Hi Philipp, 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-intel/for-linux-next drm-intel/for-linux-next-fixes drm-tip/drm-tip linus/master v6.7-rc1 next-20231116] [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/Philipp-Stanner/drm-ast-use-managed-devres-functions/20231104-022841 base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next patch link: https://lore.kernel.org/r/20231103182542.97589-2-pstanner%40redhat.com patch subject: [PATCH v2] drm/ast: use managed devres functions config: x86_64-randconfig-122-20231116 (https://download.01.org/0day-ci/archive/20231116/202311162100.DnPejGd3-lkp@xxxxxxxxx/config) compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231116/202311162100.DnPejGd3-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/202311162100.DnPejGd3-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> drivers/gpu/drm/ast/ast_main.c:447:48: sparse: sparse: Using plain integer as NULL pointer drivers/gpu/drm/ast/ast_main.c:466:56: sparse: sparse: Using plain integer as NULL pointer vim +447 drivers/gpu/drm/ast/ast_main.c 426 427 struct ast_device *ast_device_create(const struct drm_driver *drv, 428 struct pci_dev *pdev, 429 unsigned long flags) 430 { 431 struct drm_device *dev; 432 struct ast_device *ast; 433 bool need_post = false; 434 int ret = 0; 435 436 ast = devm_drm_dev_alloc(&pdev->dev, drv, struct ast_device, base); 437 if (IS_ERR(ast)) 438 return ast; 439 dev = &ast->base; 440 441 pci_set_drvdata(pdev, dev); 442 443 ret = drmm_mutex_init(dev, &ast->ioregs_lock); 444 if (ret) 445 return ERR_PTR(ret); 446 > 447 ret = pcim_iomap_regions(pdev, BIT(1), 0); -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
