diff options
Diffstat (limited to 'drivers/firewire')
-rw-r--r-- | drivers/firewire/fw-sbp2.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/firewire/fw-sbp2.c b/drivers/firewire/fw-sbp2.c index 7c53be0387fb..fc984474162c 100644 --- a/drivers/firewire/fw-sbp2.c +++ b/drivers/firewire/fw-sbp2.c @@ -840,7 +840,6 @@ complete_command_orb(struct sbp2_orb *base_orb, struct sbp2_status *status) container_of(base_orb, struct sbp2_command_orb, base); struct fw_unit *unit = orb->unit; struct fw_device *device = fw_device(unit->device.parent); - struct scatterlist *sg; int result; if (status != NULL) { @@ -876,11 +875,10 @@ complete_command_orb(struct sbp2_orb *base_orb, struct sbp2_status *status) dma_unmap_single(device->card->device, orb->base.request_bus, sizeof(orb->request), DMA_TO_DEVICE); - if (orb->cmd->use_sg > 0) { - sg = (struct scatterlist *)orb->cmd->request_buffer; - dma_unmap_sg(device->card->device, sg, orb->cmd->use_sg, + if (scsi_sg_count(orb->cmd) > 0) + dma_unmap_sg(device->card->device, scsi_sglist(orb->cmd), + scsi_sg_count(orb->cmd), orb->cmd->sc_data_direction); - } if (orb->page_table_bus != 0) dma_unmap_single(device->card->device, orb->page_table_bus, @@ -901,8 +899,8 @@ static int sbp2_command_orb_map_scatterlist(struct sbp2_command_orb *orb) int sg_len, l, i, j, count; dma_addr_t sg_addr; - sg = (struct scatterlist *)orb->cmd->request_buffer; - count = dma_map_sg(device->card->device, sg, orb->cmd->use_sg, + sg = scsi_sglist(orb->cmd); + count = dma_map_sg(device->card->device, sg, scsi_sg_count(orb->cmd), orb->cmd->sc_data_direction); if (count == 0) goto fail; @@ -971,7 +969,7 @@ static int sbp2_command_orb_map_scatterlist(struct sbp2_command_orb *orb) return 0; fail_page_table: - dma_unmap_sg(device->card->device, sg, orb->cmd->use_sg, + dma_unmap_sg(device->card->device, sg, scsi_sg_count(orb->cmd), orb->cmd->sc_data_direction); fail: return -ENOMEM; @@ -1031,7 +1029,7 @@ static int sbp2_scsi_queuecommand(struct scsi_cmnd *cmd, scsi_done_fn_t done) orb->request.misc |= COMMAND_ORB_DIRECTION(SBP2_DIRECTION_TO_MEDIA); - if (cmd->use_sg && sbp2_command_orb_map_scatterlist(orb) < 0) + if (scsi_sg_count(cmd) && sbp2_command_orb_map_scatterlist(orb) < 0) goto fail_mapping; fw_memcpy_to_be32(&orb->request, &orb->request, sizeof(orb->request)); |