Hi Daniel, I love your patch! Perhaps something to improve: [auto build test WARNING on drm-tip/drm-tip] [also build test WARNING on drm-intel/for-linux-next drm-exynos/exynos-drm-next tegra-drm/drm/tegra/for-next linus/master v5.14-rc3 next-20210729] [cannot apply to drm/drm-next] [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] url: https://github.com/0day-ci/linux/commits/Daniel-Vetter/drm-Fix-oops-in-damage-self-tests-by-mocking-damage-property/20210730-175415 base: git://anongit.freedesktop.org/drm/drm-tip drm-tip config: i386-randconfig-s001-20210730 (attached as .config) compiler: gcc-10 (Ubuntu 10.3.0-1ubuntu1~20.04) 10.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.3-341-g8af24329-dirty # https://github.com/0day-ci/linux/commit/cfe1add77c3c78aec60eb1645950c6aa2daf8b4d git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Daniel-Vetter/drm-Fix-oops-in-damage-self-tests-by-mocking-damage-property/20210730-175415 git checkout cfe1add77c3c78aec60eb1645950c6aa2daf8b4d # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash drivers/gpu/drm/selftests/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) >> drivers/gpu/drm/selftests/test-drm_damage_helper.c:15:19: sparse: sparse: symbol 'mock_device' was not declared. Should it be static? >> drivers/gpu/drm/selftests/test-drm_damage_helper.c:16:30: sparse: sparse: symbol 'mock_obj_props' was not declared. Should it be static? >> drivers/gpu/drm/selftests/test-drm_damage_helper.c:17:18: sparse: sparse: symbol 'mock_plane' was not declared. Should it be static? >> drivers/gpu/drm/selftests/test-drm_damage_helper.c:18:21: sparse: sparse: symbol 'mock_prop' was not declared. Should it be static? drivers/gpu/drm/selftests/test-drm_damage_helper.c:101:30: sparse: sparse: symbol 'fb' was not declared. Should it be static? drivers/gpu/drm/selftests/test-drm_damage_helper.c:259:23: sparse: sparse: Using plain integer as NULL pointer Please review and possibly fold the followup patch. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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