1 files changed, 9 insertions, 18 deletions

diff --git a/drivers/scsi/libata-scsi.c b/drivers/scsi/libata-scsi.c
index ec628cea386e..28706521773c 100644
--- a/drivers/scsi/libata-scsi.c
+++ b/drivers/scsi/libata-scsi.c
@@ -546,12 +546,6 @@ void ata_gen_ata_desc_sense(struct ata_queued_cmd *qc)
         cmd->result = (DRIVER_SENSE << 24) | SAM_STAT_CHECK_CONDITION;
 
         /*
-         * Read the controller registers.
-         */
-        WARN_ON(qc->ap->ops->tf_read == NULL);
-        qc->ap->ops->tf_read(qc->ap, tf);
-
-        /*
          * Use ata_to_sense_error() to map status register bits
          * onto sense key, asc & ascq.
          */
@@ -622,12 +616,6 @@ void ata_gen_fixed_sense(struct ata_queued_cmd *qc)
         cmd->result = (DRIVER_SENSE << 24) | SAM_STAT_CHECK_CONDITION;
 
         /*
-         * Read the controller registers.
-         */
-        WARN_ON(qc->ap->ops->tf_read == NULL);
-        qc->ap->ops->tf_read(qc->ap, tf);
-
-        /*
          * Use ata_to_sense_error() to map status register bits
          * onto sense key, asc & ascq.
          */
@@ -1337,11 +1325,14 @@ static void ata_scsi_qc_complete(struct ata_queued_cmd *qc)
          */
         if (((cdb[0] == ATA_16) || (cdb[0] == ATA_12)) &&
             ((cdb[2] & 0x20) || need_sense)) {
+                qc->ap->ops->tf_read(qc->ap, &qc->tf);
                 ata_gen_ata_desc_sense(qc);
         } else {
                 if (!need_sense) {
                         cmd->result = SAM_STAT_GOOD;
                 } else {
+                        qc->ap->ops->tf_read(qc->ap, &qc->tf);
+
                         /* TODO: decide which descriptor format to use
                          * for 48b LBA devices and call that here
                          * instead of the fixed desc, which is only
@@ -2133,13 +2124,15 @@ void ata_scsi_badcmd(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *), u8
 
 static void atapi_sense_complete(struct ata_queued_cmd *qc)
 {
-        if (qc->err_mask && ((qc->err_mask & AC_ERR_DEV) == 0))
+        if (qc->err_mask && ((qc->err_mask & AC_ERR_DEV) == 0)) {
                 /* FIXME: not quite right; we don't want the
                  * translation of taskfile registers into
                  * a sense descriptors, since that's only
                  * correct for ATA, not ATAPI
                  */
+                qc->ap->ops->tf_read(qc->ap, &qc->tf);
                 ata_gen_ata_desc_sense(qc);
+        }
 
         qc->scsidone(qc->scsicmd);
         ata_qc_free(qc);
@@ -2207,17 +2200,15 @@ static void atapi_qc_complete(struct ata_queued_cmd *qc)
                 cmd->result = SAM_STAT_CHECK_CONDITION;
                 atapi_request_sense(qc);
                 return;
-        }
-
-        else if (unlikely(err_mask))
+        } else if (unlikely(err_mask)) {
                 /* FIXME: not quite right; we don't want the
                  * translation of taskfile registers into
                  * a sense descriptors, since that's only
                  * correct for ATA, not ATAPI
                  */
+                qc->ap->ops->tf_read(qc->ap, &qc->tf);
                 ata_gen_ata_desc_sense(qc);
-
-        else {
+        } else {
                 u8 *scsicmd = cmd->cmnd;
 
                 if ((scsicmd[0] == INQUIRY) && ((scsicmd[1] & 0x03) == 0)) {