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[SCSI] lpfc 8.3.42: Fix random errors using first burst

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Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
James Smart 2013-09-06 12:18:45 -04:00 committed by James Bottomley
parent 716d3bc503
commit 98bbf5f77f
1 changed files with 7 additions and 2 deletions
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9
drivers/scsi/lpfc/lpfc_scsi.c
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@ -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;
@ -4389,8 +4390,12 @@ 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)) {
piocbq->iocb.un.fcpi.fcpi_XRdy =
vport->cfg_first_burst_size;
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;
}
fcp_cmnd->fcpCntl3 = WRITE_DATA;
phba->fc4OutputRequests++;