nfsd4: refactor connection allocation

	spin_unlock(&clp->cl_lock);

}

static __be32 nfsd4_new_conn(struct svc_rqst *rqstp, struct nfsd4_session *ses)

static struct nfsd4_conn *alloc_conn(struct svc_rqst *rqstp)

{

	struct nfs4_client *clp = ses->se_client;

	struct nfsd4_conn *conn;

	conn = kmalloc(sizeof(struct nfsd4_conn), GFP_KERNEL);

	if (!conn)

		return nfserr_jukebox;

	conn->cn_flags = NFS4_CDFC4_FORE;

		return NULL;

	svc_xprt_get(rqstp->rq_xprt);

	conn->cn_xprt = rqstp->rq_xprt;

	conn->cn_session = ses;

	conn->cn_flags = NFS4_CDFC4_FORE;

	INIT_LIST_HEAD(&conn->cn_xpt_user.list);

	return conn;

}

static void nfsd4_hash_conn(struct nfsd4_conn *conn, struct nfsd4_session *ses)

{

	struct nfs4_client *clp = ses->se_client;

	spin_lock(&clp->cl_lock);

	conn->cn_session = ses;

	list_add(&conn->cn_persession, &ses->se_conns);

	spin_unlock(&clp->cl_lock);

}

static void nfsd4_register_conn(struct nfsd4_conn *conn)

{

	conn->cn_xpt_user.callback = nfsd4_conn_lost;

	register_xpt_user(rqstp->rq_xprt, &conn->cn_xpt_user);

	register_xpt_user(conn->cn_xprt, &conn->cn_xpt_user);

}

static __be32 nfsd4_new_conn(struct svc_rqst *rqstp, struct nfsd4_session *ses)

{

	struct nfsd4_conn *conn;

	conn = alloc_conn(rqstp);

	if (!conn)

		return nfserr_jukebox;

	nfsd4_hash_conn(conn, ses);

	nfsd4_register_conn(conn);

	return nfs_ok;

}