Hi Amirreza, kernel test robot noticed the following build warnings:
url: https://github.com/intel-lab-lkp/linux/commits/Amirreza-Zarrabi/tee-allow-a-driver-to-allocate-a-tee_device-without-a-pool/20250527-151020 base: 3be1a7a31fbda82f3604b6c31e4f390110de1b46 patch link: https://lore.kernel.org/r/20250526-qcom-tee-using-tee-ss-without-mem-obj-v5-9-024e3221b0b9%40oss.qualcomm.com patch subject: [PATCH v5 09/12] tee: add Qualcomm TEE driver config: x86_64-randconfig-161-20250528 (https://download.01.org/0day-ci/archive/20250528/202505280653.y79jkqdd-...@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <l...@intel.com> | Reported-by: Dan Carpenter <dan.carpen...@linaro.org> | Closes: https://lore.kernel.org/r/202505280653.y79jkqdd-...@intel.com/ smatch warnings: drivers/tee/qcomtee/call.c:748 qcomtee_probe() warn: missing error code 'err' vim +/err +748 drivers/tee/qcomtee/call.c accd33ce59c3367 Amirreza Zarrabi 2025-05-26 711 static int qcomtee_probe(struct platform_device *pdev) accd33ce59c3367 Amirreza Zarrabi 2025-05-26 712 { accd33ce59c3367 Amirreza Zarrabi 2025-05-26 713 struct workqueue_struct *async_wq; accd33ce59c3367 Amirreza Zarrabi 2025-05-26 714 struct tee_device *teedev; accd33ce59c3367 Amirreza Zarrabi 2025-05-26 715 struct tee_shm_pool *pool; accd33ce59c3367 Amirreza Zarrabi 2025-05-26 716 struct tee_context *ctx; accd33ce59c3367 Amirreza Zarrabi 2025-05-26 717 struct qcomtee *qcomtee; accd33ce59c3367 Amirreza Zarrabi 2025-05-26 718 int err; accd33ce59c3367 Amirreza Zarrabi 2025-05-26 719 accd33ce59c3367 Amirreza Zarrabi 2025-05-26 720 qcomtee = kzalloc(sizeof(*qcomtee), GFP_KERNEL); accd33ce59c3367 Amirreza Zarrabi 2025-05-26 721 if (!qcomtee) accd33ce59c3367 Amirreza Zarrabi 2025-05-26 722 return -ENOMEM; accd33ce59c3367 Amirreza Zarrabi 2025-05-26 723 accd33ce59c3367 Amirreza Zarrabi 2025-05-26 724 pool = qcomtee_shm_pool_alloc(); accd33ce59c3367 Amirreza Zarrabi 2025-05-26 725 if (IS_ERR(pool)) { accd33ce59c3367 Amirreza Zarrabi 2025-05-26 726 err = PTR_ERR(pool); accd33ce59c3367 Amirreza Zarrabi 2025-05-26 727 accd33ce59c3367 Amirreza Zarrabi 2025-05-26 728 goto err_free_qcomtee; accd33ce59c3367 Amirreza Zarrabi 2025-05-26 729 } accd33ce59c3367 Amirreza Zarrabi 2025-05-26 730 accd33ce59c3367 Amirreza Zarrabi 2025-05-26 731 teedev = tee_device_alloc(&qcomtee_desc, NULL, pool, qcomtee); accd33ce59c3367 Amirreza Zarrabi 2025-05-26 732 if (IS_ERR(teedev)) { accd33ce59c3367 Amirreza Zarrabi 2025-05-26 733 err = PTR_ERR(teedev); accd33ce59c3367 Amirreza Zarrabi 2025-05-26 734 accd33ce59c3367 Amirreza Zarrabi 2025-05-26 735 goto err_pool_destroy; accd33ce59c3367 Amirreza Zarrabi 2025-05-26 736 } accd33ce59c3367 Amirreza Zarrabi 2025-05-26 737 accd33ce59c3367 Amirreza Zarrabi 2025-05-26 738 qcomtee->teedev = teedev; accd33ce59c3367 Amirreza Zarrabi 2025-05-26 739 qcomtee->pool = pool; accd33ce59c3367 Amirreza Zarrabi 2025-05-26 740 err = tee_device_register(qcomtee->teedev); accd33ce59c3367 Amirreza Zarrabi 2025-05-26 741 if (err) accd33ce59c3367 Amirreza Zarrabi 2025-05-26 742 goto err_unreg_teedev; accd33ce59c3367 Amirreza Zarrabi 2025-05-26 743 accd33ce59c3367 Amirreza Zarrabi 2025-05-26 744 platform_set_drvdata(pdev, qcomtee); accd33ce59c3367 Amirreza Zarrabi 2025-05-26 745 /* Start async wq. */ accd33ce59c3367 Amirreza Zarrabi 2025-05-26 746 async_wq = alloc_ordered_workqueue("qcomtee_wq", 0); accd33ce59c3367 Amirreza Zarrabi 2025-05-26 747 if (!async_wq) accd33ce59c3367 Amirreza Zarrabi 2025-05-26 @748 goto err_unreg_teedev; err = -ENOMEM; accd33ce59c3367 Amirreza Zarrabi 2025-05-26 749 accd33ce59c3367 Amirreza Zarrabi 2025-05-26 750 qcomtee->wq = async_wq; accd33ce59c3367 Amirreza Zarrabi 2025-05-26 751 /* Driver context used for async operations of teedev. */ accd33ce59c3367 Amirreza Zarrabi 2025-05-26 752 ctx = teedev_open(qcomtee->teedev); accd33ce59c3367 Amirreza Zarrabi 2025-05-26 753 if (IS_ERR(ctx)) { accd33ce59c3367 Amirreza Zarrabi 2025-05-26 754 err = PTR_ERR(ctx); accd33ce59c3367 Amirreza Zarrabi 2025-05-26 755 accd33ce59c3367 Amirreza Zarrabi 2025-05-26 756 goto err_dest_wq; accd33ce59c3367 Amirreza Zarrabi 2025-05-26 757 } accd33ce59c3367 Amirreza Zarrabi 2025-05-26 758 accd33ce59c3367 Amirreza Zarrabi 2025-05-26 759 qcomtee->ctx = ctx; accd33ce59c3367 Amirreza Zarrabi 2025-05-26 760 /* Init Object table. */ accd33ce59c3367 Amirreza Zarrabi 2025-05-26 761 qcomtee->xa_last_id = 0; accd33ce59c3367 Amirreza Zarrabi 2025-05-26 762 xa_init_flags(&qcomtee->xa_local_objects, XA_FLAGS_ALLOC); accd33ce59c3367 Amirreza Zarrabi 2025-05-26 763 /* Get QTEE verion. */ accd33ce59c3367 Amirreza Zarrabi 2025-05-26 764 qcomtee_get_qtee_feature_list(qcomtee->ctx, accd33ce59c3367 Amirreza Zarrabi 2025-05-26 765 QCOMTEE_FEATURE_VER_OP_GET_QTEE_ID, accd33ce59c3367 Amirreza Zarrabi 2025-05-26 766 &qtee_version); accd33ce59c3367 Amirreza Zarrabi 2025-05-26 767 accd33ce59c3367 Amirreza Zarrabi 2025-05-26 768 pr_info("QTEE version %u.%u.%u\n", accd33ce59c3367 Amirreza Zarrabi 2025-05-26 769 QTEE_VERSION_GET_MAJOR(qtee_version), accd33ce59c3367 Amirreza Zarrabi 2025-05-26 770 QTEE_VERSION_GET_MINOR(qtee_version), accd33ce59c3367 Amirreza Zarrabi 2025-05-26 771 QTEE_VERSION_GET_PATCH(qtee_version)); accd33ce59c3367 Amirreza Zarrabi 2025-05-26 772 accd33ce59c3367 Amirreza Zarrabi 2025-05-26 773 return 0; accd33ce59c3367 Amirreza Zarrabi 2025-05-26 774 accd33ce59c3367 Amirreza Zarrabi 2025-05-26 775 err_dest_wq: accd33ce59c3367 Amirreza Zarrabi 2025-05-26 776 destroy_workqueue(qcomtee->wq); accd33ce59c3367 Amirreza Zarrabi 2025-05-26 777 err_unreg_teedev: accd33ce59c3367 Amirreza Zarrabi 2025-05-26 778 tee_device_unregister(qcomtee->teedev); accd33ce59c3367 Amirreza Zarrabi 2025-05-26 779 err_pool_destroy: accd33ce59c3367 Amirreza Zarrabi 2025-05-26 780 tee_shm_pool_free(pool); accd33ce59c3367 Amirreza Zarrabi 2025-05-26 781 err_free_qcomtee: accd33ce59c3367 Amirreza Zarrabi 2025-05-26 782 kfree(qcomtee); accd33ce59c3367 Amirreza Zarrabi 2025-05-26 783 accd33ce59c3367 Amirreza Zarrabi 2025-05-26 784 return err; accd33ce59c3367 Amirreza Zarrabi 2025-05-26 785 } -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
