[PATCH 16/32] imm.c: convert to accessors and !use_sg cleanup

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 - convert to accessors and !use_sg cleanup
 - Not ready for sg-chaining

Signed-off-by: Boaz Harrosh <bharrosh@xxxxxxxxxxx>
---
 drivers/scsi/imm.c |   13 +++++--------
 1 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/drivers/scsi/imm.c b/drivers/scsi/imm.c
index 74cdc1f..84bcc1d 100644
--- a/drivers/scsi/imm.c
+++ b/drivers/scsi/imm.c
@@ -839,21 +839,18 @@ static int imm_engine(imm_struct *dev, struct scsi_cmnd *cmd)
 
 		/* Phase 4 - Setup scatter/gather buffers */
 	case 4:
-		if (cmd->use_sg) {
-			/* if many buffers are available, start filling the first */
-			cmd->SCp.buffer =
-			    (struct scatterlist *) cmd->request_buffer;
+		if (scsi_bufflen(cmd)) {
+			cmd->SCp.buffer = scsi_sglist(cmd);
 			cmd->SCp.this_residual = cmd->SCp.buffer->length;
 			cmd->SCp.ptr =
 			    page_address(cmd->SCp.buffer->page) +
 			    cmd->SCp.buffer->offset;
 		} else {
-			/* else fill the only available buffer */
 			cmd->SCp.buffer = NULL;
-			cmd->SCp.this_residual = cmd->request_bufflen;
-			cmd->SCp.ptr = cmd->request_buffer;
+			cmd->SCp.this_residual = 0;
+			cmd->SCp.ptr = NULL;
 		}
-		cmd->SCp.buffers_residual = cmd->use_sg - 1;
+		cmd->SCp.buffers_residual = scsi_sg_count(cmd) - 1;
 		cmd->SCp.phase++;
 		if (cmd->SCp.this_residual & 0x01)
 			cmd->SCp.this_residual++;
-- 
1.5.3.1


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