scsi: libsas: Call scsi_done() directly

Conditional statements are faster than indirect calls. Hence call
scsi_done() directly.

Link: https://lore.kernel.org/r/[e-mail]
Reviewed-by: John Garry <[e-mail]>
Signed-off-by: Bart Van Assche <[e-mail]>
Signed-off-by: Martin K. Petersen <[e-mail]>

drivers/scsi/libsas/sas_scsi_host.c

···
 	}
 
 	sas_end_task(sc, task);
-	sc->scsi_done(sc);
+	scsi_done(sc);
 }
 
 static struct sas_task *sas_create_task(struct scsi_cmnd *cmd,
···
 	else
 		cmd->result = DID_ERROR << 16;
 out_done:
-	cmd->scsi_done(cmd);
+	scsi_done(cmd);
 	return 0;
 }
 EXPORT_SYMBOL_GPL(sas_queuecommand);