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From: Dan Carpenter <dan.carpenter@linaro.org>
To: oe-kbuild@lists.linux.dev,
	"Amirreza Zarrabi" <amirreza.zarrabi@oss.qualcomm.com>,
	"Jens Wiklander" <jens.wiklander@linaro.org>,
	"Sumit Garg" <sumit.garg@kernel.org>,
	"Bjorn Andersson" <andersson@kernel.org>,
	"Konrad Dybcio" <konradybcio@kernel.org>,
	"Bartosz Golaszewski" <bartosz.golaszewski@linaro.org>,
	"Apurupa Pattapu" <quic_apurupa@quicinc.com>,
	"Kees Cook" <kees@kernel.org>,
	"Gustavo A. R. Silva" <gustavoars@kernel.org>,
	"Sumit Semwal" <sumit.semwal@linaro.org>,
	"Christian König" <christian.koenig@amd.com>
Cc: lkp@intel.com, oe-kbuild-all@lists.linux.dev,
	Harshal Dev <quic_hdev@quicinc.com>,
	linux-arm-msm@vger.kernel.org, op-tee@lists.trustedfirmware.org,
	linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org,
	dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org,
	linux-doc@vger.kernel.org,
	Amirreza Zarrabi <amirreza.zarrabi@oss.qualcomm.com>,
	Neil Armstrong <neil.armstrong@linaro.org>
Subject: Re: [PATCH v5 09/12] tee: add Qualcomm TEE driver
Date: Wed, 28 May 2025 08:22:06 +0300	[thread overview]
Message-ID: <202505280653.Y79JKqDd-lkp@intel.com> (raw)
In-Reply-To: <20250526-qcom-tee-using-tee-ss-without-mem-obj-v5-9-024e3221b0b9@oss.qualcomm.com>

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-lkp@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 <lkp@intel.com>
| Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
| Closes: https://lore.kernel.org/r/202505280653.Y79JKqDd-lkp@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


  parent reply	other threads:[~2025-05-28  5:22 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-05-27  6:56 [PATCH v5 00/12] Trusted Execution Environment (TEE) driver for Qualcomm TEE (QTEE) Amirreza Zarrabi
2025-05-27  6:56 ` [PATCH v5 01/12] tee: allow a driver to allocate a tee_device without a pool Amirreza Zarrabi
2025-05-27  6:56 ` [PATCH v5 02/12] tee: add close_context to TEE driver operation Amirreza Zarrabi
2025-05-27  6:56 ` [PATCH v5 03/12] tee: add TEE_IOCTL_PARAM_ATTR_TYPE_UBUF Amirreza Zarrabi
2025-05-28  0:04   ` kernel test robot
2025-06-11 22:40   ` Andrew Davis
2025-06-11 23:45     ` Amirreza Zarrabi
2025-05-27  6:56 ` [PATCH v5 04/12] tee: add TEE_IOCTL_PARAM_ATTR_TYPE_OBJREF Amirreza Zarrabi
2025-05-27  6:56 ` [PATCH v5 05/12] tee: increase TEE_MAX_ARG_SIZE to 4096 Amirreza Zarrabi
2025-06-11 13:02   ` Sumit Garg
2025-05-27  6:56 ` [PATCH v5 06/12] firmware: qcom: scm: add support for object invocation Amirreza Zarrabi
2025-05-27  6:56 ` [PATCH v5 07/12] firmware: qcom: scm: remove unused arguments to the shm_brige Amirreza Zarrabi
2025-05-27  6:56 ` [PATCH v5 08/12] firmware: qcom: tzmem: export shm_bridge create/delete Amirreza Zarrabi
2025-07-01 11:47   ` Kuldeep Singh
2025-07-08  0:18     ` Amirreza Zarrabi
2025-05-27  6:56 ` [PATCH v5 09/12] tee: add Qualcomm TEE driver Amirreza Zarrabi
2025-05-27 21:28   ` kernel test robot
2025-05-28  5:22   ` Dan Carpenter [this message]
2025-07-07 12:09   ` Sumit Garg
2025-07-11  7:05     ` Amirreza Zarrabi
2025-05-27  6:56 ` [PATCH v5 10/12] qcomtee: add primordial object Amirreza Zarrabi
2025-05-27  6:56 ` [PATCH v5 11/12] qcomtee: enable TEE_IOC_SHM_ALLOC ioctl Amirreza Zarrabi
2025-07-07 12:15   ` Sumit Garg
2025-05-27  6:56 ` [PATCH v5 12/12] Documentation: tee: Add Qualcomm TEE driver Amirreza Zarrabi
2025-07-07 12:19   ` Sumit Garg
2025-07-11  5:05     ` Amirreza Zarrabi
2025-07-08 10:02 ` [PATCH v5 00/12] Trusted Execution Environment (TEE) driver for Qualcomm TEE (QTEE) Harshal Dev

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