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path: root/drivers/scsi/ibmvscsi/ibmvscsi.c
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Diffstat (limited to 'drivers/scsi/ibmvscsi/ibmvscsi.c')
-rw-r--r--drivers/scsi/ibmvscsi/ibmvscsi.c29
1 files changed, 2 insertions, 27 deletions
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index ff5ec5ac1fb5..88bad0e81bdd 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -323,16 +323,6 @@ static void set_srp_direction(struct scsi_cmnd *cmd,
srp_cmd->buf_fmt = fmt;
}
-static void unmap_sg_list(int num_entries,
- struct device *dev,
- struct srp_direct_buf *md)
-{
- int i;
-
- for (i = 0; i < num_entries; ++i)
- dma_unmap_single(dev, md[i].va, md[i].len, DMA_BIDIRECTIONAL);
-}
-
/**
* unmap_cmd_data: - Unmap data pointed in srp_cmd based on the format
* @cmd: srp_cmd whose additional_data member will be unmapped
@@ -350,24 +340,9 @@ static void unmap_cmd_data(struct srp_cmd *cmd,
if (out_fmt == SRP_NO_DATA_DESC && in_fmt == SRP_NO_DATA_DESC)
return;
- else if (out_fmt == SRP_DATA_DESC_DIRECT ||
- in_fmt == SRP_DATA_DESC_DIRECT) {
- struct srp_direct_buf *data =
- (struct srp_direct_buf *) cmd->add_data;
- dma_unmap_single(dev, data->va, data->len, DMA_BIDIRECTIONAL);
- } else {
- struct srp_indirect_buf *indirect =
- (struct srp_indirect_buf *) cmd->add_data;
- int num_mapped = indirect->table_desc.len /
- sizeof(struct srp_direct_buf);
- if (num_mapped <= MAX_INDIRECT_BUFS) {
- unmap_sg_list(num_mapped, dev, &indirect->desc_list[0]);
- return;
- }
-
- unmap_sg_list(num_mapped, dev, evt_struct->ext_list);
- }
+ if (evt_struct->cmnd)
+ scsi_dma_unmap(evt_struct->cmnd);
}
static int map_sg_list(struct scsi_cmnd *cmd, int nseg,