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Commit 98bbf5f7 authored by James Smart's avatar James Smart Committed by James Bottomley
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[SCSI] lpfc 8.3.42: Fix random errors using first burst 



Signed-off-by: default avatarJames Smart <james.smart@emulex.com>
Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
parent 716d3bc5

drivers/scsi/lpfc/lpfc_scsi.c

+7 −2
Original line number Diff line number Diff line
@@ -4342,6 +4342,7 @@ lpfc_scsi_prep_cmnd(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd, 
	char tag[2];

	uint8_t *ptr;

	bool sli4;

	uint32_t fcpdl;



	if (!pnode || !NLP_CHK_NODE_ACT(pnode))

		return;
@@ -4389,6 +4390,10 @@ lpfc_scsi_prep_cmnd(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd, 
			iocb_cmd->ulpPU = PARM_READ_CHECK;

			if (vport->cfg_first_burst_size &&

			    (pnode->nlp_flag & NLP_FIRSTBURST)) {

				fcpdl = scsi_bufflen(scsi_cmnd);

				if (fcpdl < vport->cfg_first_burst_size)

					piocbq->iocb.un.fcpi.fcpi_XRdy = fcpdl;

				else

					piocbq->iocb.un.fcpi.fcpi_XRdy =

						vport->cfg_first_burst_size;

			}