4492     if (!n->subsys) {  in nvme_io_mgmt_recv_ruhs()
4500     if (!n->subsys->endgrp.fdp.enabled) {  in nvme_io_mgmt_recv_ruhs()
4568     maxnpid = n->subsys->endgrp.fdp.nrg * n->subsys->endgrp.fdp.nruh;  in nvme_io_mgmt_send_ruh_update()
5057     if (!n->subsys || endgrpid != 0x1) {  in nvme_endgrp_info()
5066         NvmeNamespace *ns = nvme_subsys_ns(n->subsys, i);  in nvme_endgrp_info()
5252     if (endgrpid != 1 || !n->subsys) {  in nvme_fdp_confs()
5256     endgrp = &n->subsys->endgrp;  in nvme_fdp_confs()
5322     if (endgrpid != 1 || !n->subsys) {  in nvme_fdp_ruh_usage()
5326     endgrp = &n->subsys->endgrp;  in nvme_fdp_ruh_usage()
5365     if (endgrpid != 1 || !n->subsys) {  in nvme_fdp_stats()
5369     if (!n->subsys->endgrp.fdp.enabled) {  in nvme_fdp_stats()
5373     endgrp = &n->subsys->endgrp;  in nvme_fdp_stats()
5397     if (endgrpid != 1 || !n->subsys) {  in nvme_fdp_events()
5401     endgrp = &n->subsys->endgrp;  in nvme_fdp_events()
5703             ns = nvme_subsys_ns(n->subsys, nsid);  in nvme_identify_ns()
5733     if (!n->subsys) {  in nvme_identify_ctrl_list()
5742         ns = nvme_subsys_ns(n->subsys, nsid);  in nvme_identify_ctrl_list()
5748     for (cntlid = min_id; cntlid < ARRAY_SIZE(n->subsys->ctrls); cntlid++) {  in nvme_identify_ctrl_list()
5749         ctrl = nvme_subsys_ctrl(n->subsys, cntlid);  in nvme_identify_ctrl_list()
5812             ns = nvme_subsys_ns(n->subsys, nsid);  in nvme_identify_ns_ind()
5840             ns = nvme_subsys_ns(n->subsys, nsid);  in nvme_identify_ns_csi()
5887                 ns = nvme_subsys_ns(n->subsys, i);  in nvme_identify_nslist()
5935                 ns = nvme_subsys_ns(n->subsys, i);  in nvme_identify_nslist_csi()
6196     if (!n->subsys || !n->subsys->endgrp.fdp.enabled) {  in nvme_get_feature_fdp()
6221     if (!n->subsys || !n->subsys->endgrp.fdp.enabled) {  in nvme_get_feature_fdp_events()
6230     ruh = &n->subsys->endgrp.fdp.ruhs[ruhid];  in nvme_get_feature_fdp_events()
6496     if (!n->subsys || !n->subsys->endgrp.fdp.enabled) {  in nvme_set_feature_fdp_events()
6505     ruh = &n->subsys->endgrp.fdp.ruhs[ruhid];  in nvme_set_feature_fdp_events()
6796     ns = nvme_subsys_ns(n->subsys, nsid);  in nvme_ns_attachment()
6812         ctrl = nvme_subsys_ctrl(n->subsys, ids[i]);  in nvme_ns_attachment()
7756         NvmeNamespace *ns = nvme_subsys_ns(n->subsys, i);  in nvme_start_ctrl()
8288     if (n->namespace.blkconf.blk && n->subsys) {  in nvme_check_params()
8350         if (!n->subsys) {  in nvme_check_params()
8762     NvmeSubsystem *subsys = n->subsys;  in nvme_init_subnqn()  local
8765     if (!subsys) {  in nvme_init_subnqn()
8769         pstrcpy((char *)id->subnqn, sizeof(id->subnqn), (char*)subsys->subnqn);  in nvme_init_subnqn()
8888     if (n->subsys->endgrp.fdp.enabled) {  in nvme_init_ctrl()
8916     if (!n->subsys) {  in nvme_init_subsys()
8925         n->subsys = NVME_SUBSYS(dev);  in nvme_init_subsys()
8966         n->subsys = pn->subsys;  in nvme_realize()
8973         object_ref(OBJECT(pn->subsys));  in nvme_realize()
9001         n->subsys->namespaces[ns->params.nsid] = ns;  in nvme_realize()
9020     nvme_subsys_unregister_ctrl(n->subsys, n);  in nvme_exit()
9056     DEFINE_PROP_LINK("subsys", NvmeCtrl, subsys, TYPE_NVME_SUBSYS,