598 	struct usnic_ib_mr *mr;  in usnic_ib_reg_mr()  local
604 	mr = kzalloc(sizeof(*mr), GFP_KERNEL);  in usnic_ib_reg_mr()
605 	if (IS_ERR_OR_NULL(mr))  in usnic_ib_reg_mr()
606 		return ERR_PTR(mr ? PTR_ERR(mr) : -ENOMEM);  in usnic_ib_reg_mr()
608 	mr->umem = usnic_uiom_reg_get(to_upd(pd)->umem_pd, start, length,  in usnic_ib_reg_mr()
610 	if (IS_ERR_OR_NULL(mr->umem)) {  in usnic_ib_reg_mr()
611 		err = mr->umem ? PTR_ERR(mr->umem) : -EFAULT;  in usnic_ib_reg_mr()
615 	mr->ibmr.lkey = mr->ibmr.rkey = 0;  in usnic_ib_reg_mr()
616 	return &mr->ibmr;  in usnic_ib_reg_mr()
619 	kfree(mr);  in usnic_ib_reg_mr()
625 	struct usnic_ib_mr *mr = to_umr(ibmr);  in usnic_ib_dereg_mr()  local
627 	usnic_dbg("va 0x%lx length 0x%zx\n", mr->umem->va, mr->umem->length);  in usnic_ib_dereg_mr()
629 	usnic_uiom_reg_release(mr->umem, ibmr->pd->uobject->context->closing);  in usnic_ib_dereg_mr()
630 	kfree(mr);  in usnic_ib_dereg_mr()