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X-IronPort-AV: E=McAfee;i="6600,9927,10929"; a="9135682" X-IronPort-AV: E=Sophos;i="6.04,288,1695711600"; d="scan'208";a="9135682" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmvoesa102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Dec 2023 09:07:11 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10929"; a="841948043" X-IronPort-AV: E=Sophos;i="6.04,288,1695711600"; d="scan'208";a="841948043" Received: from lkp-server02.sh.intel.com (HELO b07ab15da5fe) ([10.239.97.151]) by fmsmga008.fm.intel.com with ESMTP; 19 Dec 2023 09:07:10 -0800 Received: from kbuild by b07ab15da5fe with local (Exim 4.96) (envelope-from ) id 1rFdYh-0005iR-2y; Tue, 19 Dec 2023 17:07:07 +0000 Date: Wed, 20 Dec 2023 01:06:17 +0800 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com, Dan Carpenter Subject: [linux-next:master 8829/9096] lib/kunit/device.c:138 kunit_device_register_with_driver() warn: passing zero to 'ERR_CAST' Message-ID: <202312200124.CkSII1FB-lkp@intel.com> Precedence: bulk X-Mailing-List: oe-kbuild@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev CC: Linux Memory Management List TO: davidgow CC: Shuah Khan CC: Matti Vaittinen , Matti Vaittinen CC: Maxime Ripard CC: "Greg Kroah-Hartman" tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: aa4db8324c4d0e67aa4670356df4e9fae14b4d37 commit: d03c720e03bd9bf0b784d80b5d3ede7e2daf3b6e [8829/9096] kunit: Add APIs for managing devices :::::: branch date: 12 hours ago :::::: commit date: 21 hours ago config: x86_64-randconfig-161-20231219 (https://download.01.org/0day-ci/archive/20231220/202312200124.CkSII1FB-lkp@intel.com/config) compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07) 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 | Reported-by: Dan Carpenter | Closes: https://lore.kernel.org/r/202312200124.CkSII1FB-lkp@intel.com/ smatch warnings: lib/kunit/device.c:138 kunit_device_register_with_driver() warn: passing zero to 'ERR_CAST' vim +/ERR_CAST +138 lib/kunit/device.c d03c720e03bd9b davidgow@google.com 2023-12-15 126 d03c720e03bd9b davidgow@google.com 2023-12-15 127 /** d03c720e03bd9b davidgow@google.com 2023-12-15 128 * Create and register a new KUnit-managed device, using the user-supplied device_driver. d03c720e03bd9b davidgow@google.com 2023-12-15 129 * On failure, returns an error pointer. d03c720e03bd9b davidgow@google.com 2023-12-15 130 */ d03c720e03bd9b davidgow@google.com 2023-12-15 131 struct device *kunit_device_register_with_driver(struct kunit *test, d03c720e03bd9b davidgow@google.com 2023-12-15 132 const char *name, d03c720e03bd9b davidgow@google.com 2023-12-15 133 const struct device_driver *drv) d03c720e03bd9b davidgow@google.com 2023-12-15 134 { d03c720e03bd9b davidgow@google.com 2023-12-15 135 struct kunit_device *kunit_dev = kunit_device_register_internal(test, name, drv); d03c720e03bd9b davidgow@google.com 2023-12-15 136 d03c720e03bd9b davidgow@google.com 2023-12-15 137 if (IS_ERR_OR_NULL(kunit_dev)) d03c720e03bd9b davidgow@google.com 2023-12-15 @138 return ERR_CAST(kunit_dev); d03c720e03bd9b davidgow@google.com 2023-12-15 139 d03c720e03bd9b davidgow@google.com 2023-12-15 140 return &kunit_dev->dev; d03c720e03bd9b davidgow@google.com 2023-12-15 141 } d03c720e03bd9b davidgow@google.com 2023-12-15 142 EXPORT_SYMBOL_GPL(kunit_device_register_with_driver); d03c720e03bd9b davidgow@google.com 2023-12-15 143 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki