scsi: sun3_scsi: Use scsi_cmd_to_rq() instead of scsi_cmnd.request

Prepare for removal of the request pointer by using scsi_cmd_to_rq()
instead. This patch does not change any functionality.

Link: https://lore.kernel.org/r/20210809230355.8186-46-bvanassche@acm.org
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/sun3_scsi.c b/drivers/scsi/sun3_scsi.c
index 9ed0bb7ececed5e2114d4a4b4087a80b853af551..f7f724a3ff1d448c2d8e297b61a684fc43ef8dea 100644 (file)
--- a/drivers/scsi/sun3_scsi.c
+++ b/drivers/scsi/sun3_scsi.c
@@ -336,7 +336,7 @@ static int sun3scsi_dma_xfer_len(struct NCR5380_hostdata *hostdata,
 {
        int wanted_len = cmd->SCp.this_residual;
 
-       if (wanted_len < DMA_MIN_SIZE || blk_rq_is_passthrough(cmd->request))
+       if (wanted_len < DMA_MIN_SIZE || blk_rq_is_passthrough(scsi_cmd_to_rq(cmd)))
                return 0;
 
        return wanted_len;