ata: libata-scsi: rename and improve ata_qc_done()

Rename ata_qc_done() to ata_scsi_qc_done() and allow to pass a scsi
command result value to set for the completed command to simplify the
caller sites.

No functional changes.

Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Hannes Reinecke <hare@suse.de>

Author: damien-lemoal

drivers/ata/libata-scsi.c

@@ -1649,12 +1649,16 @@ static unsigned int ata_scsi_rw_xlat(struct ata_queued_cmd *qc)
 	return 1;
 }
 
-static void ata_qc_done(struct ata_queued_cmd *qc)
+static void ata_scsi_qc_done(struct ata_queued_cmd *qc, bool set_result,
+			     u32 scmd_result)
 {
 	struct scsi_cmnd *cmd = qc->scsicmd;
 	void (*done)(struct scsi_cmnd *) = qc->scsidone;
 
 	ata_qc_free(qc);
+
+	if (set_result)
+		cmd->result = scmd_result;
 	done(cmd);
 }
 
@@ -1693,12 +1697,10 @@ void ata_scsi_requeue_deferred_qc(struct ata_port *ap)
 	 * do not try to be smart about what to do with this deferred command
 	 * and simply retry it by completing it with DID_SOFT_ERROR.
 	 */
-	if (!qc)
-		return;
-
-	ap->deferred_qc = NULL;
-	qc->scsicmd->result = (DID_SOFT_ERROR << 16);
-	ata_qc_done(qc);
+	if (qc) {
+		ap->deferred_qc = NULL;
+		ata_scsi_qc_done(qc, true, DID_SOFT_ERROR << 16);
+	}
 }
 
 static void ata_scsi_schedule_deferred_qc(struct ata_port *ap)
@@ -1754,7 +1756,7 @@ static void ata_scsi_qc_complete(struct ata_queued_cmd *qc)
 		ata_scsi_set_sense_information(qc);
 	}
 
-	ata_qc_done(qc);
+	ata_scsi_qc_done(qc, false, 0);
 
 	ata_scsi_schedule_deferred_qc(ap);
 }
@@ -2913,17 +2915,15 @@ static void atapi_qc_complete(struct ata_queued_cmd *qc)
 		if (qc->cdb[0] == ALLOW_MEDIUM_REMOVAL && qc->dev->sdev)
 			qc->dev->sdev->locked = 0;
 
-		qc->scsicmd->result = SAM_STAT_CHECK_CONDITION;
-		ata_qc_done(qc);
+		ata_scsi_qc_done(qc, true, SAM_STAT_CHECK_CONDITION);
 		return;
 	}
 
 	/* successful completion path */
 	if (cmd->cmnd[0] == INQUIRY && (cmd->cmnd[1] & 0x03) == 0)
 		atapi_fixup_inquiry(cmd);
-	cmd->result = SAM_STAT_GOOD;
 
-	ata_qc_done(qc);
+	ata_scsi_qc_done(qc, true, SAM_STAT_GOOD);
 }
 /**
  *	atapi_xlat - Initialize PACKET taskfile