svcrdma: Remove unused variable

Nit: remove an unused variable to squelch a compiler warning.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

net/sunrpc/xprtrdma/svc_rdma_transport.c

@@ -687,7 +687,6 @@ static struct svc_xprt *svc_rdma_create(struct svc_serv *serv,
 {
 	struct rdma_cm_id *listen_id;
 	struct svcxprt_rdma *cma_xprt;
-	struct svc_xprt *xprt;
 	int ret;
 
 	dprintk("svcrdma: Creating RDMA socket\n");
@@ -698,7 +697,6 @@ static struct svc_xprt *svc_rdma_create(struct svc_serv *serv,
 	cma_xprt = rdma_create_xprt(serv, 1);
 	if (!cma_xprt)
 		return ERR_PTR(-ENOMEM);
-	xprt = &cma_xprt->sc_xprt;
 
 	listen_id = rdma_create_id(rdma_listen_handler, cma_xprt, RDMA_PS_TCP,
 				   IB_QPT_RC);