diff options
Diffstat (limited to 'drivers/scsi/isci/request.c')
| -rw-r--r-- | drivers/scsi/isci/request.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/scsi/isci/request.c b/drivers/scsi/isci/request.c index f4fbca7b1fa3..395084955150 100644 --- a/drivers/scsi/isci/request.c +++ b/drivers/scsi/isci/request.c @@ -2930,7 +2930,22 @@ static void isci_request_io_request_complete(struct isci_host *isci_host, break; } - isci_request_unmap_sgl(request, isci_host->pdev); + switch (task->task_proto) { + case SAS_PROTOCOL_SSP: + if (task->data_dir == DMA_NONE) + break; + if (task->num_scatter == 0) + /* 0 indicates a single dma address */ + dma_unmap_single(&isci_host->pdev->dev, + request->zero_scatter_daddr, + task->total_xfer_len, task->data_dir); + else /* unmap the sgl dma addresses */ + dma_unmap_sg(&isci_host->pdev->dev, task->scatter, + request->num_sg_entries, task->data_dir); + break; + default: + break; + } /* Put the completed request on the correct list */ isci_task_save_for_upper_layer_completion(isci_host, request, response, |