Hi Maxime, kernel test robot noticed the following build warnings:
[auto build test WARNING on c58c49dd89324b18a812762a2bfa5a0458e4f252] url: https://github.com/intel-lab-lkp/linux/commits/Maxime-Ripard/drm-tests-helpers-Switch-to-kunit-actions/20230720-191901 base: c58c49dd89324b18a812762a2bfa5a0458e4f252 patch link: https://lore.kernel.org/r/20230720-kms-kunit-actions-rework-v2-1-175017bd56ab%40kernel.org patch subject: [PATCH v2 01/11] drm/tests: helpers: Switch to kunit actions config: arm64-randconfig-r022-20230720 (https://download.01.org/0day-ci/archive/20230721/202307210148.7gwzlotn-...@intel.com/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce: (https://download.01.org/0day-ci/archive/20230721/202307210148.7gwzlotn-...@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 <l...@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202307210148.7gwzlotn-...@intel.com/ All warnings (new ones prefixed by >>): >> drivers/gpu/drm/tests/drm_kunit_helpers.c:53:6: warning: cast from 'void >> (*)(struct platform_driver *)' to 'kunit_action_t *' (aka 'void (*)(void >> *)') converts to incompatible function type [-Wcast-function-type-strict] 53 | (kunit_action_t *)platform_driver_unregister, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/gpu/drm/tests/drm_kunit_helpers.c:61:6: warning: cast from 'void >> (*)(struct platform_device *)' to 'kunit_action_t *' (aka 'void (*)(void >> *)') converts to incompatible function type [-Wcast-function-type-strict] 61 | (kunit_action_t *)platform_device_put, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/tests/drm_kunit_helpers.c:69:6: warning: cast from 'void (*)(struct platform_device *)' to 'kunit_action_t *' (aka 'void (*)(void *)') converts to incompatible function type [-Wcast-function-type-strict] 69 | (kunit_action_t *)platform_device_del, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/tests/drm_kunit_helpers.c:89:9: warning: cast from 'void (*)(struct platform_device *)' to 'kunit_action_t *' (aka 'void (*)(void *)') converts to incompatible function type [-Wcast-function-type-strict] 89 | (kunit_action_t *)platform_device_unregister, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/tests/drm_kunit_helpers.c:93:9: warning: cast from 'void (*)(struct platform_driver *)' to 'kunit_action_t *' (aka 'void (*)(void *)') converts to incompatible function type [-Wcast-function-type-strict] 93 | (kunit_action_t *)platform_driver_unregister, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 5 warnings generated. vim +53 drivers/gpu/drm/tests/drm_kunit_helpers.c 28 29 /** 30 * drm_kunit_helper_alloc_device - Allocate a mock device for a KUnit test 31 * @test: The test context object 32 * 33 * This allocates a fake struct &device to create a mock for a KUnit 34 * test. The device will also be bound to a fake driver. It will thus be 35 * able to leverage the usual infrastructure and most notably the 36 * device-managed resources just like a "real" device. 37 * 38 * Resources will be cleaned up automatically, but the removal can be 39 * forced using @drm_kunit_helper_free_device. 40 * 41 * Returns: 42 * A pointer to the new device, or an ERR_PTR() otherwise. 43 */ 44 struct device *drm_kunit_helper_alloc_device(struct kunit *test) 45 { 46 struct platform_device *pdev; 47 int ret; 48 49 ret = platform_driver_register(&fake_platform_driver); 50 KUNIT_ASSERT_EQ(test, ret, 0); 51 52 ret = kunit_add_action_or_reset(test, > 53 (kunit_action_t *)platform_driver_unregister, 54 &fake_platform_driver); 55 KUNIT_ASSERT_EQ(test, ret, 0); 56 57 pdev = platform_device_alloc(KUNIT_DEVICE_NAME, PLATFORM_DEVID_NONE); 58 KUNIT_ASSERT_NOT_ERR_OR_NULL(test, pdev); 59 60 ret = kunit_add_action_or_reset(test, > 61 (kunit_action_t *)platform_device_put, 62 pdev); 63 KUNIT_ASSERT_EQ(test, ret, 0); 64 65 ret = platform_device_add(pdev); 66 KUNIT_ASSERT_EQ(test, ret, 0); 67 68 ret = kunit_add_action_or_reset(test, 69 (kunit_action_t *)platform_device_del, 70 pdev); 71 KUNIT_ASSERT_EQ(test, ret, 0); 72 73 return &pdev->dev; 74 } 75 EXPORT_SYMBOL_GPL(drm_kunit_helper_alloc_device); 76 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
