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Message-ID: <202312052114.VQD1viY5-lkp@intel.com> Date: Tue, 5 Dec 2023 21:53:56 +0800 From: kernel test robot <lkp@...el.com> To: davidgow@...gle.com, Rae Moar <rmoar@...gle.com>, Brendan Higgins <brendan.higgins@...ux.dev>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Matti Vaittinen <matti.vaittinen@...rohmeurope.com>, Matti Vaittinen <mazziesaccount@...il.com>, Stephen Boyd <sboyd@...nel.org>, Shuah Khan <skhan@...uxfoundation.org>, Jonathan Corbet <corbet@....net>, Kees Cook <keescook@...omium.org>, Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>, Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>, Maxime Ripard <mripard@...nel.org> Cc: oe-kbuild-all@...ts.linux.dev, linux-kselftest@...r.kernel.org, kunit-dev@...glegroups.com, linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org, linux-sound@...r.kernel.org, David Gow <davidgow@...gle.com> Subject: Re: [PATCH 1/4] kunit: Add APIs for managing devices Hi, kernel test robot noticed the following build warnings: [auto build test WARNING on c8613be119892ccceffbc550b9b9d7d68b995c9e] url: https://github.com/intel-lab-lkp/linux/commits/davidgow-google-com/kunit-Add-APIs-for-managing-devices/20231205-153349 base: c8613be119892ccceffbc550b9b9d7d68b995c9e patch link: https://lore.kernel.org/r/20231205-kunit_bus-v1-1-635036d3bc13%40google.com patch subject: [PATCH 1/4] kunit: Add APIs for managing devices config: powerpc-randconfig-r081-20231205 (https://download.01.org/0day-ci/archive/20231205/202312052114.VQD1viY5-lkp@intel.com/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231205/202312052114.VQD1viY5-lkp@intel.com/reproduce) 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@...el.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202312052114.VQD1viY5-lkp@intel.com/ All warnings (new ones prefixed by >>): >> lib/kunit/device.c:100:22: warning: no previous prototype for function '__kunit_device_register_internal' [-Wmissing-prototypes] 100 | struct kunit_device *__kunit_device_register_internal(struct kunit *test, | ^ lib/kunit/device.c:100:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 100 | struct kunit_device *__kunit_device_register_internal(struct kunit *test, | ^ | static 1 warning generated. vim +/__kunit_device_register_internal +100 lib/kunit/device.c 99 > 100 struct kunit_device *__kunit_device_register_internal(struct kunit *test, 101 const char *name, 102 struct device_driver *drv) 103 { 104 struct kunit_device *kunit_dev; 105 int err = -ENOMEM; 106 107 kunit_dev = kzalloc(sizeof(struct kunit_device), GFP_KERNEL); 108 if (!kunit_dev) 109 return ERR_PTR(err); 110 111 kunit_dev->owner = test; 112 113 err = dev_set_name(&kunit_dev->dev, "%s.%s", test->name, name); 114 if (err) { 115 kfree(kunit_dev); 116 return ERR_PTR(err); 117 } 118 119 /* Set the expected driver pointer, so we match. */ 120 kunit_dev->driver = drv; 121 122 kunit_dev->dev.release = kunit_device_release; 123 kunit_dev->dev.bus = &kunit_bus_type; 124 kunit_dev->dev.parent = &kunit_bus; 125 126 err = device_register(&kunit_dev->dev); 127 if (err) { 128 put_device(&kunit_dev->dev); 129 return ERR_PTR(err); 130 } 131 132 kunit_add_action(test, device_unregister_wrapper, &kunit_dev->dev); 133 134 return kunit_dev; 135 } 136 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
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