There are three error paths which return success:

1) Propagate the error code from mpi3mr_post_transport_req() if it fails.

2) Return -EINVAL if "ioc_status != MPI3_IOCSTATUS_SUCCESS".

3) Return -EINVAL if "le16_to_cpu(mpi_reply.response_data_length) !=
   sizeof(struct rep_manu_reply)"

Link: https://lore.kernel.org/r/YyMIJh1HU2Qz9+Rs@kili
Fixes: 2bd37e28 ("scsi: mpi3mr: Add framework to issue MPT transport cmds")
Acked-by: Sathya Prakash Veerichetty <sathya.prakash@broadcom.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>