[SCSI] lpfc 8.3.42: Fix random errors using first burst
Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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@ -4342,6 +4342,7 @@ lpfc_scsi_prep_cmnd(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd,
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char tag[2];
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uint8_t *ptr;
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bool sli4;
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uint32_t fcpdl;
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if (!pnode || !NLP_CHK_NODE_ACT(pnode))
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return;
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@ -4389,8 +4390,12 @@ lpfc_scsi_prep_cmnd(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd,
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iocb_cmd->ulpPU = PARM_READ_CHECK;
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if (vport->cfg_first_burst_size &&
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(pnode->nlp_flag & NLP_FIRSTBURST)) {
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piocbq->iocb.un.fcpi.fcpi_XRdy =
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vport->cfg_first_burst_size;
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fcpdl = scsi_bufflen(scsi_cmnd);
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if (fcpdl < vport->cfg_first_burst_size)
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piocbq->iocb.un.fcpi.fcpi_XRdy = fcpdl;
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else
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piocbq->iocb.un.fcpi.fcpi_XRdy =
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vport->cfg_first_burst_size;
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}
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fcp_cmnd->fcpCntl3 = WRITE_DATA;
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phba->fc4OutputRequests++;
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