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path: root/drivers/ata/libata-scsi.c
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Diffstat (limited to 'drivers/ata/libata-scsi.c')
-rw-r--r--drivers/ata/libata-scsi.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index c872b324dbd..4c32d93d44b 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -1451,6 +1451,7 @@ nothing_to_do:
static void ata_scsi_qc_complete(struct ata_queued_cmd *qc)
{
+ struct ata_port *ap = qc->ap;
struct scsi_cmnd *cmd = qc->scsicmd;
u8 *cdb = cmd->cmnd;
int need_sense = (qc->err_mask != 0);
@@ -1459,11 +1460,12 @@ static void ata_scsi_qc_complete(struct ata_queued_cmd *qc)
* schedule EH_REVALIDATE operation to update the IDENTIFY DEVICE
* cache
*/
- if (!need_sense && (qc->tf.command == ATA_CMD_SET_FEATURES) &&
+ if (ap->ops->error_handler &&
+ !need_sense && (qc->tf.command == ATA_CMD_SET_FEATURES) &&
((qc->tf.feature == SETFEATURES_WC_ON) ||
(qc->tf.feature == SETFEATURES_WC_OFF))) {
- qc->ap->eh_info.action |= ATA_EH_REVALIDATE;
- ata_port_schedule_eh(qc->ap);
+ ap->eh_info.action |= ATA_EH_REVALIDATE;
+ ata_port_schedule_eh(ap);
}
/* For ATA pass thru (SAT) commands, generate a sense block if
@@ -1490,8 +1492,8 @@ static void ata_scsi_qc_complete(struct ata_queued_cmd *qc)
}
}
- if (need_sense && !qc->ap->ops->error_handler)
- ata_dump_status(qc->ap->id, &qc->result_tf);
+ if (need_sense && !ap->ops->error_handler)
+ ata_dump_status(ap->id, &qc->result_tf);
qc->scsidone(cmd);
@@ -3347,20 +3349,23 @@ EXPORT_SYMBOL_GPL(ata_sas_slave_configure);
* @ap: ATA port to which the command is being sent
*
* RETURNS:
- * Zero.
+ * Return value from __ata_scsi_queuecmd() if @cmd can be queued,
+ * 0 otherwise.
*/
int ata_sas_queuecmd(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *),
struct ata_port *ap)
{
+ int rc = 0;
+
ata_scsi_dump_cdb(ap, cmd);
if (likely(ata_scsi_dev_enabled(ap->device)))
- __ata_scsi_queuecmd(cmd, done, ap->device);
+ rc = __ata_scsi_queuecmd(cmd, done, ap->device);
else {
cmd->result = (DID_BAD_TARGET << 16);
done(cmd);
}
- return 0;
+ return rc;
}
EXPORT_SYMBOL_GPL(ata_sas_queuecmd);