Hi Pierre-Eric, kernel test robot noticed the following build warnings: [auto build test WARNING on drm-exynos/exynos-drm-next] [also build test WARNING on drm-intel/for-linux-next drm-intel/for-linux-next-fixes drm-misc/drm-misc-next drm-tip/drm-tip linus/master v6.11-rc7 next-20240913] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Pierre-Eric-Pelloux-Prayer/drm-use-drm_file-name-in-fdinfo/20240911-230058 base: https://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos.git exynos-drm-next patch link: https://lore.kernel.org/r/20240911145836.734080-1-pierre-eric.pelloux-prayer%40amd.com patch subject: [PATCH 1/3] drm: add DRM_SET_NAME ioctl config: x86_64-randconfig-121-20240913 (https://download.01.org/0day-ci/archive/20240914/202409140642.ZDKf0cja-lkp@xxxxxxxxx/config) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240914/202409140642.ZDKf0cja-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/202409140642.ZDKf0cja-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> drivers/gpu/drm/drm_ioctl.c:553:18: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *user_ptr @@ got void [noderef] __user * @@ drivers/gpu/drm/drm_ioctl.c:553:18: sparse: expected void *user_ptr drivers/gpu/drm/drm_ioctl.c:553:18: sparse: got void [noderef] __user * >> drivers/gpu/drm/drm_ioctl.c:555:36: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const [noderef] __user * @@ got void *user_ptr @@ drivers/gpu/drm/drm_ioctl.c:555:36: sparse: expected void const [noderef] __user * drivers/gpu/drm/drm_ioctl.c:555:36: sparse: got void *user_ptr vim +553 drivers/gpu/drm/drm_ioctl.c 542 543 static int drm_set_name(struct drm_device *dev, void *data, 544 struct drm_file *file_priv) 545 { 546 struct drm_set_name *name = data; 547 void *user_ptr; 548 char *new_name; 549 550 if (name->name_len >= NAME_MAX) 551 return -EINVAL; 552 > 553 user_ptr = u64_to_user_ptr(name->name); 554 > 555 new_name = memdup_user_nul(user_ptr, name->name_len); 556 557 if (IS_ERR(new_name)) 558 return PTR_ERR(new_name); 559 560 mutex_lock(&file_priv->name_lock); 561 if (file_priv->name) 562 kvfree(file_priv->name); 563 file_priv->name = new_name; 564 mutex_unlock(&file_priv->name_lock); 565 566 return 0; 567 } 568 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
