RE: [PATCH v1] scsi: ufs: use an generic error code in ufshcd_set_dev_pwr_mode

["Kiwoong Kim" <kwmad.kim@xxxxxxxxxxx>]

> I think that scsi_execute() can return a negative value. From
> __scsi_execute():
> 
> 	req = scsi_alloc_request(sdev->request_queue,
> 			data_direction == DMA_TO_DEVICE ?
> 			REQ_OP_DRV_OUT : REQ_OP_DRV_IN,
> 			rq_flags & RQF_PM ? BLK_MQ_REQ_PM : 0);
> 	if (IS_ERR(req))
> 		return PTR_ERR(req);
> 
> As you probably know PTR_ERR() returns a negative error code if IS_ERR()
> returns true.

Right, Thanks.