[SCSI] scsi: sd, sr, st, and scsi_lib all fail to copy cmd_len to new cmd

This fixes an issue in scsi command initialization from a request
where sd, sr, st, and scsi_lib all fail to copy the request's
cmd_len to the scsi command's cmd_len field.

Signed-off-by: Timothy Thelin <timothy.thelin@wdc.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 863bb6495daa..f9026d08532a 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1268,6 +1268,7 @@ static int scsi_prep_fn(struct request_queue *q, struct request *req)
                         }
                 } else {
                         memcpy(cmd->cmnd, req->cmd, sizeof(cmd->cmnd));
+                        cmd->cmd_len = req->cmd_len;
                         if (rq_data_dir(req) == WRITE)
                                 cmd->sc_data_direction = DMA_TO_DEVICE;
                         else if (req->data_len)