Hi Adam, [FYI, it's a private test report for your RFC patch.] [auto build test ERROR on linus/master] [also build test ERROR on v5.14-rc5 next-20210812] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Adam-Manzanares/nvmet-Fix-conven... base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git f8fbb47c6e86c0b75f8df864db702c3e3f757361 config: x86_64-randconfig-r014-20210809 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 767496d19cb9a1fbba57ff08095faa161998ee36) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/05175480696ae235d783d7a46b5cc1f42... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Adam-Manzanares/nvmet-Fix-conventional-passthru/20210813-051456 git checkout 05175480696ae235d783d7a46b5cc1f42a0ad4c6 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/nvme/target/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): #elif ^ 1 error generated. vim +1369 drivers/nvme/target/core.c 1330 1331 u16 nvmet_alloc_ctrl(const char *subsysnqn, const char *hostnqn, 1332 struct nvmet_req *req, u32 kato, struct nvmet_ctrl **ctrlp) 1333 { 1334 struct nvmet_subsys *subsys; 1335 struct nvmet_ctrl *ctrl; 1336 int ret; 1337 u16 status; 1338 1339 status = NVME_SC_CONNECT_INVALID_PARAM | NVME_SC_DNR; 1340 subsys = nvmet_find_get_subsys(req->port, subsysnqn); 1341 if (!subsys) { 1342 pr_warn("connect request for invalid subsystem %s!\n", 1343 subsysnqn); 1344 req->cqe->result.u32 = IPO_IATTR_CONNECT_DATA(subsysnqn); 1345 req->error_loc = offsetof(struct nvme_common_command, dptr); 1346 goto out; 1347 } 1348 1349 down_read(&nvmet_config_sem); 1350 if (!nvmet_host_allowed(subsys, hostnqn)) { 1351 pr_info("connect by host %s for subsystem %s not allowed\n", 1352 hostnqn, subsysnqn); 1353 req->cqe->result.u32 = IPO_IATTR_CONNECT_DATA(hostnqn); 1354 up_read(&nvmet_config_sem); 1355 status = NVME_SC_CONNECT_INVALID_HOST | NVME_SC_DNR; 1356 req->error_loc = offsetof(struct nvme_common_command, dptr); 1357 goto out_put_subsystem; 1358 } 1359 up_read(&nvmet_config_sem); 1360 1361 status = NVME_SC_INTERNAL; 1362 ctrl = kzalloc(sizeof(*ctrl), GFP_KERNEL); 1363 if (!ctrl) 1364 goto out_put_subsystem; 1365 mutex_init(&ctrl->lock); 1366 1367 #ifdef CONFIG_NVME_TARGET_PASSTHRU 1368 nvmet_init_cap(ctrl, subsys->passthru_ctrl); 1370 nvmet_init_cap(ctrl, NULL); 1371 #endif 1372 1373 ctrl->port = req->port; 1374 1375 INIT_WORK(&ctrl->async_event_work, nvmet_async_event_work); 1376 INIT_LIST_HEAD(&ctrl->async_events); 1377 INIT_RADIX_TREE(&ctrl->p2p_ns_map, GFP_KERNEL); 1378 INIT_WORK(&ctrl->fatal_err_work, nvmet_fatal_error_handler); 1379 INIT_DELAYED_WORK(&ctrl->ka_work, nvmet_keep_alive_timer); 1380 1381 memcpy(ctrl->subsysnqn, subsysnqn, NVMF_NQN_SIZE); 1382 memcpy(ctrl->hostnqn, hostnqn, NVMF_NQN_SIZE); 1383 1384 kref_init(&ctrl->ref); 1385 ctrl->subsys = subsys; 1386 WRITE_ONCE(ctrl->aen_enabled, NVMET_AEN_CFG_OPTIONAL); 1387 1388 ctrl->changed_ns_list = kmalloc_array(NVME_MAX_CHANGED_NAMESPACES, 1389 sizeof(__le32), GFP_KERNEL); 1390 if (!ctrl->changed_ns_list) 1391 goto out_free_ctrl; 1392 1393 ctrl->sqs = kcalloc(subsys->max_qid + 1, 1394 sizeof(struct nvmet_sq *), 1395 GFP_KERNEL); 1396 if (!ctrl->sqs) 1397 goto out_free_changed_ns_list; 1398 1399 if (subsys->cntlid_min > subsys->cntlid_max) 1400 goto out_free_sqs; 1401 1402 ret = ida_simple_get(&cntlid_ida, 1403 subsys->cntlid_min, subsys->cntlid_max, 1404 GFP_KERNEL); 1405 if (ret < 0) { 1406 status = NVME_SC_CONNECT_CTRL_BUSY | NVME_SC_DNR; 1407 goto out_free_sqs; 1408 } 1409 ctrl->cntlid = ret; 1410 1411 ctrl->ops = req->ops; 1412 1413 /* 1414 * Discovery controllers may use some arbitrary high value 1415 * in order to cleanup stale discovery sessions 1416 */ 1417 if ((ctrl->subsys->type == NVME_NQN_DISC) && !kato) 1418 kato = NVMET_DISC_KATO_MS; 1419 1420 /* keep-alive timeout in seconds */ 1421 ctrl->kato = DIV_ROUND_UP(kato, 1000); 1422 1423 ctrl->err_counter = 0; 1424 spin_lock_init(&ctrl->error_lock); 1425 1426 nvmet_start_keep_alive_timer(ctrl); 1427 1428 mutex_lock(&subsys->lock); 1429 list_add_tail(&ctrl->subsys_entry, &subsys->ctrls); 1430 nvmet_setup_p2p_ns_map(ctrl, req); 1431 mutex_unlock(&subsys->lock); 1432 1433 *ctrlp = ctrl; 1434 return 0; 1435 1436 out_free_sqs: 1437 kfree(ctrl->sqs); 1438 out_free_changed_ns_list: 1439 kfree(ctrl->changed_ns_list); 1440 out_free_ctrl: 1441 kfree(ctrl); 1442 out_put_subsystem: 1443 nvmet_subsys_put(subsys); 1444 out: 1445 return status; 1446 } 1447 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org