ata: libata-sata: simplify ata_sas_queuecmd()

Change ata_sas_queuecmd() to return early the result of
__ata_scsi_queuecmd() and remove the rc local variable.
This simplifies the code without any functional change.

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

Author: damien-lemoal

drivers/ata/libata-sata.c

@@ -1378,15 +1378,13 @@ EXPORT_SYMBOL_GPL(ata_sas_sdev_configure);
 
 int ata_sas_queuecmd(struct scsi_cmnd *cmd, struct ata_port *ap)
 {
-	int rc = 0;
-
 	if (likely(ata_dev_enabled(ap->link.device)))
-		rc = __ata_scsi_queuecmd(cmd, ap->link.device);
-	else {
-		cmd->result = (DID_BAD_TARGET << 16);
-		scsi_done(cmd);
-	}
-	return rc;
+		return __ata_scsi_queuecmd(cmd, ap->link.device);
+
+	cmd->result = (DID_BAD_TARGET << 16);
+	scsi_done(cmd);
+
+	return 0;
 }
 EXPORT_SYMBOL_GPL(ata_sas_queuecmd);