diff options
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_scsi.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index 3d35eae0147..8f45bbc4212 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -332,8 +332,7 @@ lpfc_scsi_prep_dma_buf(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd) * data bde entry. */ bpl += 2; - nseg = scsi_dma_map(scsi_cmnd); - if (nseg > 0) { + if (scsi_sg_count(scsi_cmnd)) { /* * The driver stores the segment count returned from pci_map_sg * because this a count of dma-mappings used to map the use_sg @@ -341,6 +340,11 @@ lpfc_scsi_prep_dma_buf(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd) * architectures that implement an IOMMU. */ + nseg = dma_map_sg(&phba->pcidev->dev, scsi_sglist(scsi_cmnd), + scsi_sg_count(scsi_cmnd), datadir); + if (unlikely(!nseg)) + return 1; + lpfc_cmd->seg_cnt = nseg; if (lpfc_cmd->seg_cnt > phba->cfg_sg_seg_cnt) { printk(KERN_ERR "%s: Too many sg segments from " @@ -370,8 +374,7 @@ lpfc_scsi_prep_dma_buf(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd) bpl++; num_bde++; } - } else if (nseg < 0) - return 1; + } /* * Finish initializing those IOCB fields that are dependent on the |