CC: [email protected] TO: Minwoo Im <[email protected]> CC: Christoph Hellwig <[email protected]> CC: "Javier González" <[email protected]>
tree: git://git.infradead.org/users/hch/block.git nvme-generic head: 51d5434458b4f2182f4d108c9016ac9402529ee7 commit: 51d5434458b4f2182f4d108c9016ac9402529ee7 [13/13] nvme: introduce generic per-namespace chardev :::::: branch date: 31 hours ago :::::: commit date: 31 hours ago config: mips-randconfig-m031-20210408 (attached as .config) compiler: mips64el-linux-gcc (GCC) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> Reported-by: Dan Carpenter <[email protected]> New smatch warnings: drivers/nvme/host/core.c:4532 nvme_core_init() warn: passing zero to 'PTR_ERR' Old smatch warnings: drivers/nvme/host/core.c:705 nvme_configure_directives() warn: missing error code 'ret' vim +/PTR_ERR +4532 drivers/nvme/host/core.c 811015409fd4af Christoph Hellwig 2019-04-30 4484 811015409fd4af Christoph Hellwig 2019-04-30 4485 893a74b7a76e6e Christoph Hellwig 2019-04-30 4486 static int __init nvme_core_init(void) 5bae7f73d378a9 Christoph Hellwig 2015-11-28 4487 { b227c59b9b5b8a Roy Shterman 2018-01-14 4488 int result = -ENOMEM; 5bae7f73d378a9 Christoph Hellwig 2015-11-28 4489 811015409fd4af Christoph Hellwig 2019-04-30 4490 _nvme_check_size(); 811015409fd4af Christoph Hellwig 2019-04-30 4491 9a6327d2f25b14 Sagi Grimberg 2017-06-07 4492 nvme_wq = alloc_workqueue("nvme-wq", 9a6327d2f25b14 Sagi Grimberg 2017-06-07 4493 WQ_UNBOUND | WQ_MEM_RECLAIM | WQ_SYSFS, 0); 9a6327d2f25b14 Sagi Grimberg 2017-06-07 4494 if (!nvme_wq) b227c59b9b5b8a Roy Shterman 2018-01-14 4495 goto out; b227c59b9b5b8a Roy Shterman 2018-01-14 4496 b227c59b9b5b8a Roy Shterman 2018-01-14 4497 nvme_reset_wq = alloc_workqueue("nvme-reset-wq", b227c59b9b5b8a Roy Shterman 2018-01-14 4498 WQ_UNBOUND | WQ_MEM_RECLAIM | WQ_SYSFS, 0); b227c59b9b5b8a Roy Shterman 2018-01-14 4499 if (!nvme_reset_wq) b227c59b9b5b8a Roy Shterman 2018-01-14 4500 goto destroy_wq; b227c59b9b5b8a Roy Shterman 2018-01-14 4501 b227c59b9b5b8a Roy Shterman 2018-01-14 4502 nvme_delete_wq = alloc_workqueue("nvme-delete-wq", b227c59b9b5b8a Roy Shterman 2018-01-14 4503 WQ_UNBOUND | WQ_MEM_RECLAIM | WQ_SYSFS, 0); b227c59b9b5b8a Roy Shterman 2018-01-14 4504 if (!nvme_delete_wq) b227c59b9b5b8a Roy Shterman 2018-01-14 4505 goto destroy_reset_wq; 9a6327d2f25b14 Sagi Grimberg 2017-06-07 4506 f68abd9cc00cce Javier González 2020-12-01 4507 result = alloc_chrdev_region(&nvme_ctrl_base_chr_devt, 0, f68abd9cc00cce Javier González 2020-12-01 4508 NVME_MINORS, "nvme"); f3ca80fc11c3af Christoph Hellwig 2015-11-28 4509 if (result < 0) b227c59b9b5b8a Roy Shterman 2018-01-14 4510 goto destroy_delete_wq; f3ca80fc11c3af Christoph Hellwig 2015-11-28 4511 f3ca80fc11c3af Christoph Hellwig 2015-11-28 4512 nvme_class = class_create(THIS_MODULE, "nvme"); f3ca80fc11c3af Christoph Hellwig 2015-11-28 4513 if (IS_ERR(nvme_class)) { f3ca80fc11c3af Christoph Hellwig 2015-11-28 4514 result = PTR_ERR(nvme_class); f3ca80fc11c3af Christoph Hellwig 2015-11-28 4515 goto unregister_chrdev; f3ca80fc11c3af Christoph Hellwig 2015-11-28 4516 } a42f42e5bb84d8 Sagi Grimberg 2019-09-04 4517 nvme_class->dev_uevent = nvme_class_uevent; f3ca80fc11c3af Christoph Hellwig 2015-11-28 4518 ab9e00cc72fa4c Christoph Hellwig 2017-11-09 4519 nvme_subsys_class = class_create(THIS_MODULE, "nvme-subsystem"); ab9e00cc72fa4c Christoph Hellwig 2017-11-09 4520 if (IS_ERR(nvme_subsys_class)) { ab9e00cc72fa4c Christoph Hellwig 2017-11-09 4521 result = PTR_ERR(nvme_subsys_class); ab9e00cc72fa4c Christoph Hellwig 2017-11-09 4522 goto destroy_class; ab9e00cc72fa4c Christoph Hellwig 2017-11-09 4523 } 51d5434458b4f2 Minwoo Im 2021-04-07 4524 51d5434458b4f2 Minwoo Im 2021-04-07 4525 result = alloc_chrdev_region(&nvme_ns_chr_devt, 0, NVME_MINORS, 51d5434458b4f2 Minwoo Im 2021-04-07 4526 "nvme-generic"); 51d5434458b4f2 Minwoo Im 2021-04-07 4527 if (result < 0) 51d5434458b4f2 Minwoo Im 2021-04-07 4528 goto destroy_subsys_class; 51d5434458b4f2 Minwoo Im 2021-04-07 4529 51d5434458b4f2 Minwoo Im 2021-04-07 4530 nvme_ns_chr_class = class_create(THIS_MODULE, "nvme-generic"); 51d5434458b4f2 Minwoo Im 2021-04-07 4531 if (IS_ERR(nvme_ns_chr_class)) { 51d5434458b4f2 Minwoo Im 2021-04-07 @4532 result = PTR_ERR(nvme_subsys_class); 51d5434458b4f2 Minwoo Im 2021-04-07 4533 goto unregister_generic_ns; 51d5434458b4f2 Minwoo Im 2021-04-07 4534 } 51d5434458b4f2 Minwoo Im 2021-04-07 4535 5bae7f73d378a9 Christoph Hellwig 2015-11-28 4536 return 0; f3ca80fc11c3af Christoph Hellwig 2015-11-28 4537 51d5434458b4f2 Minwoo Im 2021-04-07 4538 unregister_generic_ns: 51d5434458b4f2 Minwoo Im 2021-04-07 4539 unregister_chrdev_region(nvme_ns_chr_devt, NVME_MINORS); 51d5434458b4f2 Minwoo Im 2021-04-07 4540 destroy_subsys_class: 51d5434458b4f2 Minwoo Im 2021-04-07 4541 class_destroy(nvme_subsys_class); ab9e00cc72fa4c Christoph Hellwig 2017-11-09 4542 destroy_class: ab9e00cc72fa4c Christoph Hellwig 2017-11-09 4543 class_destroy(nvme_class); f3ca80fc11c3af Christoph Hellwig 2015-11-28 4544 unregister_chrdev: f68abd9cc00cce Javier González 2020-12-01 4545 unregister_chrdev_region(nvme_ctrl_base_chr_devt, NVME_MINORS); b227c59b9b5b8a Roy Shterman 2018-01-14 4546 destroy_delete_wq: b227c59b9b5b8a Roy Shterman 2018-01-14 4547 destroy_workqueue(nvme_delete_wq); b227c59b9b5b8a Roy Shterman 2018-01-14 4548 destroy_reset_wq: b227c59b9b5b8a Roy Shterman 2018-01-14 4549 destroy_workqueue(nvme_reset_wq); 9a6327d2f25b14 Sagi Grimberg 2017-06-07 4550 destroy_wq: 9a6327d2f25b14 Sagi Grimberg 2017-06-07 4551 destroy_workqueue(nvme_wq); b227c59b9b5b8a Roy Shterman 2018-01-14 4552 out: f3ca80fc11c3af Christoph Hellwig 2015-11-28 4553 return result; 5bae7f73d378a9 Christoph Hellwig 2015-11-28 4554 } 5bae7f73d378a9 Christoph Hellwig 2015-11-28 4555 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
Description: application/gzip
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