5253 kmem_alloc/kmem_zalloc won't fail with KM_SLEEP
5254 getrbuf won't fail with KM_SLEEP

*** 341,352 ****
                   * to allocate.
                   */
                  if (nfs4_dss_buflen == 0)
                          return (set_errno(EINVAL));
                  nfs4_dss_bufp = kmem_alloc(nfs4_dss_buflen, KM_SLEEP);
-                 if (nfs4_dss_bufp == NULL)
-                         return (set_errno(ENOMEM));
  
                  if (copyin(arg, nfs4_dss_bufp, nfs4_dss_buflen)) {
                          kmem_free(nfs4_dss_bufp, nfs4_dss_buflen);
                          return (set_errno(EFAULT));
                  }
--- 341,350 ----