scsi: mpi3mr: Fix error code in mpi3mr_transport_smp_handler()

The error code from mpi3mr_post_transport_req() is supposed to be passed to
bsg_job_done(job, rc, reslen), but it isn't.

Link: https://lore.kernel.org/r/YyMISJzVDARpVwrr@kili
Fixes: 176d4aa6 ("scsi: mpi3mr: Support SAS transport class callbacks")
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>

drivers/scsi/mpi3mr/mpi3mr_transport.c

@@ -3245,8 +3245,10 @@ mpi3mr_transport_smp_handler(struct bsg_job *job, struct Scsi_Host *shost,
 
 	dprint_transport_info(mrioc, "sending SMP request\n");
 
-	if (mpi3mr_post_transport_req(mrioc, &mpi_request, request_sz,
-	    &mpi_reply, reply_sz, MPI3MR_INTADMCMD_TIMEOUT, &ioc_status))
+	rc = mpi3mr_post_transport_req(mrioc, &mpi_request, request_sz,
+				       &mpi_reply, reply_sz,
+				       MPI3MR_INTADMCMD_TIMEOUT, &ioc_status);
+	if (rc)
 		goto unmap_in;
 
 	dprint_transport_info(mrioc,