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| author | James Smart <james.smart@emulex.com> | 2013-09-06 16:18:45 (GMT) |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2013-09-10 23:12:00 (GMT) |
| commit | 98bbf5f77f47d7de9839285af50daa4407f5db71 (patch) | |
| tree | 61c110751d3e300642d9d936326d6e3f16224b31 | |
| parent | 716d3bc5030bf916b4eea15c7c00c95329f2cda4 (diff) | |
| download | linux-98bbf5f77f47d7de9839285af50daa4407f5db71.tar.xz | |
[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>
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_scsi.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index 1242b6c..49916a9 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -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++; |