[SCSI] wd33c93: convert to accessors and !use_sg cleanup

 - convert to accessors and !use_sg cleanup

Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

diff --git a/drivers/scsi/wd33c93.c b/drivers/scsi/wd33c93.c
index fdbb92d1f72259aa72f82f90689b072fda504c2a..f286c37da7e0dfb51fc44435c4c54d0a6120ba28 100644 (file)
--- a/drivers/scsi/wd33c93.c
+++ b/drivers/scsi/wd33c93.c
@@ -407,16 +407,16 @@ wd33c93_queuecommand(struct scsi_cmnd *cmd,
  *  - SCp.phase records this command's SRCID_ER bit setting
  */
 
-       if (cmd->use_sg) {
-               cmd->SCp.buffer = (struct scatterlist *) cmd->request_buffer;
-               cmd->SCp.buffers_residual = cmd->use_sg - 1;
+       if (scsi_bufflen(cmd)) {
+               cmd->SCp.buffer = scsi_sglist(cmd);
+               cmd->SCp.buffers_residual = scsi_sg_count(cmd) - 1;
                cmd->SCp.ptr = sg_virt(cmd->SCp.buffer);
                cmd->SCp.this_residual = cmd->SCp.buffer->length;
        } else {
                cmd->SCp.buffer = NULL;
                cmd->SCp.buffers_residual = 0;
-               cmd->SCp.ptr = (char *) cmd->request_buffer;
-               cmd->SCp.this_residual = cmd->request_bufflen;
+               cmd->SCp.ptr = NULL;
+               cmd->SCp.this_residual = 0;
        }
 
 /* WD docs state that at the conclusion of a "LEVEL2" command, the