scsi: esas2r: Call scsi_done() directly

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

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

drivers/scsi/esas2r/esas2r_main.c

···
 
 	if (unlikely(test_bit(AF_DEGRADED_MODE, &a->flags))) {
 		cmd->result = DID_NO_CONNECT << 16;
-		cmd->scsi_done(cmd);
+		scsi_done(cmd);
 		return 0;
 	}
 
···
 
 		scsi_set_resid(cmd, 0);
 
-		cmd->scsi_done(cmd);
+		scsi_done(cmd);
 
 		return SUCCESS;
 	}
···
 
 	scsi_set_resid(cmd, 0);
 
-	cmd->scsi_done(cmd);
+	scsi_done(cmd);
 
 	return SUCCESS;
 }
···
 			scsi_set_resid(rq->cmd, 0);
 	}
 
-	rq->cmd->scsi_done(rq->cmd);
+	scsi_done(rq->cmd);
 
 	esas2r_free_request(a, rq);
 }