Hi Christian, kernel test robot noticed the following build warnings: [auto build test WARNING on drm-misc/drm-misc-next] [also build test WARNING on drm/drm-next drm-exynos/exynos-drm-next drm-intel/for-linux-next drm-intel/for-linux-next-fixes drm-tip/drm-tip linus/master v6.4-rc7 next-20230621] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Christian-K-nig/drm-add-drm_exec-selftests-v4/20230621-213827 base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next patch link: https://lore.kernel.org/r/20230621133700.7588-2-christian.koenig%40amd.com patch subject: [PATCH 2/2] drm: add drm_exec selftests v4 config: hexagon-randconfig-r015-20230621 (https://download.01.org/0day-ci/archive/20230622/202306220013.JRZDDrkO-lkp@xxxxxxxxx/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce: (https://download.01.org/0day-ci/archive/20230622/202306220013.JRZDDrkO-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202306220013.JRZDDrkO-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/gpu/drm/tests/drm_exec_test.c:134:2: warning: variable '__drm_exec_retry_ptr' set but not used [-Wunused-but-set-variable] 134 | drm_exec_until_all_locked(&exec) | ^ include/drm/drm_exec.h:78:13: note: expanded from macro 'drm_exec_until_all_locked' 78 | for (void *__drm_exec_retry_ptr; ({ \ | ^ 1 warning generated. vim +/__drm_exec_retry_ptr +134 drivers/gpu/drm/tests/drm_exec_test.c 121 122 static void test_prepare_array(struct kunit *test) 123 { 124 struct drm_gem_object gobj1 = { }; 125 struct drm_gem_object gobj2 = { }; 126 struct drm_gem_object *array[] = { &gobj1, &gobj2 }; 127 struct drm_exec exec; 128 int ret; 129 130 drm_gem_private_object_init(&dev, &gobj1, PAGE_SIZE); 131 drm_gem_private_object_init(&dev, &gobj2, PAGE_SIZE); 132 133 drm_exec_init(&exec, DRM_EXEC_INTERRUPTIBLE_WAIT); > 134 drm_exec_until_all_locked(&exec) 135 ret = drm_exec_prepare_array(&exec, array, ARRAY_SIZE(array), 136 1); 137 KUNIT_EXPECT_EQ(test, ret, 0); 138 drm_exec_fini(&exec); 139 } 140 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki