tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 494d311a82bb06a81fa7ef4277367701a792e6ef commit: b5f025c3f702c1b7e1bc864d52d04e056da94f7d [1662/2764] scsi: mpt3sas: Cancel the running work during host reset config: i386-randconfig-m021-20200823 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; New smatch warnings: drivers/scsi/mpt3sas/mpt3sas_scsih.c:9512 _mpt3sas_fw_work() warn: inconsistent indenting Old smatch warnings: drivers/scsi/mpt3sas/mpt3sas_scsih.c:5802 _scsih_expander_add() warn: returning -1 instead of -ENOMEM is sloppy # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commi... git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout b5f025c3f702c1b7e1bc864d52d04e056da94f7d vim +9512 drivers/scsi/mpt3sas/mpt3sas_scsih.c f92363d1235949 Sreekanth Reddy 2012-11-30 9417 f92363d1235949 Sreekanth Reddy 2012-11-30 9418 /** f92363d1235949 Sreekanth Reddy 2012-11-30 9419 * _mpt3sas_fw_work - delayed task for processing firmware events f92363d1235949 Sreekanth Reddy 2012-11-30 9420 * @ioc: per adapter object f92363d1235949 Sreekanth Reddy 2012-11-30 9421 * @fw_event: The fw_event_work object f92363d1235949 Sreekanth Reddy 2012-11-30 9422 * Context: user. f92363d1235949 Sreekanth Reddy 2012-11-30 9423 */ f92363d1235949 Sreekanth Reddy 2012-11-30 9424 static void f92363d1235949 Sreekanth Reddy 2012-11-30 9425 _mpt3sas_fw_work(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work *fw_event) f92363d1235949 Sreekanth Reddy 2012-11-30 9426 { b5f025c3f702c1 Suganath Prabu S 2020-07-30 9427 ioc->current_event = fw_event; 146b16c8071f5f Sreekanth Reddy 2015-11-11 9428 _scsih_fw_event_del_from_list(ioc, fw_event); 146b16c8071f5f Sreekanth Reddy 2015-11-11 9429 f92363d1235949 Sreekanth Reddy 2012-11-30 9430 /* the queue is being flushed so ignore this event */ 146b16c8071f5f Sreekanth Reddy 2015-11-11 9431 if (ioc->remove_host || ioc->pci_error_recovery) { 146b16c8071f5f Sreekanth Reddy 2015-11-11 9432 fw_event_work_put(fw_event); b5f025c3f702c1 Suganath Prabu S 2020-07-30 9433 ioc->current_event = NULL; f92363d1235949 Sreekanth Reddy 2012-11-30 9434 return; f92363d1235949 Sreekanth Reddy 2012-11-30 9435 } f92363d1235949 Sreekanth Reddy 2012-11-30 9436 f92363d1235949 Sreekanth Reddy 2012-11-30 9437 switch (fw_event->event) { f92363d1235949 Sreekanth Reddy 2012-11-30 9438 case MPT3SAS_PROCESS_TRIGGER_DIAG: 35b62362803354 Joe Lawrence 2014-06-25 9439 mpt3sas_process_trigger_data(ioc, 35b62362803354 Joe Lawrence 2014-06-25 9440 (struct SL_WH_TRIGGERS_EVENT_DATA_T *) 35b62362803354 Joe Lawrence 2014-06-25 9441 fw_event->event_data); f92363d1235949 Sreekanth Reddy 2012-11-30 9442 break; f92363d1235949 Sreekanth Reddy 2012-11-30 9443 case MPT3SAS_REMOVE_UNRESPONDING_DEVICES: 146b16c8071f5f Sreekanth Reddy 2015-11-11 9444 while (scsi_host_in_recovery(ioc->shost) || 146b16c8071f5f Sreekanth Reddy 2015-11-11 9445 ioc->shost_recovery) { 146b16c8071f5f Sreekanth Reddy 2015-11-11 9446 /* b5f025c3f702c1 Suganath Prabu S 2020-07-30 9447 * If we're unloading or cancelling the work, bail. b5f025c3f702c1 Suganath Prabu S 2020-07-30 9448 * Otherwise, this can become an infinite loop. 146b16c8071f5f Sreekanth Reddy 2015-11-11 9449 */ b5f025c3f702c1 Suganath Prabu S 2020-07-30 9450 if (ioc->remove_host || ioc->fw_events_cleanup) 146b16c8071f5f Sreekanth Reddy 2015-11-11 9451 goto out; f92363d1235949 Sreekanth Reddy 2012-11-30 9452 ssleep(1); 146b16c8071f5f Sreekanth Reddy 2015-11-11 9453 } 3075ac49024e7e Suganath Prabu Subramani 2017-10-31 9454 _scsih_remove_unresponding_devices(ioc); f92363d1235949 Sreekanth Reddy 2012-11-30 9455 _scsih_scan_for_devices_after_reset(ioc); d3f623ae8e0323 Sreekanth Reddy 2019-12-26 9456 _scsih_set_nvme_max_shutdown_latency(ioc); f92363d1235949 Sreekanth Reddy 2012-11-30 9457 break; f92363d1235949 Sreekanth Reddy 2012-11-30 9458 case MPT3SAS_PORT_ENABLE_COMPLETE: f92363d1235949 Sreekanth Reddy 2012-11-30 9459 ioc->start_scan = 0; f92363d1235949 Sreekanth Reddy 2012-11-30 9460 if (missing_delay[0] != -1 && missing_delay[1] != -1) f92363d1235949 Sreekanth Reddy 2012-11-30 9461 mpt3sas_base_update_missing_delay(ioc, missing_delay[0], f92363d1235949 Sreekanth Reddy 2012-11-30 9462 missing_delay[1]); 919d8a3f3fef99 Joe Perches 2018-09-17 9463 dewtprintk(ioc, 919d8a3f3fef99 Joe Perches 2018-09-17 9464 ioc_info(ioc, "port enable: complete from worker thread\n")); f92363d1235949 Sreekanth Reddy 2012-11-30 9465 break; 0f624c391ecbf1 Sreekanth Reddy 2014-09-12 9466 case MPT3SAS_TURN_ON_PFA_LED: 0f624c391ecbf1 Sreekanth Reddy 2014-09-12 9467 _scsih_turn_on_pfa_led(ioc, fw_event->device_handle); f92363d1235949 Sreekanth Reddy 2012-11-30 9468 break; f92363d1235949 Sreekanth Reddy 2012-11-30 9469 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: f92363d1235949 Sreekanth Reddy 2012-11-30 9470 _scsih_sas_topology_change_event(ioc, fw_event); f92363d1235949 Sreekanth Reddy 2012-11-30 9471 break; f92363d1235949 Sreekanth Reddy 2012-11-30 9472 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: 54d74e6b9d98bc Suganath Prabu 2019-08-03 9473 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) 54d74e6b9d98bc Suganath Prabu 2019-08-03 9474 _scsih_sas_device_status_change_event_debug(ioc, 54d74e6b9d98bc Suganath Prabu 2019-08-03 9475 (Mpi2EventDataSasDeviceStatusChange_t *) 54d74e6b9d98bc Suganath Prabu 2019-08-03 9476 fw_event->event_data); f92363d1235949 Sreekanth Reddy 2012-11-30 9477 break; f92363d1235949 Sreekanth Reddy 2012-11-30 9478 case MPI2_EVENT_SAS_DISCOVERY: f92363d1235949 Sreekanth Reddy 2012-11-30 9479 _scsih_sas_discovery_event(ioc, fw_event); f92363d1235949 Sreekanth Reddy 2012-11-30 9480 break; 95540b8eaf30d2 Chaitra P B 2018-04-24 9481 case MPI2_EVENT_SAS_DEVICE_DISCOVERY_ERROR: 95540b8eaf30d2 Chaitra P B 2018-04-24 9482 _scsih_sas_device_discovery_error_event(ioc, fw_event); 95540b8eaf30d2 Chaitra P B 2018-04-24 9483 break; f92363d1235949 Sreekanth Reddy 2012-11-30 9484 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: f92363d1235949 Sreekanth Reddy 2012-11-30 9485 _scsih_sas_broadcast_primitive_event(ioc, fw_event); f92363d1235949 Sreekanth Reddy 2012-11-30 9486 break; f92363d1235949 Sreekanth Reddy 2012-11-30 9487 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: f92363d1235949 Sreekanth Reddy 2012-11-30 9488 _scsih_sas_enclosure_dev_status_change_event(ioc, f92363d1235949 Sreekanth Reddy 2012-11-30 9489 fw_event); f92363d1235949 Sreekanth Reddy 2012-11-30 9490 break; f92363d1235949 Sreekanth Reddy 2012-11-30 9491 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: f92363d1235949 Sreekanth Reddy 2012-11-30 9492 _scsih_sas_ir_config_change_event(ioc, fw_event); f92363d1235949 Sreekanth Reddy 2012-11-30 9493 break; f92363d1235949 Sreekanth Reddy 2012-11-30 9494 case MPI2_EVENT_IR_VOLUME: f92363d1235949 Sreekanth Reddy 2012-11-30 9495 _scsih_sas_ir_volume_event(ioc, fw_event); f92363d1235949 Sreekanth Reddy 2012-11-30 9496 break; f92363d1235949 Sreekanth Reddy 2012-11-30 9497 case MPI2_EVENT_IR_PHYSICAL_DISK: f92363d1235949 Sreekanth Reddy 2012-11-30 9498 _scsih_sas_ir_physical_disk_event(ioc, fw_event); f92363d1235949 Sreekanth Reddy 2012-11-30 9499 break; f92363d1235949 Sreekanth Reddy 2012-11-30 9500 case MPI2_EVENT_IR_OPERATION_STATUS: f92363d1235949 Sreekanth Reddy 2012-11-30 9501 _scsih_sas_ir_operation_status_event(ioc, fw_event); f92363d1235949 Sreekanth Reddy 2012-11-30 9502 break; 4318c73478474f Suganath Prabu Subramani 2017-10-31 9503 case MPI2_EVENT_PCIE_DEVICE_STATUS_CHANGE: 4318c73478474f Suganath Prabu Subramani 2017-10-31 9504 _scsih_pcie_device_status_change_event(ioc, fw_event); 4318c73478474f Suganath Prabu Subramani 2017-10-31 9505 break; 4318c73478474f Suganath Prabu Subramani 2017-10-31 9506 case MPI2_EVENT_PCIE_ENUMERATION: 4318c73478474f Suganath Prabu Subramani 2017-10-31 9507 _scsih_pcie_enumeration_event(ioc, fw_event); 4318c73478474f Suganath Prabu Subramani 2017-10-31 9508 break; 4318c73478474f Suganath Prabu Subramani 2017-10-31 9509 case MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST: 4318c73478474f Suganath Prabu Subramani 2017-10-31 9510 _scsih_pcie_topology_change_event(ioc, fw_event); b5f025c3f702c1 Suganath Prabu S 2020-07-30 9511 ioc->current_event = NULL; 4318c73478474f Suganath Prabu Subramani 2017-10-31 @9512 return; 4318c73478474f Suganath Prabu Subramani 2017-10-31 9513 break; f92363d1235949 Sreekanth Reddy 2012-11-30 9514 } 146b16c8071f5f Sreekanth Reddy 2015-11-11 9515 out: 146b16c8071f5f Sreekanth Reddy 2015-11-11 9516 fw_event_work_put(fw_event); b5f025c3f702c1 Suganath Prabu S 2020-07-30 9517 ioc->current_event = NULL; f92363d1235949 Sreekanth Reddy 2012-11-30 9518 } f92363d1235949 Sreekanth Reddy 2012-11-30 9519 :::::: The code at line 9512 was first introduced by commit :::::: 4318c73478474f974f1922b3d8946d41e2d855d6 scsi: mpt3sas: Handle NVMe PCIe device related events generated from firmware. :::::: TO: Suganath Prabu Subramani <suganath-prabu.subramani(a)broadcom.com&gt; :::::: CC: Martin K. Petersen <martin.petersen(a)oracle.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org