diff options
Diffstat (limited to 'drivers/scsi/libsas')
| -rw-r--r-- | drivers/scsi/libsas/sas_discover.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/scsi/libsas/sas_discover.c b/drivers/scsi/libsas/sas_discover.c index a18c0f6d6668..4d768db1b567 100644 --- a/drivers/scsi/libsas/sas_discover.c +++ b/drivers/scsi/libsas/sas_discover.c @@ -110,6 +110,13 @@ static int sas_execute_task(struct sas_task *task, void *buffer, int size, task->total_xfer_len = size; task->data_dir = pci_dma_dir; task->task_done = sas_disc_task_done; + if (pci_dma_dir != PCI_DMA_NONE && + sas_protocol_ata(task->task_proto)) { + task->num_scatter = pci_map_sg(task->dev->port->ha->pcidev, + task->scatter, + task->num_scatter, + task->data_dir); + } for (retries = 0; retries < 5; retries++) { task->task_state_flags = SAS_TASK_STATE_PENDING; @@ -192,8 +199,13 @@ static int sas_execute_task(struct sas_task *task, void *buffer, int size, } } ex_err: - if (pci_dma_dir != PCI_DMA_NONE) + if (pci_dma_dir != PCI_DMA_NONE) { + if (sas_protocol_ata(task->task_proto)) + pci_unmap_sg(task->dev->port->ha->pcidev, + task->scatter, task->num_scatter, + task->data_dir); kfree(scatter); + } out: return res; } |