diff options
| -rw-r--r-- | drivers/scsi/pmcraid.c | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c index 3ba606420247..401e543f1723 100644 --- a/drivers/scsi/pmcraid.c +++ b/drivers/scsi/pmcraid.c @@ -846,16 +846,9 @@ static void pmcraid_erp_done(struct pmcraid_cmd *cmd) cmd->ioa_cb->ioarcb.cdb[0], ioasc); } - /* if we had allocated sense buffers for request sense, copy the sense - * release the buffers - */ - if (cmd->sense_buffer != NULL) { - memcpy(scsi_cmd->sense_buffer, - cmd->sense_buffer, - SCSI_SENSE_BUFFERSIZE); - pci_free_consistent(pinstance->pdev, - SCSI_SENSE_BUFFERSIZE, - cmd->sense_buffer, cmd->sense_buffer_dma); + if (cmd->sense_buffer) { + dma_unmap_single(&pinstance->pdev->dev, cmd->sense_buffer_dma, + SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE); cmd->sense_buffer = NULL; cmd->sense_buffer_dma = 0; } @@ -2444,13 +2437,12 @@ static void pmcraid_request_sense(struct pmcraid_cmd *cmd) { struct pmcraid_ioarcb *ioarcb = &cmd->ioa_cb->ioarcb; struct pmcraid_ioadl_desc *ioadl = ioarcb->add_data.u.ioadl; + struct device *dev = &cmd->drv_inst->pdev->dev; - /* allocate DMAable memory for sense buffers */ - cmd->sense_buffer = pci_alloc_consistent(cmd->drv_inst->pdev, - SCSI_SENSE_BUFFERSIZE, - &cmd->sense_buffer_dma); - - if (cmd->sense_buffer == NULL) { + cmd->sense_buffer = cmd->scsi_cmd->sense_buffer; + cmd->sense_buffer_dma = dma_map_single(dev, cmd->sense_buffer, + SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE); + if (dma_mapping_error(dev, cmd->sense_buffer_dma)) { pmcraid_err ("couldn't allocate sense buffer for request sense\n"); pmcraid_erp_done(cmd); |