blk_get_request sets the cmd_flags, so we should not and do not
need to set them. If we did set them to a different value then
it can cause a oops in the elevator code.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>

diff --git a/drivers/scsi/device_handler/scsi_dh_emc.c b/drivers/scsi/device_handler/scsi_dh_emc.c
index 63032ec..2752892 100644
--- a/drivers/scsi/device_handler/scsi_dh_emc.c
+++ b/drivers/scsi/device_handler/scsi_dh_emc.c
@@ -284,13 +284,11 @@ static struct request *get_req(struct scsi_device *sdev, int cmd,
 	switch (cmd) {
 	case MODE_SELECT:
 		len = sizeof(short_trespass);
-		rq->cmd_flags |= REQ_RW;
 		rq->cmd[1] = 0x10;
 		rq->cmd[4] = len;
 		break;
 	case MODE_SELECT_10:
 		len = sizeof(long_trespass);
-		rq->cmd_flags |= REQ_RW;
 		rq->cmd[1] = 0x10;
 		rq->cmd[8] = len;
 		break;