATA_BUSY | ATA_DRQ)) != ATA_DRQ)
+        if ((status & (ATA_BUSY | ATA_DRQ)) != ATA_DRQ) {
+                qc->err_mask |= AC_ERR_ATA_BUS;
                 goto err_out;
+        }
 
         /* send SCSI cdb */
         DPRINTK("send cdb\n");
@@ -4121,10 +4125,7 @@ static void atapi_packet_task(void *_data)
 
         return;
 
-err_out_status:
-        status = ata_chk_status(ap);
 err_out:
-        qc->err_mask |= __ac_err_mask(status);
         ata_poll_qc_complete(qc);
 }