Re: [PATCH v3 1/1] scsi: ufs: fix LRB pointer incorrect initialization issue

[Bart Van Assche]

On 2020-03-09 09:10, huobean@xxxxxxxxx wrote:
> @@ -4834,6 +4829,7 @@ static void __ufshcd_transfer_req_compl(struct ufs_hba *hba,
>  			continue;
>  		cmd = blk_mq_rq_to_pdu(req);
>  		lrbp = scsi_cmd_priv(cmd);
> +		ufshcd_init_lrb(hba, lrbp, index);
>  		if (ufshcd_is_scsi(req)) {
>  			ufshcd_add_command_trace(hba, req, "complete");
>  			result = ufshcd_transfer_rsp_status(hba, lrbp);

This ufshcd_init_lrb() call looks incorrect to me. I think that
ufshcd_init_lrb() should only be called before a request is submitted to
the UFS controller and also that ufshcd_init_lrb() should not be called
from the completion path.

Thanks,

Bart.